AMD Radeon RX 6600 XT vs NVIDIA GeForce RTX 4080 Super
32.6Rasterization62.4
24.5Ray Tracing55.2
38.7Memoryspec-based61.3
88.9Efficiencyspec-based71.3
40.5Compute68.2
2 spec wins — AMD Radeon RX 6600 XT14 spec wins — NVIDIA GeForce RTX 4080 Super
InnoReviews verdict
NVIDIA GeForce RTX 4080 Super wins this graphics card face-off, 63 to 41.5, pulling ahead mainly in Ray Tracing (+31) and rasterization (+30). 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
- 50% lower TDP: 160 W vs 320 W
- Lower launch price: $379 vs $999
Reasons to pick the NVIDIA GeForce RTX 4080 Super
- Stronger rasterization score: 62 vs 33
- Stronger Ray Tracing score: 55 vs 25
- Stronger compute score: 68 vs 41
- 400% higher Shading units: 10,240 vs 2,048
- 311% higher 3DMark Speed Way: 7,600 vs 1,850
General
| Spec | AMD Radeon RX 6600 XT | NVIDIA GeForce RTX 4080 Super |
|---|---|---|
| Announced | 2021 | 2024 |
| Architecture | RDNA 2 | Ada Lovelace |
| Process | 7 nm | 5 nm+29% |
| TDP | 160 W+50% | 320 W |
| Power connector | 1x 8-pin | 1x 16-pin |
Cores & Clocks
| Spec | AMD Radeon RX 6600 XT | NVIDIA GeForce RTX 4080 Super |
|---|---|---|
| Shading units | 2,048 | 10,240+400% |
| RT cores | 32 | 80+150% |
| Tensor / AI cores | — | 320 |
| Base clock | 1,968 MHz | 2,295 MHz+17% |
| Boost clock | 2,589 MHz+2% | 2,550 MHz |
Memory
| Spec | AMD Radeon RX 6600 XT | NVIDIA GeForce RTX 4080 Super |
|---|---|---|
| VRAM | 8 GB | 16 GB+100% |
| VRAM type | GDDR6 | GDDR6X |
| Bus width | 128 bit | 256 bit+100% |
| Bandwidth | 256 GB/s | 736 GB/s+188% |
Benchmarks
| Spec | AMD Radeon RX 6600 XT | NVIDIA GeForce RTX 4080 Super |
|---|---|---|
| 3DMark Time Spy | 10,200Bottom 40% | 28,500+179%Top 8% |
| 3DMark Speed Way | 1,850Bottom 8% | 7,600+311%Top 10% |
| PassMark G3D | 16,000Bottom 41% | 28,300+77%Top 8% |
| 1080p Ultra | 88 fpsBottom 19% | 198 fps+125%Top 8% |
| 1440p Ultra | 62 fpsBottom 17% | 152 fps+145%Top 8% |
| 4K Ultra | 31 fpsBottom 17% | 90 fps+190%Top 8% |
Features
| Spec | AMD Radeon RX 6600 XT | NVIDIA GeForce RTX 4080 Super |
|---|---|---|
| Upscaling | FSR 3 | DLSS 4 (no MFG) |
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