AMD Radeon RX 6600 XT vs NVIDIA GeForce GTX 1660 Super
32.6Rasterization25.2
24.5Ray Tracing20
38.7Memory39.8
88.9Efficiency87.7
40.5Compute28.7
11 spec wins — AMD Radeon RX 6600 XT3 spec wins — NVIDIA GeForce GTX 1660 Super
InnoReviews verdict
AMD Radeon RX 6600 XT wins this graphics card face-off, 41.5 to 36.2, pulling ahead mainly in compute (+12) and rasterization (+7). NVIDIA GeForce GTX 1660 Super 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
- Stronger rasterization score: 33 vs 25
- Stronger Ray Tracing score: 25 vs 20
- Stronger compute score: 41 vs 29
- 104% higher 3DMark Time Spy: 10,200 vs 5,000
- 73% higher 1080p Ultra: 88 fps vs 51 fps
Reasons to pick the NVIDIA GeForce GTX 1660 Super
- 50% higher Bus width: 192 bit vs 128 bit
- 31% higher bandwidth: 336 GB/s vs 256 GB/s
- 22% lower TDP: 125 W vs 160 W
- Lower launch price: $229 vs $379
General
| Spec | AMD Radeon RX 6600 XT | NVIDIA GeForce GTX 1660 Super |
|---|---|---|
| Announced | 2021 | 2019 |
| Architecture | RDNA 2 | Turing |
| Process | 7 nm+42% | 12 nm |
| TDP | 160 W | 125 W+22% |
| Power connector | 1x 8-pin | 1x 8-pin |
Cores & Clocks
| Spec | AMD Radeon RX 6600 XT | NVIDIA GeForce GTX 1660 Super |
|---|---|---|
| Shading units | 2,048+45% | 1,408 |
| RT cores | 32 | — |
| Base clock | 1,968 MHz+29% | 1,530 MHz |
| Boost clock | 2,589 MHz+45% | 1,785 MHz |
Memory
| Spec | AMD Radeon RX 6600 XT | NVIDIA GeForce GTX 1660 Super |
|---|---|---|
| VRAM | 8 GB+33% | 6 GB |
| VRAM type | GDDR6 | GDDR6 |
| Bus width | 128 bit | 192 bit+50% |
| Bandwidth | 256 GB/s | 336 GB/s+31% |
Benchmarks
| Spec | AMD Radeon RX 6600 XT | NVIDIA GeForce GTX 1660 Super |
|---|---|---|
| 3DMark Time Spy | 10,200+104% | 5,000 |
| 3DMark Speed Way | 1,850 | — |
| PassMark G3D | 16,000+67% | 9,600 |
| 1080p Ultra | 88 fps+73% | 51 fps |
| 1440p Ultra | 62 fps+72% | 36 fps |
| 4K Ultra | 31 fps+63% | 19 fps |
Features
| Spec | AMD Radeon RX 6600 XT | NVIDIA GeForce GTX 1660 Super |
|---|---|---|
| Upscaling | FSR 3 | NIS (driver-level) |
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