Nom du GPU | Ellesmere | Amethyst |
---|---|---|
GPU variant | Ellesmere XT | Amethyst XT |
Architecture | GCN 4.0 | GCN 3.0 |
Fonderie | GlobalFoundries | TSMC |
Taille du processus | 14 nm | 28 nm |
Transistors | 5,700 million | 5,000 million |
Taille des matrices | 232 mm² | 366 mm² |
Date de publication | Dec 12th, 2016 | — |
---|---|---|
Génération | Radeon Instinct | — |
Production | Active | — |
Bus interface | PCIe 3.0 x16 | — |
Base clock | 1120 MHz | — |
---|---|---|
Boost clock | 1233 MHz | — |
Mémoire clock | 1750 MHz 7 Gbps effective | 1250 MHz 5 Gbps effective |
GPU clock | — | 723 MHz |
Taille de la mémoire | 8 GB | 4 GB |
---|---|---|
Type de mémoire | GDDR5 | GDDR5 |
Bus mémoire | 256 bit | 256 bit |
Bande passante | 224.0 GB/s | 160.0 GB/s |
Shading units | 2304 | 2048 |
---|---|---|
TMUs | 144 | 128 |
ROPs | 32 | 32 |
Compute units | 36 | 32 |
Cache L1 | 16 KB (per CU) | 16 KB (per CU) |
Cache L2 | 2 MB | 512 KB |
Taux de pixel | 39.46 GPixel/s | 23.14 GPixel/s |
---|---|---|
Taux de texture | 177.6 GTexel/s | 92.54 GTexel/s |
FP16 (half) performance | 5.682 TFLOPS (1:1) | 2.961 TFLOPS (1:1) |
FP32 (float) performance | 5.682 TFLOPS | 2.961 TFLOPS |
FP64 (double) performance | 355.1 GFLOPS (1:16) | 185.1 GFLOPS (1:16) |
Taille Slot | Single-slot | MXM Module |
---|---|---|
Longueur | 241 mm 9.5 inches | — |
Taille | 111 mm 4.4 inches | — |
TDP | 150 W | 250 W |
Suggestions pour le PSU | 450 W | — |
Sorties | No outputs | No outputs |
Connecteurs de puissance | 1x 6-pin | None |
Board number | D122 | — |
DirectX | 12 (12_0) | 12 (12_0) |
---|---|---|
OpenGL | 4.6 | 4.6 |
OpenCL | 2.1 | 2.0 |
Vulkan | 1.2 | 1.2 |
Shader model | 6.4 | 6.3 |
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 |