NVIDIA GeForce 940M versus NVIDIA GeForce GT 645M
Comparaison des cartes vidéo NVIDIA GeForce 940M 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), 3DMark Fire Strike - Graphics Score.
Différences
Raisons pour considerer le NVIDIA GeForce 940M
- La carte vidéo est plus nouvelle: date de sortie 2 ans 5 mois plus tard
- Environ 24% taux plus haut de remplissage de la texture: 28.22 GTexel / s versus 22.7 billion / sec
- Environ 66% de meilleur performance á point flottant: 903.2 gflops versus 544.5 gflops
- Environ 20% meilleur performance en PassMark - G3D Mark: 1127 versus 936
- 2.2x meilleur performance en Geekbench - OpenCL: 5982 versus 2683
- 3.1x meilleur performance en CompuBench 1.5 Desktop - Face Detection (mPixels/s): 25.98 versus 8.493
- Environ 51% meilleur performance en CompuBench 1.5 Desktop - T-Rex (Frames/s): 1.307 versus 0.863
- Environ 27% meilleur performance en CompuBench 1.5 Desktop - Video Composition (Frames/s): 21.837 versus 17.242
- 5.3x meilleur performance en CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s): 101.399 versus 19.116
- Environ 11% meilleur performance en GFXBench 4.0 - Car Chase Offscreen (Frames): 2132 versus 1913
- Environ 11% meilleur performance en GFXBench 4.0 - Car Chase Offscreen (Fps): 2132 versus 1913
| Caractéristiques | |
| Date de sortie | 13 March 2015 versus 1 October 2012 |
| Taux de remplissage de la texture | 28.22 GTexel / s versus 22.7 billion / sec |
| Performance á point flottant | 903.2 gflops versus 544.5 gflops |
| Référence | |
| PassMark - G3D Mark | 1127 versus 936 |
| Geekbench - OpenCL | 5982 versus 2683 |
| CompuBench 1.5 Desktop - Face Detection (mPixels/s) | 25.98 versus 8.493 |
| CompuBench 1.5 Desktop - T-Rex (Frames/s) | 1.307 versus 0.863 |
| CompuBench 1.5 Desktop - Video Composition (Frames/s) | 21.837 versus 17.242 |
| CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) | 101.399 versus 19.116 |
| GFXBench 4.0 - Car Chase Offscreen (Frames) | 2132 versus 1913 |
| GFXBench 4.0 - T-Rex (Frames) | 3357 versus 3341 |
| GFXBench 4.0 - Car Chase Offscreen (Fps) | 2132 versus 1913 |
| GFXBench 4.0 - T-Rex (Fps) | 3357 versus 3341 |
Raisons pour considerer le NVIDIA GeForce GT 645M
- Environ 3% consummation d’énergie moyen plus bas: 32 Watt versus 33 Watt
- Environ 6% meilleur performance en PassMark - G2D Mark: 164 versus 154
- Environ 69% meilleur performance en CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 285.42 versus 168.449
- Environ 20% meilleur performance en GFXBench 4.0 - Manhattan (Frames): 3670 versus 3065
- Environ 20% meilleur performance en GFXBench 4.0 - Manhattan (Fps): 3670 versus 3065
| Caractéristiques | |
| Thermal Design Power (TDP) | 32 Watt versus 33 Watt |
| Référence | |
| PassMark - G2D Mark | 164 versus 154 |
| CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) | 285.42 versus 168.449 |
| GFXBench 4.0 - Manhattan (Frames) | 3670 versus 3065 |
| GFXBench 4.0 - Manhattan (Fps) | 3670 versus 3065 |
Comparer les références
GPU 1: NVIDIA GeForce 940M
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 940M | NVIDIA GeForce GT 645M |
|---|---|---|
| PassMark - G3D Mark | 1127 | 936 |
| PassMark - G2D Mark | 154 | 164 |
| Geekbench - OpenCL | 5982 | 2683 |
| CompuBench 1.5 Desktop - Face Detection (mPixels/s) | 25.98 | 8.493 |
| CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) | 168.449 | 285.42 |
| CompuBench 1.5 Desktop - T-Rex (Frames/s) | 1.307 | 0.863 |
| CompuBench 1.5 Desktop - Video Composition (Frames/s) | 21.837 | 17.242 |
| CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) | 101.399 | 19.116 |
| GFXBench 4.0 - Car Chase Offscreen (Frames) | 2132 | 1913 |
| GFXBench 4.0 - Manhattan (Frames) | 3065 | 3670 |
| GFXBench 4.0 - T-Rex (Frames) | 3357 | 3341 |
| GFXBench 4.0 - Car Chase Offscreen (Fps) | 2132 | 1913 |
| GFXBench 4.0 - Manhattan (Fps) | 3065 | 3670 |
| GFXBench 4.0 - T-Rex (Fps) | 3357 | 3341 |
| 3DMark Fire Strike - Graphics Score | 506 |
Comparer les caractéristiques
| NVIDIA GeForce 940M | NVIDIA GeForce GT 645M | |
|---|---|---|
Essentiel |
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| Architecture | Maxwell | Kepler |
| Nom de code | GM108 | GK107 |
| Date de sortie | 13 March 2015 | 1 October 2012 |
| Position dans l’évaluation de la performance | 1184 | 1187 |
| Genre | Laptop | Laptop |
Infos techniques |
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| Vitesse augmenté | 1176 MHz | |
| Vitesse du noyau | 1072 MHz | |
| Performance á point flottant | 903.2 gflops | 544.5 gflops |
| Processus de fabrication | 28 nm | 28 nm |
| Pipelines | 384 | 384 |
| Taux de remplissage de la texture | 28.22 GTexel / s | 22.7 billion / sec |
| Thermal Design Power (TDP) | 33 Watt | 32 Watt |
| Compte de transistor | 1,870 million | 1,270 million |
| 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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| Soutien de bus | 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 | 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 | ||
| GeForce Experience | ||
| GPU Boost | ||
| Optimus | ||
| 3D Blu-Ray | ||
| 3D Vision | ||
| DirectCompute | ||
| DirectX 11 | DirectX 11 | |
