NVIDIA GeForce GTX 645 OEM vs AMD FirePro W4000
What is the difference between NVIDIA GeForce GTX 645 OEM and AMD FirePro W4000. Find out which graphics card has better performance.
Graphics Processor (GPU)
| GK106 | GPU Name | Pitcairn |
| GK106-200-A1 | Model number | Pitcairn LE GL |
| Kepler | Architecture | GCN 1.0 |
| TSMC | Foundry | TSMC |
| 28 nm | Process Size | 28 nm |
| 2,540 million | Transistors | 2,800 million |
| 221 mm² | Die Size | 212 mm² |
Graphics Card
| Apr 22nd, 2013 | Release Date | Aug 7th, 2012 |
| GeForce 600 | Family | FirePro (Wx000) |
| End-of-life | Production | End-of-life |
| PCIe 3.0 x16 | Bus Interface | PCIe 3.0 x16 |
Memory
| 1024 MB | Memory Size | 2 GB |
| GDDR5 | Memory Type | GDDR5 |
| 128 bit | Memory Bus | 256 bit |
| 64.00 GB/s | Bandwidth | 102.4 GB/s |
Performance
| 9.888 GPixel/s | Pixel fillrate | 26.40 GPixel/s |
| 39.55 GTexel/s | Texture fillrate | 39.60 GTexel/s |
| 949.2 GFLOPS | FP32 (float) performance | 1,267 GFLOPS |
| 39.55 GFLOPS (1:24) | FP64 (double) performance | 79.20 GFLOPS (1:16) |
Clock Speeds
| 1000 MHz 4 Gbps effective | Memory Clock | 800 MHz 3.2 Gbps effective |
| 824 MHz | GPU Clock | 825 MHz |
Render Config
| 576 | Shading Units | 768 |
| 48 | TMUs | 48 |
| 16 | ROPs | 32 |
| 16 KB (per SMX) | L1 Cache | 16 KB (per CU) |
| 256 KB | L2 Cache | 512 KB |
Board Design
| Single-slot | Slot Width | Single-slot |
| 147 mm 5.8 inches | Length | 183 mm 7.2 inches |
| 65 W | Thermal design power (TDP) | 75 W |
| 250 W | Suggested PSU | 250 W |
| 1x DVI 1x HDMI 1x DisplayPort | Display Connectors | 1x DVI 2x DisplayPort |
| None | Power Connectors | None |
| P2010 SKU 20 | Board Number | C417 |
API support
| 12 (11_0) | DirectX | 12 (11_1) |
| 4.6 | OpenGL | 4.6 |
| 3.0 | OpenCL | 1.2 |
| 1.1 | Vulkan | 1.2 |
| 5.1 | Shader Model | 5.1 |