AMD Radeon R9 M390X vs AMD Radeon R9 M395 Mac Edition
What is the difference between AMD Radeon R9 M390X and AMD Radeon R9 M395 Mac Edition. Find out which graphics card has better performance.
Graphics Processor (GPU)
| Amethyst | GPU Name | Amethyst |
| Amethyst XT | Model number | Amethyst PRO (216-0872004) |
| GCN 3.0 | Architecture | GCN 3.0 |
| TSMC | Foundry | TSMC |
| 28 nm | Process Size | 28 nm |
| 5,000 million | Transistors | 5,000 million |
| 366 mm² | Die Size | 366 mm² |
Graphics Card
| May 5th, 2015 | Release Date | May 5th, 2015 |
| Crystal System (R9 M300) | Family | Crystal System (R9 M300) |
| Active | Production | Active |
| Solar System | Predecessor | Solar System |
| PCIe 3.0 x16 | Bus Interface | MXM-B (3.0) |
Memory
| 4 GB | Memory Size | 2 GB |
| GDDR5 | Memory Type | GDDR5 |
| 256 bit | Memory Bus | 256 bit |
| 160.0 GB/s | Bandwidth | 174.7 GB/s |
Performance
| 23.14 GPixel/s | Pixel fillrate | 26.69 GPixel/s |
| 92.54 GTexel/s | Texture fillrate | 93.41 GTexel/s |
| 2.961 TFLOPS | FP32 (float) performance | 2.989 TFLOPS |
| 185.1 GFLOPS (1:16) | FP64 (double) performance | 373.6 GFLOPS (1:8) |
Clock Speeds
| 1250 MHz 5 Gbps effective | Memory Clock | 1365 MHz 5.5 Gbps effective |
| 723 MHz | GPU Clock | 834 MHz |
Render Config
| 2048 | Shading Units | 1792 |
| 128 | TMUs | 112 |
| 32 | ROPs | 32 |
| 32 | Compute Units | 28 |
Board Design
| MXM Module | Slot Width | MXM Module |
| 75 W | Thermal design power (TDP) | 250 W |
| No outputs | Display Connectors | No outputs |
| None | Power Connectors | None |
API support
| 12 (12_0) | DirectX | 12 (12_0) |
| 4.6 | OpenGL | 4.6 |
| 2.0 | OpenCL | 2.0 |
| 1.2 | Vulkan | 1.2 |
| 6.3 | Shader Model | 6.3 |