NVIDIA GeForce 820M versus NVIDIA GeForce GT 755M Mac Edition

Comparaison des cartes vidéo NVIDIA GeForce 820M and NVIDIA GeForce GT 755M Mac Edition 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.

NVIDIA GeForce 820M

versus

NVIDIA GeForce GT 755M Mac Edition

Différences

Raisons pour considerer le NVIDIA GeForce 820M

La carte vidéo est plus nouvelle: date de sortie 1 ans 4 mois plus tard
Environ 11% consummation d’énergie moyen plus bas: 45 Watt versus 50 Watt
Environ 19% meilleur performance en CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s): 22.768 versus 19.139
23.4x meilleur performance en GFXBench 4.0 - Car Chase Offscreen (Fps): 1195 versus 51
30.8x meilleur performance en GFXBench 4.0 - Manhattan (Fps): 1447 versus 47
56.2x meilleur performance en GFXBench 4.0 - T-Rex (Fps): 3349 versus 59.6

Caractéristiques
Date de sortie	21 March 2015 versus 8 November 2013
Thermal Design Power (TDP)	45 Watt versus 50 Watt
Référence
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	22.768 versus 19.139
GFXBench 4.0 - T-Rex (Frames)	3349 versus 3335
GFXBench 4.0 - Car Chase Offscreen (Fps)	1195 versus 51
GFXBench 4.0 - Manhattan (Fps)	1447 versus 47
GFXBench 4.0 - T-Rex (Fps)	3349 versus 59.6

Raisons pour considerer le NVIDIA GeForce GT 755M Mac Edition

Environ 34% plus haut vitesse du noyau: 1085 MHz versus 810 MHz
times}x plus de taux de remplissage de la texture: 34.72 GTexel / s versus 10 GTexel / s
4x plus de pipelines: 384 versus 96
3.5x de meilleur performance á point flottant: 833.3 gflops versus 240.0 gflops
2.8x plus de vitesse de mémoire: 5000 MHz versus 1802 MHz
Environ 32% meilleur performance en CompuBench 1.5 Desktop - Face Detection (mPixels/s): 10.243 versus 7.765
2.4x meilleur performance en CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 393.811 versus 161.305
Environ 41% meilleur performance en CompuBench 1.5 Desktop - T-Rex (Frames/s): 0.966 versus 0.686
Environ 32% meilleur performance en CompuBench 1.5 Desktop - Video Composition (Frames/s): 18.793 versus 14.257
2.5x meilleur performance en GFXBench 4.0 - Car Chase Offscreen (Frames): 3011 versus 1195
2x meilleur performance en GFXBench 4.0 - Manhattan (Frames): 2916 versus 1447

Caractéristiques
Vitesse du noyau	1085 MHz versus 810 MHz
Taux de remplissage de la texture	34.72 GTexel / s versus 10 GTexel / s
Pipelines	384 versus 96
Performance á point flottant	833.3 gflops versus 240.0 gflops
Vitesse de mémoire	5000 MHz versus 1802 MHz
Référence
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	10.243 versus 7.765
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	393.811 versus 161.305
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.966 versus 0.686
CompuBench 1.5 Desktop - Video Composition (Frames/s)	18.793 versus 14.257
GFXBench 4.0 - Car Chase Offscreen (Frames)	3011 versus 1195
GFXBench 4.0 - Manhattan (Frames)	2916 versus 1447

Comparer les références

GPU 1: NVIDIA GeForce 820M
GPU 2: NVIDIA GeForce GT 755M Mac Edition

CompuBench 1.5 Desktop - Face Detection (mPixels/s)

GPU 1

GPU 2

7.765

10.243

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

GPU 1

GPU 2

161.305

393.811

CompuBench 1.5 Desktop - T-Rex (Frames/s)

GPU 1

GPU 2

0.686

0.966

CompuBench 1.5 Desktop - Video Composition (Frames/s)

GPU 1

GPU 2

14.257

18.793

CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)

GPU 1

GPU 2

22.768

19.139

GFXBench 4.0 - Car Chase Offscreen (Frames)

GPU 1

GPU 2

1195

3011

GFXBench 4.0 - Manhattan (Frames)

GPU 1

GPU 2

1447

2916

GFXBench 4.0 - T-Rex (Frames)

GPU 1

GPU 2

3349

3335

GFXBench 4.0 - Car Chase Offscreen (Fps)

GPU 1

GPU 2

1195

GFXBench 4.0 - Manhattan (Fps)

GPU 1

GPU 2

1447

GFXBench 4.0 - T-Rex (Fps)

GPU 1

GPU 2

3349

59.6

Nom	NVIDIA GeForce 820M	NVIDIA GeForce GT 755M Mac Edition
PassMark - G3D Mark	499
PassMark - G2D Mark	112
Geekbench - OpenCL	2736
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	7.765	10.243
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	161.305	393.811
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.686	0.966
CompuBench 1.5 Desktop - Video Composition (Frames/s)	14.257	18.793
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	22.768	19.139
GFXBench 4.0 - Car Chase Offscreen (Frames)	1195	3011
GFXBench 4.0 - Manhattan (Frames)	1447	2916
GFXBench 4.0 - T-Rex (Frames)	3349	3335
GFXBench 4.0 - Car Chase Offscreen (Fps)	1195	51
GFXBench 4.0 - Manhattan (Fps)	1447	47
GFXBench 4.0 - T-Rex (Fps)	3349	59.6
3DMark Fire Strike - Graphics Score	847

Comparer les caractéristiques

	NVIDIA GeForce 820M	NVIDIA GeForce GT 755M Mac Edition
Essentiel
Architecture	Kepler	Kepler
Nom de code	GK107	GK107
Date de sortie	21 March 2015	8 November 2013
Position dans l’évaluation de la performance	1469	1471
Genre	Laptop	Desktop
Infos techniques
Vitesse du noyau	810 MHz	1085 MHz
Performance á point flottant	240.0 gflops	833.3 gflops
Processus de fabrication	28 nm	28 nm
Pipelines	96	384
Taux de remplissage de la texture	10 GTexel / s	34.72 GTexel / s
Thermal Design Power (TDP)	45 Watt	50 Watt
Compte de transistor	1,270 million	1,270 million
Sorties et ports de vidéo
Connecteurs d’écran	No outputs	No outputs
Compatibilité, dimensions et exigences
Soutien de bus	PCI Express 2.0
Interface	PCIe 3.0 x16	PCIe 3.0 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	80 GB / s
Largeur du bus mémoire	64 Bit	128 Bit
Vitesse de mémoire	1802 MHz	5000 MHz
Genre de mémoire	DDR3	GDDR5
Mémoire partagé	0
Technologies
CUDA
GameWorks
GPU Boost
Optimus
Verde Drivers