AMD Radeon HD 6850 vs AMD Radeon R9 M275X
What is the difference between AMD Radeon HD 6850 and AMD Radeon R9 M275X. Find out which graphics card has better performance.
Graphics Processor (GPU)
| Barts | GPU Name | Venus |
| Barts PRO (215-0798006) | Model number | Venus XTX |
| TeraScale 2 | Architecture | GCN 1.0 |
| TSMC | Foundry | TSMC |
| 40 nm | Process Size | 28 nm |
| 1,700 million | Transistors | 1,500 million |
| 255 mm² | Die Size | 123 mm² |
Graphics Card
| Oct 21st, 2010 | Release Date | Jan 28th, 2014 |
| Northern Islands (HD 6800) | Family | Crystal System (R9 M200) |
| End-of-life | Production | End-of-life |
| Evergreen | Predecessor | Solar System |
| PCIe 2.0 x16 | Bus Interface | PCIe 3.0 x16 |
Memory
| 1024 MB | Memory Size | 2 GB |
| GDDR5 | Memory Type | GDDR5 |
| 256 bit | Memory Bus | 128 bit |
| 128.0 GB/s | Bandwidth | 72.00 GB/s |
Performance
| 24.80 GPixel/s | Pixel fillrate | 14.80 GPixel/s |
| 37.20 GTexel/s | Texture fillrate | 37.00 GTexel/s |
| 1,488 GFLOPS | FP32 (float) performance | 1,184 GFLOPS |
Clock Speeds
| 1000 MHz 4 Gbps effective | Memory Clock | 1125 MHz 4.5 Gbps effective |
Render Config
| 960 | Shading Units | 640 |
| 48 | TMUs | 40 |
| 32 | ROPs | 16 |
| 12 | Compute Units | 10 |
| 8 KB (per CU) | L1 Cache | 16 KB (per CU) |
| 512 KB | L2 Cache | 256 KB |
Board Design
| 127 W | Thermal design power (TDP) | unknown |
| 2x DVI 1x HDMI 2x mini-DisplayPort | Display Connectors | No outputs |
API support
| 11.2 (11_0) | DirectX | 12 (11_1) |
| 4.4 | OpenGL | 4.6 |
| 1.2 | OpenCL | 1.2 |
| N/A | Vulkan | 1.2 |
| 5.0 | Shader Model | 5.1 |