Nom du GPU | Heathrow | Raven |
---|---|---|
GPU variant | Heathrow XT (216-0835033) | — |
Architecture | GCN 1.0 | GCN 5.0 |
Fonderie | TSMC | GlobalFoundries |
Taille du processus | 28 nm | 14 nm |
Transistors | 1,500 million | 4,940 million |
Taille des matrices | 123 mm² | 210 mm² |
Date de publication | Apr 24th, 2012 | — |
---|---|---|
Génération | London (HD 7800M) | — |
Production | End-of-life | — |
Bus interface | PCIe 3.0 x16 | — |
Prédécesseur | Vancouver | — |
Successeur | Solar System | — |
GPU clock | 800 MHz | — |
---|---|---|
Mémoire clock | 1000 MHz 4 Gbps effective | System Shared |
Base clock | — | 300 MHz |
Boost clock | — | 1301 MHz |
Taille de la mémoire | 2 GB | System Shared |
---|---|---|
Type de mémoire | GDDR5 | System Shared |
Bus mémoire | 128 bit | System Shared |
Bande passante | 64.00 GB/s | System Dependent |
Shading units | 640 | 640 |
---|---|---|
TMUs | 40 | 40 |
ROPs | 16 | 8 |
Compute units | 10 | 10 |
Cache L1 | 16 KB (per CU) | — |
Cache L2 | 256 KB | — |
Taux de pixel | 12.80 GPixel/s | 10.41 GPixel/s |
---|---|---|
Taux de texture | 32.00 GTexel/s | 52.04 GTexel/s |
FP32 (float) performance | 1,024 GFLOPS | 1.665 TFLOPS |
FP64 (double) performance | 64.00 GFLOPS (1:16) | 104.1 GFLOPS (1:16) |
FP16 (half) performance | — | 3.331 TFLOPS (2:1) |
TDP | 45 W | 10 W |
---|---|---|
Sorties | No outputs | No outputs |
Taille Slot | — | IGP |
Connecteurs de puissance | — | None |
DirectX | 12 (11_1) | 12 (12_1) |
---|---|---|
OpenGL | 4.6 | 4.6 |
OpenCL | 1.2 | 2.1 |
Vulkan | 1.2 | 1.2 |
Shader model | 5.1 | 6.4 |
Date de publication | — | Oct 26th, 2017 |
---|---|---|
Génération | — | Raven Ridge (Vega Mobile) |
Production | — | Active |
Bus interface | — | IGP |
Prédécesseur | — | Stoney Ridge |
Successeur | — | Picasso |