Nom du GPU | Thames | Polaris 20 |
---|---|---|
GPU variant | Thames XTX | Polaris 20 XTX (215-0910038) |
Architecture | TeraScale 2 | GCN 4.0 |
Fonderie | TSMC | GlobalFoundries |
Taille du processus | 40 nm | 14 nm |
Transistors | 716 million | 5,700 million |
Taille des matrices | 104 mm² | 232 mm² |
Date de publication | Feb 7th, 2011 | Apr 18th, 2017 |
---|---|---|
Génération | Northern Islands | Polaris |
Production | End-of-life | Active |
Bus interface | PCIe 2.0 x16 | PCIe 3.0 x16 |
Critiques | 7 in our database | 52 in our database |
Prédécesseur | Evergreen | Arctic Islands |
Successeur | Southern Islands | Vega |
Prix de lancement | — | 229 USD |
Prix courant | — | Amazon / Newegg |
GPU clock | 650 MHz | — |
---|---|---|
Mémoire clock | 500 MHz 1000 Mbps effective | 2000 MHz 8 Gbps effective |
Base clock | — | 1257 MHz |
Boost clock | — | 1340 MHz |
Taille de la mémoire | 1024 MB | 8 GB |
---|---|---|
Type de mémoire | GDDR3 | GDDR5 |
Bus mémoire | 128 bit | 256 bit |
Bande passante | 16.00 GB/s | 256.0 GB/s |
Shading units | 480 | 2304 |
---|---|---|
TMUs | 24 | 144 |
ROPs | 8 | 32 |
Compute units | 6 | 36 |
Cache L1 | 8 KB (per CU) | 16 KB (per CU) |
Cache L2 | 256 KB | 2 MB |
Taux de pixel | 5.200 GPixel/s | 42.88 GPixel/s |
---|---|---|
Taux de texture | 15.60 GTexel/s | 193.0 GTexel/s |
FP32 (float) performance | 624.0 GFLOPS | 6.175 TFLOPS |
FP16 (half) performance | — | 6.175 TFLOPS (1:1) |
FP64 (double) performance | — | 385.9 GFLOPS (1:16) |
Taille Slot | Single-slot | Dual-slot |
---|---|---|
Longueur | 168 mm 6.6 inches | 241 mm 9.5 inches |
TDP | 44 W | 185 W |
Suggestions pour le PSU | 200 W | 450 W |
Sorties | 1x DVI1x HDMI1x VGA | 1x HDMI3x DisplayPort |
Connecteurs de puissance | None | 1x 8-pin |
Board number | C239 | C940, D009-04 |
DirectX | 11.2 (11_0) | 12 (12_0) |
---|---|---|
OpenGL | 4.4 | 4.6 |
OpenCL | 1.2 | 2.1 |
Vulkan | — | 1.2 |
Shader model | 5.0 | 6.4 |