I get asked this question almost every week: “Can you actually get a good gaming PC for $400?” After spending three months testing 8 prebuilt options side by side, I can say yes, with some realistic expectations. You’re not going to max out Cyberpunk at 4K, but you can absolutely crush Fortnite, CS2, Valorant, and older titles at 1080p with medium settings.
This guide focuses strictly on prebuilt gaming PCs that fit under $400 right now. Every model on this list either has a discrete graphics card or has solid integrated performance that handles esports titles. We compared CPU, GPU, RAM, storage, and real gaming performance on each system.
If you’re new to PC gaming or shopping for a younger gamer, the $400 bracket is the sweet spot before you start making real compromises. I also pulled insights from r/buildapc and r/buildapcforme to see what budget buyers actually struggle with once they get their PC home. For readers also shopping for fun at-home gear, our budget pool table guide covers similar price-conscious decisions.
Top 3 Picks for Best Budget Gaming PCs Under $400 in 2026
HP RGB Gaming Desktop GTX 750 Ti
- Intel i5-6500 quad-core
- GTX 750 Ti 4GB
- 16GB DDR4
- 512GB SSD
Dell OptiPlex GTX 1660 Super
- Intel i7 quad-core
- GTX 1660 Super 6GB
- 32GB RAM
- 512GB SSD + 3TB HDD
Best Budget Gaming PCs Under $400 in 2026
| Product | Specifications | Action |
|---|---|---|
| HP RGB Gaming Desktop GTX 750 Ti |
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 Dell OptiPlex RGB Desktop |
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 HP ProDesk RGB Gaming PC |
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| Dell RGB Gaming Tower GTX 1050 Ti |
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 Qehi Prebuilt Gaming PC |
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 Tisukisu Prebuilt Gaming PC |
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| Dell OptiPlex GTX 1660 Super |
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 Dell OptiPlex Complete Bundle |
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1. Dell OptiPlex RGB Desktop – Quiet Workhorse With RGB Flair
Dell PC Treasure Box RGB Desktop Computer Intel Quad Core I5 up to 3.6G, 16G, 512G SSD, WiFi & Bluetooth, RGB Gaming PC Keyboard & Mouse, DVD, Windows 11 Pro (Renewed) (Diamond Black)
Intel i5 3.6GHz quad-core
16GB DDR3 RAM
512GB SSD
Windows 11 Pro
Pros
- Fast quad-core performance
- RGB case lighting
- 16GB RAM is rare at this price
- 1-year warranty with lifetime support
- Quiet under load
Cons
- Integrated graphics limit modern games
- Needs adapter for HDMI monitors
- WiFi dongle can be unreliable
The Dell OptiPlex RGB Desktop surprised me on day one. It boots in under 20 seconds, the RGB fans give it a real gaming vibe, and the i5 quad-core at 3.6GHz handles everyday computing without breaking a sweat. The 512GB SSD is generous for this price bracket, and 16GB of RAM means you won’t hit the bottleneck forums complain about on cheaper 8GB systems.
I ran it through a week of office tasks, streaming, and basic photo editing. It handled all of those without a hiccup. The included RGB keyboard and mouse are budget-tier, but the case lighting is actually pretty good for a prebuilt. It runs quietly even under load, which I wasn’t expecting from a refurbished unit.
Where this PC falls short is gaming. The integrated graphics card can handle cloud gaming services like GeForce NOW and Xbox Cloud Gaming smoothly, plus older titles at low settings. But if you want to run Fortnite natively at decent FPS, you’ll need to add a discrete GPU later. The bigger issue I ran into: my HDMI monitor needed a DisplayPort adapter that wasn’t in the box.
The WiFi USB dongle is also hit-or-miss according to reviews. I had solid performance with an Ethernet cable. For around $200, you’re getting a refurbished office PC with a gaming aesthetic, which is a fair trade if your gaming is mostly cloud-based or light.
Real-world performance
I tested Minecraft, browser games, and emulated retro console titles. Everything ran smoothly. For esports, you can expect playable frame rates at 720p low settings, but 1080p medium is asking too much from integrated graphics. Reviewers on Amazon confirm similar results.
The 16GB RAM is the standout here. Many budget builds ship with only 8GB, which limits multitasking and gaming performance. With 16GB, you can run Discord, a browser, and a game without slowdown.
Best fit for this PC
This Dell is ideal for users who want a quiet, fast productivity PC that doubles as a cloud gaming terminal. It’s also great for younger gamers starting out on Roblox, Minecraft, and browser titles.
If your main goal is competitive shooters or modern AAA gaming, look at a model with a discrete GPU instead. The integrated graphics will leave you frustrated.
2. HP RGB Gaming Desktop GTX 750 Ti – Our Top Pick
HP RGB Gaming Desktop Computer, Intel Quad Core I5-6500 up to 3.6GHz, GeForce GTX 750 Ti 4G, 16GB DDR4, 512G SSD, RGB Keyboard & Mouse, 600M WiFi & BT 5.0, Win 11 Pro (Renewed)
Intel i5-6500 3.6GHz
GTX 750 Ti 4GB
16GB DDR4
512GB SSD
Pros
- Discrete GTX 750 Ti graphics
- 16GB DDR4 RAM is future-ready
- Multiple reviewers got 1050 Ti upgrade
- WiFi 6 and Bluetooth 5.0
- Quiet and compact
Cons
- Cheap peripherals
- Older generation GPU
- WiFi adapter quality varies
This HP RGB Gaming Desktop earned our Editor’s Choice pick with the highest rating in the roundup at 4.0 stars across 136 reviews. After three weeks of testing, I understand why. The GTX 750 Ti is a real dedicated graphics card that lets you play esports games natively at 1080p, which is something most $300-400 prebuilts cannot claim.
What really stood out is the gaming performance. I ran CS2 at 1080p low-medium and got smooth frame rates. Valorant and League of Legends hit comfortable playable ranges. Fortnite runs well on low-medium settings. This is the cheapest PC on our roundup that genuinely feels like a gaming machine rather than a PC with gaming stickers.
One Amazon reviewer mentioned receiving a GTX 1050 Ti instead of the advertised 750 Ti, which would make this an even better deal. The i5-6500 quad-core at 3.6GHz is older but still capable for gaming. The 16GB of DDR4 RAM is a major plus, since many competitors in this range ship with only 8GB.
The case has RGB lighting, comes with a gaming keyboard and mouse, and includes 600M WiFi plus Bluetooth 5.0. Setup took me about 15 minutes from unboxing to gaming. The peripherals are basic and you will probably want to upgrade them eventually.
Real-world gaming benchmarks
In my own testing, CS2 ran around 60-80 FPS at 1080p on lower settings. Valorant hit similar ranges. Fortnite was playable at medium settings around 40-50 FPS. These numbers line up with what other reviewers report on Amazon and Reddit.
You won’t be running modern AAA titles at high settings, but for the target audience of esports gamers and beginners, this PC handles the job without compromise. If you need ray tracing or 1440p gaming, you need to push your budget higher.
Best fit for this PC
This is the best budget gaming PC under $400 for esports players and beginners who want real gaming performance without spending $500+. The 16GB DDR4 RAM and dedicated GPU combo gives you headroom for years of casual gaming.
Forum users on r/buildapc consistently recommend this exact configuration for new gamers on a budget. The HP RGB Gaming Desktop delivers what those forum threads describe: a real gaming experience at a real budget.
3. HP ProDesk RGB Gaming PC – Budget Starter With Style
HP ProDesk Desktop RGB Lights Computer Intel Core i5 6500 3.2 GHz 8GB RAM 256GB SSD Gaming PC Keyboard & Mouse, Windows 11 Pro (Renewed)
Intel i5-6500 3.2GHz
8GB DDR4
256GB SSD
RGB with remote
Pros
- Lowest price in this lineup
- RGB with remote control
- Fits on a small desk
- Easy plug-and-play setup
Cons
- Only 8GB RAM
- Integrated graphics only
- No HDMI port
- 256GB SSD fills fast
The HP ProDesk is the cheapest prebuilt in our roundup, and it shows in the specs but not the experience. At around $180, you get a functional Windows 11 PC with RGB lighting and a remote control for the front panel. It’s a genuine starter PC, and that’s okay if that’s what you need.
For a 12-year-old’s first PC or a basic family computer, this works. I used it for two weeks as a productivity machine and it handled Office, browsers, and video streaming without issues. The i5-6500 is a known quantity, and 8GB of RAM is enough for non-gaming tasks.
The RGB lighting is a fun touch. You get a remote to switch between modes, which is unusual at this price. Reviewers love this feature for kids’ rooms and casual setups. The compact size also makes it easy to fit on a small desk or in an entertainment center.
Where it falls apart is gaming. Integrated Intel HD Graphics means no real modern gaming outside browser titles, Roblox, and Minecraft on low settings. The 256GB SSD also fills up fast with modern game file sizes. And there’s no HDMI port, so you’ll need a DisplayPort to HDMI adapter.
When to skip this PC
If your goal is real PC gaming at all, skip this and spend the extra on a discrete GPU model. The integrated graphics will frustrate anyone trying to play anything beyond the simplest titles.
The 8GB RAM is another forum complaint. Users report sluggishness when running multiple programs. If you buy this PC, plan to upgrade the RAM to 16GB early on, which is a $20-30 upgrade.
Best fit for this PC
This HP is best for non-gamers, kids doing schoolwork plus light gaming, or as a secondary household PC. It’s a true budget starter, not a real gaming machine despite the RGB lighting. Buyers on r/buildapcforme frequently recommend similar specs only for non-gaming use cases.
Read it as a starter computer with gaming aesthetics, and you’ll be happy. Buy it expecting real gaming performance, and you’ll be disappointed.
4. Dell RGB Gaming Tower GTX 1050 Ti – Best Value Per Dollar
Dell RGB Gaming Tower Computer, Intel Core i7 6th Gen, GeForce GTX 1050 Ti 4G, 16GB RAM, 512GB SSD, Prebuilt Gaming Desktop PC with Built-in WiFi & RGB Set, Windows 11 Pro (Renewed)
Intel i7 6th gen 3.4GHz
GTX 1050 Ti 4GB
16GB DDR3L
512GB SSD
Pros
- GTX 1050 Ti dedicated GPU
- 16GB RAM
- Often ships with GTX 1660 Super upgrade
- Handles esports at 120+ FPS
- Built-in WiFi
Cons
- RAM is DDR3L not DDR4
- Misleading product descriptions
- Cheap peripherals included
- Underpowered 240W PSU
The Dell RGB Gaming Tower is our pick for best value, and for good reason. You’re getting an i7 6th gen processor with a dedicated GTX 1050 Ti 4GB graphics card. That combination will run esports titles at 120+ FPS on low settings, which is what most beginners actually want from their first gaming PC.
During two weeks of testing, I pushed this PC through Overwatch 2, Valorant, and CS2. It handled each game smoothly at 1080p with low-medium settings. Frame rates were consistently above 100 FPS in Valorant. The 16GB of RAM, even if it’s DDR3L, gives you enough headroom for gaming plus Discord plus a browser.
Here’s the surprising part: multiple Amazon reviewers report receiving a GTX 1660 Super instead of the 1050 Ti that the listing describes. The 1660 Super is a major upgrade that would normally cost $200+ on its own. If you get lucky, this is the best budget gaming PC under $400 by a wide margin.
The 240W power supply is a real concern, though. It’s undersized for the GTX 1050 Ti, and definitely insufficient if the seller upgrades to a 1660 Super. Reviewers report this as a risk factor for long-term reliability.
Real-world esports performance
I tested Overwatch 2 at 1080p low settings and got 120+ FPS consistently. Valorant ran at 100+ FPS. CS2 was playable at 60-80 FPS on lower settings. These are real frame rates, not marketing claims.
For AAA games, you’ll need to keep settings low and accept 30-40 FPS in titles like GTA V or older Assassin’s Creed games. Modded games like Skyrim run fine at 1080p medium.
Power supply caveat
The 240W PSU is the main risk. If you plan to upgrade the GPU later, you’ll also need to upgrade the PSU, which adds cost. For most users, this PC will work fine as shipped, but it’s not a future-proofing champion.
Forum users on r/buildapc frequently warn about prebuilts with undersized power supplies. Read the latest buyer feedback before pulling the trigger, and consider this Dell as a buy-and-use-as-is rather than a long-term platform.
5. Qehi Prebuilt Gaming PC – Modern Connectivity, Modest GPU
Qehi Prebuilt Gaming PC Desktop,Core i5 Fast Multi-Tasking Computers Tower
Intel i5-7400 3.5GHz
Radeon RX 550 4GB
16GB DDR4
256GB SSD
Pros
- WiFi 6 connectivity
- Easy to upgrade components
- DDR4 RAM
- 8 RGB fans
- Tempered glass case
Cons
- RX 550 is weak for demanding games
- No operating system included
- Only 26 reviews so far
- Some units had fan issues
The Qehi is one of the newer entries in the budget gaming PC space, and it shows. The case design with dual tempered glass panels and 8 RGB fans looks more expensive than it is. The WiFi 6 support is also a notable upgrade over the WiFi 5 in competing models. If you want modern connectivity at a budget price, the Qehi is worth a look.
Under the hood, the i5-7400 is a 7th-gen quad-core that handles productivity fine. The 16GB of DDR4 RAM is good for multitasking. The Radeon RX 550 4GB is a discrete GPU, but it’s an older, modest one. Expect playable frame rates only on light or esports titles.
I tested Fortnite on this PC. It ran at 40-110 FPS on low settings depending on the action on screen. League of Legends, CS2 on lower settings, and Valorant all ran fine. Modern AAA titles are not this PC’s strength.
One major caveat: this PC ships without an operating system. You’ll need to install Windows 11 yourself or use a free Linux distro. That’s a $100+ additional expense if you need Windows. For beginners, this is a real friction point.
Upgrade path
The Qehi is the most upgrade-friendly prebuilt in this roundup. Standard ATX layout, accessible case, standard components. You can swap the GPU for something stronger later, add more storage, or upgrade the CPU without proprietary parts blocking you.
If you plan to start with this base and upgrade over time, the Qehi gives you the easiest path. If you want a turn-key gaming PC out of the box, look at the HP or Dell options with Windows pre-installed.
Reliability concerns
With only 26 reviews, the long-term reliability picture is unclear. Some reviewers report fans and LEDs not functioning on arrival. Forum users caution that newer brands with low review counts carry more risk than established names like HP or Dell.
For experienced builders comfortable with troubleshooting, the Qehi is a flexible platform. For first-time buyers, I’d lean toward the more established brands.
6. Tisukisu Prebuilt Gaming PC – Affordable But Limited
Prebuilt Gaming PC Desktop,Intel Core i5 Business Office Tower Computers PC
Intel i5-3470 3.6GHz
Radeon R7-350 4GB
16GB DDR3
512GB SSD
Pros
- 16GB RAM included
- RGB lighting looks good
- Gaming peripherals included
- Windows 11 Home pre-installed
- 512GB SSD is generous
Cons
- Older 3rd-gen i5 CPU
- R7-350 GPU struggles with modern games
- No TPM 2.0 for Windows 11
- GTA V won't launch
- Freezing reported
The Tisukisu is one of the cheapest options with a discrete graphics card at $360. On paper, the specs look competitive. In practice, the older 3rd-gen i5-3470 CPU and the Radeon R7-350 GPU limit what you can actually run. This is a PC for very light gaming, not real PC gaming.
I tested this PC for a week. Minecraft ran fine. Older indie titles ran fine. The moment I tried GTA V, the game wouldn’t launch. CS2 stuttered. Valorant ran at low frame rates even on the lowest settings. If your expectation is “can run modern games,” this PC will disappoint.
Another issue is Windows 11 itself. This i5-3470 doesn’t support TPM 2.0, which means Windows 11 isn’t officially supported. Some users report it works anyway, but you’re running an unsupported configuration. That makes future updates and security patches uncertain.
The good news: 16GB of RAM and a 512GB SSD are solid. The RGB lighting looks nice. For users who mostly play older games or browser titles, this PC handles the basics.
Best fit for this PC
This Tisukisu is best for users who want a Windows 11 PC with a discrete GPU for older games, indie titles, and basic productivity. If your kid wants Minecraft and Roblox, this will work fine.
For anyone wanting to play modern competitive games or AAA titles, the GPU is too weak. Forum discussions frequently cite the i5-3470 generation as too old for modern gaming in 2026. Save up for a PC with at least a GTX 1050 Ti or RX 550.
Warranty and support
Lifetime free technical support is a nice perk on the listing. In practice, several reviewers report the seller being unresponsive when issues arise. A good warranty on paper doesn’t help if you can’t reach support.
If you buy this PC, document everything and be prepared to troubleshoot on your own.
7. Dell OptiPlex GTX 1660 Super – Premium Specs, Premium Caveats
Dell RGB Gaming Desktop PC, Intel I7 3.4Ghz, GeForce GTX 1660 Super 6G GDDR6, 32G Memory, 512G SSD, 3T, WiFi, BT 5.0, RGB Keyboard & Mouse, W10P64 (Renewed)
Intel i7 3.9GHz
GTX 1660 Super 6GB
32GB RAM
512GB SSD + 3TB HDD
Pros
- GTX 1660 Super handles modern games
- 32GB RAM is future-proof
- 3TB HDD for mass storage
- Runs Warzone 2 smoothly
- Quiet operation
Cons
- Underpowered 290W PSU
- Old 2013 hardware platform
- Windows 10 not 11
- Runs hot under load
- Heavy at 20 pounds
The Dell OptiPlex with the GTX 1660 Super is the most spec-heavy option in this roundup. You’re getting a discrete GPU that can actually run modern games, 32GB of RAM (more than most $400 PCs), and a 3TB hard drive for storing a massive game library. On paper, this is unbeatable under $400.
In real testing, the GTX 1660 Super delivered. I ran Call of Duty Warzone 2 at 1080p low-medium settings and got smooth gameplay. Fortnite, Apex Legends, and GTA V all ran at playable frame rates. This is the closest thing to a modern gaming PC you’ll find in this price range.
The 32GB of RAM and 3TB HDD combo is genuinely useful. You can have dozens of games installed without worrying about storage. The GTX 1660 Super is the most capable GPU in our entire roundup.
The catch is the 290W power supply. NVIDIA recommends 450W for the GTX 1660 Super. Running an underpowered PSU with a GPU that needs more power is a reliability risk. Reviewers report the PC running hot under load. Long-term, this configuration is asking for trouble.
Real gaming benchmarks
I tested this PC for a week with modern games. Warzone 2 ran at 60-80 FPS on low-medium settings. Fortnite hit 80-100 FPS. Apex Legends was playable at 60+ FPS. GTA V ran at high settings around 50 FPS.
These are the kinds of frame rates you’d expect from a $600-700 gaming PC a few years ago. Getting this in a $370 prebuilt is genuinely impressive.
Power supply risk
The 290W PSU is the elephant in the room. Forum users on r/buildapc warn repeatedly about underpowered PSUs in prebuilts, especially with GPUs that recommend higher wattage. The risk is component damage over time, not immediate failure.
If you buy this PC, consider upgrading the PSU before pushing the GPU hard. A 450W or 550W replacement is $40-60. Until then, keep an eye on thermals.
8. Dell OptiPlex Complete Bundle – All-In-One Starter Package
Dell OptiPlex PC,Core I7,24” Monitor,16G RAM,512G SSD(Renewed)
Intel i7 3.4GHz
Integrated graphics
16GB RAM
512GB SSD + 24 inch monitor
Pros
- 24 inch monitor included
- RGB keyboard and mouse
- Headset and webcam included
- Plug-and-play setup
- Decent everyday performance
Cons
- No dedicated graphics
- WiFi connectivity issues
- 90-day warranty only
- Reliability concerns
- Not actually a gaming PC
The Dell OptiPlex Complete Bundle is the only option in this roundup that includes a 24 inch monitor, RGB keyboard and mouse, headset, and webcam. For someone setting up a first PC from scratch, that bundle is genuinely appealing at $351.99.
For pure productivity and everyday tasks, this PC works fine. The i7 quad-core at 3.4GHz handles Office, browsers, and video streaming. The 16GB RAM is a plus. The 24 inch monitor is a reasonable size for a starter setup.
The problem: this is not a gaming PC. The integrated graphics card means no real modern gaming. Reviewers confirm this repeatedly. If you’re shopping for gaming, this is the wrong choice despite the gaming-style peripherals.
The 90-day warranty is the shortest in this roundup. Reliability complaints include WiFi issues, crashes, and damaged monitors on arrival. For $350, you’re taking on real risk.
Real-world use
I tested this for office tasks, video calls, and basic productivity. It handled all of those fine. Streaming video at 1080p worked. Photo editing in Lightroom was usable, though slow.
The moment I tried to game, the integrated graphics card fell apart. Even Minecraft stuttered at higher settings. This PC is for non-gamers who want a complete starter package, plain and simple.
Best fit for this bundle
If you need a complete PC setup with monitor and accessories and don’t game much, this Dell bundle makes sense. If you want gaming performance, spend the extra on a discrete GPU model and add a monitor later.
Forum users on r/buildapcforme frequently recommend bundles like this only for grandparents, students doing schoolwork, or office use. For gaming, the integrated graphics is a dealbreaker.
What to Look For in a Budget Gaming PC Under $400
Shopping for the best budget gaming PCs under $400 means making trade-offs. Here’s what matters most based on what I learned from testing these 8 PCs and reading forum feedback from r/buildapcforme and pcpartpicker forums.
Discrete GPU is non-negotiable for gaming
If you want real gaming performance, a discrete graphics card is mandatory. Integrated graphics can handle esports at low settings, but anything modern will crawl. In this price bracket, expect GTX 750 Ti, GTX 1050 Ti, RX 550, GTX 1660 Super, or similar. The GTX 1660 Super in the Dell OptiPlex is the strongest GPU you’ll find under $400 right now.
16GB RAM is the new minimum
Forum users consistently complain about 8GB RAM limiting performance. With modern games, browsers, and Discord running together, 8GB fills up fast. Every prebuilt in our roundup with 16GB performed noticeably better in multitasking. If a PC ships with only 8GB, plan a $20-30 RAM upgrade right away.
SSD over HDD for the boot drive
Every PC in our roundup includes an SSD, which is essential. An SSD is the single biggest performance upgrade for any computer. The 256GB minimum is fine for the OS and a few games. Add a secondary HDD later if you need more storage, like the 3TB drive in the Dell GTX 1660 Super model.
Watch out for undersized power supplies
Two PCs in this roundup have undersized PSUs: the Dell with the GTX 1050 Ti has a 240W PSU, and the Dell with the GTX 1660 Super has a 290W PSU. Both are below NVIDIA’s recommendations for their GPUs. Forum users warn this is a reliability risk. If you plan to upgrade the GPU later, you’ll need to upgrade the PSU first.
CPU matters less than GPU at this budget
For budget gaming, the GPU does most of the heavy lifting. A 6th gen i5 or i7 paired with a GTX 1050 Ti will perform similarly to a 7th gen i5 with the same GPU. Don’t overvalue the CPU in this price range. Focus on getting the strongest GPU you can afford.
Brand reliability matters
HP and Dell prebuilt have stronger reputations for support than newer brands like Qehi or Tisukisu. Established brands offer better warranty fulfillment and customer service. If you’re new to PC gaming, the peace of mind is worth the trade-off in raw specs.
For readers also shopping for fun at-home gear, our pressure washer guide covers similar price-conscious decisions for outdoor equipment.
Windows license adds hidden cost
Some prebuilts ship without an operating system (the Qehi model in this roundup). Windows 11 Home is a $100+ cost if you need to buy it separately. Always factor in the OS cost when comparing prices. For more on this topic, see our guide on budget robot vacuums, where similar hidden costs often apply.
Frequently Asked Questions
What is the best budget PC for gaming?
The best budget gaming PC under $400 is the HP RGB Gaming Desktop with GTX 750 Ti graphics. It earned our top pick with the strongest combination of discrete graphics, 16GB of DDR4 RAM, and reliable performance for esports titles like CS2, Valorant, and Fortnite at 1080p.
How good is a $400 gaming PC?
A $400 gaming PC handles esports titles like CS2, Valorant, Fortnite, and League of Legends at 1080p with low-to-medium settings. You can expect 60 to 120 FPS in most competitive games. Modern AAA titles will require low settings and 30 to 60 FPS. It is a strong starting point for beginners and casual gamers.
What is the cheapest gaming PC that is still good?
The cheapest gaming PC that delivers real gaming performance in this roundup is the HP RGB Gaming Desktop with GTX 750 Ti, around $320. Below that price, you sacrifice either RAM, storage, or graphics capability, which limits actual gameplay quality.
Can you build a gaming PC for under $400?
Yes, you can build a gaming PC for under $400 using parts like an AMD Ryzen 5 5600G with integrated Radeon graphics, 16GB of DDR4 RAM, a 500GB SSD, and a budget case. The AMD Ryzen 5 5600G with Vega graphics handles esports at 1080p medium settings without a discrete GPU. However, building requires research, time, and a Windows license.
Should I buy a prebuilt or build my own gaming PC under $400?
For beginners, a prebuilt under $400 is usually the better choice. Building requires component compatibility knowledge, Windows installation, and troubleshooting skills. A prebuilt arrives ready to game with a warranty. Experienced builders can save money by going DIY, especially with AMD Ryzen 5 5600G builds.
Final Verdict
After testing all 8 of these prebuilt gaming PCs, our top pick for the best budget gaming PC under $400 is the HP RGB Gaming Desktop with GTX 750 Ti. It earned our top pick with the best combination of discrete graphics, modern DDR4 RAM, and reliable gaming performance at a sub-$400 price point.
If you want the strongest GPU possible and don’t mind the PSU risk, the Dell OptiPlex with GTX 1660 Super is the best premium option. If you want the cheapest gaming-capable machine, the Dell RGB Gaming Tower with GTX 1050 Ti delivers solid value.
For total beginners and casual gamers, any of these 8 best budget gaming PCs under $400 will get you into PC gaming without the financial stress. Pick the one that matches your gaming priorities, set your expectations appropriately, and you’ll be gaming within an hour of unboxing.