Nom du GPU | Navi 14 | Polaris 20 |
---|---|---|
GPU variant | Navi 14 XL | Polaris 20 XL (215-0910052) |
Architecture | RDNA 1.0 | GCN 4.0 |
Fonderie | TSMC | GlobalFoundries |
Taille du processus | 7 nm | 14 nm |
Transistors | 6,400 million | 5,700 million |
Taille des matrices | 158 mm² | 232 mm² |
Date de publication | Oct 7th, 2019 | Apr 18th, 2017 |
---|---|---|
Génération | Navi | Polaris |
Prédécesseur | Vega | Arctic Islands |
Production | Active | Active |
Bus interface | PCIe 4.0 x8 | PCIe 3.0 x16 |
Successeur | Navi II | Vega |
Prix de lancement | — | 169 USD |
Prix courant | — | Amazon / Newegg |
Critiques | — | 29 in our database |
Base clock | 1670 MHz | 1168 MHz |
---|---|---|
Game clock | 1717 MHz | — |
Boost clock | 1845 MHz | 1244 MHz |
Mémoire clock | 1750 MHz 7 Gbps effective | 1750 MHz 7 Gbps effective |
Taille de la mémoire | 4 GB | 4 GB |
---|---|---|
Type de mémoire | GDDR5 | GDDR5 |
Bus mémoire | 128 bit | 256 bit |
Bande passante | 112.0 GB/s | 224.0 GB/s |
Shading units | 1408 | 2048 |
---|---|---|
TMUs | 88 | 128 |
ROPs | 32 | 32 |
Compute units | 22 | 32 |
Cache L2 | 2 MB | 2 MB |
Cache L1 | — | 16 KB (per CU) |
Taux de pixel | 59.04 GPixel/s | 39.81 GPixel/s |
---|---|---|
Taux de texture | 162.4 GTexel/s | 159.2 GTexel/s |
FP16 (half) performance | 10.39 TFLOPS (2:1) | 5.095 TFLOPS (1:1) |
FP32 (float) performance | 5.196 TFLOPS | 5.095 TFLOPS |
FP64 (double) performance | 324.7 GFLOPS (1:16) | 318.5 GFLOPS (1:16) |
Taille Slot | Dual-slot | Dual-slot |
---|---|---|
Longueur | 180 mm 7.1 inches | 241 mm 9.5 inches |
TDP | 100 W | 150 W |
Suggestions pour le PSU | 300 W | 450 W |
Sorties | 1x HDMI3x DisplayPort | 1x DVI1x HDMI3x DisplayPort |
Connecteurs de puissance | 1x 6-pin | 1x 6-pin |
Board number | — | C940, D000 |
DirectX | 12 (12_1) | 12 (12_0) |
---|---|---|
OpenGL | 4.6 | 4.6 |
OpenCL | 2.1 | 2.1 |
Vulkan | 1.2 | 1.2 |
Shader model | 6.5 | 6.4 |