AMD Radeon R5 A255 vs AMD Radeon HD 6830M
What is the difference between AMD Radeon R5 A255 and AMD Radeon HD 6830M. Find out which graphics card has better performance.
Graphics Processor (GPU)
| Topaz | GPU Name | Granville |
| Topaz PRO (216-0864032) | Model number | Granville LP |
| GCN 3.0 | Architecture | TeraScale 2 |
| TSMC | Foundry | TSMC |
| 28 nm | Process Size | 40 nm |
| 1,550 million | Transistors | 1,040 million |
| 125 mm² | Die Size | 166 mm² |
Graphics Card
| 2014 | Release Date | Jan 4th, 2011 |
| All-In-One (Rx 200) | Family | Vancouver (HD 6800M) |
| End-of-life | Production | End-of-life |
| PCIe 3.0 x8 | Bus Interface | PCIe 2.0 x16 |
Memory
| 1024 MB | Memory Size | 1024 MB |
| GDDR5 | Memory Type | DDR3 |
| 128 bit | Memory Bus | 128 bit |
| 64.00 GB/s | Bandwidth | 25.60 GB/s |
Performance
| 7.520 GPixel/s | Pixel fillrate | 9.200 GPixel/s |
| 22.56 GTexel/s | Texture fillrate | 23.00 GTexel/s |
| 721.9 GFLOPS | FP32 (float) performance | 920.0 GFLOPS |
Clock Speeds
| 1000 MHz 4 Gbps effective | Memory Clock | 800 MHz 1600 Mbps effective |
Render Config
| 384 | Shading Units | 800 |
| 24 | TMUs | 40 |
| 8 | ROPs | 16 |
| 6 | Compute Units | 10 |
| 16 KB (per CU) | L1 Cache | 8 KB (per CU) |
| 256 KB | L2 Cache | 256 KB |
Board Design
| unknown | Thermal design power (TDP) | 39 W |
| No outputs | Display Connectors | No outputs |
API support
| 12 (12_0) | DirectX | 11.2 (11_0) |
| 4.6 | OpenGL | 4.4 |
| 2.0 | OpenCL | 1.2 |
| 1.2 | Vulkan | N/A |
| 6.3 | Shader Model | 5.0 |