Nom du GPU | Navi 14 | Polaris 20 |
---|---|---|
GPU variant | Navi 14 ULA | Polaris 20 XTX (215-0910038) |
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 | Nov 13th, 2019 | — |
---|---|---|
Génération | Radeon Pro Mac (Navi Mobile) | — |
Production | Active | — |
Bus interface | PCIe 4.0 x8 | — |
Base clock | 1000 MHz | 1257 MHz |
---|---|---|
Boost clock | 1450 MHz | 1340 MHz |
Mémoire clock | 1500 MHz 12 Gbps effective | 2000 MHz 8 Gbps effective |
Taille de la mémoire | 8 GB | 8 GB |
---|---|---|
Type de mémoire | GDDR6 | GDDR5 |
Bus mémoire | 128 bit | 256 bit |
Bande passante | 192.0 GB/s | 256.0 GB/s |
Shading units | 1536 | 2304 |
---|---|---|
TMUs | 96 | 144 |
ROPs | 32 | 32 |
Compute units | 24 | 36 |
Cache L2 | 2 MB | 2 MB |
Cache L1 | — | 16 KB (per CU) |
Taux de pixel | 46.40 GPixel/s | 42.88 GPixel/s |
---|---|---|
Taux de texture | 139.2 GTexel/s | 193.0 GTexel/s |
FP16 (half) performance | 8.909 TFLOPS (2:1) | 6.175 TFLOPS (1:1) |
FP32 (float) performance | 4.454 TFLOPS | 6.175 TFLOPS |
FP64 (double) performance | 278.4 GFLOPS (1:16) | 385.9 GFLOPS (1:16) |
TDP | 85 W | 185 W |
---|---|---|
Sorties | No outputs | 1x HDMI3x DisplayPort |
Connecteurs de puissance | None | 1x 8-pin |
Taille Slot | — | Dual-slot |
Longueur | — | 241 mm 9.5 inches |
Suggestions pour le PSU | — | 450 W |
Board number | — | D009 |
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 |
Date de publication | — | Apr 11th, 2018 |
---|---|---|
Génération | — | Polaris |
Production | — | Active |
Bus interface | — | PCIe 3.0 x16 |
Prédécesseur | — | Polaris |
Successeur | — | Vega |