Product Compare
NVIDIA GeForce RTX 5080 vs NVIDIA GeForce GTX 660 OEM
| GPU | GPU | |
|---|---|---|
| Graphics Card | ||
| Release Date | Jan 2025 | Aug 2012 |
| Generation | GeForce 50 | GeForce 600 |
| Type | Desktop | Desktop |
| Bus Interface | PCIe 5.0 x16 | PCIe 3.0 x16 |
| Clock Speeds | ||
| Base Clock | 2295 MHz | 823 MHz |
| Boost Clock | 2617 MHz | 888 MHz |
| Memory Clock | 1875 MHz | 1400 MHz |
| Memory | ||
| Memory Size | 16GB | 1536MB |
| Memory Type | GDDR7 | GDDR5 |
| Memory Bus | 256bit | 192bit |
| Bandwidth | 960.0GB/s | 134.4GB/s |
| Render Config | ||
| SM Count | 84 | |
| Shading Units | 10752 | 1152 |
| TMUs | 336 | 96 |
| ROPs | 112 | 24 |
| Tensor Cores | 336 | |
| RT Cores | 84 | |
| L1 Cache | 128 KB (per SM) | 16 KB (per SMX) |
| L2 Cache | 64 MB | 384 KB |
| Theoretical Performance | ||
| Pixel Rate | 293.1 GPixel/s | 21.31 GPixel/s |
| Texture Rate | 879.3 GTexel/s | 85.25 GTexel/s |
| FP16 (half) | 56.28 TFLOPS | |
| FP32 (float) | 56.28 TFLOPS | 2.046 TFLOPS |
| FP64 (double) | 879.3 GFLOPS | 85.25 GFLOPS |
| Graphics Processor | ||
| GPU Name | GB203 | GK104 |
| GPU Variant | GB203-400-A1 | GK104-200-KD-A2 |
| Architecture | Blackwell 2.0 | Kepler |
| Foundry | TSMC | TSMC |
| Process Size | 5 nm | 28 nm |
| Transistors | 45.6 billion | 3.54 billion |
| Die Size | 378 mm² | 294 mm² |
| Board Design | ||
| TDP | 360W | 130W |
| Suggested PSU | 750 W | 300 W |
| Outputs | 1x HDMI 2.1b3x DisplayPort 2.1b | 2x DVI1x HDMI 1.4a1x DisplayPort 1.2 |
| Power Connectors | 1x 16-pin | 1x 6-pin |
| Graphics Features | ||
| DirectX | 12 Ultimate (12_2) | 12 (11_0) |
| OpenGL | 4.6 | 4.6 |
| OpenCL | 3.0 | 3.0 |
| Vulkan | 1.4 | 1.1 |
| CUDA | 12.0 | 3.0 |
| Shader Model | 6.8 | 5.1 |
| Benchmarks | ||
| 3DMark Time Spy | 33116 | 1194 |
| 3DMark Time Spy Extreme | 16627 | 260 |