AMD Radeon HD 7470 OEM vs ATI Radeon HD 2900 GT
Processeur graphique
| Nom du GPU | Caicos | R600 |
|---|---|---|
| GPU variant | Khalidster | R600 GT (215RGFDKA13FG) |
| Architecture | TeraScale 2 | TeraScale |
| Fonderie | TSMC | TSMC |
| Taille du processus | 40 nm | 80 nm |
| Transistors | 370 million | 720 million |
| Taille des matrices | 67 mm² | 420 mm² |
Carte graphique
| Date de publication | Jan 5th, 2012 | Nov 6th, 2007 |
|---|---|---|
| Génération | Southern Islands | Radeon R600 |
| Production | End-of-life | End-of-life |
| Bus interface | PCIe 2.0 x16 | PCIe 1.0 x16 |
| Prédécesseur | Northern Islands | Radeon R500 PCIe |
| Successeur | Sea Islands | Radeon R700 |
| Critiques | — | 63 in our database |
Vitesse clock
| GPU clock | 750 MHz | 601 MHz |
|---|---|---|
| Mémoire clock | 900 MHz 3.6 Gbps effective | 800 MHz 1600 Mbps effective |
Mémoire
| Taille de la mémoire | 1024 MB | 256 MB |
|---|---|---|
| Type de mémoire | GDDR5 | GDDR3 |
| Bus mémoire | 64 bit | 256 bit |
| Bande passante | 28.80 GB/s | 51.20 GB/s |
Render Config
| Shading units | 160 | 240 |
|---|---|---|
| TMUs | 8 | 12 |
| ROPs | 4 | 12 |
| Compute units | 2 | 3 |
| Cache L1 | 8 KB (per CU) | — |
| Cache L2 | 128 KB | 128 KB |
Performance théorique
| Taux de pixel | 3.000 GPixel/s | 7.212 GPixel/s |
|---|---|---|
| Taux de texture | 6.000 GTexel/s | 7.212 GTexel/s |
| FP32 (float) performance | 240.0 GFLOPS | 288.5 GFLOPS |
Board Design
| Taille Slot | Single-slot | Dual-slot |
|---|---|---|
| Longueur | 168 mm 6.6 inches | — |
| TDP | 27 W | 150 W |
| Suggestions pour le PSU | 200 W | 450 W |
| Sorties | 1x DVI1x DisplayPort | 2x DVI1x S-Video |
| Connecteurs de puissance | None | 1x 8-pin |
| Board number | C264 | B002 |
Caractéristiques graphiques
| DirectX | 11.2 (11_0) | 10.0 (10_0) |
|---|---|---|
| OpenGL | 4.4 | 3.3 (full) 4.0 (partial) |
| OpenCL | 1.2 | — |
| Vulkan | — | — |
| Shader model | 5.0 | 4.0 |
