AMD Radeon RX 6600 vs AMD Radeon RX 6900 XT
30.1Rasterization49.6
22.7Ray Tracing35.2
37.1Memoryspec-based56.8
92.3Efficiencyspec-based71.6
36.6Compute60.9
3 spec wins — AMD Radeon RX 660012 spec wins — AMD Radeon RX 6900 XT
InnoReviews verdict
AMD Radeon RX 6900 XT wins this graphics card face-off, 52.8 to 40, pulling ahead mainly in compute (+24) and rasterization (+20). 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
- 56% lower TDP: 132 W vs 300 W
- 11% higher Boost clock: 2,491 MHz vs 2,250 MHz
- Lower launch price: $329 vs $999
Reasons to pick the AMD Radeon RX 6900 XT
- Stronger rasterization score: 50 vs 30
- Stronger Ray Tracing score: 35 vs 23
- Stronger compute score: 61 vs 37
- 186% higher Shading units: 5,120 vs 1,792
- 186% higher RT cores: 80 vs 28
General
| Spec | AMD Radeon RX 6600 | AMD Radeon RX 6900 XT |
|---|---|---|
| Announced | 2021 | 2020 |
| Architecture | RDNA 2 | RDNA 2 |
| Process | 7 nm | 7 nm |
| TDP | 132 W+56% | 300 W |
| Power connector | 1x 8-pin | 2x 8-pin |
Cores & Clocks
| Spec | AMD Radeon RX 6600 | AMD Radeon RX 6900 XT |
|---|---|---|
| Shading units | 1,792 | 5,120+186% |
| RT cores | 28 | 80+186% |
| Base clock | 1,626 MHz | 1,825 MHz+12% |
| Boost clock | 2,491 MHz+11% | 2,250 MHz |
Memory
| Spec | AMD Radeon RX 6600 | AMD Radeon RX 6900 XT |
|---|---|---|
| VRAM | 8 GB | 16 GB+100% |
| VRAM type | GDDR6 | GDDR6 |
| Bus width | 128 bit | 256 bit+100% |
| Bandwidth | 224 GB/s | 512 GB/s+129% |
Benchmarks
| Spec | AMD Radeon RX 6600 | AMD Radeon RX 6900 XT |
|---|---|---|
| 3DMark Time Spy | 8,400Bottom 28% | 20,300+142%Top 22% |
| 3DMark Speed Way | 1,500Bottom 4% | 3,850+157%Top 50% |
| PassMark G3D | 13,900Bottom 31% | 26,100+88%Top 16% |
| 1080p Ultra | 76 fpsBottom 12% | 160 fps+111%Top 32% |
| 1440p Ultra | 53 fpsBottom 12% | 118 fps+123%Top 34% |
| 4K Ultra | 27 fpsBottom 12% | 64 fps+137%Top 38% |
Features
| Spec | AMD Radeon RX 6600 | AMD Radeon RX 6900 XT |
|---|---|---|
| Upscaling | FSR 3 | FSR 3 |
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