NVIDIA GeForce GT 645M versus NVIDIA GeForce GT 650M
Comparaison des cartes vidéo NVIDIA GeForce GT 645M and NVIDIA GeForce GT 650M 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), 3DMark Fire Strike - Graphics Score.
Différences
Raisons pour considerer le NVIDIA GeForce GT 645M
- La carte vidéo est plus nouvelle: date de sortie 6 mois plus tard
- Environ 41% consummation d’énergie moyen plus bas: 32 Watt versus 45 Watt
- 2x plus de taille maximale de mémoire : 2 GB versus 1 GB
- Environ 11% meilleur performance en GFXBench 4.0 - Manhattan (Frames): 3670 versus 3299
- Environ 75% meilleur performance en GFXBench 4.0 - T-Rex (Frames): 3341 versus 1913
- Environ 11% meilleur performance en GFXBench 4.0 - Manhattan (Fps): 3670 versus 3299
- Environ 75% meilleur performance en GFXBench 4.0 - T-Rex (Fps): 3341 versus 1913
| Caractéristiques | |
| Date de sortie | 1 October 2012 versus 22 March 2012 |
| Thermal Design Power (TDP) | 32 Watt versus 45 Watt |
| Taille de mémore maximale | 2 GB versus 1 GB |
| Référence | |
| GFXBench 4.0 - Manhattan (Frames) | 3670 versus 3299 |
| GFXBench 4.0 - T-Rex (Frames) | 3341 versus 1913 |
| GFXBench 4.0 - Manhattan (Fps) | 3670 versus 3299 |
| GFXBench 4.0 - T-Rex (Fps) | 3341 versus 1913 |
Raisons pour considerer le NVIDIA GeForce GT 650M
- Environ 20% de meilleur performance á point flottant: 652.8 gflops versus 544.5 gflops
- Environ 29% meilleur performance en PassMark - G3D Mark: 1202 versus 932
- Environ 47% meilleur performance en PassMark - G2D Mark: 236 versus 161
- Environ 42% meilleur performance en Geekbench - OpenCL: 3788 versus 2659
- Environ 17% meilleur performance en CompuBench 1.5 Desktop - Face Detection (mPixels/s): 9.947 versus 8.493
- Environ 19% meilleur performance en CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 340.824 versus 285.42
- Environ 14% meilleur performance en CompuBench 1.5 Desktop - T-Rex (Frames/s): 0.982 versus 0.863
- Environ 9% meilleur performance en CompuBench 1.5 Desktop - Video Composition (Frames/s): 18.773 versus 17.242
- Environ 21% meilleur performance en CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s): 23.111 versus 19.116
- Environ 19% meilleur performance en GFXBench 4.0 - Car Chase Offscreen (Frames): 2283 versus 1913
- Environ 19% meilleur performance en GFXBench 4.0 - Car Chase Offscreen (Fps): 2283 versus 1913
| Caractéristiques | |
| Performance á point flottant | 652.8 gflops versus 544.5 gflops |
| Référence | |
| PassMark - G3D Mark | 1202 versus 932 |
| PassMark - G2D Mark | 236 versus 161 |
| Geekbench - OpenCL | 3788 versus 2659 |
| CompuBench 1.5 Desktop - Face Detection (mPixels/s) | 9.947 versus 8.493 |
| CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) | 340.824 versus 285.42 |
| CompuBench 1.5 Desktop - T-Rex (Frames/s) | 0.982 versus 0.863 |
| CompuBench 1.5 Desktop - Video Composition (Frames/s) | 18.773 versus 17.242 |
| CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) | 23.111 versus 19.116 |
| GFXBench 4.0 - Car Chase Offscreen (Frames) | 2283 versus 1913 |
| GFXBench 4.0 - Car Chase Offscreen (Fps) | 2283 versus 1913 |
Comparer les références
GPU 1: NVIDIA GeForce GT 645M
GPU 2: NVIDIA GeForce GT 650M
| 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 645M | NVIDIA GeForce GT 650M |
|---|---|---|
| PassMark - G3D Mark | 932 | 1202 |
| PassMark - G2D Mark | 161 | 236 |
| Geekbench - OpenCL | 2659 | 3788 |
| CompuBench 1.5 Desktop - Face Detection (mPixels/s) | 8.493 | 9.947 |
| CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) | 285.42 | 340.824 |
| CompuBench 1.5 Desktop - T-Rex (Frames/s) | 0.863 | 0.982 |
| CompuBench 1.5 Desktop - Video Composition (Frames/s) | 17.242 | 18.773 |
| CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) | 19.116 | 23.111 |
| GFXBench 4.0 - Car Chase Offscreen (Frames) | 1913 | 2283 |
| GFXBench 4.0 - Manhattan (Frames) | 3670 | 3299 |
| GFXBench 4.0 - T-Rex (Frames) | 3341 | 1913 |
| GFXBench 4.0 - Car Chase Offscreen (Fps) | 1913 | 2283 |
| GFXBench 4.0 - Manhattan (Fps) | 3670 | 3299 |
| GFXBench 4.0 - T-Rex (Fps) | 3341 | 1913 |
| 3DMark Fire Strike - Graphics Score | 414 |
Comparer les caractéristiques
| NVIDIA GeForce GT 645M | NVIDIA GeForce GT 650M | |
|---|---|---|
Essentiel |
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| Architecture | Kepler | Kepler |
| Nom de code | GK107 | GK107 |
| Date de sortie | 1 October 2012 | 22 March 2012 |
| Position dans l’évaluation de la performance | 1214 | 1215 |
| Genre | Laptop | Laptop |
Infos techniques |
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| Noyaux CUDA | 384 | 384 |
| Performance á point flottant | 544.5 gflops | 652.8 gflops |
| Processus de fabrication | 28 nm | 28 nm |
| Pipelines | 384 | 384 |
| Taux de remplissage de la texture | 22.7 billion / sec | |
| Thermal Design Power (TDP) | 32 Watt | 45 Watt |
| Compte de transistor | 1,270 million | 1,270 million |
| Vitesse augmenté | 950 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 3.0 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 | 2 GB | 1 GB |
| Largeur du bus mémoire | 128bit | 128bit |
| Vitesse de mémoire | 1800 MHz | 1800 MHz |
| Genre de mémoire | DDR3\GDDR5 | DDR3\GDDR5 |
| Mémoire partagé | 0 | 0 |
Technologies |
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| 3D Blu-Ray | ||
| 3D Vision | ||
| CUDA | ||
| DirectCompute | ||
| DirectX 11 | DirectX 11 | DirectX 11 |
| Optimus | ||
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