Nom du GPU | Tropo | RV740 |
---|---|---|
GPU variant | Tropo XT2 | RV740 XT (215-0727019) |
Architecture | GCN 1.0 | TeraScale |
Fonderie | TSMC | TSMC |
Taille du processus | 28 nm | 40 nm |
Transistors | 1,500 million | 826 million |
Taille des matrices | 123 mm² | 137 mm² |
Date de publication | May 5th, 2015 | — |
---|---|---|
Génération | Crystal System (R9 M300) | — |
Production | End-of-life | — |
Bus interface | PCIe 3.0 x16 | — |
Prédécesseur | Solar System | — |
Successeur | Mobility Radeon | — |
Base clock | 1000 MHz | — |
---|---|---|
Boost clock | 1015 MHz | — |
Mémoire clock | 900 MHz 1800 Mbps effective | 800 MHz 3.2 Gbps effective |
GPU clock | — | 750 MHz |
Taille de la mémoire | 2 GB | 512 MB |
---|---|---|
Type de mémoire | DDR3 | GDDR5 |
Bus mémoire | 128 bit | 128 bit |
Bande passante | 28.80 GB/s | 51.20 GB/s |
Shading units | 640 | 640 |
---|---|---|
TMUs | 40 | 32 |
ROPs | 16 | 16 |
Compute units | 10 | 8 |
Cache L1 | 16 KB (per CU) | 16 KB (per CU) |
Cache L2 | 256 KB | 128 KB |
Taux de pixel | 16.24 GPixel/s | 12.00 GPixel/s |
---|---|---|
Taux de texture | 40.60 GTexel/s | 24.00 GTexel/s |
FP32 (float) performance | 1,299 GFLOPS | 960.0 GFLOPS |
FP64 (double) performance | 81.20 GFLOPS (1:16) | 192.0 GFLOPS (1:5) |
TDP | unknown | 80 W |
---|---|---|
Sorties | No outputs | 2x DVI1x S-Video |
Taille Slot | — | Dual-slot |
Longueur | — | 203 mm 8 inches |
Suggestions pour le PSU | — | 250 W |
Connecteurs de puissance | — | 1x 6-pin |
Board number | — | B743 |
DirectX | 12 (11_1) | 10.1 (10_1) |
---|---|---|
OpenGL | 4.6 | 3.3 |
OpenCL | 1.2 | 1.1 |
Vulkan | 1.2 | — |
Shader model | 5.1 | 4.1 |
Date de publication | — | Apr 28th, 2009 |
---|---|---|
Génération | — | Radeon R700 |
Production | — | End-of-life |
Prix de lancement | — | 109 USD |
Bus interface | — | PCIe 2.0 x16 |
Critiques | — | 82 in our database |
Prédécesseur | — | Radeon R600 |
Successeur | — | Evergreen |