AMD Radeon HD 8400 IGP versus NVIDIA GeForce GT 640M

Comparaison des cartes vidéo AMD Radeon HD 8400 IGP and NVIDIA GeForce GT 640M 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 - Manhattan (Frames), GFXBench 4.0 - T-Rex (Frames), GFXBench 4.0 - Manhattan (Fps), GFXBench 4.0 - T-Rex (Fps), GFXBench 4.0 - Car Chase Offscreen (Frames), GFXBench 4.0 - Car Chase Offscreen (Fps).

AMD Radeon HD 8400 IGP

versus

NVIDIA GeForce GT 640M

Différences

Raisons pour considerer le AMD Radeon HD 8400 IGP

La carte vidéo est plus nouvelle: date de sortie 1 ans 8 mois plus tard
Environ 28% consummation d’énergie moyen plus bas: 25 Watt versus 32 Watt
2.3x meilleur performance en CompuBench 1.5 Desktop - Face Detection (mPixels/s): 18.197 versus 7.861
4.8x meilleur performance en CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 1322.192 versus 275.972
2.4x meilleur performance en CompuBench 1.5 Desktop - T-Rex (Frames/s): 1.774 versus 0.727
3.1x meilleur performance en CompuBench 1.5 Desktop - Video Composition (Frames/s): 47.241 versus 15.445
12.9x meilleur performance en CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s): 224.569 versus 17.381

Caractéristiques
Date de sortie	23 November 2013 versus 22 March 2012
Thermal Design Power (TDP)	25 Watt versus 32 Watt
Référence
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	18.197 versus 7.861
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	1322.192 versus 275.972
CompuBench 1.5 Desktop - T-Rex (Frames/s)	1.774 versus 0.727
CompuBench 1.5 Desktop - Video Composition (Frames/s)	47.241 versus 15.445
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	224.569 versus 17.381

Raisons pour considerer le NVIDIA GeForce GT 640M

3x plus de pipelines: 384 versus 128
4.7x de meilleur performance á point flottant: 480.0 gflops versus 102.4 gflops
3.5x meilleur performance en PassMark - G3D Mark: 919 versus 262
2.5x meilleur performance en PassMark - G2D Mark: 195 versus 78
2.6x meilleur performance en Geekbench - OpenCL: 3190 versus 1205
2.1x meilleur performance en GFXBench 4.0 - Manhattan (Frames): 1963 versus 930
Environ 58% meilleur performance en GFXBench 4.0 - T-Rex (Frames): 2580 versus 1631
2.1x meilleur performance en GFXBench 4.0 - Manhattan (Fps): 1963 versus 930
Environ 58% meilleur performance en GFXBench 4.0 - T-Rex (Fps): 2580 versus 1631

Caractéristiques
Pipelines	384 versus 128
Performance á point flottant	480.0 gflops versus 102.4 gflops
Référence
PassMark - G3D Mark	919 versus 262
PassMark - G2D Mark	195 versus 78
Geekbench - OpenCL	3190 versus 1205
GFXBench 4.0 - Manhattan (Frames)	1963 versus 930
GFXBench 4.0 - T-Rex (Frames)	2580 versus 1631
GFXBench 4.0 - Manhattan (Fps)	1963 versus 930
GFXBench 4.0 - T-Rex (Fps)	2580 versus 1631

Comparer les références

GPU 1: AMD Radeon HD 8400 IGP
GPU 2: NVIDIA GeForce GT 640M

PassMark - G3D Mark

GPU 1

GPU 2

262

919

PassMark - G2D Mark

GPU 1

GPU 2

195

Geekbench - OpenCL

GPU 1

GPU 2

1205

3190

CompuBench 1.5 Desktop - Face Detection (mPixels/s)

GPU 1

GPU 2

18.197

7.861

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

GPU 1

GPU 2

1322.192

275.972

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

GPU 1

GPU 2

1.774

0.727

CompuBench 1.5 Desktop - Video Composition (Frames/s)

GPU 1

GPU 2

47.241

15.445

CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)

GPU 1

GPU 2

224.569

17.381

GFXBench 4.0 - Manhattan (Frames)

GPU 1

GPU 2

930

1963

GFXBench 4.0 - T-Rex (Frames)

GPU 1

GPU 2

1631

2580

GFXBench 4.0 - Manhattan (Fps)

GPU 1

GPU 2

930

1963

GFXBench 4.0 - T-Rex (Fps)

GPU 1

GPU 2

1631

2580

Nom	AMD Radeon HD 8400 IGP	NVIDIA GeForce GT 640M
PassMark - G3D Mark	262	919
PassMark - G2D Mark	78	195
Geekbench - OpenCL	1205	3190
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	18.197	7.861
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	1322.192	275.972
CompuBench 1.5 Desktop - T-Rex (Frames/s)	1.774	0.727
CompuBench 1.5 Desktop - Video Composition (Frames/s)	47.241	15.445
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	224.569	17.381
GFXBench 4.0 - Manhattan (Frames)	930	1963
GFXBench 4.0 - T-Rex (Frames)	1631	2580
GFXBench 4.0 - Manhattan (Fps)	930	1963
GFXBench 4.0 - T-Rex (Fps)	1631	2580
GFXBench 4.0 - Car Chase Offscreen (Frames)		1476
GFXBench 4.0 - Car Chase Offscreen (Fps)		1476

Comparer les caractéristiques

	AMD Radeon HD 8400 IGP	NVIDIA GeForce GT 640M
Essentiel
Architecture	GCN 2.0	Kepler
Nom de code	Kalindi	GK107
Date de sortie	23 November 2013	22 March 2012
Position dans l’évaluation de la performance	1353	1341
Genre	Desktop	Laptop
Infos techniques
Vitesse du noyau	400 MHz
Performance á point flottant	102.4 gflops	480.0 gflops
Processus de fabrication	28 nm	28 nm
Pipelines	128	384
Taux de remplissage de la texture	3.2 GTexel / s
Thermal Design Power (TDP)	25 Watt	32 Watt
Compte de transistor	1,178 million	1,270 million
Vitesse augmenté		645 MHz
Noyaux CUDA		384
Sorties et ports de vidéo
Connecteurs d’écran	No outputs	No outputs
HDCP
HDMI
Résolution VGA maximale		Up to 2048x1536
Compatibilité, dimensions et exigences
Interface	IGP	PCIe 3.0 x16
Soutien de bus		PCI Express 2.0, PCI Express 3.0
Taille du laptop		medium sized
Soutien API
DirectX	12.0 (12_0)	12 API
OpenGL	4.5	4.5
OpenCL		1.1
Mémoire
Genre de mémoire	System Shared	DDR3\GDDR5
RAM maximale		2 GB
Largeur du bus mémoire		128bit
Vitesse de mémoire		1800 MHz
Mémoire partagé		0
Technologies
3D Blu-Ray
3D Vision
CUDA
DirectCompute
DirectX 11		DirectX 11
Optimus