AMD Radeon HD 7970M vs AMD Radeon Pro 560
Processeur graphique
| Nom du GPU | Wimbledon | Polaris 21 |
|---|---|---|
| GPU variant | Wimbledon XT (216-0836036) | Polaris 21 XT (215-0908004) |
| Architecture | GCN 1.0 | GCN 4.0 |
| Fonderie | TSMC | GlobalFoundries |
| Taille du processus | 28 nm | 14 nm |
| Transistors | 2,800 million | 3,000 million |
| Taille des matrices | 212 mm² | 123 mm² |
Graphiques mobiles
| Date de publication | Apr 24th, 2012 | Apr 18th, 2017 |
|---|---|---|
| Génération | London (HD 7900M) | Radeon Pro Mac (500 Series) |
| Production | End-of-life | Active |
| Bus interface | MXM-B (3.0) | PCIe 3.0 x8 |
| Prédécesseur | Vancouver | — |
| Successeur | Solar System | — |
Vitesse clock
| GPU clock | 850 MHz | 907 MHz |
|---|---|---|
| Mémoire clock | 1200 MHz 4.8 Gbps effective | 1270 MHz 5.1 Gbps effective |
Mémoire
| Taille de la mémoire | 2 GB | 4 GB |
|---|---|---|
| Type de mémoire | GDDR5 | GDDR5 |
| Bus mémoire | 256 bit | 128 bit |
| Bande passante | 153.6 GB/s | 81.28 GB/s |
Render Config
| Shading units | 1280 | 1024 |
|---|---|---|
| TMUs | 80 | 64 |
| ROPs | 32 | 16 |
| Compute units | 20 | 16 |
| Cache L1 | 16 KB (per CU) | 16 KB (per CU) |
| Cache L2 | 512 KB | 1024 KB |
Performance théorique
| Taux de pixel | 27.20 GPixel/s | 14.51 GPixel/s |
|---|---|---|
| Taux de texture | 68.00 GTexel/s | 58.05 GTexel/s |
| FP32 (float) performance | 2.176 TFLOPS | 1.858 TFLOPS |
| FP64 (double) performance | 136.0 GFLOPS (1:16) | 116.1 GFLOPS (1:16) |
| FP16 (half) performance | — | 1.858 TFLOPS (1:1) |
Board Design
| Taille Slot | MXM Module | IGP |
|---|---|---|
| TDP | 100 W | 75 W |
| Sorties | No outputs | No outputs |
| Connecteurs de puissance | None | None |
| Board number | C429 | — |
Caractéristiques graphiques
| DirectX | 12 (11_1) | 12 (12_0) |
|---|---|---|
| OpenGL | 4.6 | 4.6 |
| OpenCL | 1.2 | 2.1 |
| Vulkan | 1.2 | 1.2 |
| Shader model | 5.1 | 6.4 |
