Nom du GPU | Navi 14 | Tahiti |
---|---|---|
GPU variant | Navi 14 XLM | Tahiti PRO GL |
Architecture | RDNA 1.0 | GCN 1.0 |
Fonderie | TSMC | TSMC |
Taille du processus | 7 nm | 28 nm |
Transistors | 6,400 million | 4,313 million |
Taille des matrices | 158 mm² | 352 mm² |
Date de publication | Nov 13th, 2019 | — |
---|---|---|
Génération | Mobility Radeon (Navi) | — |
Successeur | Mobility Radeon | — |
Production | Active | — |
Bus interface | PCIe 4.0 x8 | — |
Prédécesseur | Crystal System | — |
Base clock | 1000 MHz | — |
---|---|---|
Game clock | 1181 MHz | — |
Boost clock | 1445 MHz | — |
Mémoire clock | 1750 MHz 14 Gbps effective | 1375 MHz 5.5 Gbps effective |
GPU clock | — | 900 MHz |
Taille de la mémoire | 3 GB | 6 GB |
---|---|---|
Type de mémoire | GDDR6 | GDDR5 |
Bus mémoire | 96 bit | 384 bit |
Bande passante | 168.0 GB/s | 264.0 GB/s |
Shading units | 1408 | 1792 |
---|---|---|
TMUs | 88 | 112 |
ROPs | 32 | 32 |
Compute units | 22 | 28 |
Cache L2 | 2 MB | 768 KB |
Cache L1 | — | 16 KB (per CU) |
Taux de pixel | 46.24 GPixel/s | 28.80 GPixel/s |
---|---|---|
Taux de texture | 127.2 GTexel/s | 100.8 GTexel/s |
FP16 (half) performance | 8.138 TFLOPS (2:1) | — |
FP32 (float) performance | 4.069 TFLOPS | 3.226 TFLOPS |
FP64 (double) performance | 254.3 GFLOPS (1:16) | 806.4 GFLOPS (1:4) |
TDP | 85 W | 225 W |
---|---|---|
Sorties | No outputs | 1x DisplayPort |
Connecteurs de puissance | None | 1x 8-pin |
Taille Slot | — | Dual-slot |
Longueur | — | 267 mm 10.5 inches |
Taille | — | 111 mm 4.4 inches |
Suggestions pour le PSU | — | 550 W |
DirectX | 12 (12_1) | 12 (11_1) |
---|---|---|
OpenGL | 4.6 | 4.6 |
OpenCL | 2.1 | 1.2 |
Vulkan | 1.2 | 1.2 |
Shader model | 6.5 | 5.1 |
Date de publication | — | Mar 27th, 2013 |
---|---|---|
Génération | — | Radeon Sky |
Production | — | End-of-life |
Bus interface | — | PCIe 3.0 x16 |