AMD Radeon RX 6600 vs AMD Radeon RX 7900 XT
30.1Rasterization56.5
22.7Ray Tracing43.5
37.1Memory67
92.3Efficiency73.8
36.6Compute63.8
2 spec wins — AMD Radeon RX 660013 spec wins — AMD Radeon RX 7900 XT
InnoReviews verdict
AMD Radeon RX 7900 XT wins this graphics card face-off, 59.1 to 40, pulling ahead mainly in memory (+30) and compute (+27). AMD Radeon RX 6600 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
- Stronger efficiency score: 92 vs 74
- 56% lower TDP: 132 W vs 300 W
- Lower launch price: $329 vs $899
Reasons to pick the AMD Radeon RX 7900 XT
- Stronger rasterization score: 57 vs 30
- Stronger Ray Tracing score: 44 vs 23
- Stronger memory score: 67 vs 37
- Stronger compute score: 64 vs 37
- 260% higher 3DMark Speed Way: 5,400 vs 1,500
General
| Spec | AMD Radeon RX 6600 | AMD Radeon RX 7900 XT |
|---|---|---|
| Announced | 2021 | 2022 |
| Architecture | RDNA 2 | RDNA 3 |
| Process | 7 nm | 5 nm+29% |
| TDP | 132 W+56% | 300 W |
| Power connector | 1x 8-pin | 2x 8-pin |
Cores & Clocks
| Spec | AMD Radeon RX 6600 | AMD Radeon RX 7900 XT |
|---|---|---|
| Shading units | 1,792 | 5,376+200% |
| RT cores | 28 | 84+200% |
| Tensor / AI cores | — | 168 |
| Base clock | 1,626 MHz | — |
| Boost clock | 2,491 MHz+4% | 2,400 MHz |
Memory
| Spec | AMD Radeon RX 6600 | AMD Radeon RX 7900 XT |
|---|---|---|
| VRAM | 8 GB | 20 GB+150% |
| VRAM type | GDDR6 | GDDR6 |
| Bus width | 128 bit | 320 bit+150% |
| Bandwidth | 224 GB/s | 800 GB/s+257% |
Benchmarks
| Spec | AMD Radeon RX 6600 | AMD Radeon RX 7900 XT |
|---|---|---|
| 3DMark Time Spy | 8,400Top 90% | 26,500+215%Top 18% |
| 3DMark Speed Way | 1,500Top 98% | 5,400+260%Top 31% |
| PassMark G3D | 13,900Top 82% | 27,800+100%Top 15% |
| 1080p Ultra | 76 fpsTop 88% | 168 fps+121%Top 26% |
| 1440p Ultra | 53 fpsTop 90% | 130 fps+145%Top 20% |
| 4K Ultra | 27 fpsTop 90% | 75 fps+178%Top 20% |
Features
| Spec | AMD Radeon RX 6600 | AMD Radeon RX 7900 XT |
|---|---|---|
| Upscaling | FSR 3 | FSR 3 |
Related comparisons
AMD Radeon RX 6600vs NVIDIA GeForce GTX 1080 TiVSAMD Radeon RX 6600vs NVIDIA GeForce RTX 2070 SuperVSAMD Radeon RX 6600vs AMD Radeon RX 6600 XTVSAMD Radeon RX 6600vs Intel Arc A750VSAMD Radeon RX 7900 XTvs AMD Radeon RX 9070VSAMD Radeon RX 7900 XTvs NVIDIA GeForce RTX 4070 Ti SuperVSAMD Radeon RX 7900 XTvs AMD Radeon RX 9070 XTVSAMD Radeon RX 7900 XTvs NVIDIA GeForce RTX 5070VS