Buying Guide
The Best GPU for Gaming
From the RTX 4080 Super Founders Edition to the ASUS TUF RTX 5090: five graphics cards ranked on video memory and GPU, with who should skip each one.
By The PC Journal editorial team
12 min read5 products evaluated
For gaming, the GPU is the part to spend on first. This set runs from the high end down.
Our comparison rests on published figures for GPU, VRAM and memory; nothing here was tested in-house, and where a maker leaves out boost clock, we say so.
Quick Picks
Our 5 recommendations at a glance. Tap a pick for the full verdict.
Largest Video Memory
ASUS TUF Gaming GeForce RTX 5090
The largest video memory here (32GB).
Best for: Buyers who put video memory first.
Our take Check price for ASUS TUF Gaming GeForce RTX 5090 (opens in a new tab)
Also Consider
ASUS ROG Strix GeForce RTX 4090 OC Edition
A vapor chamber with a milled heatspreader.
Best for: Buyers who want vapor chamber with a milled heatspreader.
Our take Check price for ASUS ROG Strix GeForce RTX 4090 OC Edition (opens in a new tab)
Strong Alternative
MSI GeForce RTX 4090 Gaming X Trio 24G
A TRI FROZR 3 cooler with a copper baseplate.
Best for: Buyers who want TRI FROZR 3 cooler with a copper baseplate.
Our take Check price for MSI GeForce RTX 4090 Gaming X Trio 24G (opens in a new tab)
Worth a Look
NVIDIA GeForce RTX 4080 Super Founders Edition
NVIDIA's own Founders Edition design.
Best for: Buyers who want NVIDIA's own Founders Edition design.
Our take Check price for NVIDIA GeForce RTX 4080 Super Founders Edition (opens in a new tab)
Solid Runner-Up
ASUS ROG Astral GeForce RTX 5080 16GB OC Edition
Four Axial-tech fans.
Best for: Buyers who want four Axial-tech fans.
Our take Check price for ASUS ROG Astral GeForce RTX 5080 16GB OC Edition (opens in a new tab)
Our Picks
Largest Video Memory1 of 5
ASUS TUF Gaming GeForce RTX 5090 on Amazon (opens in a new tab)
The ASUS TUF RTX 5090 is in a class of its own with 32GB of GDDR7 and 21,760 CUDA cores.
Best for
- Buyers who put video memory first.
Skip if
- Skip it if price comes first: the RTX 4080 Super Founders Edition cost less when we checked.
Why we like it
At the time of writing it cost several times more than the other cards here, so it only makes sense when nothing slower will do. Its 32GB video memory is the largest here; the ROG Strix 4090 comes next at 24GB. An RTX 5090 gpu is unique to it among these picks, while the MSI 4090 Gaming X Trio uses an RTX 4090 gpu.
Like the ROG Astral 5080, it has GDDR7 memory, while the MSI 4090 Gaming X Trio uses GDDR6X memory. It also offers a 512-bit memory bus at 28Gbps and a GPU holder in the box. No dimensions are published for the ASUS TUF RTX 5090; get length and thickness from the maker's page first. Only the ROG Strix 4090 came close to it on price at the time of writing; it cost the most of the 5 picks.
Key dimensions & specs
- GPU: RTX 5090
- VRAM: 32GB
- Memory: GDDR7
- Outputs: 3 x DisplayPort 2.1b, 2 x HDMI 2.1b
Pros
- 32GB of VRAM, room for large local AI models as well as games
- Faster GDDR7 memory
- 512-bit memory bus at 28Gbps
- 21,760 CUDA cores
Cons
- Costs more than the RTX 4080 Super Founders Edition at the time of writing
Also Consider2 of 5
ASUS ROG Strix GeForce RTX 4090 OC Edition on Amazon (opens in a new tab)
ASUS's ROG Strix 4090 uses a vapor chamber with a milled heatspreader and enlarged Axial-tech fans.
Best for
- Buyers who want vapor chamber with a milled heatspreader.
Skip if
- Price-first buyers should look at the RTX 4080 Super Founders Edition, which cost less when we checked.
Why we like it
It is the most premium of the RTX 4090 listings here, and it was also the priciest at the time of writing. On video memory it ties with the MSI 4090 Gaming X Trio at 24GB. It shares an RTX 4090 gpu with the MSI 4090 Gaming X Trio; the ROG Astral 5080 goes with an RTX 5080 gpu.
Like the MSI 4090 Gaming X Trio and RTX 4080 Super Founders Edition, it has GDDR6X memory, while the ASUS TUF RTX 5090 uses GDDR7 memory. No dimensions are published for the ROG Strix 4090; get length and thickness from the maker's page first. Its power connector and recommended PSU are not published, so confirm both for the ROG Strix 4090 with the maker.
Key dimensions & specs
- GPU: RTX 4090
- VRAM: 24GB
- Memory: GDDR6X
Pros
- 24GB of VRAM, room for large local AI models as well as games
- Vapor chamber with a milled heatspreader
- Axial-tech fans scaled up for more airflow
Cons
- Costs more than the RTX 4080 Super Founders Edition at the time of writing
Strong Alternative3 of 5
MSI GeForce RTX 4090 Gaming X Trio 24G on Amazon (opens in a new tab)
The Gaming X Trio pairs a 2595MHz boost with MSI's TRI FROZR 3 cooler, a copper baseplate and TORX Fan 5.0 blades.
Best for
- Buyers who want TRI FROZR 3 cooler with a copper baseplate.
Skip if
- Skip it if price comes first: the RTX 4080 Super Founders Edition cost less when we checked.
Why we like it
It is MSI's mainstream large-cooler take on the RTX 4090. On video memory it ties with the ROG Strix 4090 at 24GB. It shares an RTX 4090 gpu with the ROG Strix 4090; the ROG Astral 5080 goes with an RTX 5080 gpu.
Like the ROG Strix 4090 and RTX 4080 Super Founders Edition, it has GDDR6X memory, while the ASUS TUF RTX 5090 uses GDDR7 memory. No other pick in this guide offers a 2595MHz boost clock; compare the ROG Astral 5080, which has a 2790MHz (OC mode) boost clock. It also comes with TORX Fan 5.0 blades linked by ring arcs.
No dimensions are published for the MSI 4090 Gaming X Trio; get length and thickness from the maker's page first. It was priced above the ROG Astral 5080 and below the ROG Strix 4090 at the time of writing.
Key dimensions & specs
- GPU: RTX 4090
- VRAM: 24GB
- Memory: GDDR6X
- Boost clock: 2595MHz
Pros
- 24GB of VRAM, room for large local AI models as well as games
- TRI FROZR 3 cooler with a copper baseplate
- TORX Fan 5.0 blades linked by ring arcs
- 2595MHz boost clock, the only one here
Cons
- Costs more than the RTX 4080 Super Founders Edition at the time of writing
Worth a Look4 of 5
NVIDIA GeForce RTX 4080 Super Founders Edition on Amazon (opens in a new tab)
The Founders Edition is NVIDIA's own RTX 4080 Super design, with a 2.55GHz boost.
Best for
- Buyers who want NVIDIA's own Founders Edition design.
Skip if
- Skip it if this is a deal-breaker for you: video memory of 16GB, behind the ASUS TUF RTX 5090 (32GB).
Why we like it
It is the reference card other models are measured against. On video memory it ties with the ROG Astral 5080 at 16GB. You get an RTX 4080 Super gpu here, which sets it apart from the ROG Astral 5080 and its an RTX 5080 gpu.
Like the ROG Strix 4090 and MSI 4090 Gaming X Trio, it has GDDR6X memory, while the ASUS TUF RTX 5090 uses GDDR7 memory. No dimensions are published for the RTX 4080 Super Founders Edition; get length and thickness from the maker's page first. Its power connector and recommended PSU are not published, so confirm both for the RTX 4080 Super Founders Edition with the maker. What it gives up: video memory of 16GB, behind the ASUS TUF RTX 5090 (32GB); by contrast, the ASUS TUF RTX 5090 offers 32GB.
Key dimensions & specs
- GPU: RTX 4080 Super
- VRAM: 16GB
- Memory: GDDR6X
- Boost clock: 2.55GHz
Pros
- 16GB of VRAM for high-resolution textures
- NVIDIA's own Founders Edition design
- 2.55GHz boost clock
- RTX 4080 Super gpu, the only one here
Cons
- Video memory of 16GB, behind the ASUS TUF RTX 5090 (32GB)
Solid Runner-Up5 of 5
ASUS ROG Astral GeForce RTX 5080 16GB OC Edition on Amazon (opens in a new tab)
The ROG Astral 5080 stands out for four Axial-tech fans, and it adds a vapor chamber with a milled heatspreader.
Best for
- Buyers who want four Axial-tech fans.
Skip if
- Worth skipping when a 357mm length needs a roomy cas is a problem.
Why we like it
It also offers a 16GB video memory and offers a 357mm card length. It matches the RTX 4080 Super Founders Edition on video memory (16GB). No other pick in this guide offers an RTX 5080 gpu; compare the MSI 4090 Gaming X Trio, which has an RTX 4090 gpu.
It shares GDDR7 memory with the ASUS TUF RTX 5090; the ROG Strix 4090 goes with GDDR6X memory. You get a 2790MHz (OC mode) boost clock here, which sets it apart from the MSI 4090 Gaming X Trio and its a 2595MHz boost clock. Measure for 357mm and 3.8 slots before ordering the ROG Astral 5080.
Power for the ROG Astral 5080 comes through 16-pin 12V-2x6, with 850W the maker's minimum PSU. The trade-off is video memory; for more, the ASUS TUF RTX 5090 offers 32GB.
Key dimensions & specs
- GPU: RTX 5080
- VRAM: 16GB
- Memory: GDDR7
- Length: 357mm
- Thickness: 3.8-slot
- Recommended PSU: 850W
- Power connector: 16-pin 12V-2x6
- Boost clock: 2790MHz (OC mode)
Pros
- 16GB of VRAM for high-resolution textures
- Faster GDDR7 memory
- Four Axial-tech fans
- Vapor chamber with a milled heatspreader
Cons
- A 357mm length needs a roomy case
- Its 3.8-slot cooler covers the slots below
- Calls for a 850W or larger PSU
How We Chose
Each pick was assessed across 4 criteria weighted for real-world use.
- GPU and memory
- We compared the chip, video memory capacity and memory type stated in each listing.
- Price tier
- We grouped picks by price at the time of writing rather than by listed clock speed.
- Fit
- We recorded length and slot thickness where the maker lists them, plus low-profile and SFF-Ready status.
- Cooling and extras
- We checked cooler design, fan-stop modes, dual BIOS, support brackets and display outputs.
What to Look for in a GPU for Gaming
Key buying criteria so you get the right fit the first time.
Match the card to your monitor
Resolution and refresh rate decide how much GPU you need. A 1080p screen at 144Hz asks far less than 1440p at 165Hz or 4K.
Buy for the monitor you use now or will buy soon, not for a resolution you may never run.
Check length and thickness
Partner cards of the same GPU can differ by several centimetres. Compare the card's length with the case's GPU clearance, allowing for front fans or a radiator, and check how many slots it covers.
Pair it with a balanced CPU
A fast card with an old CPU can stall at high frame rates, especially at 1080p. At 4K the GPU does most of the work, so the CPU matters less.
Count the display outputs
Most cards offer three DisplayPort outputs and one HDMI, but some swap that balance. Check that the ports match your monitors, TV or VR headset.
Treat 8GB of VRAM as the floor
Some recent games already push past 8GB at high texture settings. Cards with 12GB or 16GB give more room, especially at 1440p and above.
Two versions of the same chip can differ only in memory; check the capacity in the exact model name.
Compare upscaling and encoders
NVIDIA cards support DLSS, AMD cards FSR and Intel cards XeSS. Each game supports a different mix, so check the titles you play.
Streamers should also compare hardware video encoders.
How to Choose a GPU for Gaming
By priority
| Priority | Consider | Why |
|---|---|---|
| Buyers who put video memory first | ASUS TUF RTX 5090 | The largest video memory here (32GB) |
| Buyers who want vapor chamber with a milled heatspreader | ROG Strix 4090 | A vapor chamber with a milled heatspreader |
| Buyers who want TRI FROZR 3 cooler with a copper baseplate | MSI 4090 Gaming X Trio | A TRI FROZR 3 cooler with a copper baseplate |
| Buyers who want NVIDIA's own Founders Edition design | RTX 4080 Super Founders Edition | NVIDIA's own Founders Edition design |
| Buyers who want four Axial-tech fans | ROG Astral 5080 | Four Axial-tech fans |
Scroll sideways to see every column.
Key specs side by side
Figures as each maker states them.
| Card | GPU | VRAM | Memory | Boost clock |
|---|---|---|---|---|
| ASUS TUF RTX 5090 | RTX 5090 | 32GB | GDDR7 | Not listed |
| ROG Strix 4090 | RTX 4090 | 24GB | GDDR6X | Not listed |
| MSI 4090 Gaming X Trio | RTX 4090 | 24GB | GDDR6X | 2595MHz |
| RTX 4080 Super Founders Edition | RTX 4080 Super | 16GB | GDDR6X | 2.55GHz |
| ROG Astral 5080 | RTX 5080 | 16GB | GDDR7 | 2790MHz (OC mode) |
Scroll sideways to see every column.
Frequently Asked Questions
Which of these graphics cards has the largest video memory?
The ASUS TUF RTX 5090 leads at 32GB, ahead of the ROG Strix 4090 at 24GB; the ROG Astral 5080 sits at the other end with 16GB.
What is the least I can spend on one of these graphics cards?
At our last price check the RTX 4080 Super Founders Edition was the cheapest pick and the ASUS TUF RTX 5090 the most expensive; the ROG Astral 5080 was the next step up from the RTX 4080 Super Founders Edition.
How big a power supply do I need?
Use the maker's recommendation for your exact card, then add headroom if you run a high-power CPU. Also check the connectors, not just the wattage.
Will a PCIe 5.0 card work in a PCIe 4.0 or 3.0 slot?
Yes, the interface is backward compatible. Cards with a narrow x8 link can lose some performance on PCIe 3.0 boards.
Will my CPU hold the card back?
It depends on resolution and the games you play. At 1080p and high refresh rates the CPU matters more; at 4K the GPU sets the limit.
Bottom Line
Our first pick is the ASUS TUF RTX 5090, chosen for the largest video memory here (32GB). Look at the ROG Strix 4090 for a vapor chamber with a milled heatspreader, the MSI 4090 Gaming X Trio for a TRI FROZR 3 cooler with a copper baseplate and the RTX 4080 Super Founders Edition for NVIDIA's own Founders Edition design if those matter more to you.
A faster GPU needs a CPU that keeps up at your target frame rate.