NVIDIA GeForce 820M versus NVIDIA Quadro K420
Comparaison des cartes vidéo NVIDIA GeForce 820M and NVIDIA Quadro K420 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 820M
- La carte vidéo est plus nouvelle: date de sortie 7 mois plus tard
- 1024x plus de taille maximale de mémoire : 1 GB versus 1 GB / 2 GB
- Environ 1% plus haut de vitesse de mémoire: 1802 MHz versus 1782 MHz
- Environ 50% meilleur performance en Geekbench - OpenCL: 2775 versus 1847
- Environ 30% meilleur performance en CompuBench 1.5 Desktop - Face Detection (mPixels/s): 7.765 versus 5.977
- Environ 61% meilleur performance en CompuBench 1.5 Desktop - T-Rex (Frames/s): 0.686 versus 0.427
- Environ 38% meilleur performance en CompuBench 1.5 Desktop - Video Composition (Frames/s): 14.257 versus 10.363
- Environ 32% meilleur performance en CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s): 22.768 versus 17.254
- 2.4x meilleur performance en GFXBench 4.0 - Manhattan (Frames): 1447 versus 598
- 2.7x meilleur performance en GFXBench 4.0 - T-Rex (Frames): 3349 versus 1241
- 2.4x meilleur performance en GFXBench 4.0 - Manhattan (Fps): 1447 versus 598
- 2.7x meilleur performance en GFXBench 4.0 - T-Rex (Fps): 3349 versus 1241
Caractéristiques | |
Date de sortie | 21 March 2015 versus 22 July 2014 |
Taille de mémore maximale | 1 GB versus 1 GB / 2 GB |
Vitesse de mémoire | 1802 MHz versus 1782 MHz |
Référence | |
Geekbench - OpenCL | 2775 versus 1847 |
CompuBench 1.5 Desktop - Face Detection (mPixels/s) | 7.765 versus 5.977 |
CompuBench 1.5 Desktop - T-Rex (Frames/s) | 0.686 versus 0.427 |
CompuBench 1.5 Desktop - Video Composition (Frames/s) | 14.257 versus 10.363 |
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) | 22.768 versus 17.254 |
GFXBench 4.0 - Manhattan (Frames) | 1447 versus 598 |
GFXBench 4.0 - T-Rex (Frames) | 3349 versus 1241 |
GFXBench 4.0 - Manhattan (Fps) | 1447 versus 598 |
GFXBench 4.0 - T-Rex (Fps) | 3349 versus 1241 |
Raisons pour considerer le NVIDIA Quadro K420
- Environ 8% plus haut vitesse du noyau: 876 MHz versus 810 MHz
- Environ 40% taux plus haut de remplissage de la texture: 14.02 GTexel / s versus 10 GTexel / s
- 2x plus de pipelines: 192 versus 96
- Environ 40% de meilleur performance á point flottant: 336.4 gflops versus 240.0 gflops
- Environ 10% consummation d’énergie moyen plus bas: 41 Watt versus 45 Watt
- Environ 50% meilleur performance en PassMark - G3D Mark: 744 versus 495
- 2.5x meilleur performance en PassMark - G2D Mark: 282 versus 113
- Environ 16% meilleur performance en CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 186.649 versus 161.305
- Environ 4% meilleur performance en GFXBench 4.0 - Car Chase Offscreen (Frames): 1245 versus 1195
- Environ 4% meilleur performance en GFXBench 4.0 - Car Chase Offscreen (Fps): 1245 versus 1195
Caractéristiques | |
Vitesse du noyau | 876 MHz versus 810 MHz |
Taux de remplissage de la texture | 14.02 GTexel / s versus 10 GTexel / s |
Pipelines | 192 versus 96 |
Performance á point flottant | 336.4 gflops versus 240.0 gflops |
Thermal Design Power (TDP) | 41 Watt versus 45 Watt |
Référence | |
PassMark - G3D Mark | 744 versus 495 |
PassMark - G2D Mark | 282 versus 113 |
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) | 186.649 versus 161.305 |
GFXBench 4.0 - Car Chase Offscreen (Frames) | 1245 versus 1195 |
GFXBench 4.0 - Car Chase Offscreen (Fps) | 1245 versus 1195 |
Comparer les références
GPU 1: NVIDIA GeForce 820M
GPU 2: NVIDIA Quadro K420
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 820M | NVIDIA Quadro K420 |
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PassMark - G3D Mark | 495 | 744 |
PassMark - G2D Mark | 113 | 282 |
Geekbench - OpenCL | 2775 | 1847 |
CompuBench 1.5 Desktop - Face Detection (mPixels/s) | 7.765 | 5.977 |
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) | 161.305 | 186.649 |
CompuBench 1.5 Desktop - T-Rex (Frames/s) | 0.686 | 0.427 |
CompuBench 1.5 Desktop - Video Composition (Frames/s) | 14.257 | 10.363 |
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) | 22.768 | 17.254 |
GFXBench 4.0 - Car Chase Offscreen (Frames) | 1195 | 1245 |
GFXBench 4.0 - Manhattan (Frames) | 1447 | 598 |
GFXBench 4.0 - T-Rex (Frames) | 3349 | 1241 |
GFXBench 4.0 - Car Chase Offscreen (Fps) | 1195 | 1245 |
GFXBench 4.0 - Manhattan (Fps) | 1447 | 598 |
GFXBench 4.0 - T-Rex (Fps) | 3349 | 1241 |
3DMark Fire Strike - Graphics Score | 847 |
Comparer les caractéristiques
NVIDIA GeForce 820M | NVIDIA Quadro K420 | |
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Essentiel |
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Architecture | Kepler | Kepler |
Nom de code | GK107 | GK107 |
Date de sortie | 21 March 2015 | 22 July 2014 |
Position dans l’évaluation de la performance | 1477 | 1478 |
Genre | Laptop | Workstation |
Prix de sortie (MSRP) | $96.67 | |
Prix maintenant | $89.99 | |
Valeur pour le prix (0-100) | 10.27 | |
Infos techniques |
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Vitesse du noyau | 810 MHz | 876 MHz |
Performance á point flottant | 240.0 gflops | 336.4 gflops |
Processus de fabrication | 28 nm | 28 nm |
Pipelines | 96 | 192 |
Taux de remplissage de la texture | 10 GTexel / s | 14.02 GTexel / s |
Thermal Design Power (TDP) | 45 Watt | 41 Watt |
Compte de transistor | 1,270 million | 1,270 million |
Sorties et ports de vidéo |
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Connecteurs d’écran | No outputs | DVI-I DP, 1x DVI, 1x DisplayPort |
Nombre d’écrans á la fois | 4 | |
Compatibilité, dimensions et exigences |
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Soutien de bus | PCI Express 2.0 | |
Interface | PCIe 3.0 x16 | PCIe 2.0 x16 |
Longeur | 160 mm | |
Connecteurs d’énergie supplementaires | None | |
Largeur | 1" (2.5 cm) | |
Soutien API |
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DirectX | 12.0 (11_0) | 12 |
OpenGL | 4.5 | 4.5 |
Shader Model | 5 | |
Vulkan | ||
Mémoire |
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RAM maximale | 1 GB | 1 GB / 2 GB |
Bande passante de la mémoire | 14.4 GB / s | |
Largeur du bus mémoire | 64 Bit | 128 Bit |
Vitesse de mémoire | 1802 MHz | 1782 MHz |
Genre de mémoire | DDR3 | 128 Bit |
Mémoire partagé | 0 | |
Technologies |
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CUDA | ||
GameWorks | ||
GPU Boost | ||
Optimus | ||
Verde Drivers | ||
3D Vision Pro | ||
Mosaic | ||
nView Desktop Management |