Nom du GPU | Lexa | Polaris 23 |
---|---|---|
GPU variant | Lexa PRO (215-0904018) | Polaris 23 XT GL |
Architecture | GCN 4.0 | GCN 4.0 |
Fonderie | GlobalFoundries | GlobalFoundries |
Taille du processus | 14 nm | 14 nm |
Transistors | 2,200 million | 2,200 million |
Taille des matrices | 103 mm² | 103 mm² |
Date de publication | Apr 20th, 2017 | Jul 2nd, 2019 |
---|---|---|
Génération | Polaris | Radeon Pro |
Production | End-of-life | Active |
Prix de lancement | 79 USD | 199 USD |
Bus interface | PCIe 3.0 x8 | PCIe 3.0 x8 |
Prédécesseur | Arctic Islands | — |
Successeur | Vega | — |
Base clock | 1100 MHz | — |
---|---|---|
Boost clock | 1183 MHz | — |
Mémoire clock | 1750 MHz 7 Gbps effective | 1500 MHz 6 Gbps effective |
GPU clock | — | 1295 MHz |
Taille de la mémoire | 2 GB | 4 GB |
---|---|---|
Type de mémoire | GDDR5 | GDDR5 |
Bus mémoire | 64 bit | 128 bit |
Bande passante | 56.00 GB/s | 96.00 GB/s |
Shading units | 512 | 640 |
---|---|---|
TMUs | 32 | 32 |
ROPs | 16 | 16 |
Compute units | 8 | 10 |
Cache L1 | 16 KB (per CU) | 16 KB (per CU) |
Cache L2 | 256 KB | 512 KB |
Taux de pixel | 18.93 GPixel/s | 20.72 GPixel/s |
---|---|---|
Taux de texture | 37.86 GTexel/s | 41.44 GTexel/s |
FP16 (half) performance | 1,211 GFLOPS (1:1) | 1.658 TFLOPS (1:1) |
FP32 (float) performance | 1,211 GFLOPS | 1.658 TFLOPS |
FP64 (double) performance | 75.71 GFLOPS (1:16) | 103.6 GFLOPS (1:16) |
Taille Slot | Dual-slot | Single-slot |
---|---|---|
Longueur | 145 mm 5.7 inches | 167 mm 6.6 inches |
TDP | 50 W | 65 W |
Suggestions pour le PSU | 250 W | 250 W |
Sorties | 1x DVI1x HDMI1x DisplayPort | 4x mini-DisplayPort |
Connecteurs de puissance | None | None |
Board number | D090-01 | — |
Taille | — | 69 mm 2.7 inches |
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 |