Nom du GPU | Vega 20 | Curacao |
---|---|---|
GPU variant | Vega 20 GL | Curacao XT (215-0848004) |
Architecture | GCN 5.1 | GCN 1.0 |
Fonderie | TSMC | TSMC |
Taille du processus | 7 nm | 28 nm |
Transistors | 13,230 million | 2,800 million |
Taille des matrices | 331 mm² | 212 mm² |
Date de publication | Nov 18th, 2018 | Oct 8th, 2013 |
---|---|---|
Génération | Radeon Instinct | Volcanic Islands |
Production | Active | End-of-life |
Bus interface | PCIe 4.0 x16 | PCIe 3.0 x16 |
Prix de lancement | — | 199 USD |
Critiques | — | 90 in our database |
Prédécesseur | — | Sea Islands |
Successeur | — | Pirate Islands |
Base clock | 1200 MHz | 1000 MHz |
---|---|---|
Boost clock | 1800 MHz | 1050 MHz |
Mémoire clock | 1000 MHz 2 Gbps effective | 1400 MHz 5.6 Gbps effective |
Taille de la mémoire | 32 GB | 2 GB |
---|---|---|
Type de mémoire | HBM2 | GDDR5 |
Bus mémoire | 4096 bit | 256 bit |
Bande passante | 1,024 GB/s | 179.2 GB/s |
Shading units | 4096 | 1280 |
---|---|---|
TMUs | 256 | 80 |
ROPs | 64 | 32 |
Compute units | 64 | 20 |
Cache L1 | 16 KB (per CU) | 16 KB (per CU) |
Cache L2 | 4 MB | 512 KB |
Taux de pixel | 115.2 GPixel/s | 33.60 GPixel/s |
---|---|---|
Taux de texture | 460.8 GTexel/s | 84.00 GTexel/s |
FP16 (half) performance | 29.49 TFLOPS (2:1) | — |
FP32 (float) performance | 14.75 TFLOPS | 2.688 TFLOPS |
FP64 (double) performance | 7.373 TFLOPS (1:2) | 168.0 GFLOPS (1:16) |
Taille Slot | Dual-slot | Dual-slot |
---|---|---|
Longueur | 267 mm 10.5 inches | 241 mm 9.5 inches |
Taille | 111 mm 4.4 inches | 109 mm 4.3 inches |
TDP | 300 W | 180 W |
Suggestions pour le PSU | 700 W | 450 W |
Sorties | 1x mini-DisplayPort | 2x DVI1x HDMI1x DisplayPort |
Connecteurs de puissance | 1x 6-pin + 1x 8-pin | 2x 6-pin |
Taille | — | 36 mm 1.4 inches |
Board number | — | C631, C632 |
DirectX | 12 (12_1) | 12 (11_1) |
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OpenGL | 4.6 | 4.6 |
OpenCL | 2.1 | 1.2 |
Vulkan | 1.2 | 1.2 |
Shader model | 6.4 | 5.1 |