NVIDIA GeForce GTS 240 OEM vs NVIDIA GeForce GT 645 OEM
What is the difference between NVIDIA GeForce GTS 240 OEM and NVIDIA GeForce GT 645 OEM. Find out which graphics card has better performance.
Graphics Processor (GPU)
| G92B | GPU Name | GF114 |
| Tesla | Architecture | Fermi 2.0 |
| TSMC | Foundry | TSMC |
| 55 nm | Process Size | 40 nm |
| 754 million | Transistors | 1,950 million |
| 260 mm² | Die Size | 332 mm² |
Graphics Card
| Jul 1st, 2009 | 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
| 1024 MB | Memory Size | 1024 MB |
| GDDR3 | Memory Type | GDDR5 |
| 256 bit | Memory Bus | 192 bit |
| 70.40 GB/s | Bandwidth | 91.87 GB/s |
Performance
| 10.80 GPixel/s | Pixel fillrate | 9.312 GPixel/s |
| 37.80 GTexel/s | Texture fillrate | 37.25 GTexel/s |
| 362.9 GFLOPS | FP32 (float) performance | 894.0 GFLOPS |
Clock Speeds
| 1100 MHz 2.2 Gbps effective | Memory Clock | 957 MHz 3.8 Gbps effective |
| 675 MHz | GPU Clock | 776 MHz |
Render Config
| 112 | Shading Units | 288 |
| 56 | TMUs | 48 |
| 16 | ROPs | 24 |
| 64 KB | L2 Cache | 384 KB |
| 14 | SM Count | 6 |
Board Design
| Single-slot | Slot Width | Dual-slot |
| 229 mm 9 inches | Length | 210 mm 8.3 inches |
| 120 W | Thermal design power (TDP) | 102 W |
| 300 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 |
| 1.1 | CUDA | 2.1 |