ATI Radeon X1900 G5 Mac Edition vs NVIDIA GeForce 9400 GT Rev. 2
Processeur graphique
| Nom du GPU | R580 | G96C |
|---|---|---|
| GPU variant | R580 XL (215BAEBKA31FG) | — |
| Architecture | R500 | Tesla |
| Fonderie | TSMC | TSMC |
| Taille du processus | 90 nm | 55 nm |
| Transistors | 384 million | 314 million |
| Taille des matrices | 352 mm² | 121 mm² |
Carte graphique
| Date de publication | Nov 6th, 2006 | Aug 27th, 2008 |
|---|---|---|
| Génération | Radeon R500 PCIe | GeForce 9 |
| Production | End-of-life | End-of-life |
| Prix de lancement | 349 USD | — |
| Bus interface | PCIe 1.0 x16 | PCIe 2.0 x16 |
| Critiques | 115 in our database | 6 in our database |
| Prédécesseur | Radeon R400 PCIe | GeForce 8 |
| Successeur | Radeon R600 | GeForce 200 |
Vitesse clock
| GPU clock | 575 MHz | 550 MHz |
|---|---|---|
| Mémoire clock | 600 MHz 1200 Mbps effective | 400 MHz 800 Mbps effective |
| Shader clock | — | 1400 MHz |
Mémoire
| Taille de la mémoire | 256 MB | 512 MB |
|---|---|---|
| Type de mémoire | GDDR3 | GDDR3 |
| Bus mémoire | 256 bit | 128 bit |
| Bande passante | 38.40 GB/s | 12.80 GB/s |
Render Config
| Pixel shaders | 36 | — |
|---|---|---|
| Vertex shaders | 8 | — |
| TMUs | 12 | 8 |
| ROPs | 12 | 4 |
| Shading units | — | 16 |
| Comptage SM | — | 2 |
| Cache L2 | — | 32 KB |
Performance théorique
| Taux de pixel | 6.900 GPixel/s | 2.200 GPixel/s |
|---|---|---|
| Vertex rate | 1.150 GVertices/s | — |
| Taux de texture | 6.900 GTexel/s | 4.400 GTexel/s |
| FP32 (float) performance | — | 44.80 GFLOPS |
Board Design
| Taille Slot | Single-slot | Single-slot |
|---|---|---|
| TDP | 75 W | 50 W |
| Suggestions pour le PSU | 250 W | 250 W |
| Sorties | 2x DVI1x S-Video | 1x DVI1x VGA1x S-Video |
| Connecteurs de puissance | 1x 6-pin | None |
| Longueur | — | 168 mm 6.6 inches |
| Board number | — | P729, P973 |
Caractéristiques graphiques
| DirectX | 9.0c (9_3) | 11.1 (10_0) |
|---|---|---|
| OpenGL | 2.1 (full) 3.0 (partial) | 3.3 |
| OpenCL | — | 1.1 |
| Vulkan | — | — |
| Shader model | 3.0 | 4.0 |
| CUDA | — | 1.1 |
