Nom du GPU | Navi 14 | Polaris 20 |
---|---|---|
GPU variant | Navi 14 PRO 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 | Aug 4th, 2020 | Apr 18th, 2017 |
---|---|---|
Génération | Radeon Pro Mac | Polaris |
Production | Active | Active |
Bus interface | PCIe 4.0 x8 | PCIe 3.0 x16 |
Prix de lancement | — | 169 USD |
Prix courant | — | Amazon / Newegg |
Critiques | — | 29 in our database |
Prédécesseur | — | Arctic Islands |
Successeur | — | Vega |
Base clock | 1000 MHz | 1168 MHz |
---|---|---|
Boost clock | 1650 MHz | 1244 MHz |
Mémoire clock | 1750 MHz 14 Gbps effective | 1750 MHz 7 Gbps effective |
Taille de la mémoire | 4 GB | 4 GB |
---|---|---|
Type de mémoire | GDDR6 | GDDR5 |
Bus mémoire | 128 bit | 256 bit |
Bande passante | 224.0 GB/s | 224.0 GB/s |
Shading units | 1280 | 2048 |
---|---|---|
TMUs | 80 | 128 |
ROPs | 32 | 32 |
Compute units | 20 | 32 |
Cache L2 | 2 MB | 2 MB |
Cache L1 | — | 16 KB (per CU) |
Taux de pixel | 52.80 GPixel/s | 39.81 GPixel/s |
---|---|---|
Taux de texture | 132.0 GTexel/s | 159.2 GTexel/s |
FP16 (half) performance | 8.448 TFLOPS (2:1) | 5.095 TFLOPS (1:1) |
FP32 (float) performance | 4.224 TFLOPS | 5.095 TFLOPS |
FP64 (double) performance | 264.0 GFLOPS (1:16) | 318.5 GFLOPS (1:16) |
Taille Slot | IGP | Dual-slot |
---|---|---|
TDP | 85 W | 150 W |
Suggestions pour le PSU | 250 W | 450 W |
Sorties | No outputs | 1x DVI1x HDMI3x DisplayPort |
Connecteurs de puissance | None | 1x 6-pin |
Longueur | — | 241 mm 9.5 inches |
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 |