Product Compare
NVIDIA GeForce GTX 650 Ti vs NVIDIA GeForce GTX 660 Ti
| GPU | GPU | |
|---|---|---|
| Graphics Card | ||
| Release Date | Oct 2012 | Aug 2012 |
| Generation | GeForce 600 | GeForce 600 |
| Type | Desktop | Desktop |
| Bus Interface | PCIe 3.0 x16 | PCIe 3.0 x16 |
| Clock Speeds | ||
| Memory Clock | 1350 MHz | 1502 MHz |
| Base Clock | 915 MHz | |
| Boost Clock | 980 MHz | |
| Memory | ||
| Memory Size | 1024MB | 2GB |
| Memory Type | GDDR5 | GDDR5 |
| Memory Bus | 128bit | 192bit |
| Bandwidth | 86.40GB/s | 144.2GB/s |
| Render Config | ||
| Shading Units | 768 | 1344 |
| TMUs | 64 | 112 |
| ROPs | 16 | 24 |
| L1 Cache | 16 KB (per SMX) | 16 KB (per SMX) |
| L2 Cache | 256 KB | 384 KB |
| Theoretical Performance | ||
| Pixel Rate | 14.85 GPixel/s | 27.44 GPixel/s |
| Texture Rate | 59.39 GTexel/s | 109.8 GTexel/s |
| FP32 (float) | 1425 GFLOPS | 2.634 TFLOPS |
| FP64 (double) | 59.39 GFLOPS | 109.8 GFLOPS |
| Graphics Processor | ||
| GPU Name | GK106 | GK104 |
| GPU Variant | GK106-220-A1 | GK104-300-KD-A2 |
| Architecture | Kepler | Kepler |
| Foundry | TSMC | TSMC |
| Process Size | 28 nm | 28 nm |
| Transistors | 2.54 billion | 3.54 billion |
| Die Size | 221 mm² | 294 mm² |
| Board Design | ||
| TDP | 110W | 150W |
| Suggested PSU | 300 W | 450 W |
| Outputs | 2x DVI1x mini-HDMI 1.4a | 2x DVI1x HDMI 1.4a1x DisplayPort 1.2 |
| Power Connectors | 1x 6-pin | 2x 6-pin |
| Graphics Features | ||
| DirectX | 12 (11_0) | 12 (11_0) |
| OpenGL | 4.6 | 4.6 |
| OpenCL | 3.0 | 3.0 |
| Vulkan | 1.1 | 1.1 |
| CUDA | 3.0 | 3.0 |
| Shader Model | 5.1 | 5.1 |