AMD Radeon HD 7470M vs ATI Radeon E4690 MXM
Processeur graphique
| Nom du GPU | Seymour | RV730 |
|---|---|---|
| GPU variant | Seymour XT (216-0810084) | RV730 XT E4690 (215-0729055) |
| Architecture | TeraScale 2 | TeraScale |
| Fonderie | TSMC | TSMC |
| Taille du processus | 40 nm | 55 nm |
| Transistors | 370 million | 514 million |
| Taille des matrices | 67 mm² | 146 mm² |
Graphiques mobiles
| Date de publication | Jan 7th, 2012 | Jun 1st, 2009 |
|---|---|---|
| Génération | London (HD 7400M) | Embedded (4000) |
| Production | End-of-life | End-of-life |
| Bus interface | PCIe 2.0 x16 | MXM-A (3.0) |
| Prédécesseur | Vancouver | — |
| Successeur | Solar System | — |
Vitesse clock
| Base clock | 750 MHz | — |
|---|---|---|
| Boost clock | 800 MHz | — |
| Mémoire clock | 900 MHz 1800 Mbps effective | 700 MHz 1400 Mbps effective |
| GPU clock | — | 600 MHz |
Mémoire
| Taille de la mémoire | 1024 MB | 512 MB |
|---|---|---|
| Type de mémoire | DDR3 | GDDR3 |
| Bus mémoire | 64 bit | 128 bit |
| Bande passante | 14.40 GB/s | 22.40 GB/s |
Render Config
| Shading units | 160 | 320 |
|---|---|---|
| TMUs | 8 | 32 |
| ROPs | 4 | 8 |
| Compute units | 2 | 4 |
| Cache L1 | 8 KB (per CU) | 16 KB (per CU) |
| Cache L2 | 128 KB | 128 KB |
Performance théorique
| Taux de pixel | 3.200 GPixel/s | 4.800 GPixel/s |
|---|---|---|
| Taux de texture | 6.400 GTexel/s | 19.20 GTexel/s |
| FP32 (float) performance | 256.0 GFLOPS | 384.0 GFLOPS |
Board Design
| TDP | 25 W | 30 W |
|---|---|---|
| Sorties | No outputs | No outputs |
| Taille Slot | — | MXM Module |
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 |
