Nom du GPU | Lexa | Polaris 20 |
---|---|---|
GPU variant | Lexa PRO (215-0904018) | Polaris 20 XL (215-0910052) |
Architecture | GCN 4.0 | GCN 4.0 |
Fonderie | GlobalFoundries | GlobalFoundries |
Taille du processus | 14 nm | 14 nm |
Transistors | 2,200 million | 5,700 million |
Taille des matrices | 103 mm² | 232 mm² |
Date de publication | Nov 11th, 2017 | — |
---|---|---|
Génération | Mobility Radeon (RX M500) | — |
Production | End-of-life | — |
Bus interface | PCIe 3.0 x8 | — |
Prédécesseur | Crystal System | — |
Base clock | 1124 MHz | 1168 MHz |
---|---|---|
Boost clock | 1219 MHz | 1244 MHz |
Mémoire clock | 1500 MHz 6 Gbps effective | 1750 MHz 7 Gbps effective |
Taille de la mémoire | 2 GB | 8 GB |
---|---|---|
Type de mémoire | GDDR5 | GDDR5 |
Bus mémoire | 128 bit | 256 bit |
Bande passante | 96.00 GB/s | 224.0 GB/s |
Shading units | 512 | 2048 |
---|---|---|
TMUs | 32 | 128 |
ROPs | 16 | 32 |
Compute units | 8 | 32 |
Cache L1 | 16 KB (per CU) | 16 KB (per CU) |
Cache L2 | 512 KB | 2 MB |
Taux de pixel | 19.50 GPixel/s | 39.81 GPixel/s |
---|---|---|
Taux de texture | 39.01 GTexel/s | 159.2 GTexel/s |
FP16 (half) performance | 1,248 GFLOPS (1:1) | 5.095 TFLOPS (1:1) |
FP32 (float) performance | 1,248 GFLOPS | 5.095 TFLOPS |
FP64 (double) performance | 78.02 GFLOPS (1:16) | 318.5 GFLOPS (1:16) |
Taille Slot | IGP | Dual-slot |
---|---|---|
TDP | 50 W | 150 W |
Sorties | No outputs | 1x DVI1x HDMI3x DisplayPort |
Connecteurs de puissance | None | 1x 6-pin |
Longueur | — | 241 mm 9.5 inches |
Suggestions pour le PSU | — | 450 W |
Board number | — | 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 | — | Apr 11th, 2018 |
---|---|---|
Génération | — | Polaris |
Production | — | Active |
Bus interface | — | PCIe 3.0 x16 |
Prédécesseur | — | Polaris |
Successeur | — | Vega |