AMD Radeon RX 6400 vs NVIDIA GeForce GTX 1660 Super
22.4Rasterization25.2
—Ray Tracing20
25.4Memoryspec-based39.8
95.6Efficiencyspec-based87.7
24.1Compute28.7
5 spec wins — AMD Radeon RX 64006 spec wins — NVIDIA GeForce GTX 1660 Super
InnoReviews verdict
This one is close to a dead heat: AMD Radeon RX 6400 scores 37 against 36.2 for NVIDIA GeForce GTX 1660 Super. Pick by the categories that matter to you, or by price.
Which would you pick?
Key differences
Reasons to pick the AMD Radeon RX 6400
- 58% lower TDP: 53 W vs 125 W
- 50% lower process: 6 nm vs 12 nm
- 33% higher Base clock: 2,039 MHz vs 1,530 MHz
- 30% higher Boost clock: 2,321 MHz vs 1,785 MHz
- Lower launch price: $159 vs $229
Reasons to pick the NVIDIA GeForce GTX 1660 Super
- Stronger compute score: 29 vs 24
- 200% higher Bus width: 192 bit vs 64 bit
- 163% higher bandwidth: 336 GB/s vs 128 GB/s
- 83% higher Shading units: 1,408 vs 768
- 50% higher VRAM: 6 GB vs 4 GB
General
| Spec | AMD Radeon RX 6400 | NVIDIA GeForce GTX 1660 Super |
|---|---|---|
| Announced | 2022 | 2019 |
| Architecture | RDNA 2 | Turing |
| Process | 6 nm+50% | 12 nm |
| TDP | 53 W+58% | 125 W |
| Power connector | None (PCIe-powered) | 1x 8-pin |
Cores & Clocks
| Spec | AMD Radeon RX 6400 | NVIDIA GeForce GTX 1660 Super |
|---|---|---|
| Shading units | 768 | 1,408+83% |
| RT cores | 12 | — |
| Base clock | 2,039 MHz+33% | 1,530 MHz |
| Boost clock | 2,321 MHz+30% | 1,785 MHz |
Memory
| Spec | AMD Radeon RX 6400 | NVIDIA GeForce GTX 1660 Super |
|---|---|---|
| VRAM | 4 GB | 6 GB+50% |
| VRAM type | GDDR6 | GDDR6 |
| Bus width | 64 bit | 192 bit+200% |
| Bandwidth | 128 GB/s | 336 GB/s+163% |
Benchmarks
| Spec | AMD Radeon RX 6400 | NVIDIA GeForce GTX 1660 Super |
|---|---|---|
| 3DMark Time Spy | 3,579Bottom 4% | 5,000+40%Bottom 18% |
| PassMark G3D | 7,758Bottom 7% | 9,600+24%Bottom 10% |
| 1080p Ultra | — | 51 fpsBottom 6% |
| 1440p Ultra | — | 36 fpsBottom 6% |
| 4K Ultra | — | 19 fpsBottom 6% |
Features
| Spec | AMD Radeon RX 6400 | NVIDIA GeForce GTX 1660 Super |
|---|---|---|
| Upscaling | FSR 3 | NIS (driver-level) |
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