NVIDIA GeForce 620M versus NVIDIA GeForce GT 640M
Comparaison des cartes vidéo NVIDIA GeForce 620M and NVIDIA GeForce GT 640M pour tous les caractéristiques connus dans les catégories suivants: Essentiel, Infos techniques, Sorties et ports de vidéo, Compatibilité, dimensions et exigences, Soutien API, Mémoire, Technologies. Analyse du performance de référence des cartes vidéo: PassMark - G3D Mark, PassMark - G2D Mark, Geekbench - OpenCL, CompuBench 1.5 Desktop - Face Detection (mPixels/s), CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s), CompuBench 1.5 Desktop - T-Rex (Frames/s), CompuBench 1.5 Desktop - Video Composition (Frames/s), CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s), GFXBench 4.0 - Car Chase Offscreen (Frames), GFXBench 4.0 - Manhattan (Frames), GFXBench 4.0 - T-Rex (Frames), GFXBench 4.0 - Car Chase Offscreen (Fps), GFXBench 4.0 - Manhattan (Fps), GFXBench 4.0 - T-Rex (Fps).
Différences
Raisons pour considerer le NVIDIA GeForce 620M
- 2.1x consummation d’énergie moyen plus bas: 15 Watt versus 32 Watt
Thermal Design Power (TDP) | 15 Watt versus 32 Watt |
Raisons pour considerer le NVIDIA GeForce GT 640M
- 4x plus de pipelines: 384 versus 96
- 2x de meilleur performance á point flottant: 480.0 gflops versus 240.0 gflops
- 2x plus de taille maximale de mémoire : 2 GB versus 1 GB
Pipelines | 384 versus 96 |
Performance á point flottant | 480.0 gflops versus 240.0 gflops |
Taille de mémore maximale | 2 GB versus 1 GB |
Comparer les références
GPU 1: NVIDIA GeForce 620M
GPU 2: NVIDIA GeForce GT 640M
Nom | NVIDIA GeForce 620M | NVIDIA GeForce GT 640M |
---|---|---|
PassMark - G3D Mark | 925 | |
PassMark - G2D Mark | 199 | |
Geekbench - OpenCL | 3184 | |
CompuBench 1.5 Desktop - Face Detection (mPixels/s) | 7.861 | |
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) | 275.972 | |
CompuBench 1.5 Desktop - T-Rex (Frames/s) | 0.727 | |
CompuBench 1.5 Desktop - Video Composition (Frames/s) | 15.445 | |
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) | 17.381 | |
GFXBench 4.0 - Car Chase Offscreen (Frames) | 1476 | |
GFXBench 4.0 - Manhattan (Frames) | 1963 | |
GFXBench 4.0 - T-Rex (Frames) | 2580 | |
GFXBench 4.0 - Car Chase Offscreen (Fps) | 1476 | |
GFXBench 4.0 - Manhattan (Fps) | 1963 | |
GFXBench 4.0 - T-Rex (Fps) | 2580 |
Comparer les caractéristiques
NVIDIA GeForce 620M | NVIDIA GeForce GT 640M | |
---|---|---|
Essentiel |
||
Architecture | Fermi 2.0 | Kepler |
Nom de code | GF117 | GK107 |
Date de sortie | 22 March 2012 | 22 March 2012 |
Position dans l’évaluation de la performance | not rated | 1346 |
Genre | Desktop | Laptop |
Infos techniques |
||
Vitesse du noyau | 625 MHz | |
Performance á point flottant | 240.0 gflops | 480.0 gflops |
Processus de fabrication | 28 nm | 28 nm |
Pipelines | 96 | 384 |
Taux de remplissage de la texture | 10 GTexel / s | |
Thermal Design Power (TDP) | 15 Watt | 32 Watt |
Compte de transistor | 585 million | 1,270 million |
Vitesse augmenté | 645 MHz | |
Noyaux CUDA | 384 | |
Sorties et ports de vidéo |
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Connecteurs d’écran | No outputs | No outputs |
HDCP | ||
HDMI | ||
Résolution VGA maximale | Up to 2048x1536 | |
Compatibilité, dimensions et exigences |
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Interface | PCIe 2.0 x16 | PCIe 3.0 x16 |
Soutien de bus | PCI Express 2.0, PCI Express 3.0 | |
Taille du laptop | medium sized | |
Soutien API |
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DirectX | 12.0 (11_0) | 12 API |
OpenGL | 4.6 | 4.5 |
OpenCL | 1.1 | |
Mémoire |
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RAM maximale | 1 GB | 2 GB |
Bande passante de la mémoire | 14.4 GB / s | |
Largeur du bus mémoire | 64 Bit | 128bit |
Vitesse de mémoire | 1800 MHz | 1800 MHz |
Genre de mémoire | DDR3 | DDR3\GDDR5 |
Mémoire partagé | 0 | |
Technologies |
||
3D Blu-Ray | ||
3D Vision | ||
CUDA | ||
DirectCompute | ||
DirectX 11 | DirectX 11 | |
Optimus |