Nom du GPU | Polaris 21 | G80 |
---|---|---|
GPU variant | Polaris 21 XT (215-0908004) | — |
Architecture | GCN 4.0 | Tesla |
Fonderie | GlobalFoundries | TSMC |
Taille du processus | 14 nm | 90 nm |
Transistors | 3,000 million | 681 million |
Taille des matrices | 123 mm² | 484 mm² |
Date de publication | Apr 11th, 2018 | May 2nd, 2007 |
---|---|---|
Génération | Polaris | Tesla |
Production | Active | End-of-life |
Bus interface | PCIe 3.0 x8 | PCIe 1.0 x16 |
Prédécesseur | Polaris | — |
Successeur | Vega | — |
Prix de lancement | — | 1,499 USD |
Base clock | 1175 MHz | — |
---|---|---|
Boost clock | 1275 MHz | — |
Mémoire clock | 1750 MHz 7 Gbps effective | 800 MHz 1600 Mbps effective |
GPU clock | — | 600 MHz |
Shader clock | — | 1350 MHz |
Taille de la mémoire | 4 GB | 1536 MB |
---|---|---|
Type de mémoire | GDDR5 | GDDR3 |
Bus mémoire | 128 bit | 384 bit |
Bande passante | 112.0 GB/s | 76.80 GB/s |
Shading units | 1024 | 128 |
---|---|---|
TMUs | 64 | 32 |
ROPs | 16 | 24 |
Compute units | 16 | — |
Cache L1 | 16 KB (per CU) | — |
Cache L2 | 1024 KB | 96 KB |
Comptage SM | — | 16 |
Taux de pixel | 20.40 GPixel/s | 14.40 GPixel/s |
---|---|---|
Taux de texture | 81.60 GTexel/s | 38.40 GTexel/s |
FP16 (half) performance | 2.611 TFLOPS (1:1) | — |
FP32 (float) performance | 2.611 TFLOPS | 345.6 GFLOPS |
FP64 (double) performance | 163.2 GFLOPS (1:16) | — |
Taille Slot | Dual-slot | Dual-slot |
---|---|---|
Longueur | 170 mm 6.7 inches | — |
TDP | 75 W | 171 W |
Suggestions pour le PSU | 250 W | 450 W |
Sorties | 1x DVI1x HDMI1x DisplayPort | No outputs |
Connecteurs de puissance | None | 2x 6-pin |
Board number | C994 | P357 |
DirectX | 12 (12_0) | 11.1 (10_0) |
---|---|---|
OpenGL | 4.6 | 3.3 |
OpenCL | 2.1 | 1.1 (1.0) |
Vulkan | 1.2 | — |
Shader model | 6.4 | 4.0 |
CUDA | — | 1.0 |