NVIDIA GeForce GT 640M LE versus NVIDIA GeForce GT 640M
Comparaison des cartes vidéo NVIDIA GeForce GT 640M LE 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 GT 640M LE
- La carte vidéo est plus nouvelle: date de sortie 1 mois plus tard
- Environ 60% consummation d’énergie moyen plus bas: 20 Watt versus 32 Watt
- Environ 74% plus haut de vitesse de mémoire: 3140 MHz versus 1800 MHz
- Environ 7% meilleur performance en GFXBench 4.0 - Car Chase Offscreen (Frames): 1583 versus 1476
- Environ 17% meilleur performance en GFXBench 4.0 - Manhattan (Frames): 2289 versus 1963
- Environ 21% meilleur performance en GFXBench 4.0 - T-Rex (Frames): 3127 versus 2580
- Environ 7% meilleur performance en GFXBench 4.0 - Car Chase Offscreen (Fps): 1583 versus 1476
- Environ 17% meilleur performance en GFXBench 4.0 - Manhattan (Fps): 2289 versus 1963
- Environ 21% meilleur performance en GFXBench 4.0 - T-Rex (Fps): 3127 versus 2580
| Caractéristiques | |
| Date de sortie | 4 May 2012 versus 22 March 2012 |
| Thermal Design Power (TDP) | 20 Watt versus 32 Watt |
| Vitesse de mémoire | 3140 MHz versus 1800 MHz |
| Référence | |
| GFXBench 4.0 - Car Chase Offscreen (Frames) | 1583 versus 1476 |
| GFXBench 4.0 - Manhattan (Frames) | 2289 versus 1963 |
| GFXBench 4.0 - T-Rex (Frames) | 3127 versus 2580 |
| GFXBench 4.0 - Car Chase Offscreen (Fps) | 1583 versus 1476 |
| GFXBench 4.0 - Manhattan (Fps) | 2289 versus 1963 |
| GFXBench 4.0 - T-Rex (Fps) | 3127 versus 2580 |
Raisons pour considerer le NVIDIA GeForce GT 640M
- Environ 25% de meilleur performance á point flottant: 480.0 gflops versus 384.0 gflops
- Un nouveau processus de fabrication soutient une carte vidéo plus forte, mais moins chaude: 28 nm versus 40 nm
- 2x plus de taille maximale de mémoire : 2 GB versus 1 GB
- Environ 30% meilleur performance en PassMark - G3D Mark: 925 versus 709
- Environ 15% meilleur performance en PassMark - G2D Mark: 199 versus 173
- Environ 36% meilleur performance en Geekbench - OpenCL: 3184 versus 2344
- Environ 21% meilleur performance en CompuBench 1.5 Desktop - Face Detection (mPixels/s): 7.861 versus 6.495
- Environ 10% meilleur performance en CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 275.972 versus 251.012
- Environ 12% meilleur performance en CompuBench 1.5 Desktop - T-Rex (Frames/s): 0.727 versus 0.649
- Environ 16% meilleur performance en CompuBench 1.5 Desktop - Video Composition (Frames/s): 15.445 versus 13.333
- Environ 25% meilleur performance en CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s): 17.381 versus 13.954
| Caractéristiques | |
| Performance á point flottant | 480.0 gflops versus 384.0 gflops |
| Processus de fabrication | 28 nm versus 40 nm |
| Taille de mémore maximale | 2 GB versus 1 GB |
| Référence | |
| PassMark - G3D Mark | 925 versus 709 |
| PassMark - G2D Mark | 199 versus 173 |
| Geekbench - OpenCL | 3184 versus 2344 |
| CompuBench 1.5 Desktop - Face Detection (mPixels/s) | 7.861 versus 6.495 |
| CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) | 275.972 versus 251.012 |
| CompuBench 1.5 Desktop - T-Rex (Frames/s) | 0.727 versus 0.649 |
| CompuBench 1.5 Desktop - Video Composition (Frames/s) | 15.445 versus 13.333 |
| CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) | 17.381 versus 13.954 |
Comparer les références
GPU 1: NVIDIA GeForce GT 640M LE
GPU 2: NVIDIA GeForce GT 640M
| PassMark - G3D Mark |
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| PassMark - G2D Mark |
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| Geekbench - OpenCL |
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| CompuBench 1.5 Desktop - Face Detection (mPixels/s) |
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| CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) |
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| CompuBench 1.5 Desktop - T-Rex (Frames/s) |
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| CompuBench 1.5 Desktop - Video Composition (Frames/s) |
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| CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) |
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| GFXBench 4.0 - Car Chase Offscreen (Frames) |
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| GFXBench 4.0 - Manhattan (Frames) |
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| GFXBench 4.0 - T-Rex (Frames) |
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| GFXBench 4.0 - Car Chase Offscreen (Fps) |
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| GFXBench 4.0 - Manhattan (Fps) |
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| GFXBench 4.0 - T-Rex (Fps) |
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| Nom | NVIDIA GeForce GT 640M LE | NVIDIA GeForce GT 640M |
|---|---|---|
| PassMark - G3D Mark | 709 | 925 |
| PassMark - G2D Mark | 173 | 199 |
| Geekbench - OpenCL | 2344 | 3184 |
| CompuBench 1.5 Desktop - Face Detection (mPixels/s) | 6.495 | 7.861 |
| CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) | 251.012 | 275.972 |
| CompuBench 1.5 Desktop - T-Rex (Frames/s) | 0.649 | 0.727 |
| CompuBench 1.5 Desktop - Video Composition (Frames/s) | 13.333 | 15.445 |
| CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) | 13.954 | 17.381 |
| GFXBench 4.0 - Car Chase Offscreen (Frames) | 1583 | 1476 |
| GFXBench 4.0 - Manhattan (Frames) | 2289 | 1963 |
| GFXBench 4.0 - T-Rex (Frames) | 3127 | 2580 |
| GFXBench 4.0 - Car Chase Offscreen (Fps) | 1583 | 1476 |
| GFXBench 4.0 - Manhattan (Fps) | 2289 | 1963 |
| GFXBench 4.0 - T-Rex (Fps) | 3127 | 2580 |
Comparer les caractéristiques
| NVIDIA GeForce GT 640M LE | NVIDIA GeForce GT 640M | |
|---|---|---|
Essentiel |
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| Architecture | Fermi | Kepler |
| Nom de code | GF108 | GK107 |
| Date de sortie | 4 May 2012 | 22 March 2012 |
| Prix de sortie (MSRP) | $849.99 | |
| Position dans l’évaluation de la performance | 1345 | 1346 |
| Prix maintenant | $849.99 | |
| Genre | Laptop | Laptop |
| Valeur pour le prix (0-100) | 1.17 | |
Infos techniques |
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| Noyaux CUDA | Up to 384 | 384 |
| Performance á point flottant | 384.0 gflops | 480.0 gflops |
| Processus de fabrication | 40 nm | 28 nm |
| Pipelines | 384 | 384 |
| Thermal Design Power (TDP) | 20 Watt | 32 Watt |
| Compte de transistor | 585 million | 1,270 million |
| Vitesse augmenté | 645 MHz | |
Sorties et ports de vidéo |
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| Connecteurs d’écran | No outputs | No outputs |
| HDCP | ||
| HDMI | ||
| Résolution VGA maximale | Up to 2048x1536 | Up to 2048x1536 |
Compatibilité, dimensions et exigences |
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| Soutien de bus | PCI Express 2.0, PCI Express 3.0 | PCI Express 2.0, PCI Express 3.0 |
| Interface | PCIe 2.0 x16 | PCIe 3.0 x16 |
| Taille du laptop | medium sized | medium sized |
Soutien API |
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| DirectX | 12 API | 12 API |
| OpenCL | 1.1 | 1.1 |
| OpenGL | 4.5 | 4.5 |
Mémoire |
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| RAM maximale | 1 GB | 2 GB |
| Largeur du bus mémoire | 128bit | 128bit |
| Vitesse de mémoire | 3140 MHz | 1800 MHz |
| Genre de mémoire | DDR3\DDR5 | DDR3\GDDR5 |
| Mémoire partagé | 0 | 0 |
Technologies |
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| 3D Blu-Ray | ||
| 3D Vision | ||
| 3D Vision / 3DTV Play | ||
| CUDA | ||
| DirectCompute | ||
| DirectX 11 | DirectX 11 | DirectX 11 |
| Optimus | ||
| Verde Drivers | ||
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