Product Compare
NVIDIA GeForce RTX 5090 Mobile vs NVIDIA GeForce GTX 660
| GPU | GPU | |
|---|---|---|
| Graphics Card | ||
| Release Date | Mar 2025 | Sep 2012 |
| Generation | GeForce 50 Mobile | GeForce 600 |
| Type | Mobile | Desktop |
| Bus Interface | PCIe 5.0 x16 | PCIe 3.0 x16 |
| Clock Speeds | ||
| Base Clock | 990 MHz | 980 MHz |
| Boost Clock | 1515 MHz | 1032 MHz |
| Memory Clock | 1750 MHz | 1502 MHz |
| Memory | ||
| Memory Size | 24GB | 2GB |
| Memory Type | GDDR7 | GDDR5 |
| Memory Bus | 256bit | 192bit |
| Bandwidth | 896.0GB/s | 144.2GB/s |
| Render Config | ||
| SM Count | 82 | |
| Shading Units | 10496 | 960 |
| TMUs | 328 | 80 |
| ROPs | 112 | 24 |
| Tensor Cores | 328 | |
| RT Cores | 82 | |
| L1 Cache | 128 KB (per SM) | 16 KB (per SMX) |
| L2 Cache | 64 MB | 384 KB |
| Theoretical Performance | ||
| Pixel Rate | 169.7 GPixel/s | 20.64 GPixel/s |
| Texture Rate | 496.9 GTexel/s | 82.56 GTexel/s |
| FP16 (half) | 31.80 TFLOPS | |
| FP32 (float) | 31.80 TFLOPS | 1.981 TFLOPS |
| FP64 (double) | 496.9 GFLOPS | 82.56 GFLOPS |
| Graphics Processor | ||
| GPU Name | GB203 | GK106 |
| GPU Variant | GN22-X11-A1 | GK106-400-A1 |
| Architecture | Blackwell 2.0 | Kepler |
| Foundry | TSMC | TSMC |
| Process Size | 5 nm | 28 nm |
| Transistors | 45.6 billion | 2.54 billion |
| Die Size | 378 mm² | 221 mm² |
| Board Design | ||
| TDP | 95W | 140W |
| Suggested PSU | 550 W | 300 W |
| Outputs | Portable Device Dependent | 2x DVI1x HDMI 1.4a1x DisplayPort 1.2 |
| Power Connectors | None | 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 | ||
| Blender | 8089 | 111 |