Product Compare
NVIDIA GeForce GTX 660 Rev. 2 vs AMD Radeon PRO W7800 48 GB
| GPU | GPU | |
|---|---|---|
| Graphics Card | ||
| Release Date | Sep 2014 | Apr 2023 |
| Generation | GeForce 600 | Radeon Pro Navi(Navi III Series) |
| Type | Desktop | Desktop |
| Bus Interface | PCIe 3.0 x16 | PCIe 4.0 x16 |
| Clock Speeds | ||
| Base Clock | 980 MHz | 1895 MHz |
| Boost Clock | 1032 MHz | 2525 MHz |
| Memory Clock | 1502 MHz | 2250 MHz |
| Memory | ||
| Memory Size | 2GB | 48GB |
| Memory Type | GDDR5 | GDDR6 |
| Memory Bus | 192bit | 384bit |
| Bandwidth | 144.2GB/s | 864.0GB/s |
| Render Config | ||
| Shading Units | 960 | 4480 |
| TMUs | 80 | 280 |
| ROPs | 24 | 128 |
| L1 Cache | 16 KB (per SMX) | 256 KB per Array |
| L2 Cache | 384 KB | 6 MB |
| Compute Units | 70 | |
| RT Cores | 70 | |
| L3 Cache | 96 MB | |
| Theoretical Performance | ||
| Pixel Rate | 20.64 GPixel/s | 323.2 GPixel/s |
| Texture Rate | 82.56 GTexel/s | 707.0 GTexel/s |
| FP32 (float) | 1.981 TFLOPS | 45.25 TFLOPS |
| FP64 (double) | 82.56 GFLOPS | 1414 GFLOPS |
| FP16 (half) | 90.50 TFLOPS | |
| Graphics Processor | ||
| GPU Name | GK104 | Navi 31 |
| Architecture | Kepler | RDNA 3.0 |
| Foundry | TSMC | TSMC |
| Process Size | 28 nm | 5 nm |
| Transistors | 3.54 billion | 57.7 billion |
| Die Size | 294 mm² | 529 mm² |
| GPU Variant | Navi 31 | |
| Board Design | ||
| TDP | 140W | 281W |
| Suggested PSU | 300 W | 600 W |
| Outputs | 2x DVI1x HDMI 1.4a1x DisplayPort 1.2 | 3x DisplayPort 2.11x mini-DisplayPort 2.1 |
| Power Connectors | 1x 6-pin | 2x 8-pin |
| Graphics Features | ||
| DirectX | 12 (11_0) | 12 Ultimate (12_2) |
| OpenGL | 4.6 | 4.6 |
| OpenCL | 3.0 | 2.2 |
| Vulkan | 1.1 | 1.3 |
| CUDA | 3.0 | |
| Shader Model | 5.1 | 6.8 |