ATI Mobility Radeon HD 3670 vs ATI Mobility Radeon HD 4550
Processeur graphique
| Nom du GPU | M86 | M92 |
|---|---|---|
| Architecture | TeraScale | TeraScale |
| Fonderie | TSMC | TSMC |
| Taille du processus | 55 nm | 55 nm |
| Transistors | 378 million | 242 million |
| Taille des matrices | 135 mm² | 73 mm² |
Graphiques mobiles
| Date de publication | Jan 7th, 2008 | 2010 |
|---|---|---|
| Génération | M8x (Mobility HD 3600) | M9x (Mobility HD 4500) |
| Production | End-of-life | End-of-life |
| Bus interface | PCIe 2.0 x16 | MXM-II |
| Critiques | 2 in our database | 2 in our database |
| Prédécesseur | M7x | M8x |
| Successeur | M9x | Manhattan |
Vitesse clock
| GPU clock | 680 MHz | 550 MHz |
|---|---|---|
| Mémoire clock | 800 MHz 1600 Mbps effective | 700 MHz 1400 Mbps effective |
Mémoire
| Taille de la mémoire | 256 MB | 512 MB |
|---|---|---|
| Type de mémoire | GDDR3 | GDDR3 |
| Bus mémoire | 128 bit | 64 bit |
| Bande passante | 25.60 GB/s | 11.20 GB/s |
Render Config
| Shading units | 120 | 80 |
|---|---|---|
| TMUs | 8 | 8 |
| ROPs | 4 | 4 |
| Compute units | 3 | 1 |
| Cache L2 | 128 KB | 64 KB |
| Cache L1 | — | 16 KB (per CU) |
Performance théorique
| Taux de pixel | 2.720 GPixel/s | 2.200 GPixel/s |
|---|---|---|
| Taux de texture | 5.440 GTexel/s | 4.400 GTexel/s |
| FP32 (float) performance | 163.2 GFLOPS | 88.00 GFLOPS |
Board Design
| TDP | 30 W | unknown |
|---|---|---|
| Sorties | No outputs | No outputs |
| Taille Slot | — | MXM Module |
Caractéristiques graphiques
| DirectX | 10.1 (10_1) | 10.1 (10_1) |
|---|---|---|
| OpenGL | 3.3 | 3.3 |
| OpenCL | — | 1.1 |
| Vulkan | — | — |
| Shader model | 4.1 | 4.1 |
