ASUS

ASUS TUF Gaming GeForce RTX 4090 OC

ASUS's TUF Gaming take on the RTX 4090, with 24GB of GDDR6X, rugged triple-fan cooling, and elite 4K performance for serious enthusiasts and creators.

75/100

Very good

Overall score · how we rate

24GB GDDR6XDLSS 3 with Frame GenTUF Gaming triple-fanFactory overclockedAda Lovelace flagship

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Price checked across retailers daily

Why we rate it

Genuinely elite 4K performance
24GB VRAM for creator workloads
DLSS 3 with Frame Generation
TUF Gaming triple-fan cooling
Superseded by RTX 5090
Heavy 450W TDP

Score profile

Where the ASUS TUF Gaming GeForce RTX 4090 OC wins and loses

Scored against the graphics cards class

4K rasterisation

Ray tracing

Creator workloads

VRAM headroom

Full specification

Specifications

Grouped · supported features marked in blue

Memory

VRAM24 GB

Memory typeGDDR6X

Watch it in action

Head to head

ASUS TUF Gaming GeForce RTX 4090 OC vs MSI MSI GeForce RTX 4090 Gaming X Trio

Highlighted cell = better in that row

ASUS TUF Gaming GeForce RTX 4090 OCMSI GeForce RTX 4090 Gaming X Trio

	ASUSASUS TUF Gaming GeForce RTX 4090 OCThis page	MSIMSI GeForce RTX 4090 Gaming X Trio
Overall score	75 /100	75 /100
VRAM	24 GB	24 GB
Memory type	GDDR6X	GDDR6X

Who it's for

Is the ASUS TUF Gaming GeForce RTX 4090 OC right for you?

Buy it if

Premium 4K gamers and creators

If you find this card at a clear discount versus the RTX 5090, and you want elite 4K performance plus the 24GB VRAM for creator work, the TUF Gaming 4090 remains a serious choice.

Skip it if

Pure gamers shopping at full price

If you're shopping new at full price and only game, the RTX 5080 makes more sense for similar money. DLSS 4 multi-frame generation and modern features at a noticeably lower price.

Premium 4K gamer

Plays at 4K with everything cranked, including heavy ray tracing and path tracing. The 4090 with DLSS 3 Frame Generation handles even Cyberpunk path tracing comfortably at 4K.

excellent

Multitasking creator

Uses the card for gaming plus serious Blender, 3D rendering, or video work. The 24GB VRAM is genuinely useful in memory-bound creator workloads where 16GB cards struggle.

excellent

VR enthusiast

Driving high-resolution VR headsets where VRAM and raw rasterisation matter. The 4090 delivers exceptional VR performance with comfortable headroom for high-fidelity titles.

good

1080p competitive gamer

Plays mostly esports titles at 1080p high refresh. This card is wildly more than needed at that resolution, paying a huge premium for headroom you'll never touch.

skip

Common questions

Before you buy

Is the RTX 4090 still worth buying in 2026?

Yes for creators who need the 24GB VRAM at a clear discount versus the RTX 5090. For pure gamers at full price, the RTX 5080 with DLSS 4 multi-frame generation is often the smarter buy.

How does the RTX 4090 compare to the RTX 5080?

Similar gaming performance overall, with the 5080 winning in DLSS 4 titles and the 4090 winning in raw rasterisation and creator work with its 24GB VRAM. Pick based on use case and pricing.

What PSU do I need for the TUF Gaming 4090 OC?

Nvidia recommends 850W as a floor, but 1000W is more realistic for sustained operation. With a power-hungry CPU like a Core i9 or Ryzen 9, step up to 1200W for transient spike headroom.

Will the TUF Gaming 4090 fit in my case?

Probably not in a compact ITX or mATX case. The triple-fan cooler is substantial. Most mid-towers and full-towers will accommodate it, but check exact dimensions against your specific case before buying.

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