Nom du GPU | Vega 20 | Vega 20 |
---|---|---|
GPU variant | Vega 20 XT | Vega 20 XT |
Architecture | GCN 5.1 | GCN 5.1 |
Fonderie | TSMC | TSMC |
Taille du processus | 7 nm | 7 nm |
Transistors | 13,230 million | 13,230 million |
Taille des matrices | 331 mm² | 331 mm² |
Date de publication | Jun 3rd, 2019 | Feb 7th, 2019 |
---|---|---|
Génération | Radeon Pro Mac | Vega II |
Production | Active | Active |
Bus interface | PCIe 3.0 x16 | PCIe 3.0 x16 |
Prix de lancement | — | 699 USD |
Prix courant | — | Amazon / Newegg |
Prédécesseur | — | Vega |
Successeur | — | Navi |
Base clock | 1574 MHz | 1400 MHz |
---|---|---|
Boost clock | 1720 MHz | 1750 MHz |
Mémoire clock | 806 MHz 1612 Mbps effective | 1000 MHz 2 Gbps effective |
Peak clock | — | 1802 MHz |
Taille de la mémoire | 32 GB | 16 GB |
---|---|---|
Type de mémoire | HBM2 | HBM2 |
Bus mémoire | 4096 bit | 4096 bit |
Bande passante | 825.3 GB/s | 1,024 GB/s |
Shading units | 4096 | 3840 |
---|---|---|
TMUs | 256 | 240 |
ROPs | 64 | 64 |
Compute units | 64 | 60 |
Cache L1 | 16 KB (per CU) | 16 KB (per CU) |
Cache L2 | 4 MB | 4 MB |
Taux de pixel | 110.1 GPixel/s | 112.0 GPixel/s |
---|---|---|
Taux de texture | 440.3 GTexel/s | 420.0 GTexel/s |
FP16 (half) performance | 28.18 TFLOPS (2:1) | 26.88 TFLOPS (2:1) |
FP32 (float) performance | 14.09 TFLOPS | 13.44 TFLOPS |
FP64 (double) performance | 880.6 GFLOPS (1:16) | 3.360 TFLOPS (1:4) |
Taille Slot | Quad-slot | Dual-slot |
---|---|---|
TDP | 475 W | 295 W |
Suggestions pour le PSU | 850 W | 600 W |
Sorties | 1x HDMI4x Thunderbolt | 1x HDMI3x DisplayPort |
Connecteurs de puissance | None | 2x 8-pin |
Board number | MW672ZM/A | 109-D36037-00_04 |
Longueur | — | 280 mm 11 inches |
Taille | — | 125 mm 4.9 inches |
Taille | — | 40 mm 1.6 inches |
gpu.details.bios-number | — | 113-D3600200-105 |
DirectX | 12 (12_1) | 12 (12_1) |
---|---|---|
OpenGL | 4.6 | 4.6 |
OpenCL | 2.1 | 2.1 |
Vulkan | 1.2 | 1.2 |
Shader model | 6.4 | 6.4 |