Nom du GPU | Polaris 21 | Polaris 21 |
---|---|---|
GPU variant | Polaris 21 XT (215-0908004) | Polaris 21 XT (215-0908004) |
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 | Jul 16th, 2018 | — |
---|---|---|
Génération | Radeon Pro Mac (500X Series) | — |
Production | Active | — |
Bus interface | PCIe 3.0 x8 | — |
GPU clock | 1004 MHz | — |
---|---|---|
Mémoire clock | 1470 MHz 5.9 Gbps effective | 1750 MHz 7 Gbps effective |
Base clock | — | 1175 MHz |
Boost clock | — | 1275 MHz |
Taille de la mémoire | 4 GB | 4 GB |
---|---|---|
Type de mémoire | GDDR5 | GDDR5 |
Bus mémoire | 128 bit | 128 bit |
Bande passante | 94.08 GB/s | 112.0 GB/s |
Shading units | 1024 | 1024 |
---|---|---|
TMUs | 64 | 64 |
ROPs | 16 | 16 |
Compute units | 16 | 16 |
Cache L1 | 16 KB (per CU) | 16 KB (per CU) |
Cache L2 | 1024 KB | 1024 KB |
Taux de pixel | 16.06 GPixel/s | 20.40 GPixel/s |
---|---|---|
Taux de texture | 64.26 GTexel/s | 81.60 GTexel/s |
FP16 (half) performance | 2.056 TFLOPS (1:1) | 2.611 TFLOPS (1:1) |
FP32 (float) performance | 2.056 TFLOPS | 2.611 TFLOPS |
FP64 (double) performance | 128.5 GFLOPS (1:16) | 163.2 GFLOPS (1:16) |
Taille Slot | IGP | Dual-slot |
---|---|---|
TDP | 75 W | 75 W |
Sorties | No outputs | 1x DVI1x HDMI1x DisplayPort |
Connecteurs de puissance | None | None |
Longueur | — | 170 mm 6.7 inches |
Suggestions pour le PSU | — | 250 W |
Board number | — | C994 |
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 | — | Apr 18th, 2017 |
---|---|---|
Génération | — | Polaris |
Production | — | Active |
Prix de lancement | — | 99 USD |
Bus interface | — | PCIe 3.0 x8 |
Prédécesseur | — | Arctic Islands |
Successeur | — | Vega |