AMD Radeon RX 6400 vs NVIDIA GeForce GTX 1660 Ti
22.4Rasterization26.4
—Ray Tracing20
25.4Memoryspec-based37.9
95.6Efficiencyspec-based88.3
24.1Compute33.7
6 spec wins — AMD Radeon RX 64006 spec wins — NVIDIA GeForce GTX 1660 Ti
InnoReviews verdict
This one is close to a dead heat: AMD Radeon RX 6400 scores 37 against 37.2 for NVIDIA GeForce GTX 1660 Ti. Pick by the categories that matter to you — NVIDIA GeForce GTX 1660 Ti edges ahead in compute and rasterization, or by price.
Which would you pick?
Key differences
Reasons to pick the AMD Radeon RX 6400
- 56% lower TDP: 53 W vs 120 W
- 50% lower process: 6 nm vs 12 nm
- 36% higher Base clock: 2,039 MHz vs 1,500 MHz
- 31% higher Boost clock: 2,321 MHz vs 1,770 MHz
- Lower launch price: $159 vs $279
Reasons to pick the NVIDIA GeForce GTX 1660 Ti
- Stronger rasterization score: 26 vs 22
- Stronger compute score: 34 vs 24
- 200% higher Bus width: 192 bit vs 64 bit
- 125% higher bandwidth: 288 GB/s vs 128 GB/s
- 100% higher Shading units: 1,536 vs 768
General
| Spec | AMD Radeon RX 6400 | NVIDIA GeForce GTX 1660 Ti |
|---|---|---|
| Announced | 2022 | 2019 |
| Architecture | RDNA 2 | Turing |
| Process | 6 nm+50% | 12 nm |
| TDP | 53 W+56% | 120 W |
| Power connector | None (PCIe-powered) | 1x 8-pin |
Cores & Clocks
| Spec | AMD Radeon RX 6400 | NVIDIA GeForce GTX 1660 Ti |
|---|---|---|
| Shading units | 768 | 1,536+100% |
| RT cores | 12 | 0 |
| Tensor / AI cores | — | 0 |
| Base clock | 2,039 MHz+36% | 1,500 MHz |
| Boost clock | 2,321 MHz+31% | 1,770 MHz |
Memory
| Spec | AMD Radeon RX 6400 | NVIDIA GeForce GTX 1660 Ti |
|---|---|---|
| VRAM | 4 GB | 6 GB+50% |
| VRAM type | GDDR6 | GDDR6 |
| Bus width | 64 bit | 192 bit+200% |
| Bandwidth | 128 GB/s | 288 GB/s+125% |
Benchmarks
| Spec | AMD Radeon RX 6400 | NVIDIA GeForce GTX 1660 Ti |
|---|---|---|
| 3DMark Time Spy | 3,579Bottom 4% | 6,261+75%Bottom 23% |
| PassMark G3D | 7,758Bottom 7% | 12,565+62%Bottom 25% |
Features
| Spec | AMD Radeon RX 6400 | NVIDIA GeForce GTX 1660 Ti |
|---|---|---|
| Upscaling | FSR 3 | — |
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