NVIDIA GeForce 8800 GTS 640 vs NVIDIA GeForce GTX 745 OEM
What is the difference between NVIDIA GeForce 8800 GTS 640 and NVIDIA GeForce GTX 745 OEM. Find out which graphics card has better performance.
Graphics Processor (GPU)
| G80 | GPU Name | GM107 |
| G80-100-K0-A2 | Model number | GM107-220-A2 |
| Tesla | Architecture | Maxwell |
| TSMC | Foundry | TSMC |
| 90 nm | Process Size | 28 nm |
| 681 million | Transistors | 1,870 million |
| 484 mm² | Die Size | 148 mm² |
Graphics Card
| Nov 8th, 2006 | Release Date | Feb 18th, 2014 |
| GeForce 8 (8800) | Family | GeForce 700 |
| End-of-life | Production | End-of-life |
| GeForce 7 PCIe | Predecessor | GeForce 600 |
| PCIe 1.0 x16 | Bus Interface | PCIe 3.0 x16 |
Memory
| 640 MB | Memory Size | 4 GB |
| GDDR3 | Memory Type | DDR3 |
| 320 bit | Memory Bus | 128 bit |
| 63.36 GB/s | Bandwidth | 28.80 GB/s |
Performance
| 10.26 GPixel/s | Pixel fillrate | 16.53 GPixel/s |
| 24.62 GTexel/s | Texture fillrate | 24.79 GTexel/s |
| 228.1 GFLOPS | FP32 (float) performance | 793.3 GFLOPS |
Clock Speeds
| 792 MHz 1584 Mbps effective | Memory Clock | 900 MHz 1800 Mbps effective |
| 513 MHz | GPU Clock | 1033 MHz |
Render Config
| 96 | Shading Units | 384 |
| 24 | TMUs | 24 |
| 20 | ROPs | 16 |
| 80 KB | L2 Cache | 2 MB |
Board Design
| Dual-slot | Slot Width | Single-slot |
| 267 mm 10.5 inches | Length | 145 mm 5.7 inches |
| 143 W | Thermal design power (TDP) | 55 W |
| 300 W | Suggested PSU | 250 W |
| 2x DVI 1x S-Video | Display Connectors | 1x DVI 1x HDMI 1x VGA |
| 1x 6-pin | Power Connectors | None |
| P356 | Board Number | P2012 SKU 50 |
API support
| 11.1 (10_0) | DirectX | 12 (11_0) |
| 3.3 | OpenGL | 4.6 |
| 1.1 (1.0) | OpenCL | 3.0 |
| N/A | Vulkan | 1.1 |
| 4.0 | Shader Model | 5.1 |
| 1.0 | CUDA | 5.0 |