AMD Radeon HD 6970M Mac Edition vs NVIDIA GeForce MX150
Processeur graphique
| Nom du GPU | Blackcomb | GP108 |
|---|---|---|
| GPU variant | Blackcomb XT (216-0811000) | GP108-650-A1 (N17S-G1-A1) |
| Architecture | TeraScale 2 | Pascal |
| Fonderie | TSMC | Samsung |
| Taille du processus | 40 nm | 14 nm |
| Transistors | 1,700 million | 1,800 million |
| Taille des matrices | 212 mm² | 74 mm² |
Graphiques mobiles
| Date de publication | Aug 25th, 2011 | May 17th, 2017 |
|---|---|---|
| Génération | Vancouver (HD 6900M) | GeForce MX (1xx) |
| Production | End-of-life | End-of-life |
| Bus interface | MXM-B (3.0) | PCIe 3.0 x4 |
| Prédécesseur | Manhattan | — |
| Successeur | London | — |
Vitesse clock
| GPU clock | 680 MHz | — |
|---|---|---|
| Mémoire clock | 900 MHz 3.6 Gbps effective | 1502 MHz 6 Gbps effective |
| Base clock | — | 1469 MHz |
| Boost clock | — | 1532 MHz |
Mémoire
| Taille de la mémoire | 2 GB | 2 GB |
|---|---|---|
| Type de mémoire | GDDR5 | GDDR5 |
| Bus mémoire | 256 bit | 64 bit |
| Bande passante | 115.2 GB/s | 48.06 GB/s |
Render Config
| Shading units | 960 | 384 |
|---|---|---|
| TMUs | 48 | 24 |
| ROPs | 32 | 16 |
| Compute units | 12 | — |
| Cache L1 | 8 KB (per CU) | 48 KB (per SM) |
| Cache L2 | 512 KB | 512 KB |
| Comptage SM | — | 3 |
Performance théorique
| Taux de pixel | 21.76 GPixel/s | 24.51 GPixel/s |
|---|---|---|
| Taux de texture | 32.64 GTexel/s | 36.77 GTexel/s |
| FP32 (float) performance | 1,306 GFLOPS | 1,177 GFLOPS |
| FP16 (half) performance | — | 18.38 GFLOPS (1:64) |
| FP64 (double) performance | — | 36.77 GFLOPS (1:32) |
Board Design
| Taille Slot | MXM Module | IGP |
|---|---|---|
| TDP | 75 W | 25 W |
| Sorties | No outputs | No outputs |
| Connecteurs de puissance | None | None |
| Board number | C296 | E2902 SKU 0 |
Caractéristiques graphiques
| DirectX | 11.2 (11_0) | 12 (12_1) |
|---|---|---|
| OpenGL | 4.4 | 4.6 |
| OpenCL | 1.2 | 3.0 |
| Vulkan | — | 1.2 |
| Shader model | 5.0 | 6.4 |
| CUDA | — | 6.1 |
