PowerColor AMD Radeon RX 7900 XTX Red Devil OC
PowerColor's premium Red Devil take on AMD's 7900 XTX flagship, with 24GB of GDDR6, a 384-bit bus, and triple-fan cooling for 4K maximalists.
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Why we rate it
- Generous 24GB VRAM allocation
- Strong 4K rasterisation
- Premium Red Devil cooling
- DisplayPort 2.1 outputs
- Weak ray tracing versus Nvidia
- FSR is no DLSS 4
Where the PowerColor AMD Radeon RX 7900 XTX Red Devil OC wins and loses
Specifications
General info
Memory
Compute units
Power
Design and cooling
Display outputs
Watch it in action
PowerColor AMD Radeon RX 7900 XTX Red Devil OC vs MSI GeForce RTX 4080 Super 16GB
| PowercolorPowerColor AMD Radeon RX 7900 XTX Red Devil OCThis page | MSIGeForce RTX 4080 Super 16GB | |
|---|---|---|
| Overall score | 100 /100Better | 75 /100 |
| VRAM | 24 GBBetter | 16 GB |
| Boost clock | 2565 MHz | — |
| Memory type | GDDR6 | — |
| TDP | 355 W | — |
| Cuda cores | 6 | — |
| Memory bus bit | 384 | — |
Is the PowerColor AMD Radeon RX 7900 XTX Red Devil OC right for you?
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 premium cooling and a generous memory pool.
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.
Before you buy
Only at a clear discount versus the RX 9070 XT or RTX 5070 Ti. The 7900 XTX remains a strong rasterisation card with massive VRAM, but newer cards offer better RT and FSR 4 or DLSS 4 features.
The 9070 XT offers significantly better ray tracing and FSR 4 support, with the 7900 XTX winning on raw VRAM at 24GB versus 16GB. Pick based on whether you value memory or RT more.
AMD recommends 800W 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.
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.
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