NVIDIA GeForce GTX 850A vs AMD Radeon R9 M275
What is the difference between NVIDIA GeForce GTX 850A and AMD Radeon R9 M275. Find out which graphics card has better performance.
Graphics Processor (GPU)
| GM107 | GPU Name | Venus |
| N15P-GT-A1 | Model number | Venus XTX |
| Maxwell | Architecture | GCN 1.0 |
| TSMC | Foundry | TSMC |
| 28 nm | Process Size | 28 nm |
| 1,870 million | Transistors | 1,500 million |
| 148 mm² | Die Size | 123 mm² |
Graphics Card
| Mar 17th, 2014 | Release Date | Jan 28th, 2014 |
| GeForce 800A | Family | Crystal System (R9 M200) |
| End-of-life | Production | End-of-life |
| GeForce 700A | Predecessor | Solar System |
| PCIe 3.0 x16 | Bus Interface | PCIe 3.0 x16 |
Memory
| 2 GB | Memory Size | 2 GB |
| DDR3 | Memory Type | GDDR5 |
| 128 bit | Memory Bus | 128 bit |
| 28.80 GB/s | Bandwidth | 64.00 GB/s |
Performance
| 14.98 GPixel/s | Pixel fillrate | 14.80 GPixel/s |
| 37.44 GTexel/s | Texture fillrate | 37.00 GTexel/s |
| 1,198 GFLOPS | FP32 (float) performance | 1,184 GFLOPS |
| 37.44 GFLOPS (1:32) | FP64 (double) performance | 74.00 GFLOPS (1:16) |
Clock Speeds
| 902 MHz | Base Clock | 900 MHz |
| 936 MHz | Boost Clock | 925 MHz |
| 900 MHz 1800 Mbps effective | Memory Clock | 1000 MHz 4 Gbps effective |
Render Config
| 640 | Shading Units | 640 |
| 40 | TMUs | 40 |
| 16 | ROPs | 16 |
| 64 KB (per SMM) | L1 Cache | 16 KB (per CU) |
| 2 MB | L2 Cache | 256 KB |
Board Design
| 45 W | Thermal design power (TDP) | unknown |
| No outputs | Display Connectors | No outputs |
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 |