Nom du GPU | Navi 14 | Polaris 20 |
---|---|---|
GPU variant | Navi 14 XE | 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 | May 28th, 2020 | Oct 15th, 2018 |
---|---|---|
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 | 129 USD | — |
Critiques | — | 52 in our database |
Base clock | 1327 MHz | 1168 MHz |
---|---|---|
Game clock | 1448 MHz | — |
Boost clock | 1645 MHz | 1284 MHz |
Mémoire clock | 1750 MHz 14 Gbps effective | 1750 MHz 7 Gbps effective |
Taille de la mémoire | 3 GB | 4 GB |
---|---|---|
Type de mémoire | GDDR6 | GDDR5 |
Bus mémoire | 96 bit | 256 bit |
Bande passante | 168.0 GB/s | 224.0 GB/s |
Shading units | 1408 | 2048 |
---|---|---|
TMUs | 88 | 128 |
ROPs | 32 | 32 |
Compute units | 22 | 32 |
Cache L2 | 1536 KB | 2 MB |
Cache L1 | — | 16 KB (per CU) |
Taux de pixel | 52.64 GPixel/s | 41.09 GPixel/s |
---|---|---|
Taux de texture | 144.8 GTexel/s | 164.4 GTexel/s |
FP16 (half) performance | 9.265 TFLOPS (2:1) | 5.259 TFLOPS (1:1) |
FP32 (float) performance | 4.632 TFLOPS | 5.259 TFLOPS |
FP64 (double) performance | 289.5 GFLOPS (1:16) | 328.7 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 8-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 |