NVIDIA GeForce 9800M GS vs NVIDIA GeForce GT 820M
Processeur graphique
| Nom du GPU | G94 | GF117 |
|---|---|---|
| GPU variant | NB9E-GS1 | N15V-GM |
| Architecture | Tesla | Fermi 2.0 |
| Fonderie | TSMC | TSMC |
| Taille du processus | 65 nm | 28 nm |
| Transistors | 505 million | 585 million |
| Taille des matrices | 240 mm² | 116 mm² |
Graphiques mobiles
| Date de publication | Nov 1st, 2008 | Nov 27th, 2013 |
|---|---|---|
| Génération | GeForce 9M (9800M) | GeForce 800M |
| Production | End-of-life | End-of-life |
| Bus interface | PCIe 2.0 x16 | PCIe 2.0 x16 |
| Prédécesseur | GeForce 8M | GeForce 700M |
| Successeur | GeForce 100M | GeForce 900M |
Vitesse clock
| GPU clock | 530 MHz | 775 MHz |
|---|---|---|
| Shader clock | 1325 MHz | 1550 MHz |
| Mémoire clock | 800 MHz 1600 Mbps effective | 900 MHz 1800 Mbps effective |
Mémoire
| Taille de la mémoire | 512 MB | 1024 MB |
|---|---|---|
| Type de mémoire | GDDR3 | DDR3 |
| Bus mémoire | 256 bit | 64 bit |
| Bande passante | 51.20 GB/s | 14.40 GB/s |
Render Config
| Shading units | 64 | 96 |
|---|---|---|
| TMUs | 32 | 16 |
| ROPs | 16 | 8 |
| Comptage SM | 8 | 2 |
| Cache L2 | 64 KB | 128 KB |
| Cache L1 | — | 64 KB (per SM) |
Performance théorique
| Taux de pixel | 8.480 GPixel/s | 3.100 GPixel/s |
|---|---|---|
| Taux de texture | 16.96 GTexel/s | 12.40 GTexel/s |
| FP32 (float) performance | 169.6 GFLOPS | 297.6 GFLOPS |
| FP64 (double) performance | — | 24.80 GFLOPS (1:12) |
Board Design
| TDP | 60 W | 15 W |
|---|---|---|
| Sorties | No outputs | No outputs |
| Connecteurs de puissance | None | — |
| Board number | P610 | — |
Caractéristiques graphiques
| DirectX | 11.1 (10_0) | 12 (11_0) |
|---|---|---|
| OpenGL | 3.3 | 4.6 |
| OpenCL | 1.1 | 1.1 |
| Vulkan | — | — |
| CUDA | 1.1 | 2.1 |
| Shader model | 4.0 | 5.1 |
