ATI Radeon HD 4890 vs NVIDIA Quadro4 550 XGL
Processeur graphique
| Nom du GPU | RV790 | NV17 |
|---|---|---|
| GPU variant | RV790 XT (215-0758016) | NV17 GL |
| Architecture | TeraScale | Celsius |
| Fonderie | TSMC | TSMC |
| Taille du processus | 55 nm | 150 nm |
| Transistors | 959 million | 29 million |
| Taille des matrices | 282 mm² | 65 mm² |
Carte graphique
| Date de publication | Apr 2nd, 2009 | Feb 19th, 2002 |
|---|---|---|
| Génération | Radeon R700 | Quadro4 XGL |
| Production | End-of-life | End-of-life |
| Prix de lancement | 249 USD | — |
| Bus interface | PCIe 2.0 x16 | AGP 4x |
| Critiques | 114 in our database | 26 in our database |
| Prédécesseur | Radeon R600 | — |
| Successeur | Evergreen | — |
Vitesse clock
| GPU clock | 850 MHz | 270 MHz |
|---|---|---|
| Mémoire clock | 975 MHz 3.9 Gbps effective | 200 MHz 400 Mbps effective |
Mémoire
| Taille de la mémoire | 1024 MB | 64 MB |
|---|---|---|
| Type de mémoire | GDDR5 | DDR |
| Bus mémoire | 256 bit | 128 bit |
| Bande passante | 124.8 GB/s | 6.400 GB/s |
Render Config
| Shading units | 800 | — |
|---|---|---|
| TMUs | 40 | 4 |
| ROPs | 16 | 4 |
| Compute units | 10 | — |
| Cache L1 | 16 KB (per CU) | — |
| Cache L2 | 256 KB | — |
| Pixel shaders | — | 2 |
| Vertex shaders | — | 0 |
Performance théorique
| Taux de pixel | 13.60 GPixel/s | 1.080 GPixel/s |
|---|---|---|
| Taux de texture | 34.00 GTexel/s | 1.080 GTexel/s |
| FP32 (float) performance | 1,360 GFLOPS | — |
| FP64 (double) performance | 272.0 GFLOPS (1:5) | — |
Board Design
| Taille Slot | Dual-slot | Single-slot |
|---|---|---|
| Longueur | 241 mm 9.5 inches | — |
| Taille | 111 mm 4.4 inches | — |
| Taille | 40 mm 1.6 inches | — |
| TDP | 190 W | unknown |
| Suggestions pour le PSU | 450 W | 200 W |
| Sorties | 2x DVI1x S-Video | 1x LFH60 |
| Connecteurs de puissance | 2x 6-pin | None |
| Board number | B790-31 | — |
Caractéristiques graphiques
| DirectX | 10.1 (10_1) | 7.0 |
|---|---|---|
| OpenGL | 3.3 | 1.5 |
| OpenCL | 1.1 | — |
| Vulkan | — | — |
| Shader model | 4.1 | — |
| Pixel shader | — | 1.1 |
| Vertex shader | — | 1.1 |
