ATI Radeon HD 4650 vs NVIDIA GeForce GT 220
Processeur graphique
| Nom du GPU | RV730 | G94 |
|---|---|---|
| GPU variant | RV730 PRO (215-0719056) | — |
| Architecture | TeraScale | Tesla |
| Fonderie | TSMC | TSMC |
| Taille du processus | 55 nm | 65 nm |
| Transistors | 514 million | 505 million |
| Taille des matrices | 146 mm² | 240 mm² |
Carte graphique
| Date de publication | Sep 10th, 2008 | Jan 26th, 2010 |
|---|---|---|
| Génération | Radeon R700 | GeForce 200 |
| Production | End-of-life | End-of-life |
| Bus interface | PCIe 2.0 x16 | PCIe 2.0 x16 |
| Critiques | 20 in our database | 27 in our database |
| Prédécesseur | Radeon R600 | GeForce 9 |
| Successeur | Evergreen | GeForce 400 |
Vitesse clock
| GPU clock | 600 MHz | 600 MHz |
|---|---|---|
| Mémoire clock | 700 MHz 1400 Mbps effective | 700 MHz 1400 Mbps effective |
| Shader clock | — | 1500 MHz |
Mémoire
| Taille de la mémoire | 256 MB | 1024 MB |
|---|---|---|
| Type de mémoire | GDDR3 | GDDR3 |
| Bus mémoire | 128 bit | 128 bit |
| Bande passante | 22.40 GB/s | 22.40 GB/s |
Render Config
| Shading units | 320 | 48 |
|---|---|---|
| TMUs | 32 | 24 |
| ROPs | 8 | 8 |
| Compute units | 4 | — |
| Cache L1 | 16 KB (per CU) | — |
| Cache L2 | 128 KB | 64 KB |
| Comptage SM | — | 6 |
Performance théorique
| Taux de pixel | 4.800 GPixel/s | 4.800 GPixel/s |
|---|---|---|
| Taux de texture | 19.20 GTexel/s | 14.40 GTexel/s |
| FP32 (float) performance | 384.0 GFLOPS | 144.0 GFLOPS |
Board Design
| Taille Slot | Single-slot | Single-slot |
|---|---|---|
| Longueur | 193 mm 7.6 inches | 168 mm 6.6 inches |
| TDP | 48 W | 58 W |
| Suggestions pour le PSU | 200 W | 250 W |
| Sorties | 2x DVI1x S-Video | 1x DVI1x HDMI1x VGA |
Caractéristiques graphiques
| DirectX | 10.1 (10_1) | 11.1 (10_0) |
|---|---|---|
| OpenGL | 3.3 | 3.3 |
| OpenCL | 1.1 | 1.1 |
| Vulkan | — | — |
| Shader model | 4.1 | 4.0 |
| CUDA | — | 1.1 |
