Nom du GPU | Wimbledon | Baffin |
---|---|---|
GPU variant | Wimbledon XT (216-0836036) | Baffin XT |
Architecture | GCN 1.0 | GCN 4.0 |
Fonderie | TSMC | GlobalFoundries |
Taille du processus | 28 nm | 14 nm |
Transistors | 2,800 million | 3,000 million |
Taille des matrices | 212 mm² | 123 mm² |
Date de publication | Apr 24th, 2012 | — |
---|---|---|
Génération | London (HD 7900M) | — |
Production | End-of-life | — |
Bus interface | MXM-B (3.0) | — |
Prédécesseur | Vancouver | — |
Successeur | Solar System | — |
GPU clock | 850 MHz | — |
---|---|---|
Mémoire clock | 1200 MHz 4.8 Gbps effective | 1500 MHz 6 Gbps effective |
Base clock | — | 1125 MHz |
Boost clock | — | 1201 MHz |
Taille de la mémoire | 2 GB | 4 GB |
---|---|---|
Type de mémoire | GDDR5 | GDDR5 |
Bus mémoire | 256 bit | 128 bit |
Bande passante | 153.6 GB/s | 96.00 GB/s |
Shading units | 1280 | 1024 |
---|---|---|
TMUs | 80 | 64 |
ROPs | 32 | 16 |
Compute units | 20 | 16 |
Cache L1 | 16 KB (per CU) | 16 KB (per CU) |
Cache L2 | 512 KB | 1024 KB |
Taux de pixel | 27.20 GPixel/s | 19.22 GPixel/s |
---|---|---|
Taux de texture | 68.00 GTexel/s | 76.86 GTexel/s |
FP32 (float) performance | 2.176 TFLOPS | 2.460 TFLOPS |
FP64 (double) performance | 136.0 GFLOPS (1:16) | 153.7 GFLOPS (1:16) |
FP16 (half) performance | — | 2.460 TFLOPS (1:1) |
Taille Slot | MXM Module | Single-slot |
---|---|---|
TDP | 100 W | 50 W |
Sorties | No outputs | 4x mini-DisplayPort |
Connecteurs de puissance | None | None |
Board number | C429 | D015 |
Longueur | — | 168 mm 6.6 inches |
Taille | — | 69 mm 2.7 inches |
Suggestions pour le PSU | — | 250 W |
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 | — | Nov 10th, 2016 |
---|---|---|
Génération | — | Radeon Pro |
Production | — | Active |
Prix de lancement | — | 399 USD |
Bus interface | — | PCIe 3.0 x8 |