Nom du GPU | Tahiti | Amethyst |
---|---|---|
GPU variant | Tahiti XT2 (215-0821065) | Amethyst XT |
Architecture | GCN 1.0 | GCN 3.0 |
Fonderie | TSMC | TSMC |
Taille du processus | 28 nm | 28 nm |
Transistors | 4,313 million | 5,000 million |
Taille des matrices | 352 mm² | 366 mm² |
Date de publication | Jun 22nd, 2012 | — |
---|---|---|
Génération | Southern Islands | — |
Production | End-of-life | — |
Prix de lancement | 499 USD | — |
Bus interface | PCIe 3.0 x16 | — |
Critiques | 191 in our database | — |
Prédécesseur | Northern Islands | — |
Successeur | Sea Islands | — |
Base clock | 1000 MHz | — |
---|---|---|
Boost clock | 1050 MHz | — |
Mémoire clock | 1500 MHz 6 Gbps effective | 1250 MHz 5 Gbps effective |
GPU clock | — | 723 MHz |
Taille de la mémoire | 3 GB | 8 GB |
---|---|---|
Type de mémoire | GDDR5 | GDDR5 |
Bus mémoire | 384 bit | 256 bit |
Bande passante | 288.0 GB/s | 160.0 GB/s |
Shading units | 2048 | 2048 |
---|---|---|
TMUs | 128 | 128 |
ROPs | 32 | 32 |
Compute units | 32 | 32 |
Cache L1 | 16 KB (per CU) | 16 KB (per CU) |
Cache L2 | 768 KB | 512 KB |
Taux de pixel | 33.60 GPixel/s | 23.14 GPixel/s |
---|---|---|
Taux de texture | 134.4 GTexel/s | 92.54 GTexel/s |
FP32 (float) performance | 4.301 TFLOPS | 2.961 TFLOPS |
FP64 (double) performance | 1,075 GFLOPS (1:4) | 185.1 GFLOPS (1:16) |
FP16 (half) performance | — | 2.961 TFLOPS (1:1) |
Taille Slot | Dual-slot | MXM Module |
---|---|---|
Longueur | 275 mm 10.8 inches | — |
Taille | 111 mm 4.4 inches | — |
Taille | 38 mm 1.5 inches | — |
TDP | 300 W | 75 W |
Suggestions pour le PSU | 700 W | — |
Sorties | 1x DVI1x HDMI2x mini-DisplayPort | No outputs |
Connecteurs de puissance | 1x 6-pin + 1x 8-pin | None |
Board number | C386-37 | C608 |
DirectX | 12 (11_1) | 12 (12_0) |
---|---|---|
OpenGL | 4.6 | 4.6 |
OpenCL | 1.2 | 2.0 |
Vulkan | 1.2 | 1.2 |
Shader model | 5.1 | 6.3 |
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 |