Nom du GPU | Topaz | RV770 |
---|---|---|
GPU variant | Topaz XT (216-0864030) | RV770 LE (215-0669075) |
Architecture | GCN 3.0 | TeraScale |
Fonderie | TSMC | TSMC |
Taille du processus | 28 nm | 55 nm |
Transistors | 1,550 million | 956 million |
Taille des matrices | 125 mm² | 256 mm² |
Date de publication | Jun 11th, 2014 | — |
---|---|---|
Génération | Crystal System (R7 M200) | — |
Production | End-of-life | — |
Bus interface | PCIe 3.0 x8 | — |
Prédécesseur | Solar System | — |
Successeur | Mobility Radeon | — |
Base clock | 940 MHz | — |
---|---|---|
Boost clock | 980 MHz | — |
Mémoire clock | 900 MHz 1800 Mbps effective | 900 MHz 1800 Mbps effective |
GPU clock | — | 575 MHz |
Taille de la mémoire | 2 GB | 512 MB |
---|---|---|
Type de mémoire | DDR3 | GDDR3 |
Bus mémoire | 64 bit | 256 bit |
Bande passante | 14.40 GB/s | 57.60 GB/s |
Shading units | 384 | 640 |
---|---|---|
TMUs | 24 | 32 |
ROPs | 8 | 16 |
Compute units | 6 | 8 |
Cache L1 | 16 KB (per CU) | 16 KB (per CU) |
Cache L2 | 128 KB | 256 KB |
Taux de pixel | 7.840 GPixel/s | 9.200 GPixel/s |
---|---|---|
Taux de texture | 23.52 GTexel/s | 18.40 GTexel/s |
FP16 (half) performance | 752.6 GFLOPS (1:1) | — |
FP32 (float) performance | 752.6 GFLOPS | 736.0 GFLOPS |
FP64 (double) performance | 47.04 GFLOPS (1:16) | 147.2 GFLOPS (1:5) |
TDP | unknown | 95 W |
---|---|---|
Sorties | No outputs | 2x DVI1x S-Video |
Board number | C720 | B501-31 |
Taille Slot | — | Single-slot |
Longueur | — | 246 mm 9.7 inches |
Taille | — | 111 mm 4.4 inches |
Taille | — | 20 mm 0.8 inches |
Suggestions pour le PSU | — | 250 W |
Connecteurs de puissance | — | 1x 6-pin |
DirectX | 12 (12_0) | 10.1 (10_1) |
---|---|---|
OpenGL | 4.6 | 3.3 |
OpenCL | 2.0 | 1.1 |
Vulkan | 1.2 | — |
Shader model | 6.3 | 4.1 |
Date de publication | — | Oct 21st, 2008 |
---|---|---|
Génération | — | Radeon R700 |
Production | — | End-of-life |
Prix de lancement | — | 130 USD |
Bus interface | — | PCIe 2.0 x16 |
Critiques | — | 43 in our database |
Prédécesseur | — | Radeon R600 |
Successeur | — | Evergreen |