AMD Radeon HD 7470 OEM vs AMD Radeon HD 7570
Processeur graphique
| Nom du GPU | Caicos | Turks |
|---|---|---|
| GPU variant | Khalidster | Turks PRO-L |
| Architecture | TeraScale 2 | TeraScale 2 |
| Fonderie | TSMC | TSMC |
| Taille du processus | 40 nm | 40 nm |
| Transistors | 370 million | 716 million |
| Taille des matrices | 67 mm² | 118 mm² |
Carte graphique
| Date de publication | Jan 5th, 2012 | Jan 5th, 2012 |
|---|---|---|
| Génération | Southern Islands | Southern Islands |
| Production | End-of-life | End-of-life |
| Bus interface | PCIe 2.0 x16 | PCIe 2.0 x16 |
| Prédécesseur | Northern Islands | Northern Islands |
| Successeur | Sea Islands | Sea Islands |
Vitesse clock
| GPU clock | 750 MHz | 650 MHz |
|---|---|---|
| Mémoire clock | 900 MHz 3.6 Gbps effective | 800 MHz 1600 Mbps effective |
Mémoire
| Taille de la mémoire | 1024 MB | 1024 MB |
|---|---|---|
| Type de mémoire | GDDR5 | GDDR3 |
| Bus mémoire | 64 bit | 128 bit |
| Bande passante | 28.80 GB/s | 25.60 GB/s |
Render Config
| Shading units | 160 | 480 |
|---|---|---|
| TMUs | 8 | 24 |
| ROPs | 4 | 8 |
| Compute units | 2 | 6 |
| Cache L1 | 8 KB (per CU) | 8 KB (per CU) |
| Cache L2 | 128 KB | 256 KB |
Performance théorique
| Taux de pixel | 3.000 GPixel/s | 5.200 GPixel/s |
|---|---|---|
| Taux de texture | 6.000 GTexel/s | 15.60 GTexel/s |
| FP32 (float) performance | 240.0 GFLOPS | 624.0 GFLOPS |
Board Design
| Taille Slot | Single-slot | Single-slot |
|---|---|---|
| Longueur | 168 mm 6.6 inches | — |
| TDP | 27 W | 60 W |
| Suggestions pour le PSU | 200 W | 250 W |
| Sorties | 1x DVI1x DisplayPort | 1x DVI1x HDMI1x VGA |
| Connecteurs de puissance | None | None |
| Board number | C264 | C245, C334 |
Caractéristiques graphiques
| DirectX | 11.2 (11_0) | 11.2 (11_0) |
|---|---|---|
| OpenGL | 4.4 | 4.4 |
| OpenCL | 1.2 | 1.2 |
| Vulkan | — | — |
| Shader model | 5.0 | 5.0 |
