Nom du GPU | Tahiti | Lexa |
---|---|---|
GPU variant | Tahiti PRO (215-0821056) | Lexa PRO (215-0904018) |
Architecture | GCN 1.0 | GCN 4.0 |
Fonderie | TSMC | GlobalFoundries |
Taille du processus | 28 nm | 14 nm |
Transistors | 4,313 million | 2,200 million |
Taille des matrices | 352 mm² | 103 mm² |
Date de publication | Jan 8th, 2013 | — |
---|---|---|
Génération | Sea Islands | — |
Production | End-of-life | — |
Bus interface | PCIe 3.0 x16 | — |
Prédécesseur | Southern Islands | — |
Successeur | Volcanic Islands | — |
Base clock | 850 MHz | 1100 MHz |
---|---|---|
Boost clock | 925 MHz | 1287 MHz |
Mémoire clock | 1250 MHz 5 Gbps effective | 1500 MHz 6 Gbps effective |
Taille de la mémoire | 3 GB | 2 GB |
---|---|---|
Type de mémoire | GDDR5 | GDDR5 |
Bus mémoire | 384 bit | 128 bit |
Bande passante | 240.0 GB/s | 96.00 GB/s |
Shading units | 1792 | 640 |
---|---|---|
TMUs | 112 | 40 |
ROPs | 32 | 16 |
Compute units | 28 | 10 |
Cache L1 | 16 KB (per CU) | 16 KB (per CU) |
Cache L2 | 768 KB | 512 KB |
Taux de pixel | 29.60 GPixel/s | 20.59 GPixel/s |
---|---|---|
Taux de texture | 103.6 GTexel/s | 51.48 GTexel/s |
FP32 (float) performance | 3.315 TFLOPS | 1.647 TFLOPS |
FP64 (double) performance | 828.8 GFLOPS (1:4) | 103.0 GFLOPS (1:16) |
FP16 (half) performance | — | 1.647 TFLOPS (1:1) |
Taille Slot | Dual-slot | IGP |
---|---|---|
Longueur | 267 mm 10.5 inches | — |
TDP | 200 W | 50 W |
Suggestions pour le PSU | 550 W | — |
Sorties | 1x DVI1x HDMI2x mini-DisplayPort | No outputs |
Connecteurs de puissance | 2x 6-pin | None |
Board number | C386-42 | — |
DirectX | 12 (11_1) | 12 (12_0) |
---|---|---|
OpenGL | 4.6 | 4.6 |
OpenCL | 1.2 | 2.1 |
Vulkan | 1.2 | 1.2 |
Shader model | 5.1 | 6.4 |
Date de publication | — | Jul 2nd, 2017 |
---|---|---|
Génération | — | Mobility Radeon (RX M500) |
Production | — | End-of-life |
Bus interface | — | PCIe 3.0 x8 |
Prédécesseur | — | Crystal System |