ATI Radeon 9700 PRO X4 vs ATI Radeon HD 4770
Processeur graphique
| Nom du GPU | R300 | RV740 |
|---|---|---|
| Architecture | Rage 8 | TeraScale |
| Fonderie | TSMC | TSMC |
| Taille du processus | 150 nm | 40 nm |
| Transistors | 110 million | 826 million |
| Taille des matrices | 215 mm² | 137 mm² |
| GPU variant | — | RV740 XT (215-0727019) |
Carte graphique
| Date de publication | Jul 1st, 2002 | Apr 28th, 2009 |
|---|---|---|
| Génération | Radeon R300 | Radeon R700 |
| Production | End-of-life | End-of-life |
| Bus interface | PCI | PCIe 2.0 x16 |
| Critiques | 1 in our database | 82 in our database |
| Prédécesseur | Radeon R200 | Radeon R600 |
| Successeur | Radeon R400 AGP | Evergreen |
| Prix de lancement | — | 109 USD |
Vitesse clock
| GPU clock | 325 MHz | 750 MHz |
|---|---|---|
| Mémoire clock | 310 MHz 620 Mbps effective | 800 MHz 3.2 Gbps effective |
Mémoire
| Taille de la mémoire | 128 MB | 512 MB |
|---|---|---|
| Type de mémoire | DDR | GDDR5 |
| Bus mémoire | 256 bit | 128 bit |
| Bande passante | 19.84 GB/s | 51.20 GB/s |
Render Config
| Pixel shaders | 8 | — |
|---|---|---|
| Vertex shaders | 4 | — |
| TMUs | 8 | 32 |
| ROPs | 8 | 16 |
| Shading units | — | 640 |
| Compute units | — | 8 |
| Cache L1 | — | 16 KB (per CU) |
| Cache L2 | — | 128 KB |
Performance théorique
| Taux de pixel | 2.600 GPixel/s | 12.00 GPixel/s |
|---|---|---|
| Vertex rate | 325.0 MVertices/s | — |
| Taux de texture | 2.600 GTexel/s | 24.00 GTexel/s |
| FP32 (float) performance | — | 960.0 GFLOPS |
| FP64 (double) performance | — | 192.0 GFLOPS (1:5) |
Board Design
| Taille Slot | Dual-slot | Dual-slot |
|---|---|---|
| TDP | unknown | 80 W |
| Suggestions pour le PSU | 200 W | 250 W |
| Sorties | 4x DVI | 2x DVI1x S-Video |
| Connecteurs de puissance | 2x Molex | 1x 6-pin |
| Longueur | — | 203 mm 8 inches |
| Board number | — | B743 |
Caractéristiques graphiques
| DirectX | 9.0 (9_0) | 10.1 (10_1) |
|---|---|---|
| OpenGL | 2.0 | 3.3 |
| OpenCL | — | 1.1 |
| Vulkan | — | — |
| Pixel shader | 2.0 | — |
| Vertex shader | 2.0 | — |
| Shader model | — | 4.1 |
