Product Compare
ATI Radeon HD 5870 vs NVIDIA GeForce GTX 660 Ti
AMDGPU
NVIDIAGPU
Specifications
Specs Compare| ATI Radeon HD 5870 | NVIDIA GeForce GTX 660 Ti | |
|---|---|---|
| Graphics Card | ||
| Release Date | Sep 2009 | Aug 2012 |
| Generation | Evergreen | GeForce 600 |
| Type | Desktop | Desktop |
| Bus Interface | PCIe 2.0 x16 | PCIe 3.0 x16 |
| Clock Speeds | ||
| Memory Clock | 1200 MHz | 1502 MHz |
| Base Clock | 915 MHz | |
| Boost Clock | 980 MHz | |
| Memory | ||
| Memory Size | 1024MB | 2GB |
| Memory Type | GDDR5 | GDDR5 |
| Memory Bus | 256bit | 192bit |
| Bandwidth | 153.6GB/s | 144.2GB/s |
| Render Config | ||
| Compute Units | 20 | |
| Shading Units | 1600 | 1344 |
| TMUs | 80 | 112 |
| ROPs | 32 | 24 |
| L1 Cache | 8 KB (per CU) | 16 KB (per SMX) |
| L2 Cache | 512 KB | 384 KB |
| Theoretical Performance | ||
| Pixel Rate | 27.20 GPixel/s | 27.44 GPixel/s |
| Texture Rate | 68.00 GTexel/s | 109.8 GTexel/s |
| FP32 (float) | 2.720 TFLOPS | 2.634 TFLOPS |
| FP64 (double) | 544.0 GFLOPS | 109.8 GFLOPS |
| Graphics Processor | ||
| GPU Name | Cypress | GK104 |
| GPU Variant | Cypress XT(215-0735033) | GK104-300-KD-A2 |
| Architecture | TeraScale 2 | Kepler |
| Foundry | TSMC | TSMC |
| Process Size | 40 nm | 28 nm |
| Transistors | 2.154 billion | 3.54 billion |
| Die Size | 334 mm² | 294 mm² |
| Board Design | ||
| TDP | 188W | 150W |
| Suggested PSU | 450 W | 450 W |
| Outputs | 2x DVI1x HDMI 1.3a1x DisplayPort 1.1 | 2x DVI1x HDMI 1.4a1x DisplayPort 1.2 |
| Power Connectors | 2x 6-pin | 2x 6-pin |
| Graphics Features | ||
| DirectX | 11.2 (11_0) | 12 (11_0) |
| OpenGL | 4.4 | 4.6 |
| OpenCL | 1.2 | 3.0 |
| Vulkan | N/A | 1.1 |
| Shader Model | 5.0 | 5.1 |
| CUDA | 3.0 | |