AMD Radeon HD 6870M vs AMD Radeon R7 M460
What is the difference between AMD Radeon HD 6870M and AMD Radeon R7 M460. Find out which graphics card has better performance.
Graphics Processor (GPU)
| Granville | GPU Name | Meso |
| Granville XT (216-0769024) | Model number | Meso XT (216-0867030) |
| TeraScale 2 | Architecture | GCN 3.0 |
| TSMC | Foundry | TSMC |
| 40 nm | Process Size | 28 nm |
| 1,040 million | Transistors | 1,550 million |
| 166 mm² | Die Size | 125 mm² |
Graphics Card
| Jan 4th, 2011 | Release Date | May 15th, 2016 |
| Vancouver (HD 6800M) | Family | Crystal System (R7 M400) |
| End-of-life | Production | Active |
| Manhattan | Predecessor | Solar System |
| MXM-B (3.0) | Bus Interface | PCIe 3.0 x8 |
Memory
| 1024 MB | Memory Size | 2 GB |
| GDDR5 | Memory Type | DDR3 |
| 128 bit | Memory Bus | 64 bit |
| 64.00 GB/s | Bandwidth | 14.40 GB/s |
Performance
| 10.80 GPixel/s | Pixel fillrate | 9.000 GPixel/s |
| 27.00 GTexel/s | Texture fillrate | 27.00 GTexel/s |
| 1,080 GFLOPS | FP32 (float) performance | 864.0 GFLOPS |
Clock Speeds
| 1000 MHz 4 Gbps effective | Memory Clock | 900 MHz 1800 Mbps effective |
Render Config
| 800 | Shading Units | 384 |
| 40 | TMUs | 24 |
| 16 | ROPs | 8 |
| 10 | Compute Units | 6 |
| 8 KB (per CU) | L1 Cache | 16 KB (per CU) |
| 256 KB | L2 Cache | 128 KB |
Board Design
| 50 W | Thermal design power (TDP) | unknown |
| No outputs | Display Connectors | No outputs |
API support
| 11.2 (11_0) | DirectX | 12 (12_0) |
| 4.4 | OpenGL | 4.6 |
| 1.2 | OpenCL | 2.0 |
| N/A | Vulkan | 1.2 |
| 5.0 | Shader Model | 6.0 |