AMD Radeon RX 6600 XT vs Intel Arc B580
32.6Rasterization38
24.5Ray Tracing32
38.7Memoryspec-based50.6
88.9Efficiencyspec-based87.4
40.5Compute40
3 spec wins — AMD Radeon RX 6600 XT12 spec wins — Intel Arc B580
InnoReviews verdict
Intel Arc B580 wins this graphics card face-off, 46.4 to 41.5, pulling ahead mainly in Ray Tracing (+8) and rasterization (+5). AMD Radeon RX 6600 XT 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 XT
- 60% higher RT cores: 32 vs 20
- 16% lower TDP: 160 W vs 190 W
Reasons to pick the Intel Arc B580
- Stronger rasterization score: 38 vs 33
- Stronger Ray Tracing score: 32 vs 25
- 78% higher bandwidth: 456 GB/s vs 256 GB/s
- 76% higher 3DMark Speed Way: 3,250 vs 1,850
- 50% higher VRAM: 12 GB vs 8 GB
- Lower launch price: $249 vs $379
General
| Spec | AMD Radeon RX 6600 XT | Intel Arc B580 |
|---|---|---|
| Announced | 2021 | 2024 |
| Architecture | RDNA 2 | Battlemage |
| Process | 7 nm | 5 nm+29% |
| TDP | 160 W+16% | 190 W |
| Power connector | 1x 8-pin | 1x 8-pin |
Cores & Clocks
| Spec | AMD Radeon RX 6600 XT | Intel Arc B580 |
|---|---|---|
| Shading units | 2,048 | 2,560+25% |
| RT cores | 32+60% | 20 |
| Tensor / AI cores | — | 160 |
| Base clock | 1,968 MHz | — |
| Boost clock | 2,589 MHz | 2,670 MHz+3% |
Memory
| Spec | AMD Radeon RX 6600 XT | Intel Arc B580 |
|---|---|---|
| VRAM | 8 GB | 12 GB+50% |
| VRAM type | GDDR6 | GDDR6 |
| Bus width | 128 bit | 192 bit+50% |
| Bandwidth | 256 GB/s | 456 GB/s+78% |
Benchmarks
| Spec | AMD Radeon RX 6600 XT | Intel Arc B580 |
|---|---|---|
| 3DMark Time Spy | 10,200Bottom 40% | 14,300+40%Top 39% |
| 3DMark Speed Way | 1,850Bottom 8% | 3,250+76%Bottom 40% |
| PassMark G3D | 16,000+8%Bottom 41% | 14,800Bottom 37% |
| 1080p Ultra | 88 fpsBottom 19% | 105 fps+19%Bottom 36% |
| 1440p Ultra | 62 fpsBottom 17% | 76 fps+23%Bottom 38% |
| 4K Ultra | 31 fpsBottom 17% | 40 fps+29%Bottom 38% |
Features
| Spec | AMD Radeon RX 6600 XT | Intel Arc B580 |
|---|---|---|
| Upscaling | FSR 3 | XeSS 2 |
Related comparisons
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