ATI Radeon HD 2600 XT Mac Edition vs ATI Radeon HD 3450
Processeur graphique
| Nom du GPU | RV630 | RV620 |
|---|---|---|
| Architecture | TeraScale | TeraScale |
| Fonderie | TSMC | TSMC |
| Taille du processus | 65 nm | 55 nm |
| Transistors | 390 million | 181 million |
| Taille des matrices | 153 mm² | 67 mm² |
| GPU variant | — | RV620 LE |
Carte graphique
| Date de publication | Feb 21st, 2008 | Dec 10th, 2007 |
|---|---|---|
| Génération | Radeon R600 | Radeon R600 |
| Production | End-of-life | End-of-life |
| Bus interface | PCIe 1.0 x16 | PCIe 2.0 x16 |
| Critiques | 82 in our database | 7 in our database |
| Prédécesseur | Radeon R500 PCIe | Radeon R500 PCIe |
| Successeur | Radeon R700 | Radeon R700 |
Vitesse clock
| GPU clock | 700 MHz | 600 MHz |
|---|---|---|
| Mémoire clock | 800 MHz 1600 Mbps effective | 500 MHz 1000 Mbps effective |
Mémoire
| Taille de la mémoire | 256 MB | 256 MB |
|---|---|---|
| Type de mémoire | GDDR3 | DDR2 |
| Bus mémoire | 128 bit | 64 bit |
| Bande passante | 25.60 GB/s | 8.000 GB/s |
Render Config
| Shading units | 120 | 40 |
|---|---|---|
| TMUs | 8 | 4 |
| ROPs | 4 | 4 |
| Compute units | 3 | 2 |
| Cache L2 | 64 KB | 64 KB |
Performance théorique
| Taux de pixel | 2.800 GPixel/s | 2.400 GPixel/s |
|---|---|---|
| Taux de texture | 5.600 GTexel/s | 2.400 GTexel/s |
| FP32 (float) performance | 168.0 GFLOPS | 48.00 GFLOPS |
Board Design
| Taille Slot | Single-slot | Single-slot |
|---|---|---|
| TDP | 45 W | 25 W |
| Suggestions pour le PSU | 200 W | 200 W |
| Sorties | 2x DVI | 1x DVI1x VGA1x S-Video |
| Connecteurs de puissance | None | None |
| Board number | B148 | B629 |
Caractéristiques graphiques
| DirectX | 10.0 (10_0) | 10.1 (10_1) |
|---|---|---|
| OpenGL | 3.3 | 3.3 |
| OpenCL | — | — |
| Vulkan | — | — |
| Shader model | 4.0 | 4.1 |
