Nom du GPU | Baffin | Polaris 21 |
---|---|---|
GPU variant | Baffin XT | Polaris 21 XL |
Architecture | GCN 4.0 | GCN 4.0 |
Fonderie | GlobalFoundries | GlobalFoundries |
Taille du processus | 14 nm | 14 nm |
Transistors | 3,000 million | 3,000 million |
Taille des matrices | 123 mm² | 123 mm² |
Date de publication | Nov 10th, 2016 | Jul 4th, 2017 |
---|---|---|
Génération | Radeon Pro | Polaris |
Production | Active | Active |
Prix de lancement | 399 USD | — |
Bus interface | PCIe 3.0 x8 | PCIe 3.0 x8 |
Prédécesseur | — | Arctic Islands |
Successeur | — | Vega |
Base clock | 1125 MHz | 1090 MHz |
---|---|---|
Boost clock | 1201 MHz | 1175 MHz |
Mémoire clock | 1500 MHz 6 Gbps effective | 1750 MHz 7 Gbps effective |
Taille de la mémoire | 4 GB | 4 GB |
---|---|---|
Type de mémoire | GDDR5 | GDDR5 |
Bus mémoire | 128 bit | 128 bit |
Bande passante | 96.00 GB/s | 112.0 GB/s |
Shading units | 1024 | 896 |
---|---|---|
TMUs | 64 | 56 |
ROPs | 16 | 16 |
Compute units | 16 | 14 |
Cache L1 | 16 KB (per CU) | 16 KB (per CU) |
Cache L2 | 1024 KB | 1024 KB |
Taux de pixel | 19.22 GPixel/s | 18.80 GPixel/s |
---|---|---|
Taux de texture | 76.86 GTexel/s | 65.80 GTexel/s |
FP16 (half) performance | 2.460 TFLOPS (1:1) | 2.106 TFLOPS (1:1) |
FP32 (float) performance | 2.460 TFLOPS | 2.106 TFLOPS |
FP64 (double) performance | 153.7 GFLOPS (1:16) | 131.6 GFLOPS (1:16) |
Taille Slot | Single-slot | Dual-slot |
---|---|---|
Longueur | 168 mm 6.6 inches | 170 mm 6.7 inches |
Taille | 69 mm 2.7 inches | — |
TDP | 50 W | 45 W |
Suggestions pour le PSU | 250 W | 200 W |
Sorties | 4x mini-DisplayPort | 1x DVI1x HDMI1x DisplayPort |
Connecteurs de puissance | None | None |
Board number | D015 | C981-21 C994-71 |
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 |