NVIDIA GeForce 940M versus NVIDIA GeForce 840M
Comparaison des cartes vidéo NVIDIA GeForce 940M and NVIDIA GeForce 840M 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 1 ans 0 mois plus tard
- Environ 4% plus haut vitesse du noyau: 1072 MHz versus 1029 MHz
- Environ 5% plus de la vitesse augmenté: 1176 MHz versus 1124 MHz
- Environ 57% taux plus haut de remplissage de la texture: 28.22 GTexel / s versus 17.98 GTexel / s
- Environ 5% de meilleur performance á point flottant: 903.2 gflops versus 863.2 gflops
- Environ 3% meilleur performance en PassMark - G3D Mark: 1127 versus 1096
- Environ 2% meilleur performance en PassMark - G2D Mark: 154 versus 151
- Environ 4% meilleur performance en Geekbench - OpenCL: 5982 versus 5771
- Environ 14% meilleur performance en CompuBench 1.5 Desktop - Face Detection (mPixels/s): 25.98 versus 22.848
- Environ 4% meilleur performance en CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 168.449 versus 162.594
- Environ 6% meilleur performance en CompuBench 1.5 Desktop - T-Rex (Frames/s): 1.307 versus 1.237
- Environ 3% meilleur performance en CompuBench 1.5 Desktop - Video Composition (Frames/s): 21.837 versus 21.15
- Environ 6% meilleur performance en CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s): 101.399 versus 95.545
- Environ 2% meilleur performance en GFXBench 4.0 - Car Chase Offscreen (Frames): 2132 versus 2085
- Environ 12% meilleur performance en GFXBench 4.0 - Manhattan (Frames): 3065 versus 2736
- Environ 5% meilleur performance en GFXBench 4.0 - T-Rex (Frames): 3357 versus 3191
- Environ 2% meilleur performance en GFXBench 4.0 - Car Chase Offscreen (Fps): 2132 versus 2085
- Environ 12% meilleur performance en GFXBench 4.0 - Manhattan (Fps): 3065 versus 2736
- Environ 5% meilleur performance en GFXBench 4.0 - T-Rex (Fps): 3357 versus 3191
- Environ 1% meilleur performance en 3DMark Fire Strike - Graphics Score: 506 versus 503
| Caractéristiques | |
| Date de sortie | 13 March 2015 versus 12 March 2014 |
| Vitesse du noyau | 1072 MHz versus 1029 MHz |
| Vitesse augmenté | 1176 MHz versus 1124 MHz |
| Taux de remplissage de la texture | 28.22 GTexel / s versus 17.98 GTexel / s |
| Performance á point flottant | 903.2 gflops versus 863.2 gflops |
| Référence | |
| PassMark - G3D Mark | 1127 versus 1096 |
| PassMark - G2D Mark | 154 versus 151 |
| Geekbench - OpenCL | 5982 versus 5771 |
| CompuBench 1.5 Desktop - Face Detection (mPixels/s) | 25.98 versus 22.848 |
| CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) | 168.449 versus 162.594 |
| CompuBench 1.5 Desktop - T-Rex (Frames/s) | 1.307 versus 1.237 |
| CompuBench 1.5 Desktop - Video Composition (Frames/s) | 21.837 versus 21.15 |
| CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) | 101.399 versus 95.545 |
| GFXBench 4.0 - Car Chase Offscreen (Frames) | 2132 versus 2085 |
| GFXBench 4.0 - Manhattan (Frames) | 3065 versus 2736 |
| GFXBench 4.0 - T-Rex (Frames) | 3357 versus 3191 |
| GFXBench 4.0 - Car Chase Offscreen (Fps) | 2132 versus 2085 |
| GFXBench 4.0 - Manhattan (Fps) | 3065 versus 2736 |
| GFXBench 4.0 - T-Rex (Fps) | 3357 versus 3191 |
| 3DMark Fire Strike - Graphics Score | 506 versus 503 |
Raisons pour considerer le NVIDIA GeForce 840M
- 2x plus de taille maximale de mémoire : 4 GB versus 2 GB
- Environ 11% plus haut de vitesse de mémoire: 2002 MHz versus 1800 MHz
| Taille de mémore maximale | 4 GB versus 2 GB |
| Vitesse de mémoire | 2002 MHz versus 1800 MHz |
Comparer les références
GPU 1: NVIDIA GeForce 940M
GPU 2: NVIDIA GeForce 840M
| 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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| 3DMark Fire Strike - Graphics Score |
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| Nom | NVIDIA GeForce 940M | NVIDIA GeForce 840M |
|---|---|---|
| PassMark - G3D Mark | 1127 | 1096 |
| PassMark - G2D Mark | 154 | 151 |
| Geekbench - OpenCL | 5982 | 5771 |
| CompuBench 1.5 Desktop - Face Detection (mPixels/s) | 25.98 | 22.848 |
| CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) | 168.449 | 162.594 |
| CompuBench 1.5 Desktop - T-Rex (Frames/s) | 1.307 | 1.237 |
| CompuBench 1.5 Desktop - Video Composition (Frames/s) | 21.837 | 21.15 |
| CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) | 101.399 | 95.545 |
| GFXBench 4.0 - Car Chase Offscreen (Frames) | 2132 | 2085 |
| GFXBench 4.0 - Manhattan (Frames) | 3065 | 2736 |
| GFXBench 4.0 - T-Rex (Frames) | 3357 | 3191 |
| GFXBench 4.0 - Car Chase Offscreen (Fps) | 2132 | 2085 |
| GFXBench 4.0 - Manhattan (Fps) | 3065 | 2736 |
| GFXBench 4.0 - T-Rex (Fps) | 3357 | 3191 |
| 3DMark Fire Strike - Graphics Score | 506 | 503 |
Comparer les caractéristiques
| NVIDIA GeForce 940M | NVIDIA GeForce 840M | |
|---|---|---|
Essentiel |
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| Architecture | Maxwell | Maxwell |
| Nom de code | GM108 | GM108 |
| Date de sortie | 13 March 2015 | 12 March 2014 |
| Position dans l’évaluation de la performance | 1184 | 1235 |
| Genre | Laptop | Laptop |
Infos techniques |
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| Vitesse augmenté | 1176 MHz | 1124 MHz |
| Vitesse du noyau | 1072 MHz | 1029 MHz |
| Performance á point flottant | 903.2 gflops | 863.2 gflops |
| Processus de fabrication | 28 nm | 28 nm |
| Pipelines | 384 | 384 |
| Taux de remplissage de la texture | 28.22 GTexel / s | 17.98 GTexel / s |
| Thermal Design Power (TDP) | 33 Watt | 33 Watt |
| Compte de transistor | 1,870 million | |
Sorties et ports de vidéo |
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| Connecteurs d’écran | No outputs | No outputs |
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 x8 |
| Taille du laptop | medium sized | medium sized |
Soutien API |
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| DirectX | 12.0 (11_0) | 12.0 (11_0) |
| OpenGL | 4.5 | 4.5 |
Mémoire |
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| RAM maximale | 2 GB | 4 GB |
| Bande passante de la mémoire | 14.4 GB / s | 16.02 GB / s |
| Largeur du bus mémoire | 64 Bit | 64 Bit |
| Vitesse de mémoire | 1800 MHz | 2002 MHz |
| Genre de mémoire | DDR3 | DDR3 |
| Mémoire partagé | 0 | 0 |
Technologies |
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| CUDA | ||
| GameWorks | ||
| GeForce Experience | ||
| GPU Boost | ||
| Optimus | ||
Navigation
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