AMD Radeon RX Vega M GL vs NVIDIA GeForce GTX 780M Mac Edition
Processeur graphique
| Nom du GPU | Polaris 22 | GK104 |
|---|---|---|
| GPU variant | VegaM XL (D715A714) | N14E-GTX-A2 |
| Architecture | GCN 4.0 | Kepler |
| Fonderie | GlobalFoundries | TSMC |
| Taille du processus | 14 nm | 28 nm |
| Transistors | 5,000 million | 3,540 million |
| Taille des matrices | 208 mm² | 294 mm² |
Graphiques mobiles
| Date de publication | Feb 1st, 2018 | Nov 8th, 2013 |
|---|---|---|
| Génération | Vega (Vega M) | GeForce 700M |
| Production | Active | End-of-life |
| Bus interface | IGP | MXM-B (3.0) |
| Prédécesseur | — | GeForce 600M |
| Successeur | — | GeForce 800M |
Vitesse clock
| Base clock | 931 MHz | 771 MHz |
|---|---|---|
| Boost clock | 1011 MHz | 797 MHz |
| Mémoire clock | 700 MHz 1400 Mbps effective | 1250 MHz 5 Gbps effective |
Mémoire
| Taille de la mémoire | 4 GB | 4 GB |
|---|---|---|
| Type de mémoire | HBM2 | GDDR5 |
| Bus mémoire | 1024 bit | 256 bit |
| Bande passante | 179.2 GB/s | 160.0 GB/s |
Render Config
| Shading units | 1280 | 1536 |
|---|---|---|
| TMUs | 80 | 128 |
| ROPs | 32 | 32 |
| Compute units | 20 | — |
| Cache L1 | 16 KB (per CU) | 16 KB (per SMX) |
| Cache L2 | 1024 KB | 512 KB |
| Comptage SMX | — | 8 |
Performance théorique
| Taux de pixel | 32.35 GPixel/s | 25.50 GPixel/s |
|---|---|---|
| Taux de texture | 80.88 GTexel/s | 102.0 GTexel/s |
| FP16 (half) performance | 2.588 TFLOPS (1:1) | — |
| FP32 (float) performance | 2.588 TFLOPS | 2.448 TFLOPS |
| FP64 (double) performance | 161.8 GFLOPS (1:16) | 102.0 GFLOPS (1:24) |
Board Design
| Taille Slot | IGP | MXM Module |
|---|---|---|
| TDP | 65 W | 122 W |
| Sorties | No outputs | No outputs |
| Board number | D136 | — |
Caractéristiques graphiques
| DirectX | 12 (12_0) | 12 (11_0) |
|---|---|---|
| OpenGL | 4.6 | 4.6 |
| OpenCL | 2.1 | 3.0 |
| Vulkan | 1.2 | 1.1 |
| Shader model | 6.4 | 5.1 |
| CUDA | — | 3.0 |
