AMD Radeon Instinct MI8 vs AMD Radeon R9 M395X Mac Edition
Processeur graphique
| Nom du GPU | Fiji | Amethyst |
|---|---|---|
| GPU variant | Fiji XT | Amethyst XT |
| Architecture | GCN 3.0 | GCN 3.0 |
| Fonderie | TSMC | TSMC |
| Taille du processus | 28 nm | 28 nm |
| Transistors | 8,900 million | 5,000 million |
| Taille des matrices | 596 mm² | 366 mm² |
Carte graphique
| Date de publication | Dec 12th, 2016 | — |
|---|---|---|
| Génération | Radeon Instinct | — |
| Production | End-of-life | — |
| Bus interface | PCIe 3.0 x16 | — |
Vitesse clock
| GPU clock | 1000 MHz | 909 MHz |
|---|---|---|
| Mémoire clock | 500 MHz 1000 Mbps effective | 1365 MHz 5.5 Gbps effective |
Mémoire
| Taille de la mémoire | 4 GB | 4 GB |
|---|---|---|
| Type de mémoire | HBM | GDDR5 |
| Bus mémoire | 4096 bit | 256 bit |
| Bande passante | 512.0 GB/s | 174.7 GB/s |
Render Config
| Shading units | 4096 | 2048 |
|---|---|---|
| TMUs | 256 | 128 |
| ROPs | 64 | 32 |
| Compute units | 64 | 32 |
| Cache L1 | 16 KB (per CU) | 16 KB (per CU) |
| Cache L2 | 2 MB | 512 KB |
Performance théorique
| Taux de pixel | 64.00 GPixel/s | 29.09 GPixel/s |
|---|---|---|
| Taux de texture | 256.0 GTexel/s | 116.4 GTexel/s |
| FP16 (half) performance | 8.192 TFLOPS (1:1) | 3.723 TFLOPS (1:1) |
| FP32 (float) performance | 8.192 TFLOPS | 3.723 TFLOPS |
| FP64 (double) performance | 512.0 GFLOPS (1:16) | 232.7 GFLOPS (1:16) |
Board Design
| Taille Slot | Dual-slot | MXM Module |
|---|---|---|
| Longueur | 152 mm 6 inches | — |
| Taille | 111 mm 4.4 inches | — |
| TDP | 175 W | 250 W |
| Suggestions pour le PSU | 450 W | — |
| Sorties | No outputs | No outputs |
| Connecteurs de puissance | 1x 8-pin | None |
Caractéristiques graphiques
| DirectX | 12 (12_0) | 12 (12_0) |
|---|---|---|
| OpenGL | 4.6 | 4.6 |
| OpenCL | 2.0 | 2.0 |
| Vulkan | 1.2 | 1.2 |
| Shader model | 6.3 | 6.3 |
AUTRES CARACTÉRISTIQUES
Graphiques mobiles
| Date de publication | — | May 5th, 2015 |
|---|---|---|
| Génération | — | Crystal System (R9 M300) |
| Production | — | End-of-life |
| Bus interface | — | MXM-B (3.0) |
| Prédécesseur | — | Solar System |
| Successeur | — | Mobility Radeon |
