NVIDIA GeForce 840M versus NVIDIA GeForce 705M
Comparaison des cartes vidéo NVIDIA GeForce 840M and NVIDIA GeForce 705M 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 840M
- La carte vidéo est plus nouvelle: date de sortie 5 mois plus tard
- Environ 39% plus haut vitesse du noyau: 1029 MHz versus 738 MHz
- times}x plus de taux de remplissage de la texture: 17.98 GTexel / s versus 5.904 GTexel / s
- 8x plus de pipelines: 384 versus 48
- 6.1x de meilleur performance á point flottant: 863.2 gflops versus 141.7 gflops
- 4x plus de taille maximale de mémoire : 4 GB versus 1 GB
- Environ 11% plus haut de vitesse de mémoire: 2002 MHz versus 1800 MHz
- 2.4x meilleur performance en PassMark - G3D Mark: 1096 versus 456
- 5x meilleur performance en CompuBench 1.5 Desktop - Face Detection (mPixels/s): 22.848 versus 4.569
- Environ 41% meilleur performance en CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 162.594 versus 115.15
- 3.3x meilleur performance en CompuBench 1.5 Desktop - T-Rex (Frames/s): 1.237 versus 0.373
- 2.7x meilleur performance en CompuBench 1.5 Desktop - Video Composition (Frames/s): 21.15 versus 7.904
- 8.6x meilleur performance en CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s): 95.545 versus 11.055
- 2.4x meilleur performance en GFXBench 4.0 - Manhattan (Frames): 2736 versus 1131
- Environ 96% meilleur performance en GFXBench 4.0 - T-Rex (Frames): 3191 versus 1629
- 2.4x meilleur performance en GFXBench 4.0 - Manhattan (Fps): 2736 versus 1131
- Environ 96% meilleur performance en GFXBench 4.0 - T-Rex (Fps): 3191 versus 1629
| Caractéristiques | |
| Date de sortie | 12 March 2014 versus 27 September 2013 |
| Vitesse du noyau | 1029 MHz versus 738 MHz |
| Taux de remplissage de la texture | 17.98 GTexel / s versus 5.904 GTexel / s |
| Pipelines | 384 versus 48 |
| Performance á point flottant | 863.2 gflops versus 141.7 gflops |
| Taille de mémore maximale | 4 GB versus 1 GB |
| Vitesse de mémoire | 2002 MHz versus 1800 MHz |
| Référence | |
| PassMark - G3D Mark | 1096 versus 456 |
| CompuBench 1.5 Desktop - Face Detection (mPixels/s) | 22.848 versus 4.569 |
| CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) | 162.594 versus 115.15 |
| CompuBench 1.5 Desktop - T-Rex (Frames/s) | 1.237 versus 0.373 |
| CompuBench 1.5 Desktop - Video Composition (Frames/s) | 21.15 versus 7.904 |
| CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) | 95.545 versus 11.055 |
| GFXBench 4.0 - Manhattan (Frames) | 2736 versus 1131 |
| GFXBench 4.0 - T-Rex (Frames) | 3191 versus 1629 |
| GFXBench 4.0 - Manhattan (Fps) | 2736 versus 1131 |
| GFXBench 4.0 - T-Rex (Fps) | 3191 versus 1629 |
Raisons pour considerer le NVIDIA GeForce 705M
- 2.2x consummation d’énergie moyen plus bas: 15 Watt versus 33 Watt
- 3x meilleur performance en PassMark - G2D Mark: 455 versus 151
| Caractéristiques | |
| Thermal Design Power (TDP) | 15 Watt versus 33 Watt |
| Référence | |
| PassMark - G2D Mark | 455 versus 151 |
Comparer les références
GPU 1: NVIDIA GeForce 840M
GPU 2: NVIDIA GeForce 705M
| PassMark - G3D Mark |
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| PassMark - G2D Mark |
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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 - Manhattan (Frames) |
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| GFXBench 4.0 - T-Rex (Frames) |
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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 840M | NVIDIA GeForce 705M |
|---|---|---|
| PassMark - G3D Mark | 1096 | 456 |
| PassMark - G2D Mark | 151 | 455 |
| Geekbench - OpenCL | 5745 | |
| CompuBench 1.5 Desktop - Face Detection (mPixels/s) | 22.848 | 4.569 |
| CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) | 162.594 | 115.15 |
| CompuBench 1.5 Desktop - T-Rex (Frames/s) | 1.237 | 0.373 |
| CompuBench 1.5 Desktop - Video Composition (Frames/s) | 21.15 | 7.904 |
| CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) | 95.545 | 11.055 |
| GFXBench 4.0 - Car Chase Offscreen (Frames) | 2085 | |
| GFXBench 4.0 - Manhattan (Frames) | 2736 | 1131 |
| GFXBench 4.0 - T-Rex (Frames) | 3191 | 1629 |
| GFXBench 4.0 - Car Chase Offscreen (Fps) | 2085 | |
| GFXBench 4.0 - Manhattan (Fps) | 2736 | 1131 |
| GFXBench 4.0 - T-Rex (Fps) | 3191 | 1629 |
| 3DMark Fire Strike - Graphics Score | 503 |
Comparer les caractéristiques
| NVIDIA GeForce 840M | NVIDIA GeForce 705M | |
|---|---|---|
Essentiel |
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| Architecture | Maxwell | Fermi 2.0 |
| Nom de code | GM108 | GF117 |
| Date de sortie | 12 March 2014 | 27 September 2013 |
| Position dans l’évaluation de la performance | 1248 | 1250 |
| Genre | Laptop | Laptop |
Infos techniques |
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| Vitesse augmenté | 1124 MHz | |
| Vitesse du noyau | 1029 MHz | 738 MHz |
| Performance á point flottant | 863.2 gflops | 141.7 gflops |
| Processus de fabrication | 28 nm | 28 nm |
| Pipelines | 384 | 48 |
| Taux de remplissage de la texture | 17.98 GTexel / s | 5.904 GTexel / s |
| Thermal Design Power (TDP) | 33 Watt | 15 Watt |
| Compte de transistor | 585 million | |
Sorties et ports de vidéo |
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| Connecteurs d’écran | No outputs | No outputs |
| Audio HD reseau 7.1 sur HDMI | ||
| Soutien de DisplayPort Multimode (DP++) | Up to 2560x1600 | |
| Soutien du signal sDP 1.2 | Up to 2560x1600 | |
| Protection du contenu HDCP | ||
| HDMI | ||
| Support du signale LVDS | Up to 1920x1200 | |
| Bitstreaming d’audio TrueHD et DTS-HD | ||
| Soutien de l’écran analog VGA | 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 |
| Interface | PCIe 3.0 x8 | PCIe 2.0 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 | 4 GB | 1 GB |
| Bande passante de la mémoire | 16.02 GB / s | 14.4 GB / s |
| Largeur du bus mémoire | 64 Bit | 64 Bit |
| Vitesse de mémoire | 2002 MHz | 1800 MHz |
| Genre de mémoire | DDR3 | DDR3 |
| Mémoire partagé | 0 | 0 |
| Configuration standard de la mémoire | DDR3 | |
Technologies |
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| CUDA | ||
| GameWorks | ||
| GeForce Experience | ||
| GPU Boost | ||
| Optimus | ||
| Blu-Ray 3D Support | ||
| Direct Compute | ||
| FXAA | ||
| H.264, VC1, MPEG2 1080p video decoder | ||
Navigation
Choisir un GPU
Comparer les cartes vidéo
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NVIDIAGeForce 840M vs
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NVIDIAGeForce 840M vs
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NVIDIAGeForce 840M vs
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