NVIDIA GeForce GT 645 OEM vs AMD Radeon R9 M275X
What is the difference between NVIDIA GeForce GT 645 OEM and AMD Radeon R9 M275X. Find out which graphics card has better performance.
Graphics Processor (GPU)
GF114 | GPU Name | Venus |
Fermi 2.0 | Architecture | GCN 1.0 |
TSMC | Foundry | TSMC |
40 nm | Process Size | 28 nm |
1,950 million | Transistors | 1,500 million |
332 mm² | Die Size | 123 mm² |
Graphics Card
Apr 24th, 2012 | Release Date | Jan 28th, 2014 |
GeForce 600 | Family | Crystal System (R9 M200) |
End-of-life | Production | End-of-life |
GeForce 500 | Predecessor | Solar System |
PCIe 2.0 x16 | Bus Interface | PCIe 3.0 x16 |
Memory
1024 MB | Memory Size | 2 GB |
GDDR5 | Memory Type | GDDR5 |
192 bit | Memory Bus | 128 bit |
91.87 GB/s | Bandwidth | 72.00 GB/s |
Performance
9.312 GPixel/s | Pixel fillrate | 14.80 GPixel/s |
37.25 GTexel/s | Texture fillrate | 37.00 GTexel/s |
894.0 GFLOPS | FP32 (float) performance | 1,184 GFLOPS |
74.50 GFLOPS (1:12) | FP64 (double) performance | 74.00 GFLOPS (1:16) |
Clock Speeds
957 MHz 3.8 Gbps effective | Memory Clock | 1125 MHz 4.5 Gbps effective |
Render Config
288 | Shading Units | 640 |
48 | TMUs | 40 |
24 | ROPs | 16 |
64 KB (per SM) | L1 Cache | 16 KB (per CU) |
384 KB | L2 Cache | 256 KB |
Board Design
102 W | Thermal design power (TDP) | unknown |
2x DVI 1x mini-HDMI | Display Connectors | No outputs |
API support
12 (11_0) | DirectX | 12 (11_1) |
4.6 | OpenGL | 4.6 |
1.1 | OpenCL | 1.2 |
N/A | Vulkan | 1.2 |
5.1 | Shader Model | 5.1 |