AMD Radeon RX 6600 vs AMD Radeon RX 7900 XTX
30.1Rasterization62.4
22.7Ray Tracing47.7
37.1Memoryspec-based74
92.3Efficiencyspec-based67
36.6Compute68.9
1 spec wins — AMD Radeon RX 660015 spec wins — AMD Radeon RX 7900 XTX
InnoReviews verdict
AMD Radeon RX 7900 XTX wins this graphics card face-off, 62.9 to 40, pulling ahead mainly in compute (+32) and rasterization (+32). 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
- 63% lower TDP: 132 W vs 355 W
- Lower launch price: $329 vs $999
Reasons to pick the AMD Radeon RX 7900 XTX
- Stronger rasterization score: 62 vs 30
- Stronger Ray Tracing score: 48 vs 23
- Stronger compute score: 69 vs 37
- 329% higher bandwidth: 960 GB/s vs 224 GB/s
- 313% higher 3DMark Speed Way: 6,200 vs 1,500
General
| Spec | AMD Radeon RX 6600 | AMD Radeon RX 7900 XTX |
|---|---|---|
| Announced | 2021 | 2022 |
| Architecture | RDNA 2 | RDNA 3 |
| Process | 7 nm | 5 nm+29% |
| TDP | 132 W+63% | 355 W |
| Power connector | 1x 8-pin | 2x 8-pin |
Cores & Clocks
| Spec | AMD Radeon RX 6600 | AMD Radeon RX 7900 XTX |
|---|---|---|
| Shading units | 1,792 | 6,144+243% |
| RT cores | 28 | 96+243% |
| Tensor / AI cores | — | 192 |
| Base clock | 1,626 MHz | 1,855 MHz+14% |
| Boost clock | 2,491 MHz | 2,500 MHz |
Memory
| Spec | AMD Radeon RX 6600 | AMD Radeon RX 7900 XTX |
|---|---|---|
| VRAM | 8 GB | 24 GB+200% |
| VRAM type | GDDR6 | GDDR6 |
| Bus width | 128 bit | 384 bit+200% |
| Bandwidth | 224 GB/s | 960 GB/s+329% |
Benchmarks
| Spec | AMD Radeon RX 6600 | AMD Radeon RX 7900 XTX |
|---|---|---|
| 3DMark Time Spy | 8,400Bottom 28% | 30,500+263%Top 5% |
| 3DMark Speed Way | 1,500Bottom 4% | 6,200+313%Top 17% |
| PassMark G3D | 13,900Bottom 31% | 30,700+121%Top 5% |
| 1080p Ultra | 76 fpsBottom 12% | 188 fps+147%Top 15% |
| 1440p Ultra | 53 fpsBottom 12% | 147 fps+177%Top 13% |
| 4K Ultra | 27 fpsBottom 12% | 86 fps+219%Top 13% |
Features
| Spec | AMD Radeon RX 6600 | AMD Radeon RX 7900 XTX |
|---|---|---|
| Upscaling | FSR 3 | FSR 3 |
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