NVIDIA GeForce GTX 260 vs NVIDIA GeForce GT 645 OEM
What is the difference between NVIDIA GeForce GTX 260 and NVIDIA GeForce GT 645 OEM. Find out which graphics card has better performance.
Graphics Processor (GPU)
| GT200 | GPU Name | GF114 |
| Tesla 2.0 | Architecture | Fermi 2.0 |
| TSMC | Foundry | TSMC |
| 65 nm | Process Size | 40 nm |
| 1,400 million | Transistors | 1,950 million |
| 576 mm² | Die Size | 332 mm² |
Graphics Card
| Jun 16th, 2008 | Release Date | Apr 24th, 2012 |
| GeForce 200 | Family | GeForce 600 |
| End-of-life | Production | End-of-life |
| GeForce 9 | Predecessor | GeForce 500 |
| PCIe 2.0 x16 | Bus Interface | PCIe 2.0 x16 |
Memory
| 896 MB | Memory Size | 1024 MB |
| GDDR3 | Memory Type | GDDR5 |
| 448 bit | Memory Bus | 192 bit |
| 111.9 GB/s | Bandwidth | 91.87 GB/s |
Performance
| 16.13 GPixel/s | Pixel fillrate | 9.312 GPixel/s |
| 36.86 GTexel/s | Texture fillrate | 37.25 GTexel/s |
| 476.9 GFLOPS | FP32 (float) performance | 894.0 GFLOPS |
| 59.62 GFLOPS (1:8) | FP64 (double) performance | 74.50 GFLOPS (1:12) |
Clock Speeds
| 999 MHz 1998 Mbps effective | Memory Clock | 957 MHz 3.8 Gbps effective |
| 576 MHz | GPU Clock | 776 MHz |
Render Config
| 192 | Shading Units | 288 |
| 64 | TMUs | 48 |
| 28 | ROPs | 24 |
| 224 KB | L2 Cache | 384 KB |
| 24 | SM Count | 6 |
Board Design
| Dual-slot | Slot Width | Dual-slot |
| 267 mm 10.5 inches | Length | 210 mm 8.3 inches |
| 182 W | Thermal design power (TDP) | 102 W |
| 450 W | Suggested PSU | 300 W |
| 2x DVI 1x S-Video | Display Connectors | 2x DVI 1x mini-HDMI |
API support
| 11.1 (10_0) | DirectX | 12 (11_0) |
| 3.3 | OpenGL | 4.6 |
| 1.1 | OpenCL | 1.1 |
| N/A | Vulkan | N/A |
| 4.0 | Shader Model | 5.1 |
| 1.3 | CUDA | 2.1 |