Product Compare
AMD Radeon R9 M380 Mac Edition vs AMD Radeon R9 390 X2
| GPU | GPU | |
|---|---|---|
| Graphics Card | ||
| Release Date | May 2015 | Sep 2015 |
| Generation | Gem System | Pirate Islands |
| Type | Mobile | Desktop |
| Bus Interface | PCIe 3.0 x16 | PCIe 3.0 x16 |
| Clock Speeds | ||
| Base Clock | 900 MHz | |
| Boost Clock | 1021 MHz | |
| Memory Clock | 1568 MHz | 1350 MHz |
| Memory | ||
| Memory Size | 2GB | 8GB |
| Memory Type | GDDR5 | GDDR5 |
| Memory Bus | 128bit | 512bit |
| Bandwidth | 100.4GB/s | 345.6GB/s |
| Render Config | ||
| Compute Units | 12 | 40 |
| Shading Units | 768 | 2560 |
| TMUs | 48 | 160 |
| ROPs | 16 | 64 |
| L1 Cache | 16 KB (per CU) | 16 KB (per CU) |
| L2 Cache | 256 KB | 1024 KB |
| Theoretical Performance | ||
| Pixel Rate | 16.34 GPixel/s | 64.00 GPixel/s |
| Texture Rate | 49.01 GTexel/s | 160.0 GTexel/s |
| FP32 (float) | 1.568 TFLOPS | 5.120 TFLOPS |
| FP64 (double) | 98.02 GFLOPS | 640.0 GFLOPS |
| Graphics Processor | ||
| GPU Name | Strato | Grenada |
| GPU Variant | Strato PRO | Grenada PRO(215-0880030) |
| Architecture | GCN 2.0 | GCN 2.0 |
| Foundry | TSMC | TSMC |
| Process Size | 28 nm | 28 nm |
| Transistors | 2.08 billion | 6.2 billion |
| Die Size | 160 mm² | 438 mm² |
| Board Design | ||
| TDP | Unknown | 580W |
| Outputs | Portable Device Dependent | 2x DVI1x HDMI 1.4a1x DisplayPort 1.2 |
| Suggested PSU | 950 W | |
| Power Connectors | 4x 8-pin | |
| Graphics Features | ||
| DirectX | 12 (12_0) | 12 (12_0) |
| OpenGL | 4.6 | 4.6 |
| OpenCL | 2.1 | 2.0 |
| Vulkan | 1.2.170 | 1.2 |
| Shader Model | 6.5 | 6.3 |