NVIDIA GeForce 8800 Ultra vs NVIDIA GeForce GT 720 OEM
Processeur graphique
| Nom du GPU | G80 | GK107 |
|---|---|---|
| GPU variant | G80-450-A3 | — |
| Architecture | Tesla | Kepler |
| Fonderie | TSMC | TSMC |
| Taille du processus | 90 nm | 28 nm |
| Transistors | 681 million | 1,270 million |
| Taille des matrices | 484 mm² | 118 mm² |
Carte graphique
| Date de publication | May 2nd, 2007 | Oct 29th, 2017 |
|---|---|---|
| Génération | GeForce 8 | GeForce 700 |
| Production | End-of-life | End-of-life |
| Prix de lancement | 829 USD | — |
| Bus interface | PCIe 1.0 x16 | PCIe 3.0 x16 |
| Critiques | 403 in our database | — |
| Prédécesseur | GeForce 7 PCIe | GeForce 600 |
| Successeur | GeForce 9 | GeForce 900 |
Vitesse clock
| GPU clock | 612 MHz | 993 MHz |
|---|---|---|
| Shader clock | 1512 MHz | — |
| Mémoire clock | 1080 MHz 2.2 Gbps effective | 891 MHz 1782 Mbps effective |
Mémoire
| Taille de la mémoire | 768 MB | 1024 MB |
|---|---|---|
| Type de mémoire | GDDR3 | DDR3 |
| Bus mémoire | 384 bit | 128 bit |
| Bande passante | 103.7 GB/s | 28.51 GB/s |
Render Config
| Shading units | 128 | 192 |
|---|---|---|
| TMUs | 32 | 16 |
| ROPs | 24 | 16 |
| Comptage SM | 16 | — |
| Cache L2 | 96 KB | 256 KB |
| Comptage SMX | — | 1 |
| Cache L1 | — | 16 KB (per SMX) |
Performance théorique
| Taux de pixel | 14.69 GPixel/s | 3.972 GPixel/s |
|---|---|---|
| Taux de texture | 39.17 GTexel/s | 15.89 GTexel/s |
| FP32 (float) performance | 387.1 GFLOPS | 381.3 GFLOPS |
| FP64 (double) performance | — | 15.89 GFLOPS (1:24) |
Board Design
| Taille Slot | Dual-slot | Single-slot |
|---|---|---|
| Longueur | 270 mm 10.6 inches | 145 mm 5.7 inches |
| TDP | 171 W | 50 W |
| Suggestions pour le PSU | 450 W | 250 W |
| Sorties | 2x DVI1x S-Video | 1x DVI1x HDMI1x VGA |
| Connecteurs de puissance | 2x 6-pin | None |
| Board number | P355 | P2011 |
Caractéristiques graphiques
| DirectX | 11.1 (10_0) | 12 (11_0) |
|---|---|---|
| OpenGL | 3.3 | 4.6 |
| OpenCL | 1.1 (1.0) | 3.0 |
| Vulkan | — | 1.1 |
| CUDA | 1.0 | 3.0 |
| Shader model | 4.0 | 5.1 |
