ATI Radeon HD 4830 vs ATI Radeon HD 5730
Processeur graphique
| Nom du GPU | RV770 | Redwood |
|---|---|---|
| GPU variant | RV770 LE (215-0669075) | Redwood XT (215-0757002) |
| Architecture | TeraScale | TeraScale 2 |
| Fonderie | TSMC | TSMC |
| Taille du processus | 55 nm | 40 nm |
| Transistors | 956 million | 627 million |
| Taille des matrices | 256 mm² | 104 mm² |
Carte graphique
| Date de publication | Oct 21st, 2008 | Feb 26th, 2011 |
|---|---|---|
| Génération | Radeon R700 | Evergreen |
| Production | End-of-life | End-of-life |
| Prix de lancement | 130 USD | — |
| Bus interface | PCIe 2.0 x16 | PCIe 2.0 x16 |
| Critiques | 43 in our database | — |
| Prédécesseur | Radeon R600 | Radeon R700 |
| Successeur | Evergreen | Northern Islands |
Vitesse clock
| GPU clock | 575 MHz | 775 MHz |
|---|---|---|
| Mémoire clock | 900 MHz 1800 Mbps effective | 1000 MHz 4 Gbps effective |
Mémoire
| Taille de la mémoire | 512 MB | 1024 MB |
|---|---|---|
| Type de mémoire | GDDR3 | GDDR5 |
| Bus mémoire | 256 bit | 128 bit |
| Bande passante | 57.60 GB/s | 64.00 GB/s |
Render Config
| Shading units | 640 | 400 |
|---|---|---|
| TMUs | 32 | 20 |
| ROPs | 16 | 8 |
| Compute units | 8 | 5 |
| Cache L1 | 16 KB (per CU) | 8 KB (per CU) |
| Cache L2 | 256 KB | 256 KB |
Performance théorique
| Taux de pixel | 9.200 GPixel/s | 6.200 GPixel/s |
|---|---|---|
| Taux de texture | 18.40 GTexel/s | 15.50 GTexel/s |
| FP32 (float) performance | 736.0 GFLOPS | 620.0 GFLOPS |
| FP64 (double) performance | 147.2 GFLOPS (1:5) | — |
Board Design
| Taille Slot | Single-slot | Single-slot |
|---|---|---|
| Longueur | 246 mm 9.7 inches | 168 mm 6.6 inches |
| Taille | 111 mm 4.4 inches | — |
| Taille | 20 mm 0.8 inches | — |
| TDP | 95 W | 64 W |
| Suggestions pour le PSU | 250 W | 250 W |
| Sorties | 2x DVI1x S-Video | 1x DVI1x HDMI1x VGA |
| Connecteurs de puissance | 1x 6-pin | — |
| Board number | B501-31 | — |
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 |
