AMD Radeon R9 M395X Mac Edition vs AMD Radeon RX 5500M
Graphics Processor
| GPU model | Amethyst | Navi 14 |
|---|---|---|
| GPU variant | Amethyst XT | Navi 14 XTM |
| Architecture | GCN 3.0 | RDNA 1.0 |
| Foundry | TSMC | TSMC |
| Manufacturing process | 28 nm | 7 nm |
| Number of transistors | 5,000 million | 6,400 million |
| Die size | 366 mm² | 158 mm² |
Mobile graphics
| Release date | May 5th, 2015 | Oct 7th, 2019 |
|---|---|---|
| Generation | Crystal System (R9 M300) | Mobility Radeon (Navi) |
| Production | End-of-life | Active |
| Interface | MXM-B (3.0) | PCIe 4.0 x8 |
| Predecessor | Solar System | Crystal System |
| Successor | Mobility Radeon | Mobility Radeon |
Clocks
| GPU clock | 909 MHz | — |
|---|---|---|
| Memory clock | 1365 MHz 5.5 Gbps effective | 1750 MHz 14 Gbps effective |
| Base clock | — | 1375 MHz |
| Game clock | — | 1448 MHz |
| Boost clock | — | 1645 MHz |
Memory Configuration
| Memory size | 4 GB | 4 GB |
|---|---|---|
| Memory type | GDDR5 | GDDR6 |
| Memory bus width | 256 bit | 128 bit |
| Bandwidth | 174.7 GB/s | 224.0 GB/s |
Render Configuration
| Shading units | 2048 | 1408 |
|---|---|---|
| TMUs | 128 | 88 |
| ROPs | 32 | 32 |
| Compute units | 32 | 22 |
| Cache L1 | 16 KB (per CU) | — |
| Cache L2 | 512 KB | 2 MB |
Performance
| Pixel rate | 29.09 GPixel/s | 52.64 GPixel/s |
|---|---|---|
| Texture rate | 116.4 GTexel/s | 144.8 GTexel/s |
| FP16 (half) performance | 3.723 TFLOPS (1:1) | 9.265 TFLOPS (2:1) |
| FP32 (float) performance | 3.723 TFLOPS | 4.632 TFLOPS |
| FP64 (double) performance | 232.7 GFLOPS (1:16) | 289.5 GFLOPS (1:16) |
Dimensions & Outputs
| Slot width | MXM Module | — |
|---|---|---|
| TDP | 250 W | 85 W |
| Outputs | No outputs | No outputs |
| Power connectors | None | None |
API Support & Features
| DirectX | 12 (12_0) | 12 (12_1) |
|---|---|---|
| OpenGL | 4.6 | 4.6 |
| OpenCL | 2.0 | 2.1 |
| Vulkan | 1.2 | 1.2 |
| Shader model | 6.3 | 6.5 |
