NVIDIA GeForce 800M versus NVIDIA GeForce GT 820M

Comparaison des cartes vidéo NVIDIA GeForce 800M and NVIDIA GeForce GT 820M 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 - 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), CompuBench 1.5 Desktop - T-Rex (Frames/s).

NVIDIA GeForce 800M

versus

NVIDIA GeForce GT 820M

Différences

Raisons pour considerer le NVIDIA GeForce 800M

La carte vidéo est plus nouvelle: date de sortie 3 mois plus tard
Environ 35% meilleur performance en PassMark - G2D Mark: 195 versus 144
Environ 82% meilleur performance en CompuBench 1.5 Desktop - Face Detection (mPixels/s): 4.91 versus 2.692

Caractéristiques
Date de sortie	17 March 2014 versus 27 November 2013
Référence
PassMark - G2D Mark	195 versus 144
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	4.91 versus 2.692

Raisons pour considerer le NVIDIA GeForce GT 820M

Environ 5% plus haut vitesse du noyau: 775 MHz versus 738 MHz
times}x plus de taux de remplissage de la texture: 12.4 GTexel / s versus 5.904 GTexel / s
2x plus de pipelines: 96 versus 48
2.1x de meilleur performance á point flottant: 297.6 gflops versus 141.7 gflops
Environ 16% meilleur performance en PassMark - G3D Mark: 551 versus 477
Environ 94% meilleur performance en Geekbench - OpenCL: 2530 versus 1303
Environ 48% meilleur performance en CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 161.29 versus 109.13
Environ 64% meilleur performance en CompuBench 1.5 Desktop - Video Composition (Frames/s): 11.858 versus 7.249
Environ 17% meilleur performance en CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s): 17.753 versus 15.218
Environ 80% meilleur performance en GFXBench 4.0 - Car Chase Offscreen (Frames): 1263 versus 703
2.2x meilleur performance en GFXBench 4.0 - Manhattan (Frames): 2479 versus 1123
2.1x meilleur performance en GFXBench 4.0 - T-Rex (Frames): 3327 versus 1601
Environ 80% meilleur performance en GFXBench 4.0 - Car Chase Offscreen (Fps): 1263 versus 703
2.2x meilleur performance en GFXBench 4.0 - Manhattan (Fps): 2479 versus 1123
2.1x meilleur performance en GFXBench 4.0 - T-Rex (Fps): 3327 versus 1601

Caractéristiques
Vitesse du noyau	775 MHz versus 738 MHz
Taux de remplissage de la texture	12.4 GTexel / s versus 5.904 GTexel / s
Pipelines	96 versus 48
Performance á point flottant	297.6 gflops versus 141.7 gflops
Référence
PassMark - G3D Mark	551 versus 477
Geekbench - OpenCL	2530 versus 1303
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	161.29 versus 109.13
CompuBench 1.5 Desktop - Video Composition (Frames/s)	11.858 versus 7.249
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	17.753 versus 15.218
GFXBench 4.0 - Car Chase Offscreen (Frames)	1263 versus 703
GFXBench 4.0 - Manhattan (Frames)	2479 versus 1123
GFXBench 4.0 - T-Rex (Frames)	3327 versus 1601
GFXBench 4.0 - Car Chase Offscreen (Fps)	1263 versus 703
GFXBench 4.0 - Manhattan (Fps)	2479 versus 1123
GFXBench 4.0 - T-Rex (Fps)	3327 versus 1601

Comparer les références

GPU 1: NVIDIA GeForce 800M
GPU 2: NVIDIA GeForce GT 820M

PassMark - G3D Mark

GPU 1

GPU 2

477

551

PassMark - G2D Mark

GPU 1

GPU 2

195

144

Geekbench - OpenCL

GPU 1

GPU 2

1303

2530

CompuBench 1.5 Desktop - Face Detection (mPixels/s)

GPU 1

GPU 2

4.91

2.692

CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)

GPU 1

GPU 2

109.13

161.29

CompuBench 1.5 Desktop - Video Composition (Frames/s)

GPU 1

GPU 2

7.249

11.858

CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)

GPU 1

GPU 2

15.218

17.753

GFXBench 4.0 - Car Chase Offscreen (Frames)

GPU 1

GPU 2

703

1263

GFXBench 4.0 - Manhattan (Frames)

GPU 1

GPU 2

1123

2479

GFXBench 4.0 - T-Rex (Frames)

GPU 1

GPU 2

1601

3327

GFXBench 4.0 - Car Chase Offscreen (Fps)

GPU 1

GPU 2

703

1263

GFXBench 4.0 - Manhattan (Fps)

GPU 1

GPU 2

1123

2479

GFXBench 4.0 - T-Rex (Fps)

GPU 1

GPU 2

1601

3327

Nom	NVIDIA GeForce 800M	NVIDIA GeForce GT 820M
PassMark - G3D Mark	477	551
PassMark - G2D Mark	195	144
Geekbench - OpenCL	1303	2530
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	4.91	2.692
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	109.13	161.29
CompuBench 1.5 Desktop - Video Composition (Frames/s)	7.249	11.858
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	15.218	17.753
GFXBench 4.0 - Car Chase Offscreen (Frames)	703	1263
GFXBench 4.0 - Manhattan (Frames)	1123	2479
GFXBench 4.0 - T-Rex (Frames)	1601	3327
GFXBench 4.0 - Car Chase Offscreen (Fps)	703	1263
GFXBench 4.0 - Manhattan (Fps)	1123	2479
GFXBench 4.0 - T-Rex (Fps)	1601	3327
CompuBench 1.5 Desktop - T-Rex (Frames/s)		0.55

Comparer les caractéristiques

	NVIDIA GeForce 800M	NVIDIA GeForce GT 820M
Essentiel
Architecture	Fermi 2.0	Fermi 2.0
Nom de code	GF117	GF117
Date de sortie	17 March 2014	27 November 2013
Position dans l’évaluation de la performance	1511	1366
Genre	Desktop	Desktop
Infos techniques
Vitesse du noyau	738 MHz	775 MHz
Performance á point flottant	141.7 gflops	297.6 gflops
Processus de fabrication	28 nm	28 nm
Pipelines	48	96
Taux de remplissage de la texture	5.904 GTexel / s	12.4 GTexel / s
Thermal Design Power (TDP)	15 Watt	15 Watt
Compte de transistor	585 million	585 million
Sorties et ports de vidéo
Connecteurs d’écran	No outputs	No outputs
Compatibilité, dimensions et exigences
Soutien de bus	PCI Express 3.0
Interface	PCIe 2.0 x16	PCIe 2.0 x16
Soutien API
DirectX	12.0 (11_0)	12.0 (11_0)
OpenGL	4.5	4.6
Mémoire
RAM maximale	1 GB	1 GB
Bande passante de la mémoire	14.4 GB / s	14.4 GB / s
Largeur du bus mémoire	64 Bit	64 Bit
Vitesse de mémoire	1800 MHz	1800 MHz
Genre de mémoire	DDR3	DDR3
Technologies
CUDA
GameWorks
GPU Boost
Optimus