Product Compare
NVIDIA GeForce GTX 680 vs AMD Radeon HD 7950 Monica BIOS 1
| GPU | GPU | |
|---|---|---|
| Graphics Card | ||
| Release Date | Mar 2012 | Jan 2012 |
| Generation | GeForce 600 | Southern Islands |
| Type | Desktop | Desktop |
| Bus Interface | PCIe 3.0 x16 | PCIe 3.0 x16 |
| Clock Speeds | ||
| Base Clock | 1006 MHz | |
| Boost Clock | 1058 MHz | |
| Memory Clock | 1502 MHz | 1250 MHz |
| Memory | ||
| Memory Size | 2GB | 3GB |
| Memory Type | GDDR5 | GDDR5 |
| Memory Bus | 256bit | 384bit |
| Bandwidth | 192.3GB/s | 240.0GB/s |
| Render Config | ||
| Shading Units | 1536 | 1536 |
| TMUs | 128 | 96 |
| ROPs | 32 | 32 |
| L1 Cache | 16 KB (per SMX) | 16 KB (per CU) |
| L2 Cache | 512 KB | 768 KB |
| Compute Units | 24 | |
| Theoretical Performance | ||
| Pixel Rate | 33.86 GPixel/s | 29.60 GPixel/s |
| Texture Rate | 135.4 GTexel/s | 88.80 GTexel/s |
| FP32 (float) | 3.250 TFLOPS | 2.842 TFLOPS |
| FP64 (double) | 135.4 GFLOPS | 710.4 GFLOPS |
| Graphics Processor | ||
| GPU Name | GK104 | Tahiti |
| GPU Variant | GK104-400-A2 | Tahiti PRO(215-0821056) |
| Architecture | Kepler | GCN 1.0 |
| Foundry | TSMC | TSMC |
| Process Size | 28 nm | 28 nm |
| Transistors | 3.54 billion | 4.313 billion |
| Die Size | 294 mm² | 352 mm² |
| Board Design | ||
| TDP | 195W | 185W |
| Suggested PSU | 450 W | 450 W |
| Outputs | 2x DVI1x HDMI 1.4a1x DisplayPort 1.2 | 1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2 |
| Power Connectors | 2x 6-pin | 1x 6-pin + 1x 8-pin |
| Graphics Features | ||
| DirectX | 12 (11_0) | 12 (11_1) |
| OpenGL | 4.6 | 4.6 |
| OpenCL | 3.0 | 1.2 |
| Vulkan | 1.2.175 | 1.2 |
| CUDA | 3.0 | |
| Shader Model | 6.5 (5.1) | 5.1 |