NVIDIA GeForce 830M versus NVIDIA GeForce GT 645M
Comparaison des cartes vidéo NVIDIA GeForce 830M and NVIDIA GeForce GT 645M 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 830M
- La carte vidéo est plus nouvelle: date de sortie 1 ans 5 mois plus tard
- Environ 8% de meilleur performance á point flottant: 588.8 gflops versus 544.5 gflops
- Environ 8% meilleur performance en PassMark - G3D Mark: 1008 versus 937
- Environ 58% meilleur performance en Geekbench - OpenCL: 4232 versus 2683
- 2x meilleur performance en CompuBench 1.5 Desktop - Face Detection (mPixels/s): 16.955 versus 8.493
- Environ 17% meilleur performance en CompuBench 1.5 Desktop - T-Rex (Frames/s): 1.013 versus 0.863
- Environ 3% meilleur performance en CompuBench 1.5 Desktop - Video Composition (Frames/s): 17.81 versus 17.242
- 3.5x meilleur performance en CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s): 67.443 versus 19.116
| Caractéristiques | |
| Date de sortie | 12 March 2014 versus 1 October 2012 |
| Performance á point flottant | 588.8 gflops versus 544.5 gflops |
| Référence | |
| PassMark - G3D Mark | 1008 versus 937 |
| Geekbench - OpenCL | 4232 versus 2683 |
| CompuBench 1.5 Desktop - Face Detection (mPixels/s) | 16.955 versus 8.493 |
| CompuBench 1.5 Desktop - T-Rex (Frames/s) | 1.013 versus 0.863 |
| CompuBench 1.5 Desktop - Video Composition (Frames/s) | 17.81 versus 17.242 |
| CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) | 67.443 versus 19.116 |
| GFXBench 4.0 - T-Rex (Frames) | 3352 versus 3341 |
| GFXBench 4.0 - T-Rex (Fps) | 3352 versus 3341 |
Raisons pour considerer le NVIDIA GeForce GT 645M
- Environ 23% taux plus haut de remplissage de la texture: 22.7 billion / sec versus 18.4 GTexel / s
- Environ 50% de pipelines plus haut: 384 versus 256
- Environ 3% consummation d’énergie moyen plus bas: 32 Watt versus 33 Watt
- Environ 18% meilleur performance en PassMark - G2D Mark: 162 versus 137
- Environ 82% meilleur performance en CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 285.42 versus 156.544
- Environ 11% meilleur performance en GFXBench 4.0 - Car Chase Offscreen (Frames): 1913 versus 1729
- Environ 2% meilleur performance en GFXBench 4.0 - Manhattan (Frames): 3670 versus 3589
- Environ 11% meilleur performance en GFXBench 4.0 - Car Chase Offscreen (Fps): 1913 versus 1729
- Environ 2% meilleur performance en GFXBench 4.0 - Manhattan (Fps): 3670 versus 3589
| Caractéristiques | |
| Taux de remplissage de la texture | 22.7 billion / sec versus 18.4 GTexel / s |
| Pipelines | 384 versus 256 |
| Thermal Design Power (TDP) | 32 Watt versus 33 Watt |
| Référence | |
| PassMark - G2D Mark | 162 versus 137 |
| CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) | 285.42 versus 156.544 |
| GFXBench 4.0 - Car Chase Offscreen (Frames) | 1913 versus 1729 |
| GFXBench 4.0 - Manhattan (Frames) | 3670 versus 3589 |
| GFXBench 4.0 - Car Chase Offscreen (Fps) | 1913 versus 1729 |
| GFXBench 4.0 - Manhattan (Fps) | 3670 versus 3589 |
Comparer les références
GPU 1: NVIDIA GeForce 830M
GPU 2: NVIDIA GeForce GT 645M
| 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 830M | NVIDIA GeForce GT 645M |
|---|---|---|
| PassMark - G3D Mark | 1008 | 937 |
| PassMark - G2D Mark | 137 | 162 |
| Geekbench - OpenCL | 4232 | 2683 |
| CompuBench 1.5 Desktop - Face Detection (mPixels/s) | 16.955 | 8.493 |
| CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) | 156.544 | 285.42 |
| CompuBench 1.5 Desktop - T-Rex (Frames/s) | 1.013 | 0.863 |
| CompuBench 1.5 Desktop - Video Composition (Frames/s) | 17.81 | 17.242 |
| CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) | 67.443 | 19.116 |
| GFXBench 4.0 - Car Chase Offscreen (Frames) | 1729 | 1913 |
| GFXBench 4.0 - Manhattan (Frames) | 3589 | 3670 |
| GFXBench 4.0 - T-Rex (Frames) | 3352 | 3341 |
| GFXBench 4.0 - Car Chase Offscreen (Fps) | 1729 | 1913 |
| GFXBench 4.0 - Manhattan (Fps) | 3589 | 3670 |
| GFXBench 4.0 - T-Rex (Fps) | 3352 | 3341 |
Comparer les caractéristiques
| NVIDIA GeForce 830M | NVIDIA GeForce GT 645M | |
|---|---|---|
Essentiel |
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| Architecture | Maxwell | Kepler |
| Nom de code | GM108 | GK107 |
| Date de sortie | 12 March 2014 | 1 October 2012 |
| Position dans l’évaluation de la performance | 1218 | 1221 |
| Genre | Laptop | Laptop |
Infos techniques |
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| Vitesse augmenté | 1150 MHz | |
| Vitesse du noyau | 1082 MHz | |
| Performance á point flottant | 588.8 gflops | 544.5 gflops |
| Processus de fabrication | 28 nm | 28 nm |
| Pipelines | 256 | 384 |
| Taux de remplissage de la texture | 18.4 GTexel / s | 22.7 billion / sec |
| Thermal Design Power (TDP) | 33 Watt | 32 Watt |
| Noyaux CUDA | 384 | |
| Compte de transistor | 1,270 million | |
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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| Soutien de bus | PCI Express 2.0, PCI Express 3.0 | PCI Express 2.0, PCI Express 3.0 |
| Interface | PCIe 3.0 x8 | PCIe 3.0 x16 |
| Taille du laptop | medium sized | |
Soutien API |
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| DirectX | 12.0 (11_0) | 12 API |
| OpenGL | 4.5 | 4.5 |
| OpenCL | 1.1 | |
Mémoire |
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| RAM maximale | 2 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 | 0 |
Technologies |
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| CUDA | ||
| GameWorks | ||
| GPU Boost | ||
| Optimus | ||
| 3D Blu-Ray | ||
| 3D Vision | ||
| DirectCompute | ||
| DirectX 11 | DirectX 11 | |
Navigation
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