ATI Radeon HD 4650 vs ATI Radeon HD 5450 PCI
Processeur graphique
| Nom du GPU | RV730 | Cedar |
|---|---|---|
| GPU variant | RV730 PRO (215-0719056) | Cedar PRO |
| Architecture | TeraScale | TeraScale 2 |
| Fonderie | TSMC | TSMC |
| Taille du processus | 55 nm | 40 nm |
| Transistors | 514 million | 292 million |
| Taille des matrices | 146 mm² | 59 mm² |
Carte graphique
| Date de publication | Sep 10th, 2008 | Feb 4th, 2010 |
|---|---|---|
| Génération | Radeon R700 | Evergreen |
| Production | End-of-life | End-of-life |
| Bus interface | PCIe 2.0 x16 | PCI |
| Critiques | 20 in our database | 34 in our database |
| Prédécesseur | Radeon R600 | Radeon R700 |
| Successeur | Evergreen | Northern Islands |
Vitesse clock
| GPU clock | 600 MHz | 650 MHz |
|---|---|---|
| Mémoire clock | 700 MHz 1400 Mbps effective | 333 MHz 666 Mbps effective |
Mémoire
| Taille de la mémoire | 256 MB | 512 MB |
|---|---|---|
| Type de mémoire | GDDR3 | DDR2 |
| Bus mémoire | 128 bit | 64 bit |
| Bande passante | 22.40 GB/s | 5.328 GB/s |
Render Config
| Shading units | 320 | 80 |
|---|---|---|
| TMUs | 32 | 8 |
| ROPs | 8 | 4 |
| Compute units | 4 | 2 |
| Cache L1 | 16 KB (per CU) | 8 KB (per CU) |
| Cache L2 | 128 KB | 128 KB |
Performance théorique
| Taux de pixel | 4.800 GPixel/s | 2.600 GPixel/s |
|---|---|---|
| Taux de texture | 19.20 GTexel/s | 5.200 GTexel/s |
| FP32 (float) performance | 384.0 GFLOPS | 104.0 GFLOPS |
Board Design
| Taille Slot | Single-slot | Single-slot |
|---|---|---|
| Longueur | 193 mm 7.6 inches | 145 mm 5.7 inches |
| TDP | 48 W | 19 W |
| Suggestions pour le PSU | 200 W | 200 W |
| Sorties | 2x DVI1x S-Video | 1x DVI1x HDMI |
| Connecteurs de puissance | — | None |
| Board number | — | C093, C096 |
Caractéristiques graphiques
| DirectX | 10.1 (10_1) | 11.2 (11_0) |
|---|---|---|
| OpenGL | 3.3 | 4.4 |
| OpenCL | 1.1 | 1.2 |
| Vulkan | — | — |
| Shader model | 4.1 | 5.0 |
