AMD Radeon HD 8670D IGP vs AMD Radeon R7 M340
What is the difference between AMD Radeon HD 8670D IGP and AMD Radeon R7 M340. Find out which graphics card has better performance.
Graphics Processor (GPU)
| Devastator | GPU Name | Opal |
| TeraScale 3 | Architecture | GCN 1.0 |
| TSMC | Foundry | TSMC |
| 32 nm | Process Size | 28 nm |
| 1,303 million | Transistors | 950 million |
| 246 mm² | Die Size | 77 mm² |
Graphics Card
| Mar 12th, 2013 | Release Date | Dec 6th, 2015 |
| Richland (HD 8000) | Family | Crystal System (R7 M300) |
| End-of-life | Production | Active |
| Trinity | Predecessor | Solar System |
| IGP | Bus Interface | PCIe 3.0 x8 |
Memory
| System Shared | Memory Size | 1024 MB |
| System Shared | Memory Type | DDR3 |
| System Shared | Memory Bus | 64 bit |
| System Dependent | Bandwidth | 16.00 GB/s |
Performance
| 6.752 GPixel/s | Pixel fillrate | 5.720 GPixel/s |
| 20.26 GTexel/s | Texture fillrate | 17.16 GTexel/s |
| 648.2 GFLOPS | FP32 (float) performance | 549.1 GFLOPS |
Clock Speeds
| System Shared | Memory Clock | 1000 MHz 2 Gbps effective |
Render Config
| 384 | Shading Units | 384 |
| 24 | TMUs | 24 |
| 8 | ROPs | 8 |
| 6 | Compute Units | 6 |
Board Design
| 100 W | Thermal design power (TDP) | unknown |
| No outputs | 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 |