Nom du GPU | Vega 20 | Ellesmere |
---|---|---|
GPU variant | Vega 20 XT | Ellesmere XT |
Architecture | GCN 5.1 | GCN 4.0 |
Fonderie | TSMC | GlobalFoundries |
Taille du processus | 7 nm | 14 nm |
Transistors | 13,230 million | 5,700 million |
Taille des matrices | 331 mm² | 232 mm² |
Date de publication | Unknown | — |
---|---|---|
Génération | Radeon Pro Mac | — |
Production | Active | — |
Bus interface | PCIe 3.0 x16 | — |
Base clock | 1400 MHz | 1000 MHz |
---|---|---|
Boost clock | 1720 MHz | 1077 MHz |
Mémoire clock | 1000 MHz 2 Gbps effective | 2000 MHz 8 Gbps effective |
Taille de la mémoire | 32 GB | 8 GB |
---|---|---|
Type de mémoire | HBM2 | GDDR5 |
Bus mémoire | 4096 bit | 256 bit |
Bande passante | 1,024 GB/s | 256.0 GB/s |
Shading units | 4096 | 2304 |
---|---|---|
TMUs | 256 | 144 |
ROPs | 64 | 32 |
Compute units | 64 | 36 |
Cache L1 | 16 KB (per CU) | 16 KB (per CU) |
Cache L2 | 4 MB | 2 MB |
Taux de pixel | 110.1 GPixel/s | 34.46 GPixel/s |
---|---|---|
Taux de texture | 440.3 GTexel/s | 155.1 GTexel/s |
FP16 (half) performance | 28.18 TFLOPS (2:1) | 4.963 TFLOPS (1:1) |
FP32 (float) performance | 14.09 TFLOPS | 4.963 TFLOPS |
FP64 (double) performance | 880.6 GFLOPS (1:16) | 310.2 GFLOPS (1:16) |
Taille Slot | Quad-slot | MXM Module |
---|---|---|
TDP | 475 W | 100 W |
Suggestions pour le PSU | 850 W | — |
Sorties | 1x HDMI4x Thunderbolt | No outputs |
Connecteurs de puissance | None | None |
Board number | MW732ZM/A | — |
DirectX | 12 (12_1) | 12 (12_0) |
---|---|---|
OpenGL | 4.6 | 4.6 |
OpenCL | 2.1 | 2.1 |
Vulkan | 1.2 | 1.2 |
Shader model | 6.4 | 6.4 |
Date de publication | — | Aug 4th, 2016 |
---|---|---|
Génération | — | Mobility Radeon (RX M400) |
Production | — | Active |
Bus interface | — | MXM-B (3.0) |
Prédécesseur | — | Crystal System |