ATI Radeon HD 3470 vs ATI Radeon X800 XT Mac Edition
Processeur graphique
| Nom du GPU | RV620 | R423 |
|---|---|---|
| GPU variant | RV620 PRO (215-0670006) | R423 XT (215RBJAGA12F) |
| Architecture | TeraScale | R400 |
| Fonderie | TSMC | TSMC |
| Taille du processus | 55 nm | 130 nm |
| Transistors | 181 million | 160 million |
| Taille des matrices | 67 mm² | 289 mm² |
Carte graphique
| Date de publication | Jan 23rd, 2008 | Dec 1st, 2004 |
|---|---|---|
| Génération | Radeon R600 | Radeon R400 AGP |
| Production | End-of-life | End-of-life |
| Bus interface | PCIe 2.0 x16 | AGP Pro 8x |
| Critiques | 1 in our database | 226 in our database |
| Prédécesseur | Radeon R500 PCIe | Radeon R300 |
| Successeur | Radeon R700 | Radeon R500 AGP |
Vitesse clock
| GPU clock | 800 MHz | 475 MHz |
|---|---|---|
| Mémoire clock | 950 MHz 1900 Mbps effective | 500 MHz 1000 Mbps effective |
Mémoire
| Taille de la mémoire | 256 MB | 256 MB |
|---|---|---|
| Type de mémoire | GDDR3 | GDDR3 |
| Bus mémoire | 64 bit | 256 bit |
| Bande passante | 15.20 GB/s | 32.00 GB/s |
Render Config
| Shading units | 40 | — |
|---|---|---|
| TMUs | 4 | 16 |
| ROPs | 4 | 16 |
| Compute units | 2 | — |
| Cache L2 | 64 KB | — |
| Pixel shaders | — | 16 |
| Vertex shaders | — | 6 |
Performance théorique
| Taux de pixel | 3.200 GPixel/s | 7.600 GPixel/s |
|---|---|---|
| Taux de texture | 3.200 GTexel/s | 7.600 GTexel/s |
| FP32 (float) performance | 64.00 GFLOPS | — |
| Vertex rate | — | 712.5 MVertices/s |
Board Design
| Taille Slot | Single-slot | Single-slot |
|---|---|---|
| Longueur | 168 mm 6.6 inches | — |
| TDP | 30 W | 54 W |
| Suggestions pour le PSU | 200 W | 250 W |
| Sorties | 1x DVI1x VGA1x S-Video | 2x DVI |
| Connecteurs de puissance | None | None |
| Board number | B530 | — |
Caractéristiques graphiques
| DirectX | 10.1 (10_1) | 9.0b (9_2) |
|---|---|---|
| OpenGL | 3.3 | 2.1 |
| OpenCL | — | — |
| Vulkan | — | — |
| Shader model | 4.1 | — |
| Pixel shader | — | 2.0b |
| Vertex shader | — | 2.0b |
