Nom du GPU | Amethyst | Navi 14 |
---|---|---|
GPU variant | Amethyst PRO (216-0872004) | Navi 14 XLM |
Architecture | GCN 3.0 | RDNA 1.0 |
Fonderie | TSMC | TSMC |
Taille du processus | 28 nm | 7 nm |
Transistors | 5,000 million | 6,400 million |
Taille des matrices | 366 mm² | 158 mm² |
Date de publication | May 5th, 2015 | Nov 13th, 2019 |
---|---|---|
Génération | Crystal System (R9 M300) | Mobility Radeon (Navi) |
Production | End-of-life | Active |
Bus interface | MXM-B (3.0) | PCIe 4.0 x8 |
Prédécesseur | Solar System | Crystal System |
Successeur | Mobility Radeon | Mobility Radeon |
GPU clock | 834 MHz | — |
---|---|---|
Mémoire clock | 1365 MHz 5.5 Gbps effective | 1750 MHz 14 Gbps effective |
Base clock | — | 1000 MHz |
Game clock | — | 1181 MHz |
Boost clock | — | 1445 MHz |
Taille de la mémoire | 2 GB | 3 GB |
---|---|---|
Type de mémoire | GDDR5 | GDDR6 |
Bus mémoire | 256 bit | 96 bit |
Bande passante | 174.7 GB/s | 168.0 GB/s |
Shading units | 1792 | 1408 |
---|---|---|
TMUs | 112 | 88 |
ROPs | 32 | 32 |
Compute units | 28 | 22 |
Cache L2 | — | 2 MB |
Taux de pixel | 26.69 GPixel/s | 46.24 GPixel/s |
---|---|---|
Taux de texture | 93.41 GTexel/s | 127.2 GTexel/s |
FP32 (float) performance | 2.989 TFLOPS | 4.069 TFLOPS |
FP64 (double) performance | 373.6 GFLOPS (1:8) | 254.3 GFLOPS (1:16) |
FP16 (half) performance | — | 8.138 TFLOPS (2:1) |
Taille Slot | MXM Module | — |
---|---|---|
TDP | 250 W | 85 W |
Sorties | No outputs | No outputs |
Connecteurs de puissance | None | None |
DirectX | 12 (12_0) | 12 (12_1) |
---|---|---|
OpenGL | 4.6 | 4.6 |
OpenCL | 2.0 | 2.1 |
Vulkan | 1.2 | 1.2 |
Shader model | 6.3 | 6.5 |