Nom du GPU | Baffin | Polaris 20 |
---|---|---|
GPU variant | Baffin PRO | Polaris 20 XTX (215-0910038) |
Architecture | GCN 4.0 | GCN 4.0 |
Fonderie | GlobalFoundries | GlobalFoundries |
Taille du processus | 14 nm | 14 nm |
Transistors | 3,000 million | 5,700 million |
Taille des matrices | 123 mm² | 232 mm² |
Date de publication | Aug 8th, 2016 | Apr 18th, 2017 |
---|---|---|
Génération | Arctic Islands | Polaris |
Production | Active | Active |
Bus interface | PCIe 3.0 x8 | PCIe 3.0 x16 |
Prédécesseur | Pirate Islands | Arctic Islands |
Successeur | Polaris | Vega |
Prix de lancement | — | 229 USD |
Prix courant | — | Amazon / Newegg |
Critiques | — | 52 in our database |
Base clock | 1090 MHz | 1257 MHz |
---|---|---|
Boost clock | 1200 MHz | 1340 MHz |
Mémoire clock | 1750 MHz 7 Gbps effective | 2000 MHz 8 Gbps effective |
Taille de la mémoire | 2 GB | 8 GB |
---|---|---|
Type de mémoire | GDDR5 | GDDR5 |
Bus mémoire | 128 bit | 256 bit |
Bande passante | 112.0 GB/s | 256.0 GB/s |
Shading units | 896 | 2304 |
---|---|---|
TMUs | 56 | 144 |
ROPs | 16 | 32 |
Compute units | 14 | 36 |
Cache L1 | 16 KB (per CU) | 16 KB (per CU) |
Cache L2 | 1024 KB | 2 MB |
Taux de pixel | 19.20 GPixel/s | 42.88 GPixel/s |
---|---|---|
Taux de texture | 67.20 GTexel/s | 193.0 GTexel/s |
FP16 (half) performance | 2.150 TFLOPS (1:1) | 6.175 TFLOPS (1:1) |
FP32 (float) performance | 2.150 TFLOPS | 6.175 TFLOPS |
FP64 (double) performance | 134.4 GFLOPS (1:16) | 385.9 GFLOPS (1:16) |
Taille Slot | Dual-slot | Dual-slot |
---|---|---|
Longueur | 170 mm 6.7 inches | 241 mm 9.5 inches |
TDP | 75 W | 185 W |
Suggestions pour le PSU | 250 W | 450 W |
Sorties | 1x DVI1x HDMI1x DisplayPort | 1x HDMI3x DisplayPort |
Connecteurs de puissance | None | 1x 8-pin |
Board number | C994 | C940, D009-04 |
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 |