AMD Radeon HD 7690M vs ATI Mobility Radeon HD 4850 Mac Edition
Processeur graphique
| Nom du GPU | Thames | M98 |
|---|---|---|
| GPU variant | Thames XT (216-0833000) | — |
| Architecture | TeraScale 2 | TeraScale |
| Fonderie | TSMC | TSMC |
| Taille du processus | 40 nm | 55 nm |
| Transistors | 716 million | 956 million |
| Taille des matrices | 104 mm² | 256 mm² |
Graphiques mobiles
| Date de publication | Dec 25th, 2011 | Aug 28th, 2009 |
|---|---|---|
| Génération | London (HD 7600M) | M9x (Mobility HD 4800) |
| Production | End-of-life | End-of-life |
| Bus interface | MXM-A (3.0) | PCIe 2.0 x16 |
| Prédécesseur | Vancouver | M8x |
| Successeur | Solar System | Manhattan |
| Critiques | — | 2 in our database |
Vitesse clock
| GPU clock | 725 MHz | 503 MHz |
|---|---|---|
| Mémoire clock | 900 MHz 1800 Mbps effective | 850 MHz 1700 Mbps effective |
Mémoire
| Taille de la mémoire | 1024 MB | 512 MB |
|---|---|---|
| Type de mémoire | DDR3 | GDDR3 |
| Bus mémoire | 128 bit | 256 bit |
| Bande passante | 28.80 GB/s | 54.40 GB/s |
Render Config
| Shading units | 480 | 800 |
|---|---|---|
| TMUs | 24 | 40 |
| ROPs | 16 | 16 |
| Compute units | 6 | 10 |
| Cache L1 | 8 KB (per CU) | 16 KB (per CU) |
| Cache L2 | 256 KB | 256 KB |
Performance théorique
| Taux de pixel | 11.60 GPixel/s | 8.048 GPixel/s |
|---|---|---|
| Taux de texture | 17.40 GTexel/s | 20.12 GTexel/s |
| FP32 (float) performance | 696.0 GFLOPS | 804.8 GFLOPS |
| FP64 (double) performance | — | 161.0 GFLOPS (1:5) |
Board Design
| Taille Slot | MXM Module | — |
|---|---|---|
| TDP | 20 W | unknown |
| Sorties | No outputs | No outputs |
| Connecteurs de puissance | None | — |
| Board number | C017 | — |
Caractéristiques graphiques
| DirectX | 11.2 (11_0) | 10.1 (10_1) |
|---|---|---|
| OpenGL | 4.4 | 3.3 |
| OpenCL | 1.2 | 1.1 |
| Vulkan | — | — |
| Shader model | 5.0 | 4.1 |
