NVIDIA GeForce GT 545 vs NVIDIA GeForce GT 640 OEM Rebrand
What is the difference between NVIDIA GeForce GT 545 and NVIDIA GeForce GT 640 OEM Rebrand. Find out which graphics card has better performance.
Graphics Processor (GPU)
| GF116 | GPU Name | GF116 |
| Fermi 2.0 | Architecture | Fermi 2.0 |
| TSMC | Foundry | TSMC |
| 40 nm | Process Size | 40 nm |
| 1,170 million | Transistors | 1,170 million |
| 238 mm² | Die Size | 238 mm² |
Graphics Card
| May 14th, 2011 | Release Date | Apr 24th, 2012 |
| GeForce 500 | Family | GeForce 600 |
| End-of-life | Production | End-of-life |
| GeForce 400 | Predecessor | GeForce 500 |
| PCIe 2.0 x16 | Bus Interface | PCIe 2.0 x16 |
Memory
| 1536 MB | Memory Size | 1536 MB |
| DDR3 | Memory Type | DDR3 |
| 192 bit | Memory Bus | 192 bit |
| 38.40 GB/s | Bandwidth | 38.40 GB/s |
Performance
| 4.320 GPixel/s | Pixel fillrate | 4.320 GPixel/s |
| 17.28 GTexel/s | Texture fillrate | 17.28 GTexel/s |
| 414.7 GFLOPS | FP32 (float) performance | 414.7 GFLOPS |
| 34.56 GFLOPS (1:12) | FP64 (double) performance | 34.56 GFLOPS (1:12) |
Clock Speeds
| 800 MHz 1600 Mbps effective | Memory Clock | 800 MHz 1600 Mbps effective |
| 720 MHz | GPU Clock | 720 MHz |
Render Config
| 144 | Shading Units | 144 |
| 24 | TMUs | 24 |
| 16 | ROPs | 24 |
| 64 KB (per SM) | L1 Cache | 64 KB (per SM) |
| 384 KB | L2 Cache | 384 KB |
| 3 | SM Count | 3 |
Board Design
| Single-slot | Slot Width | Single-slot |
| 145 mm 5.7 inches | Length | 145 mm 5.7 inches |
| 70 W | Thermal design power (TDP) | 75 W |
| 250 W | Suggested PSU | 250 W |
| 1x DVI 1x HDMI 1x VGA | Display Connectors | 2x DVI 1x mini-HDMI |
| None | Power Connectors | None |
| P1062 | Board Number | P1062 |
API support
| 12 (11_0) | DirectX | 12 (11_0) |
| 4.6 | OpenGL | 4.6 |
| 1.1 | OpenCL | 1.1 |
| N/A | Vulkan | N/A |
| 5.1 | Shader Model | 5.1 |
| 2.1 | CUDA | 2.1 |