NVIDIA GeForce 840M versus NVIDIA GeForce GTX 850M
Comparaison des cartes vidéo NVIDIA GeForce 840M and NVIDIA GeForce GTX 850M 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
- Environ 36% consummation d’énergie moyen plus bas: 33 Watt versus 45 Watt
- 2x plus de taille maximale de mémoire : 4 GB versus 2 GB
| Thermal Design Power (TDP) | 33 Watt versus 45 Watt |
| Taille de mémore maximale | 4 GB versus 2 GB |
Raisons pour considerer le NVIDIA GeForce GTX 850M
- times}x plus de taux de remplissage de la texture: 36.08 GTexel / s versus 17.98 GTexel / s
- Environ 67% de pipelines plus haut: 640 versus 384
- Environ 34% de meilleur performance á point flottant: 1,155 gflops versus 863.2 gflops
- 2.3x meilleur performance en PassMark - G3D Mark: 2521 versus 1096
- Environ 49% meilleur performance en PassMark - G2D Mark: 225 versus 151
- Environ 70% meilleur performance en Geekbench - OpenCL: 9809 versus 5771
- Environ 65% meilleur performance en CompuBench 1.5 Desktop - Face Detection (mPixels/s): 37.761 versus 22.848
- 2.4x meilleur performance en CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 388.248 versus 162.594
- Environ 96% meilleur performance en CompuBench 1.5 Desktop - T-Rex (Frames/s): 2.428 versus 1.237
- Environ 84% meilleur performance en CompuBench 1.5 Desktop - Video Composition (Frames/s): 38.889 versus 21.15
- Environ 58% meilleur performance en CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s): 151.016 versus 95.545
- Environ 83% meilleur performance en GFXBench 4.0 - Car Chase Offscreen (Frames): 3817 versus 2085
- Environ 35% meilleur performance en GFXBench 4.0 - Manhattan (Frames): 3685 versus 2736
- Environ 5% meilleur performance en GFXBench 4.0 - T-Rex (Frames): 3353 versus 3191
- Environ 83% meilleur performance en GFXBench 4.0 - Car Chase Offscreen (Fps): 3817 versus 2085
- Environ 35% meilleur performance en GFXBench 4.0 - Manhattan (Fps): 3685 versus 2736
- Environ 5% meilleur performance en GFXBench 4.0 - T-Rex (Fps): 3353 versus 3191
- Environ 95% meilleur performance en 3DMark Fire Strike - Graphics Score: 979 versus 503
| Caractéristiques | |
| Taux de remplissage de la texture | 36.08 GTexel / s versus 17.98 GTexel / s |
| Pipelines | 640 versus 384 |
| Performance á point flottant | 1,155 gflops versus 863.2 gflops |
| Référence | |
| PassMark - G3D Mark | 2521 versus 1096 |
| PassMark - G2D Mark | 225 versus 151 |
| Geekbench - OpenCL | 9809 versus 5771 |
| CompuBench 1.5 Desktop - Face Detection (mPixels/s) | 37.761 versus 22.848 |
| CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) | 388.248 versus 162.594 |
| CompuBench 1.5 Desktop - T-Rex (Frames/s) | 2.428 versus 1.237 |
| CompuBench 1.5 Desktop - Video Composition (Frames/s) | 38.889 versus 21.15 |
| CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) | 151.016 versus 95.545 |
| GFXBench 4.0 - Car Chase Offscreen (Frames) | 3817 versus 2085 |
| GFXBench 4.0 - Manhattan (Frames) | 3685 versus 2736 |
| GFXBench 4.0 - T-Rex (Frames) | 3353 versus 3191 |
| GFXBench 4.0 - Car Chase Offscreen (Fps) | 3817 versus 2085 |
| GFXBench 4.0 - Manhattan (Fps) | 3685 versus 2736 |
| GFXBench 4.0 - T-Rex (Fps) | 3353 versus 3191 |
| 3DMark Fire Strike - Graphics Score | 979 versus 503 |
Comparer les références
GPU 1: NVIDIA GeForce 840M
GPU 2: NVIDIA GeForce GTX 850M
| 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 840M | NVIDIA GeForce GTX 850M |
|---|---|---|
| PassMark - G3D Mark | 1096 | 2521 |
| PassMark - G2D Mark | 151 | 225 |
| Geekbench - OpenCL | 5771 | 9809 |
| CompuBench 1.5 Desktop - Face Detection (mPixels/s) | 22.848 | 37.761 |
| CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) | 162.594 | 388.248 |
| CompuBench 1.5 Desktop - T-Rex (Frames/s) | 1.237 | 2.428 |
| CompuBench 1.5 Desktop - Video Composition (Frames/s) | 21.15 | 38.889 |
| CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) | 95.545 | 151.016 |
| GFXBench 4.0 - Car Chase Offscreen (Frames) | 2085 | 3817 |
| GFXBench 4.0 - Manhattan (Frames) | 2736 | 3685 |
| GFXBench 4.0 - T-Rex (Frames) | 3191 | 3353 |
| GFXBench 4.0 - Car Chase Offscreen (Fps) | 2085 | 3817 |
| GFXBench 4.0 - Manhattan (Fps) | 2736 | 3685 |
| GFXBench 4.0 - T-Rex (Fps) | 3191 | 3353 |
| 3DMark Fire Strike - Graphics Score | 503 | 979 |
Comparer les caractéristiques
| NVIDIA GeForce 840M | NVIDIA GeForce GTX 850M | |
|---|---|---|
Essentiel |
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| Architecture | Maxwell | Maxwell |
| Nom de code | GM108 | GM107 |
| Date de sortie | 12 March 2014 | 12 March 2014 |
| Position dans l’évaluation de la performance | 1235 | 896 |
| Genre | Laptop | Laptop |
Infos techniques |
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| Vitesse augmenté | 1124 MHz | |
| Vitesse du noyau | 1029 MHz | |
| Performance á point flottant | 863.2 gflops | 1,155 gflops |
| Processus de fabrication | 28 nm | 28 nm |
| Pipelines | 384 | 640 |
| Taux de remplissage de la texture | 17.98 GTexel / s | 36.08 GTexel / s |
| Thermal Design Power (TDP) | 33 Watt | 45 Watt |
| Noyaux CUDA | 640 | |
| Compte de transistor | 1,870 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 3840x2160 | |
| Soutien du signal sDP 1.2 | Up to 3840x2160 | |
| 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, 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) | 12.0 (11_0) |
| OpenGL | 4.5 | 4.5 |
| OpenCL | 1.1 | |
Mémoire |
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| RAM maximale | 4 GB | 2 GB |
| Bande passante de la mémoire | 16.02 GB / s | 80.0 GB / s |
| Largeur du bus mémoire | 64 Bit | 128 Bit |
| Vitesse de mémoire | 2002 MHz | |
| Genre de mémoire | DDR3 | DDR3, GDDR5 |
| Mémoire partagé | 0 | 0 |
| Configuration standard de la mémoire | DDR3 or GDDR5 | |
Technologies |
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| CUDA | ||
| GameWorks | ||
| GeForce Experience | ||
| GPU Boost | ||
| Optimus | ||
| 3D Blu-Ray | ||
| Adaptive VSync | ||
| Ansel | ||
| BatteryBoost | ||
| Direct Compute | ||
| FXAA | ||
| GeForce ShadowPlay | ||
| H.264, VC1, MPEG2 1080p video decoder | ||
| SLI | ||
| TXAA | ||
Navigation
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Comparer les cartes vidéo
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NVIDIAGeForce 840M vs
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