AMD Radeon Instinct MI250 vs AMD Radeon R9 M295X Mac Edition
Processeur graphique
| Nom du GPU | Aldebaran | Amethyst |
|---|---|---|
| GPU variant | Aldebaran | Amethyst XT |
| Architecture | CDNA 2.0 | GCN 3.0 |
| Fonderie | TSMC | TSMC |
| Taille du processus | 6 nm | 28 nm |
| Transistors | 58,200 million | 5,000 million |
| Taille des matrices | unknown | 366 mm² |
Carte graphique
| Date de publication | Nov 8th, 2021 | — |
|---|---|---|
| Génération | Radeon Instinct | — |
| Production | Active | — |
| Bus interface | PCIe 4.0 x16 | — |
Vitesse clock
| Base clock | 1000 MHz | — |
|---|---|---|
| Boost clock | 1700 MHz | — |
| Mémoire clock | 1600 MHz 3.2 Gbps effective | 1362 MHz 5.4 Gbps effective |
| GPU clock | — | 850 MHz |
Mémoire
| Taille de la mémoire | 128 GB | 4 GB |
|---|---|---|
| Type de mémoire | HBM2e | GDDR5 |
| Bus mémoire | 8192 bit | 256 bit |
| Bande passante | 3,277 GB/s | 174.3 GB/s |
Render Config
| Shading units | 13312 | 2048 |
|---|---|---|
| TMUs | 832 | 128 |
| ROPs | 0 | 32 |
| Compute units | 208 | 32 |
| Cache L1 | 16 KB (per CU) | 16 KB (per CU) |
| Cache L2 | 16 MB | 512 KB |
| gpu.details.mcm | 2 | — |
Performance théorique
| Taux de pixel | 0 MPixel/s | 27.20 GPixel/s |
|---|---|---|
| Taux de texture | 1,414 GTexel/s | 108.8 GTexel/s |
| FP16 (half) performance | 362.1 TFLOPS (8:1) | 3.482 TFLOPS (1:1) |
| FP32 (float) performance | 45.26 TFLOPS | 3.482 TFLOPS |
| FP64 (double) performance | 45.26 TFLOPS (1:1) | 217.6 GFLOPS (1:16) |
Board Design
| Taille Slot | Dual-slot | MXM Module |
|---|---|---|
| Longueur | 267 mm 10.5 inches | — |
| Taille | 111 mm 4.4 inches | — |
| TDP | 500 W | 250 W |
| Suggestions pour le PSU | 900 W | — |
| Sorties | No outputs | No outputs |
| Connecteurs de puissance | 2x 8-pin | — |
Caractéristiques graphiques
| DirectX | — | 12 (12_0) |
|---|---|---|
| OpenGL | — | 4.6 |
| OpenCL | 3.0 | 2.0 |
| Vulkan | — | 1.2 |
| Shader model | — | 6.3 |
AUTRES CARACTÉRISTIQUES
Graphiques mobiles
| Date de publication | — | Nov 23rd, 2014 |
|---|---|---|
| Génération | — | Crystal System (R9 M200) |
| Production | — | End-of-life |
| Bus interface | — | MXM-B (3.0) |
| Prédécesseur | — | Solar System |
| Successeur | — | Mobility Radeon |
