AMD Radeon HD 6250 vs ATI Radeon X800 XT Mac Edition
Processeur graphique
| Nom du GPU | Cedar | R423 |
|---|---|---|
| GPU variant | Cedar PRO | R423 XT (215RBJAGA12F) |
| Architecture | TeraScale 2 | R400 |
| Fonderie | TSMC | TSMC |
| Taille du processus | 40 nm | 130 nm |
| Transistors | 292 million | 160 million |
| Taille des matrices | 59 mm² | 289 mm² |
Carte graphique
| Date de publication | Jan 31st, 2011 | Dec 1st, 2004 |
|---|---|---|
| Génération | Northern Islands | Radeon R400 AGP |
| Prédécesseur | Evergreen | Radeon R300 |
| Successeur | Southern Islands | Radeon R500 AGP |
| Production | End-of-life | End-of-life |
| Bus interface | PCIe 2.0 x16 | AGP Pro 8x |
| Critiques | — | 226 in our database |
Vitesse clock
| GPU clock | 650 MHz | 475 MHz |
|---|---|---|
| Mémoire clock | 500 MHz 1000 Mbps effective | 500 MHz 1000 Mbps effective |
Mémoire
| Taille de la mémoire | 512 MB | 256 MB |
|---|---|---|
| Type de mémoire | GDDR3 | GDDR3 |
| Bus mémoire | 64 bit | 256 bit |
| Bande passante | 8.000 GB/s | 32.00 GB/s |
Render Config
| Shading units | 80 | — |
|---|---|---|
| TMUs | 8 | 16 |
| ROPs | 4 | 16 |
| Compute units | 2 | — |
| Cache L1 | 8 KB (per CU) | — |
| Cache L2 | 128 KB | — |
| Pixel shaders | — | 16 |
| Vertex shaders | — | 6 |
Performance théorique
| Taux de pixel | 2.600 GPixel/s | 7.600 GPixel/s |
|---|---|---|
| Taux de texture | 5.200 GTexel/s | 7.600 GTexel/s |
| FP32 (float) performance | 104.0 GFLOPS | — |
| Vertex rate | — | 712.5 MVertices/s |
Board Design
| Taille Slot | Single-slot | Single-slot |
|---|---|---|
| Longueur | 168 mm 6.6 inches | — |
| TDP | 19 W | 54 W |
| Suggestions pour le PSU | 200 W | 250 W |
| Sorties | 1x DVI1x HDMI | 2x DVI |
| Connecteurs de puissance | None | None |
| Board number | C026, C027 | — |
Caractéristiques graphiques
| DirectX | 11.2 (11_0) | 9.0b (9_2) |
|---|---|---|
| OpenGL | 4.4 | 2.1 |
| OpenCL | 1.2 | — |
| Vulkan | — | — |
| Shader model | 5.0 | — |
| Pixel shader | — | 2.0b |
| Vertex shader | — | 2.0b |
