NVIDIA GeForce GT 820M versus AMD Radeon HD 8400 IGP

Comparaison des cartes vidéo NVIDIA GeForce GT 820M and AMD Radeon HD 8400 IGP pour tous les caractéristiques connus dans les catégories suivants: Essentiel, Infos techniques, Sorties et ports de vidéo, Compatibilité, dimensions et exigences, Soutien API, Mémoire. 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).

NVIDIA GeForce GT 820M

versus

AMD Radeon HD 8400 IGP

Différences

Raisons pour considerer le NVIDIA GeForce GT 820M

Environ 94% plus haut vitesse du noyau: 775 MHz versus 400 MHz
times}x plus de taux de remplissage de la texture: 12.4 GTexel / s versus 3.2 GTexel / s
2.9x de meilleur performance á point flottant: 297.6 gflops versus 102.4 gflops
Environ 67% consummation d’énergie moyen plus bas: 15 Watt versus 25 Watt
2.1x meilleur performance en PassMark - G3D Mark: 561 versus 265
Environ 88% meilleur performance en PassMark - G2D Mark: 147 versus 78
2.1x meilleur performance en Geekbench - OpenCL: 2498 versus 1211
2.7x meilleur performance en GFXBench 4.0 - Manhattan (Frames): 2479 versus 930
2x meilleur performance en GFXBench 4.0 - T-Rex (Frames): 3327 versus 1631
2.7x meilleur performance en GFXBench 4.0 - Manhattan (Fps): 2479 versus 930
2x meilleur performance en GFXBench 4.0 - T-Rex (Fps): 3327 versus 1631

Caractéristiques
Vitesse du noyau	775 MHz versus 400 MHz
Taux de remplissage de la texture	12.4 GTexel / s versus 3.2 GTexel / s
Performance á point flottant	297.6 gflops versus 102.4 gflops
Thermal Design Power (TDP)	15 Watt versus 25 Watt
Référence
PassMark - G3D Mark	561 versus 265
PassMark - G2D Mark	147 versus 78
Geekbench - OpenCL	2498 versus 1211
GFXBench 4.0 - Manhattan (Frames)	2479 versus 930
GFXBench 4.0 - T-Rex (Frames)	3327 versus 1631
GFXBench 4.0 - Manhattan (Fps)	2479 versus 930
GFXBench 4.0 - T-Rex (Fps)	3327 versus 1631

Raisons pour considerer le AMD Radeon HD 8400 IGP

Environ 33% de pipelines plus haut: 128 versus 96
6.8x meilleur performance en CompuBench 1.5 Desktop - Face Detection (mPixels/s): 18.197 versus 2.692
8.2x meilleur performance en CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 1322.192 versus 161.29
3.2x meilleur performance en CompuBench 1.5 Desktop - T-Rex (Frames/s): 1.774 versus 0.55
4x meilleur performance en CompuBench 1.5 Desktop - Video Composition (Frames/s): 47.241 versus 11.858
12.6x meilleur performance en CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s): 224.569 versus 17.753

Caractéristiques
Pipelines	128 versus 96
Référence
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	18.197 versus 2.692
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	1322.192 versus 161.29
CompuBench 1.5 Desktop - T-Rex (Frames/s)	1.774 versus 0.55
CompuBench 1.5 Desktop - Video Composition (Frames/s)	47.241 versus 11.858
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	224.569 versus 17.753

Comparer les références

GPU 1: NVIDIA GeForce GT 820M
GPU 2: AMD Radeon HD 8400 IGP

PassMark - G3D Mark

GPU 1

GPU 2

561

265

PassMark - G2D Mark

GPU 1

GPU 2

147

Geekbench - OpenCL

GPU 1

GPU 2

2498

1211

CompuBench 1.5 Desktop - Face Detection (mPixels/s)

GPU 1

GPU 2

2.692

18.197

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

GPU 1

GPU 2

161.29

1322.192

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

GPU 1

GPU 2

0.55

1.774

CompuBench 1.5 Desktop - Video Composition (Frames/s)

GPU 1

GPU 2

11.858

47.241

CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)

GPU 1

GPU 2

17.753

224.569

GFXBench 4.0 - Manhattan (Frames)

GPU 1

GPU 2

2479

930

GFXBench 4.0 - T-Rex (Frames)

GPU 1

GPU 2

3327

1631

GFXBench 4.0 - Manhattan (Fps)

GPU 1

GPU 2

2479

930

GFXBench 4.0 - T-Rex (Fps)

GPU 1

GPU 2

3327

1631

Nom	NVIDIA GeForce GT 820M	AMD Radeon HD 8400 IGP
PassMark - G3D Mark	561	265
PassMark - G2D Mark	147	78
Geekbench - OpenCL	2498	1211
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	2.692	18.197
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	161.29	1322.192
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.55	1.774
CompuBench 1.5 Desktop - Video Composition (Frames/s)	11.858	47.241
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	17.753	224.569
GFXBench 4.0 - Car Chase Offscreen (Frames)	1263
GFXBench 4.0 - Manhattan (Frames)	2479	930
GFXBench 4.0 - T-Rex (Frames)	3327	1631
GFXBench 4.0 - Car Chase Offscreen (Fps)	1263
GFXBench 4.0 - Manhattan (Fps)	2479	930
GFXBench 4.0 - T-Rex (Fps)	3327	1631

Comparer les caractéristiques

	NVIDIA GeForce GT 820M	AMD Radeon HD 8400 IGP
Essentiel
Architecture	Fermi 2.0	GCN 2.0
Nom de code	GF117	Kalindi
Date de sortie	27 November 2013	23 November 2013
Position dans l’évaluation de la performance	1368	1369
Genre	Desktop	Desktop
Infos techniques
Vitesse du noyau	775 MHz	400 MHz
Performance á point flottant	297.6 gflops	102.4 gflops
Processus de fabrication	28 nm	28 nm
Pipelines	96	128
Taux de remplissage de la texture	12.4 GTexel / s	3.2 GTexel / s
Thermal Design Power (TDP)	15 Watt	25 Watt
Compte de transistor	585 million	1,178 million
Sorties et ports de vidéo
Connecteurs d’écran	No outputs	No outputs
Compatibilité, dimensions et exigences
Interface	PCIe 2.0 x16	IGP
Soutien API
DirectX	12.0 (11_0)	12.0 (12_0)
OpenGL	4.6	4.5
Mémoire
RAM maximale	1 GB
Bande passante de la mémoire	14.4 GB / s
Largeur du bus mémoire	64 Bit
Vitesse de mémoire	1800 MHz
Genre de mémoire	DDR3	System Shared