Product Compare
NVIDIA GeForce GTX 1660 Ti vs AMD Radeon RX 6900 XT
| GPU | GPU | |
|---|---|---|
| Graphics Card | ||
| Release Date | Feb 2019 | Oct 2020 |
| Generation | GeForce 16 | Navi II |
| Type | Desktop | Desktop |
| Bus Interface | PCIe 3.0 x16 | PCIe 4.0 x16 |
| Clock Speeds | ||
| Base Clock | 1500 MHz | 1825 MHz |
| Boost Clock | 1770 MHz | 2250 MHz |
| Memory Clock | 1500 MHz | 2000 MHz |
| Memory | ||
| Memory Size | 6GB | 16GB |
| Memory Type | GDDR6 | GDDR6 |
| Memory Bus | 192bit | 256bit |
| Bandwidth | 288.0GB/s | 512.0GB/s |
| Render Config | ||
| SM Count | 24 | |
| Shading Units | 1536 | 5120 |
| TMUs | 96 | 320 |
| ROPs | 48 | 128 |
| L1 Cache | 64 KB (per SM) | 128 KB per Array |
| L2 Cache | 1536 KB | 4 MB |
| Compute Units | 80 | |
| RT Cores | 80 | |
| L3 Cache | 128 MB | |
| Theoretical Performance | ||
| Pixel Rate | 84.96 GPixel/s | 288.0 GPixel/s |
| Texture Rate | 169.9 GTexel/s | 720.0 GTexel/s |
| FP16 (half) | 10.87 TFLOPS | 46.08 TFLOPS |
| FP32 (float) | 5.437 TFLOPS | 23.04 TFLOPS |
| FP64 (double) | 169.9 GFLOPS | 1440.0 GFLOPS |
| Graphics Processor | ||
| GPU Name | TU116 | Navi 21 |
| GPU Variant | TU116-400-A1 | Navi 21 XTX(215-121000167) |
| Architecture | Turing | RDNA 2.0 |
| Foundry | TSMC | TSMC |
| Process Size | 12 nm | 7 nm |
| Transistors | 6.6 billion | 26.8 billion |
| Die Size | 284 mm² | 520 mm² |
| Board Design | ||
| TDP | 120W | 300W |
| Suggested PSU | 300 W | 700 W |
| Outputs | 1x DVI1x HDMI 2.01x DisplayPort 1.4a | 1x HDMI 2.12x DisplayPort 1.4a1x USB Type-C |
| Power Connectors | 1x 8-pin | 2x 8-pin |
| Graphics Features | ||
| DirectX | 12 (12_1) | 12 Ultimate (12_2) |
| OpenGL | 4.6 | 4.6 |
| OpenCL | 3.0 | 2.1 |
| Vulkan | 1.3 | 1.4 |
| CUDA | 7.5 | |
| Shader Model | 6.6 | 6.8 |
| Benchmarks | ||
| 3DMark Time Spy | 6346 | 20764 |