Nom du GPU | Cape Verde | Polaris 20 |
---|---|---|
GPU variant | Cape Verde PRO MOCHA | Polaris 20 XTX (215-0910038) |
Architecture | GCN 1.0 | GCN 4.0 |
Fonderie | TSMC | GlobalFoundries |
Taille du processus | 28 nm | 14 nm |
Transistors | 1,500 million | 5,700 million |
Taille des matrices | 123 mm² | 232 mm² |
Date de publication | Jul 6th, 2016 | Apr 18th, 2017 |
---|---|---|
Génération | Pirate Islands | Polaris |
Production | End-of-life | Active |
Bus interface | PCIe 3.0 x16 | PCIe 3.0 x16 |
Critiques | 61 in our database | 52 in our database |
Prédécesseur | Volcanic Islands | Arctic Islands |
Successeur | Arctic Islands | Vega |
Prix de lancement | — | 229 USD |
Prix courant | — | Amazon / Newegg |
GPU clock | 800 MHz | — |
---|---|---|
Mémoire clock | 1125 MHz 4.5 Gbps effective | 2000 MHz 8 Gbps effective |
Base clock | — | 1257 MHz |
Boost clock | — | 1340 MHz |
Taille de la mémoire | 2 GB | 8 GB |
---|---|---|
Type de mémoire | GDDR5 | GDDR5 |
Bus mémoire | 128 bit | 256 bit |
Bande passante | 72.00 GB/s | 256.0 GB/s |
Shading units | 512 | 2304 |
---|---|---|
TMUs | 32 | 144 |
ROPs | 16 | 32 |
Compute units | 8 | 36 |
Cache L1 | 16 KB (per CU) | 16 KB (per CU) |
Cache L2 | 256 KB | 2 MB |
Taux de pixel | 12.80 GPixel/s | 42.88 GPixel/s |
---|---|---|
Taux de texture | 25.60 GTexel/s | 193.0 GTexel/s |
FP32 (float) performance | 819.2 GFLOPS | 6.175 TFLOPS |
FP64 (double) performance | 51.20 GFLOPS (1:16) | 385.9 GFLOPS (1:16) |
FP16 (half) performance | — | 6.175 TFLOPS (1:1) |
Taille Slot | Single-slot | Dual-slot |
---|---|---|
Longueur | 168 mm 6.6 inches | 241 mm 9.5 inches |
TDP | 55 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 | — | C940, D009-04 |
DirectX | 12 (11_1) | 12 (12_0) |
---|---|---|
OpenGL | 4.6 | 4.6 |
OpenCL | 1.2 | 2.1 |
Vulkan | 1.2 | 1.2 |
Shader model | 5.1 | 6.4 |