Between the Radeon RX 7700 XT and Radeon RX 7900 XTX, the Radeon RX 7700 XT comes out ahead in tdp and boost clock, while the Radeon RX 7900 XTX wins on vram and memory bus. Overall, the Radeon RX 7700 XT scores 59.6 and the Radeon RX 7900 XTX scores 71 on our Mars Score.
Which should you buy?
The Radeon RX 7900 XTX is the clear pick on raw spec strength, leading by 11.4 points on the Mars Score. The margin is wide enough that the underdog only makes sense if its individual strengths line up with what you specifically need.
Pick the Radeon RX 7700 XT if you care most about tdp and boost clock. The biggest gaps in its favor are tdp, boost clock.
Pick the Radeon RX 7900 XTX if you push the hardware — gaming, on-device AI, heavy multitasking — and the extra compute headroom is worth the trade-offs. Its strongest claims are vram, memory bus, cuda / stream cores, among others.
Both ship with comparable dlss, so those specs don't separate the two — focus on the differences below.
Bottom line: the Radeon RX 7900 XTX is the safer default. The other model is the right choice only when its specific advantages line up with your priorities.
Why AMD - Radeon RX 7700 XT wins
- ▲TDP — 110.00 W less. 245 vs 355.
- ▲Boost clock — 1.76% more. 2544 MHz vs 2500 MHz.
Why AMD - Radeon RX 7900 XTX wins
- ▲VRAM — 100.00% more. 24 GB vs 12 GB.
- ▲Memory bus — 100.00% more. 384 bit vs 192 bit.
- ▲CUDA / Stream cores — 77.78% more. 6144 vs 3456.
- ▲Ray tracing cores — 77.78% more. 96 vs 54.
- ▲3DMark Time Spy — 41.89% more. 21000 vs 14800.
Spec comparison
Core
| Spec | AMD - Radeon RX 7700 XT | AMD - Radeon RX 7900 XTX |
|---|---|---|
| Chipset | Navi 32 | Navi 31 |
| Base clockⓘ | 1700 MHz | 1900 MHzlead |
| Boost clockⓘ | 2544 MHzlead | 2500 MHz |
| CUDA / Stream coresⓘ | 3456 | 6144lead |
| Ray tracing coresⓘ | 54 | 96lead |
Memory
| Spec | AMD - Radeon RX 7700 XT | AMD - Radeon RX 7900 XTX |
|---|---|---|
| VRAMⓘ | 12 GB | 24 GBlead |
| VRAM typeⓘ | GDDR6 | GDDR6 |
| Memory busⓘ | 192 bit | 384 bitlead |
Power & Form
| Spec | AMD - Radeon RX 7700 XT | AMD - Radeon RX 7900 XTX |
|---|---|---|
| TDPⓘ | 245 Wlead | 355 W |
| Recommended PSUⓘ | 700 Wlead | 800 W |
| Length | 267 mmlead | 287 mm |
| Slot size | 2.5-slot | 2.5-slot |
Benchmarks
| Spec | AMD - Radeon RX 7700 XT | AMD - Radeon RX 7900 XTX |
|---|---|---|
| 3DMark Time Spyⓘ | 14800 | 21000lead |
| DLSSⓘ | false | false |
| FSRⓘ | true | true |
Frequently asked
Which has more VRAM, Radeon RX 7700 XT or Radeon RX 7900 XTX?+
Radeon RX 7900 XTX ships with 24GB GDDR6 vs 12GB.
Which scores higher in 3DMark Time Spy, Radeon RX 7700 XT or Radeon RX 7900 XTX?+
Radeon RX 7900 XTX scores 21000 vs 14800.
Which draws less power, Radeon RX 7700 XT or Radeon RX 7900 XTX?+
Radeon RX 7700 XT draws 245W TDP vs 355W.
Spec-level deep dives
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