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 29% meilleur performance en CompuBench 1.5 Desktop - Face Detection (mPixels/s): 7.765 versus 6
- Environ 58% meilleur performance en CompuBench 1.5 Desktop - T-Rex (Frames/s): 0.686 versus 0.433
- Environ 38% meilleur performance en CompuBench 1.5 Desktop - Video Composition (Frames/s): 14.257 versus 10.365
- Environ 28% meilleur performance en CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s): 22.768 versus 17.75
- 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 6 |
| CompuBench 1.5 Desktop - T-Rex (Frames/s) | 0.686 versus 0.433 |
| CompuBench 1.5 Desktop - Video Composition (Frames/s) | 14.257 versus 10.365 |
| CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) | 22.768 versus 17.75 |
| 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: 741 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): 186.605 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 | 741 versus 495 |
| PassMark - G2D Mark | 282 versus 113 |
| CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) | 186.605 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 |
|---|---|---|
| PassMark - G3D Mark | 495 | 741 |
| PassMark - G2D Mark | 113 | 282 |
| Geekbench - OpenCL | 2775 | 1847 |
| CompuBench 1.5 Desktop - Face Detection (mPixels/s) | 7.765 | 6 |
| CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) | 161.305 | 186.605 |
| CompuBench 1.5 Desktop - T-Rex (Frames/s) | 0.686 | 0.433 |
| CompuBench 1.5 Desktop - Video Composition (Frames/s) | 14.257 | 10.365 |
| CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) | 22.768 | 17.75 |
| 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 | |
|---|---|---|
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 | 1475 | 1476 |
| 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 | ||
Navigation
Choisir un GPU
Comparer les cartes vidéo
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NVIDIAQuadro FX 380M
NVIDIAGeForce 820M vs
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NVIDIAGeForce 820M vs
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NVIDIAGeForce 820M vs
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NVIDIAGeForce 820M vs
AMDRadeon R7 Graphics
