Nom du GPU | Polaris 20 | Polaris 22 |
---|---|---|
GPU variant | Polaris 20 XL (215-0910052) | VegaM XT (C7398773) |
Architecture | GCN 4.0 | GCN 4.0 |
Fonderie | GlobalFoundries | GlobalFoundries |
Taille du processus | 14 nm | 14 nm |
Transistors | 5,700 million | 5,000 million |
Taille des matrices | 232 mm² | 208 mm² |
Date de publication | Apr 18th, 2017 | — |
---|---|---|
Génération | Polaris | — |
Production | Active | — |
Prix de lancement | 169 USD | — |
Prix courant | Amazon / Newegg | — |
Bus interface | PCIe 3.0 x16 | — |
Critiques | 29 in our database | — |
Prédécesseur | Arctic Islands | — |
Successeur | Vega | — |
Base clock | 1168 MHz | 1063 MHz |
---|---|---|
Boost clock | 1244 MHz | 1190 MHz |
Mémoire clock | 1750 MHz 7 Gbps effective | 800 MHz 1600 Mbps effective |
Taille de la mémoire | 4 GB | 4 GB |
---|---|---|
Type de mémoire | GDDR5 | HBM2 |
Bus mémoire | 256 bit | 1024 bit |
Bande passante | 224.0 GB/s | 204.8 GB/s |
Shading units | 2048 | 1536 |
---|---|---|
TMUs | 128 | 96 |
ROPs | 32 | 64 |
Compute units | 32 | 24 |
Cache L1 | 16 KB (per CU) | 16 KB (per CU) |
Cache L2 | 2 MB | 1024 KB |
Taux de pixel | 39.81 GPixel/s | 76.16 GPixel/s |
---|---|---|
Taux de texture | 159.2 GTexel/s | 114.2 GTexel/s |
FP16 (half) performance | 5.095 TFLOPS (1:1) | 3.656 TFLOPS (1:1) |
FP32 (float) performance | 5.095 TFLOPS | 3.656 TFLOPS |
FP64 (double) performance | 318.5 GFLOPS (1:16) | 228.5 GFLOPS (1:16) |
Taille Slot | Dual-slot | IGP |
---|---|---|
Longueur | 241 mm 9.5 inches | — |
TDP | 150 W | 100 W |
Suggestions pour le PSU | 450 W | — |
Sorties | 1x DVI1x HDMI3x DisplayPort | No outputs |
Connecteurs de puissance | 1x 6-pin | — |
Board number | C940, D000 | — |
DirectX | 12 (12_0) | 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 | — | Feb 1st, 2018 |
---|---|---|
Génération | — | Vega (Vega M) |
Production | — | Active |
Bus interface | — | IGP |