AMD Radeon Pro 450 vs AMD Radeon R9 M380 Mac Edition
Processeur graphique
| Nom du GPU | Baffin | Strato |
|---|---|---|
| GPU variant | Baffin LE | Strato PRO |
| Architecture | GCN 4.0 | GCN 2.0 |
| Fonderie | GlobalFoundries | TSMC |
| Taille du processus | 14 nm | 28 nm |
| Transistors | 3,000 million | 2,080 million |
| Taille des matrices | 123 mm² | 160 mm² |
Graphiques mobiles
| Date de publication | Oct 30th, 2016 | May 5th, 2015 |
|---|---|---|
| Génération | Radeon Pro Mac (400 Series) | Crystal System (R9 M300) |
| Production | Active | End-of-life |
| Bus interface | PCIe 3.0 x8 | PCIe 3.0 x16 |
| Prédécesseur | — | Solar System |
| Successeur | — | Mobility Radeon |
Vitesse clock
| GPU clock | 800 MHz | — |
|---|---|---|
| Mémoire clock | 1270 MHz 5.1 Gbps effective | 1568 MHz 6.3 Gbps effective |
| Base clock | — | 900 MHz |
| Boost clock | — | 1021 MHz |
Mémoire
| Taille de la mémoire | 2 GB | 2 GB |
|---|---|---|
| Type de mémoire | GDDR5 | GDDR5 |
| Bus mémoire | 128 bit | 128 bit |
| Bande passante | 81.28 GB/s | 100.4 GB/s |
Render Config
| Shading units | 640 | 768 |
|---|---|---|
| TMUs | 40 | 48 |
| ROPs | 16 | 16 |
| Compute units | 10 | 12 |
| Cache L1 | 16 KB (per CU) | 16 KB (per CU) |
| Cache L2 | 1024 KB | 256 KB |
Performance théorique
| Taux de pixel | 12.80 GPixel/s | 16.34 GPixel/s |
|---|---|---|
| Taux de texture | 32.00 GTexel/s | 49.01 GTexel/s |
| FP16 (half) performance | 1,024 GFLOPS (1:1) | — |
| FP32 (float) performance | 1,024 GFLOPS | 1.568 TFLOPS |
| FP64 (double) performance | 64.00 GFLOPS (1:16) | 98.02 GFLOPS (1:16) |
Board Design
| Taille Slot | MXM Module | — |
|---|---|---|
| TDP | 35 W | unknown |
| Sorties | No outputs | No outputs |
Caractéristiques graphiques
| DirectX | 12 (12_0) | 12 (12_0) |
|---|---|---|
| OpenGL | 4.6 | 4.6 |
| OpenCL | 2.1 | 2.0 |
| Vulkan | 1.2 | 1.2 |
| Shader model | 6.4 | 6.3 |
