Nom du GPU | Polaris 23 | RV770 |
---|---|---|
GPU variant | Polaris 23 MXT | RV770 XT (215-0669049) |
Architecture | GCN 4.0 | TeraScale |
Fonderie | GlobalFoundries | TSMC |
Taille du processus | 14 nm | 55 nm |
Transistors | 2,200 million | 956 million |
Taille des matrices | 103 mm² | 256 mm² |
Date de publication | Apr 11th, 2018 | — |
---|---|---|
Génération | Mobility Radeon (RX M500X) | — |
Production | Active | — |
Bus interface | PCIe 3.0 x8 | — |
Prédécesseur | Crystal System | — |
Base clock | 1100 MHz | — |
---|---|---|
Boost clock | 1176 MHz | — |
Mémoire clock | 1500 MHz 6 Gbps effective | 900 MHz 3.6 Gbps effective |
GPU clock | — | 750 MHz |
Taille de la mémoire | 2 GB | 512 MB |
---|---|---|
Type de mémoire | GDDR5 | GDDR5 |
Bus mémoire | 64 bit | 256 bit |
Bande passante | 48.00 GB/s | 115.2 GB/s |
Shading units | 640 | 800 |
---|---|---|
TMUs | 40 | 40 |
ROPs | 16 | 16 |
Compute units | 10 | 10 |
Cache L1 | 16 KB (per CU) | 16 KB (per CU) |
Cache L2 | 512 KB | 256 KB |
Taux de pixel | 18.82 GPixel/s | 12.00 GPixel/s |
---|---|---|
Taux de texture | 47.04 GTexel/s | 30.00 GTexel/s |
FP16 (half) performance | 1.505 TFLOPS (1:1) | — |
FP32 (float) performance | 1.505 TFLOPS | 1,200 GFLOPS |
FP64 (double) performance | 94.08 GFLOPS (1:16) | 240.0 GFLOPS (1:5) |
Taille Slot | IGP | Dual-slot |
---|---|---|
TDP | 50 W | 150 W |
Sorties | No outputs | 2x DVI1x S-Video |
Connecteurs de puissance | None | 2x 6-pin |
Longueur | — | 241 mm 9.5 inches |
Taille | — | 111 mm 4.4 inches |
Taille | — | 40 mm 1.6 inches |
Suggestions pour le PSU | — | 450 W |
Board number | — | B507-31 |
DirectX | 12 (12_0) | 10.1 (10_1) |
---|---|---|
OpenGL | 4.6 | 3.3 |
OpenCL | 2.1 | 1.1 |
Vulkan | 1.2 | — |
Shader model | 6.4 | 4.1 |
Date de publication | — | Jun 25th, 2008 |
---|---|---|
Génération | — | Radeon R700 |
Production | — | End-of-life |
Prix de lancement | — | 299 USD |
Bus interface | — | PCIe 2.0 x16 |
Critiques | — | 135 in our database |
Prédécesseur | — | Radeon R600 |
Successeur | — | Evergreen |