NVIDIA GeForce 8800 GTS 320 vs NVIDIA GeForce 8800 GTS 640
What is the difference between NVIDIA GeForce 8800 GTS 320 and NVIDIA GeForce 8800 GTS 640. Find out which graphics card has better performance.
Graphics Processor (GPU)
| G80 | GPU Name | G80 |
| G80-100-K0-A2 | Model number | G80-100-K0-A2 |
| Tesla | Architecture | Tesla |
| TSMC | Foundry | TSMC |
| 90 nm | Process Size | 90 nm |
| 681 million | Transistors | 681 million |
| 484 mm² | Die Size | 484 mm² |
Graphics Card
| Feb 12th, 2007 | Release Date | Nov 8th, 2006 |
| GeForce 8 (8800) | Family | GeForce 8 (8800) |
| End-of-life | Production | End-of-life |
| 269 USD | Launch Price | 449 USD |
| GeForce 7 PCIe | Predecessor | GeForce 7 PCIe |
| PCIe 1.0 x16 | Bus Interface | PCIe 1.0 x16 |
Memory
| 320 MB | Memory Size | 640 MB |
| GDDR3 | Memory Type | GDDR3 |
| 320 bit | Memory Bus | 320 bit |
| 63.36 GB/s | Bandwidth | 63.36 GB/s |
Performance
| 10.26 GPixel/s | Pixel fillrate | 10.26 GPixel/s |
| 24.62 GTexel/s | Texture fillrate | 24.62 GTexel/s |
| 228.1 GFLOPS | FP32 (float) performance | 228.1 GFLOPS |
Clock Speeds
| 792 MHz 1584 Mbps effective | Memory Clock | 792 MHz 1584 Mbps effective |
| 513 MHz | GPU Clock | 513 MHz |
Render Config
| 96 | Shading Units | 96 |
| 24 | TMUs | 24 |
| 20 | ROPs | 20 |
| 80 KB | L2 Cache | 80 KB |
| 12 | SM Count | 12 |
Board Design
| Dual-slot | Slot Width | Dual-slot |
| 267 mm 10.5 inches | Length | 267 mm 10.5 inches |
| 143 W | Thermal design power (TDP) | 143 W |
| 300 W | Suggested PSU | 300 W |
| 2x DVI 1x S-Video | Display Connectors | 2x DVI 1x S-Video |
| 1x 6-pin | Power Connectors | 1x 6-pin |
| P356 | Board Number | P356 |
API support
| 11.1 (10_0) | DirectX | 11.1 (10_0) |
| 3.3 | OpenGL | 3.3 |
| 1.1 (1.0) | OpenCL | 1.1 (1.0) |
| N/A | Vulkan | N/A |
| 4.0 | Shader Model | 4.0 |
| 1.0 | CUDA | 1.0 |