ATI Radeon HD 5550 vs NVIDIA GeForce 8800 GS Mac Edition
Processeur graphique
| Nom du GPU | Redwood | G92 |
|---|---|---|
| GPU variant | Redwood PRO2 | — |
| Architecture | TeraScale 2 | Tesla |
| Fonderie | TSMC | TSMC |
| Taille du processus | 40 nm | 65 nm |
| Transistors | 627 million | 754 million |
| Taille des matrices | 104 mm² | 324 mm² |
Carte graphique
| Date de publication | Feb 9th, 2010 | Jan 31st, 2008 |
|---|---|---|
| Génération | Evergreen | GeForce 8 |
| Production | End-of-life | End-of-life |
| Bus interface | PCIe 2.0 x16 | MXM-HE |
| Critiques | 29 in our database | 403 in our database |
| Prédécesseur | Radeon R700 | GeForce 7 PCIe |
| Successeur | Northern Islands | GeForce 9 |
Vitesse clock
| GPU clock | 550 MHz | 500 MHz |
|---|---|---|
| Mémoire clock | 800 MHz 3.2 Gbps effective | 799 MHz 1598 Mbps effective |
| Shader clock | — | 1250 MHz |
Mémoire
| Taille de la mémoire | 512 MB | 512 MB |
|---|---|---|
| Type de mémoire | GDDR5 | GDDR3 |
| Bus mémoire | 128 bit | 256 bit |
| Bande passante | 51.20 GB/s | 51.14 GB/s |
Render Config
| Shading units | 320 | 64 |
|---|---|---|
| TMUs | 16 | 32 |
| ROPs | 8 | 16 |
| Compute units | 4 | — |
| Cache L1 | 8 KB (per CU) | — |
| Cache L2 | 256 KB | 64 KB |
| Comptage SM | — | 8 |
Performance théorique
| Taux de pixel | 4.400 GPixel/s | 8.000 GPixel/s |
|---|---|---|
| Taux de texture | 8.800 GTexel/s | 16.00 GTexel/s |
| FP32 (float) performance | 352.0 GFLOPS | 160.0 GFLOPS |
Board Design
| Taille Slot | Single-slot | MXM Module |
|---|---|---|
| Longueur | 165 mm 6.5 inches | — |
| TDP | 39 W | 105 W |
| Suggestions pour le PSU | 200 W | 300 W |
| Sorties | 1x DVI1x HDMI1x VGA | No outputs |
| Connecteurs de puissance | None | None |
| Board number | C021, C025, C029 | P398 |
Caractéristiques graphiques
| DirectX | 11.2 (11_0) | 11.1 (10_0) |
|---|---|---|
| OpenGL | 4.4 | 3.3 |
| OpenCL | 1.2 | 1.1 |
| Vulkan | — | — |
| Shader model | 5.0 | 4.0 |
| CUDA | — | 1.1 |
