AMD Radeon RX 6600 XT vs AMD Radeon RX 7900 XTX
32.6Rasterization62.4
24.5Ray Tracing47.7
38.7Memoryspec-based74
88.9Efficiencyspec-based67
40.5Compute68.9
3 spec wins — AMD Radeon RX 6600 XT13 spec wins — AMD Radeon RX 7900 XTX
InnoReviews verdict
AMD Radeon RX 7900 XTX wins this graphics card face-off, 62.9 to 41.5, pulling ahead mainly in rasterization (+30) and compute (+28). AMD Radeon RX 6600 XT still makes sense if its price or standout specs fit your needs better.
Which would you pick?
Key differences
Reasons to pick the AMD Radeon RX 6600 XT
- 55% lower TDP: 160 W vs 355 W
- Lower launch price: $379 vs $999
Reasons to pick the AMD Radeon RX 7900 XTX
- Stronger rasterization score: 62 vs 33
- Stronger Ray Tracing score: 48 vs 25
- Stronger compute score: 69 vs 41
- 275% higher bandwidth: 960 GB/s vs 256 GB/s
- 235% higher 3DMark Speed Way: 6,200 vs 1,850
General
| Spec | AMD Radeon RX 6600 XT | AMD Radeon RX 7900 XTX |
|---|---|---|
| Announced | 2021 | 2022 |
| Architecture | RDNA 2 | RDNA 3 |
| Process | 7 nm | 5 nm+29% |
| TDP | 160 W+55% | 355 W |
| Power connector | 1x 8-pin | 2x 8-pin |
Cores & Clocks
| Spec | AMD Radeon RX 6600 XT | AMD Radeon RX 7900 XTX |
|---|---|---|
| Shading units | 2,048 | 6,144+200% |
| RT cores | 32 | 96+200% |
| Tensor / AI cores | — | 192 |
| Base clock | 1,968 MHz+6% | 1,855 MHz |
| Boost clock | 2,589 MHz+4% | 2,500 MHz |
Memory
| Spec | AMD Radeon RX 6600 XT | AMD Radeon RX 7900 XTX |
|---|---|---|
| VRAM | 8 GB | 24 GB+200% |
| VRAM type | GDDR6 | GDDR6 |
| Bus width | 128 bit | 384 bit+200% |
| Bandwidth | 256 GB/s | 960 GB/s+275% |
Benchmarks
| Spec | AMD Radeon RX 6600 XT | AMD Radeon RX 7900 XTX |
|---|---|---|
| 3DMark Time Spy | 10,200Bottom 40% | 30,500+199%Top 5% |
| 3DMark Speed Way | 1,850Bottom 8% | 6,200+235%Top 17% |
| PassMark G3D | 16,000Bottom 41% | 30,700+92%Top 5% |
| 1080p Ultra | 88 fpsBottom 19% | 188 fps+114%Top 15% |
| 1440p Ultra | 62 fpsBottom 17% | 147 fps+137%Top 13% |
| 4K Ultra | 31 fpsBottom 17% | 86 fps+177%Top 13% |
Features
| Spec | AMD Radeon RX 6600 XT | AMD Radeon RX 7900 XTX |
|---|---|---|
| Upscaling | FSR 3 | FSR 3 |
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