AMD Radeon RX 6600 vs AMD Radeon RX 6900 XT
30.1Rasterization49.6
22.7Ray Tracing35.2
37.1Memory56.8
92.3Efficiency71.6
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 memory (+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
- Stronger efficiency score: 92 vs 72
- 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 memory score: 57 vs 37
- Stronger compute score: 61 vs 37
- 186% higher Shading units: 5,120 vs 1,792
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 | 8,400 | 20,300+142% |
| 3DMark Speed Way | 1,500 | 3,850+157% |
| PassMark G3D | 13,900 | 26,100+88% |
| 1080p Ultra | 76 fps | 160 fps+111% |
| 1440p Ultra | 53 fps | 118 fps+123% |
| 4K Ultra | 27 fps | 64 fps+137% |
Features
| Spec | AMD Radeon RX 6600 | AMD Radeon RX 6900 XT |
|---|---|---|
| Upscaling | FSR 3 | FSR 3 |
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