ATI Radeon X1900 XT vs NVIDIA GeForce 8500 GT
Processeur graphique
| Nom du GPU | R580 | G86 |
|---|---|---|
| GPU variant | R580 XT (215BADBKA22FG) | G86-300-A2 |
| Architecture | R500 | Tesla |
| Fonderie | TSMC | TSMC |
| Taille du processus | 90 nm | 80 nm |
| Transistors | 384 million | 210 million |
| Taille des matrices | 352 mm² | 127 mm² |
Carte graphique
| Date de publication | 2006 | Apr 17th, 2007 |
|---|---|---|
| Génération | Radeon R500 PCIe | GeForce 8 |
| Production | End-of-life | End-of-life |
| Prix de lancement | 299 USD | 129 USD |
| Bus interface | PCIe 1.0 x16 | PCIe 1.0 x16 |
| Critiques | 115 in our database | 33 in our database |
| Prédécesseur | Radeon R400 PCIe | GeForce 7 PCIe |
| Successeur | Radeon R600 | GeForce 9 |
Vitesse clock
| GPU clock | 625 MHz | 459 MHz |
|---|---|---|
| Mémoire clock | 725 MHz 1450 Mbps effective | 400 MHz 800 Mbps effective |
| Shader clock | — | 918 MHz |
Mémoire
| Taille de la mémoire | 256 MB | 256 MB |
|---|---|---|
| Type de mémoire | GDDR3 | GDDR3 |
| Bus mémoire | 256 bit | 128 bit |
| Bande passante | 46.40 GB/s | 12.80 GB/s |
Render Config
| Pixel shaders | 48 | — |
|---|---|---|
| Vertex shaders | 8 | — |
| TMUs | 16 | 8 |
| ROPs | 16 | 4 |
| Shading units | — | 16 |
| Comptage SM | — | 2 |
| Cache L2 | — | 32 KB |
Performance théorique
| Taux de pixel | 10.00 GPixel/s | 1.836 GPixel/s |
|---|---|---|
| Vertex rate | 1.250 GVertices/s | — |
| Taux de texture | 10.00 GTexel/s | 3.672 GTexel/s |
| FP32 (float) performance | — | 29.38 GFLOPS |
Board Design
| Taille Slot | Dual-slot | Single-slot |
|---|---|---|
| Longueur | 242 mm 9.5 inches | 229 mm 9 inches |
| TDP | 100 W | 30 W |
| Suggestions pour le PSU | 300 W | 200 W |
| Sorties | 2x DVI1x S-Video | 1x DVI1x VGA1x S-Video |
| Connecteurs de puissance | 1x 6-pin | None |
| Board number | A520 | P403 |
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 |
