Nom du GPU | Polaris 21 | GK110B |
---|---|---|
GPU variant | Polaris 21 XT (215-0908004) | — |
Architecture | GCN 4.0 | Kepler |
Fonderie | GlobalFoundries | TSMC |
Taille du processus | 14 nm | 28 nm |
Transistors | 3,000 million | 7,080 million |
Taille des matrices | 123 mm² | 561 mm² |
Date de publication | Apr 11th, 2018 | Nov 22nd, 2013 |
---|---|---|
Génération | Polaris | Tesla |
Production | Active | End-of-life |
Bus interface | PCIe 3.0 x8 | PCIe 3.0 x16 |
Prédécesseur | Polaris | — |
Successeur | Vega | — |
Prix de lancement | — | 7,699 USD |
Base clock | 1175 MHz | 745 MHz |
---|---|---|
Boost clock | 1275 MHz | 876 MHz |
Mémoire clock | 1750 MHz 7 Gbps effective | 1502 MHz 6 Gbps effective |
Taille de la mémoire | 4 GB | 12 GB |
---|---|---|
Type de mémoire | GDDR5 | GDDR5 |
Bus mémoire | 128 bit | 384 bit |
Bande passante | 112.0 GB/s | 288.4 GB/s |
Shading units | 1024 | 2880 |
---|---|---|
TMUs | 64 | 240 |
ROPs | 16 | 48 |
Compute units | 16 | — |
Cache L1 | 16 KB (per CU) | 16 KB (per SMX) |
Cache L2 | 1024 KB | 1536 KB |
Comptage SMX | — | 15 |
Taux de pixel | 20.40 GPixel/s | 52.56 GPixel/s |
---|---|---|
Taux de texture | 81.60 GTexel/s | 210.2 GTexel/s |
FP16 (half) performance | 2.611 TFLOPS (1:1) | — |
FP32 (float) performance | 2.611 TFLOPS | 5.046 TFLOPS |
FP64 (double) performance | 163.2 GFLOPS (1:16) | 1.682 TFLOPS (1:3) |
Taille Slot | Dual-slot | Dual-slot |
---|---|---|
Longueur | 170 mm 6.7 inches | 267 mm 10.5 inches |
TDP | 75 W | 245 W |
Suggestions pour le PSU | 250 W | 550 W |
Sorties | 1x DVI1x HDMI1x DisplayPort | No outputs |
Connecteurs de puissance | None | — |
Board number | C994 | — |
DirectX | 12 (12_0) | 12 (11_1) |
---|---|---|
OpenGL | 4.6 | 4.6 |
OpenCL | 2.1 | 3.0 |
Vulkan | 1.2 | 1.1 |
Shader model | 6.4 | 5.1 |
CUDA | — | 3.5 |