AMD Radeon RX 580 vs AMD Radeon RX 6600 XT
23.2Rasterization32.6
20Ray Tracing24.5
38.7Memoryspec-based38.7
78Efficiencyspec-based88.9
30.1Compute40.5
2 spec wins — AMD Radeon RX 58010 spec wins — AMD Radeon RX 6600 XT
InnoReviews verdict
AMD Radeon RX 6600 XT wins this graphics card face-off, 41.5 to 34.1, pulling ahead mainly in compute (+10) and rasterization (+9). AMD Radeon RX 580 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 580
- 100% higher Bus width: 256 bit vs 128 bit
- 13% higher Shading units: 2,304 vs 2,048
- Lower launch price: $229 vs $379
Reasons to pick the AMD Radeon RX 6600 XT
- Stronger rasterization score: 33 vs 23
- Stronger Ray Tracing score: 25 vs 20
- Stronger compute score: 41 vs 30
- 132% higher 3DMark Time Spy: 10,200 vs 4,400
- 121% higher 1440p Ultra: 62 fps vs 28 fps
General
| Spec | AMD Radeon RX 580 | AMD Radeon RX 6600 XT |
|---|---|---|
| Announced | 2017 | 2021 |
| Architecture | GCN 4.0 (Polaris) | RDNA 2 |
| Process | 14 nm | 7 nm+50% |
| TDP | 185 W | 160 W+14% |
| Power connector | 1x 8-pin | 1x 8-pin |
Cores & Clocks
| Spec | AMD Radeon RX 580 | AMD Radeon RX 6600 XT |
|---|---|---|
| Shading units | 2,304+13% | 2,048 |
| RT cores | — | 32 |
| Base clock | 1,257 MHz | 1,968 MHz+57% |
| Boost clock | 1,340 MHz | 2,589 MHz+93% |
Memory
| Spec | AMD Radeon RX 580 | AMD Radeon RX 6600 XT |
|---|---|---|
| VRAM | 8 GB | 8 GB |
| VRAM type | GDDR5 | GDDR6 |
| Bus width | 256 bit+100% | 128 bit |
| Bandwidth | 256 GB/s | 256 GB/s |
Benchmarks
| Spec | AMD Radeon RX 580 | AMD Radeon RX 6600 XT |
|---|---|---|
| 3DMark Time Spy | 4,400Bottom 11% | 10,200+132%Bottom 40% |
| 3DMark Speed Way | — | 1,850Bottom 8% |
| PassMark G3D | 8,600Bottom 8% | 16,000+86%Bottom 41% |
| 1080p Ultra | 40 fpsBottom 4% | 88 fps+120%Bottom 19% |
| 1440p Ultra | 28 fpsBottom 4% | 62 fps+121%Bottom 17% |
| 4K Ultra | 14 fpsBottom 4% | 31 fps+121%Bottom 17% |
Features
| Spec | AMD Radeon RX 580 | AMD Radeon RX 6600 XT |
|---|---|---|
| Upscaling | FSR 2 (game-side) | FSR 3 |
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