AMD FireStream 9270 vs ATI Radeon 9800 XT Mac Edition
Processeur graphique
| Nom du GPU | RV770 | R360 |
|---|---|---|
| GPU variant | RV770 XT | R360 (215R9RBKA11F) |
| Architecture | TeraScale | Rage 9 |
| Fonderie | TSMC | TSMC |
| Taille du processus | 55 nm | 150 nm |
| Transistors | 956 million | 117 million |
| Taille des matrices | 256 mm² | 218 mm² |
Carte graphique
| Date de publication | Nov 13th, 2008 | Mar 14th, 2004 |
|---|---|---|
| Génération | FireStream | Radeon R300 |
| Production | End-of-life | End-of-life |
| Bus interface | PCIe 2.0 x16 | AGP Pro 8x |
| Critiques | — | 20 in our database |
| Prédécesseur | — | Radeon R200 |
| Successeur | — | Radeon R400 AGP |
Vitesse clock
| GPU clock | 750 MHz | 412 MHz |
|---|---|---|
| Mémoire clock | 900 MHz 3.6 Gbps effective | 365 MHz 730 Mbps effective |
Mémoire
| Taille de la mémoire | 2 GB | 256 MB |
|---|---|---|
| Type de mémoire | GDDR5 | DDR |
| Bus mémoire | 256 bit | 256 bit |
| Bande passante | 115.2 GB/s | 23.36 GB/s |
Render Config
| Shading units | 800 | — |
|---|---|---|
| TMUs | 40 | 8 |
| ROPs | 16 | 8 |
| Compute units | 10 | — |
| Cache L1 | 16 KB (per CU) | — |
| Cache L2 | 256 KB | — |
| Pixel shaders | — | 8 |
| Vertex shaders | — | 4 |
Performance théorique
| Taux de pixel | 12.00 GPixel/s | 3.296 GPixel/s |
|---|---|---|
| Taux de texture | 30.00 GTexel/s | 3.296 GTexel/s |
| FP32 (float) performance | 1,200 GFLOPS | — |
| FP64 (double) performance | 240.0 GFLOPS (1:5) | — |
| Vertex rate | — | 412.0 MVertices/s |
Board Design
| Taille Slot | Dual-slot | Single-slot |
|---|---|---|
| Longueur | 241 mm 9.5 inches | — |
| Taille | 111 mm 4.4 inches | — |
| Taille | 38 mm 1.5 inches | — |
| TDP | 160 W | 60 W |
| Suggestions pour le PSU | 450 W | 250 W |
| Sorties | 1x DVI | 2x DVI |
| Connecteurs de puissance | 2x 6-pin | None |
Caractéristiques graphiques
| DirectX | 10.1 (10_1) | 9.0 |
|---|---|---|
| OpenGL | 3.3 | 2.0 |
| OpenCL | 1.1 | — |
| Vulkan | — | — |
| Shader model | 4.1 | — |
| Pixel shader | — | 2.0 |
| Vertex shader | — | 2.0 |
