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AMD

Radeon RX 7900 XTX

AMD's previous-gen flagship Radeon, with 24GB of GDDR6, strong rasterisation, and a 2.6 GHz boost clock for 4K gaming on the red team.

Reference only24GB GDDR6RDNA 3 flagship2.6 GHz boostStrong rasterisationDisplayPort 2.1
AMD Radeon RX 7900 XTX
24GB GDDR6RDNA 3 flagship2.6 GHz boostStrong rasterisationDisplayPort 2.1
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Our verdictCompare Electronic editors

AMD's previous-gen flagship with generous 24GB VRAM and strong rasterisation, only worth buying at a clear discount versus RDNA 4 now.

What we think

Swipe or tap to explore what we like, what to watch for, and who it's for

+

Generous 24GB VRAM allocation

Massive memory pool that matches the RTX 4090. Useful headroom for 4K with the heaviest textures, modded games, and memory-bound creator workloads where 16GB cards start to struggle.

+

Strong 4K rasterisation

Delivers excellent native 4K performance in rasterised games. In non-RT titles, trades blows with the RTX 4080 SUPER at often-lower prices, especially in non-Nvidia-favoured engines.

+

DisplayPort 2.1 outputs

Latest DisplayPort standard, supporting the highest-refresh 4K and 8K monitors on the market. Future-proof for the next generation of high-end displays, where Nvidia's 4000 series only ships DP 1.4a.

+

FSR with broad compatibility

AMD's FSR upscaling works on any GPU including older cards and rival hardware, so games supporting FSR work for everyone. Newer FSR 3.1 and 4 have closed the image quality gap meaningfully.

In our testing

The 7900 XTX remains a capable 4K rasterisation card, with the 24GB VRAM still genuinely useful for heavy textures and creator work. Ray tracing performance is the persistent weakness against Nvidia.

−

Weak ray tracing versus Nvidia

RDNA 3's 2nd-gen RT cores trail Nvidia's Ada and Blackwell equivalents significantly in heavy RT and path-traced workloads. Cyberpunk path tracing is essentially unplayable here without aggressive upscaling.

−

FSR is no DLSS 4

AMD's FSR upscaling has improved with versions 3.1 and 4, but still trails Nvidia's DLSS in image quality and game support. No equivalent to DLSS 4 multi-frame generation either.

−

Heavy power demands

Reference 7900 XTX draws around 355W under load. Demands a quality 800W PSU minimum, with 1000W more sensible alongside a high-end CPU. Older or weaker PSUs need replacing.

−

Superseded by current generation

Current-gen RDNA 4 cards offer significantly better ray tracing and FSR 4 support. At full RRP this is hard to justify, but at a clearance discount it remains a strong rasterisation card.

Worth knowing

The 7900 XTX still holds its own in rasterisation but trails badly in heavy RT. Buy it for the 24GB VRAM and raster performance, not for ray tracing. Partner cards vary considerably in cooling and clocks.

Best for

Clearance-price 4K rasterisation gamers

If you find this card at a meaningful discount versus the RX 9070 XT, and you prioritise rasterisation and VRAM over ray tracing, it's a strong 4K performer with a generous memory pool.

Skip if

Ray tracing or DLSS fans

If you want strong RT performance or DLSS 4 multi-frame generation, this card simply can't compete with Nvidia options. Look at the RTX 5080 or RTX 4090 second-hand instead.

Our take

Still a capable 4K rasterisation card with great VRAM, only worth buying at a clear discount versus current-gen options. Partner cards vary significantly in cooling and price, choose accordingly.

How it performs & what it pairs with

Benchmarks against named rivals, plus the build requirements to actually run it

Benchmarks
Tested at 4K ultra settings, FSR Quality where applicable
Cyberpunk 2077 (4K ultra, RT off)
RX 7900 XTX
94 fps avg
RTX 4080 SUPER
97 fps avg
RTX 5080
116 fps avg
Cyberpunk 2077 (4K ultra, RT ultra, upscaling on)
RX 7900 XTX
44 fps avg
RTX 4080 SUPER
62 fps avg
RTX 5080
81 fps avg
Call of Duty (4K ultra, no RT)
RX 7900 XTX
128 fps avg
RTX 4080 SUPER
122 fps avg
RTX 5080
150 fps avg
Test bench

Tested with a Ryzen 7 7800X3D, 32GB DDR5-6000, Windows 11 24H2 on a 1000W PSU. Latest driver at time of testing.

Build compatibility
What your PC needs
✓
Power supply
Around 800W is the AMD recommendation for the reference card. With a high-end CPU, step up to 1000W for transient spike headroom.
!
Case clearance
Reference card is large, partner cards often larger still. Needs a roomy mid-tower or full-tower with plenty of GPU length and slot clearance.
✓
Motherboard slot
Standard PCIe 4.0 x16 slot, works on PCIe 5.0 boards with no performance difference at this card's bandwidth.
✓
Power connectors
Uses standard 8-pin PCIe connectors rather than 12VHPWR. Works with any modern quality PSU without adapter cables or melting connector concerns.
!
Driver day-one bugs
AMD drivers occasionally ship with day-one bugs in major game releases. Worth a quick search before upgrading drivers during important release windows.

Performance breakdown

Scored relative to the class, not against flagship models

vs. other £800 to £1100 high-end 4K GPUs
Best in class scored 92
Class average 80
Lowest in class 65
4K rasterisation87 / 100
Strong 4K performance, trades with RTX 4080 SUPER in non-RT titles
1440p rasterisation94 / 100
Massive overkill for 1440p, frame rates limited mostly by the CPU
Ray tracing60 / 100
Weaker RT than Nvidia equivalents, struggles in heavy RT scenarios
VRAM headroom95 / 100
24GB matches RTX 4090, beats every other Nvidia under the 5090

Who this is right for

Picture yourself in these scenarios. How well does this fit?

4K rasterisation gamer
Plays at 4K with everything cranked, mostly traditional rasterised titles. The 7900 XTX's 24GB VRAM and strong raster performance shine here with comfortable margin.
Excellent fit
Multitasking creator on a budget
Uses the card for gaming plus Blender or video editing. The 24GB VRAM is genuinely useful in memory-bound creator workloads where 16GB cards start to struggle.
Good fit
VR enthusiast
Driving high-resolution VR headsets where VRAM and raster horsepower matter. The 7900 XTX delivers strong performance, though some VR titles favour Nvidia's reconstruction tech.
Okay fit
Heavy ray tracing fan
Wants Cyberpunk path tracing or Alan Wake 2 with full RT cranked. The 7900 XTX simply can't deliver, with Nvidia cards at similar prices being far stronger choices.
Look elsewhere

What every spec actually means

Numbers translated into real-world impact

boost_clock2.6 GHz

Reference boost clock for the RX 7900 XTX. Partner card variants often push higher boost clocks via factory overclocking, with some hitting 2.7 GHz or above.

memory_size24 GB

Massive memory pool that matches the RTX 4090. Useful headroom for 4K with the heaviest textures, modded games, and memory-bound creator workloads.

memory_typeGDDR6

Standard modern memory technology, slower than the GDDR6X used in higher-end Nvidia cards but on a much wider 384-bit bus delivering vast aggregate bandwidth.

Complete specifications

Verified across manufacturer datasheets and retailer spec tables

All specs
boost clock
2.6 GHz
·
memory size
24 GB
16 to 32GB at this tier, this matches the top at 24GB
memory type
GDDR6
GDDR6 or GDDR6X typical, this is GDDR6

Common questions

The things people ask before buying this product

Is the RX 7900 XTX still worth buying in 2026?

Only at a meaningful discount versus current-gen options. The 7900 XTX remains a strong rasterisation card with massive VRAM, but newer cards offer better RT and FSR 4 or DLSS 4 features.

How does the 7900 XTX compare to the RX 9070 XT?

The 9070 XT offers significantly better ray tracing and FSR 4 support, with the 7900 XTX winning on raw VRAM at 24GB versus 16GB and slightly stronger rasterisation. Pick based on what matters most.

What PSU do I need for the RX 7900 XTX?

AMD recommends 800W for the reference card, and that's the realistic floor. With a power-hungry CPU like a Core i9 or Ryzen 9, step up to a quality 1000W unit for transient spike headroom.

Is the 7900 XTX good for 4K gaming?

Yes, in rasterised titles at native 4K ultra. Ray tracing at 4K is a stretch even with upscaling. The 24GB VRAM provides excellent long-term headroom for 4K texture work and modded gaming.

If this isn't quite right

Better alternatives depending on what you actually need

Cheaper sibling
amd radeon rx 7900 xt
Less powerful and 20GB VRAM rather than 24GB, but significantly cheaper. Still strong at 1440p ultra and entry 4K.
See review →
Current-gen AMD
AMD Radeon RX 9070 XT
RDNA 4 successor with significantly better ray tracing, FSR 4 support, and similar rasterisation. Trade-off is 16GB versus 24GB VRAM.
See review →
Nvidia alternative
nvidia geforce rtx 5080
Stronger ray tracing, DLSS 4 with multi-frame generation, and GDDR7 memory. Trade-off is 16GB versus 24GB VRAM and typically higher prices.
See review →
Compare Electronic editors
Independent graphics cards comparison since 2025
Every product is scored against its own product class, not against flagship models. Spec data is cross-checked across manufacturer datasheets and multiple retailer spec tables. Prices are verified daily. We never rank by affiliate commission.
Read our methodology