AMD Radeon HD 6250 vs ATI Radeon HD 3470
Processeur graphique
| Nom du GPU | Cedar | RV620 |
|---|---|---|
| GPU variant | Cedar PRO | RV620 PRO (215-0670006) |
| Architecture | TeraScale 2 | TeraScale |
| Fonderie | TSMC | TSMC |
| Taille du processus | 40 nm | 55 nm |
| Transistors | 292 million | 181 million |
| Taille des matrices | 59 mm² | 67 mm² |
Carte graphique
| Date de publication | Jan 31st, 2011 | Jan 23rd, 2008 |
|---|---|---|
| Génération | Northern Islands | Radeon R600 |
| Prédécesseur | Evergreen | Radeon R500 PCIe |
| Successeur | Southern Islands | Radeon R700 |
| Production | End-of-life | End-of-life |
| Bus interface | PCIe 2.0 x16 | PCIe 2.0 x16 |
| Critiques | — | 1 in our database |
Vitesse clock
| GPU clock | 650 MHz | 800 MHz |
|---|---|---|
| Mémoire clock | 500 MHz 1000 Mbps effective | 950 MHz 1900 Mbps effective |
Mémoire
| Taille de la mémoire | 512 MB | 256 MB |
|---|---|---|
| Type de mémoire | GDDR3 | GDDR3 |
| Bus mémoire | 64 bit | 64 bit |
| Bande passante | 8.000 GB/s | 15.20 GB/s |
Render Config
| Shading units | 80 | 40 |
|---|---|---|
| TMUs | 8 | 4 |
| ROPs | 4 | 4 |
| Compute units | 2 | 2 |
| Cache L1 | 8 KB (per CU) | — |
| Cache L2 | 128 KB | 64 KB |
Performance théorique
| Taux de pixel | 2.600 GPixel/s | 3.200 GPixel/s |
|---|---|---|
| Taux de texture | 5.200 GTexel/s | 3.200 GTexel/s |
| FP32 (float) performance | 104.0 GFLOPS | 64.00 GFLOPS |
Board Design
| Taille Slot | Single-slot | Single-slot |
|---|---|---|
| Longueur | 168 mm 6.6 inches | 168 mm 6.6 inches |
| TDP | 19 W | 30 W |
| Suggestions pour le PSU | 200 W | 200 W |
| Sorties | 1x DVI1x HDMI | 1x DVI1x VGA1x S-Video |
| Connecteurs de puissance | None | None |
| Board number | C026, C027 | B530 |
Caractéristiques graphiques
| DirectX | 11.2 (11_0) | 10.1 (10_1) |
|---|---|---|
| OpenGL | 4.4 | 3.3 |
| OpenCL | 1.2 | — |
| Vulkan | — | — |
| Shader model | 5.0 | 4.1 |
