Nom du GPU | Lexa | RS780 |
---|---|---|
GPU variant | Lexa PRO (215-0904018) | RS780M |
Architecture | GCN 4.0 | TeraScale |
Fonderie | GlobalFoundries | — |
Taille du processus | 14 nm | 65 nm |
Transistors | 2,200 million | 180 million |
Taille des matrices | 103 mm² | 85 mm² |
Date de publication | Apr 20th, 2017 | — |
---|---|---|
Génération | Polaris | — |
Production | End-of-life | — |
Prix de lancement | 79 USD | — |
Bus interface | PCIe 3.0 x8 | — |
Prédécesseur | Arctic Islands | — |
Successeur | Vega | — |
Base clock | 1100 MHz | — |
---|---|---|
Boost clock | 1183 MHz | — |
Mémoire clock | 1750 MHz 7 Gbps effective | System Shared |
GPU clock | — | 350 MHz |
Taille de la mémoire | 2 GB | System Shared |
---|---|---|
Type de mémoire | GDDR5 | System Shared |
Bus mémoire | 128 bit | System Shared |
Bande passante | 112.0 GB/s | System Dependent |
Shading units | 512 | 40 |
---|---|---|
TMUs | 32 | 4 |
ROPs | 16 | 4 |
Compute units | 8 | 2 |
Cache L1 | 16 KB (per CU) | — |
Cache L2 | 512 KB | — |
Taux de pixel | 18.93 GPixel/s | 1.400 GPixel/s |
---|---|---|
Taux de texture | 37.86 GTexel/s | 1.400 GTexel/s |
FP16 (half) performance | 1,211 GFLOPS (1:1) | — |
FP32 (float) performance | 1,211 GFLOPS | 28.00 GFLOPS |
FP64 (double) performance | 75.71 GFLOPS (1:16) | — |
Taille Slot | Dual-slot | IGP |
---|---|---|
Longueur | 145 mm 5.7 inches | — |
TDP | 50 W | unknown |
Suggestions pour le PSU | 250 W | — |
Sorties | 1x DVI1x HDMI1x DisplayPort | No outputs |
Connecteurs de puissance | None | None |
Board number | D090-01 | — |
DirectX | 12 (12_0) | 10.0 (10_0) |
---|---|---|
OpenGL | 4.6 | 3.3 |
OpenCL | 2.1 | 1.0 |
Vulkan | 1.2 | — |
Shader model | 6.4 | 4.1 |
Date de publication | — | Aug 15th, 2008 |
---|---|---|
Génération | — | Radeon IGP (Mobility HD 3000) |
Production | — | End-of-life |
Bus interface | — | PCIe 1.0 x16 |