NVIDIA GeForce GT 745M versus NVIDIA GeForce GTX 660M

Comparaison des cartes vidéo NVIDIA GeForce GT 745M and NVIDIA GeForce GTX 660M 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 GT 745M

versus

NVIDIA GeForce GTX 660M

Différences

Raisons pour considerer le NVIDIA GeForce GT 745M

La carte vidéo est plus nouvelle: date de sortie 1 ans 0 mois plus tard
Environ 11% consummation d’énergie moyen plus bas: 45 Watt versus 50 Watt
2x plus de taille maximale de mémoire : 2 GB versus 1 GB
2.1x meilleur performance en GFXBench 4.0 - Car Chase Offscreen (Frames): 2255 versus 1094
Environ 39% meilleur performance en GFXBench 4.0 - Manhattan (Frames): 3133 versus 2253
Environ 6% meilleur performance en GFXBench 4.0 - T-Rex (Frames): 3352 versus 3176
2.1x meilleur performance en GFXBench 4.0 - Car Chase Offscreen (Fps): 2255 versus 1094
Environ 39% meilleur performance en GFXBench 4.0 - Manhattan (Fps): 3133 versus 2253
Environ 6% meilleur performance en GFXBench 4.0 - T-Rex (Fps): 3352 versus 3176

Caractéristiques
Date de sortie	1 April 2013 versus 22 March 2012
Vitesse du noyau	837 MHz versus 835 MHz
Thermal Design Power (TDP)	45 Watt versus 50 Watt
Taille de mémore maximale	2 GB versus 1 GB
Référence
GFXBench 4.0 - Car Chase Offscreen (Frames)	2255 versus 1094
GFXBench 4.0 - Manhattan (Frames)	3133 versus 2253
GFXBench 4.0 - T-Rex (Frames)	3352 versus 3176
GFXBench 4.0 - Car Chase Offscreen (Fps)	2255 versus 1094
GFXBench 4.0 - Manhattan (Fps)	3133 versus 2253
GFXBench 4.0 - T-Rex (Fps)	3352 versus 3176

Raisons pour considerer le NVIDIA GeForce GTX 660M

Environ 14% taux plus haut de remplissage de la texture: 30.4 billion / sec versus 26.78 GTexel / s
Environ 14% de meilleur performance á point flottant: 729.6 gflops versus 642.8 gflops
Environ 11% plus haut de vitesse de mémoire: 2000 MHz versus 1800 MHz
Environ 33% meilleur performance en PassMark - G3D Mark: 1452 versus 1095
Environ 49% meilleur performance en PassMark - G2D Mark: 268 versus 180
Environ 16% meilleur performance en Geekbench - OpenCL: 4037 versus 3468
Environ 3% meilleur performance en CompuBench 1.5 Desktop - Face Detection (mPixels/s): 10.837 versus 10.489
2x meilleur performance en CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 405.086 versus 202.905
Environ 66% meilleur performance en CompuBench 1.5 Desktop - T-Rex (Frames/s): 1.098 versus 0.66
2.7x meilleur performance en CompuBench 1.5 Desktop - Video Composition (Frames/s): 21.798 versus 8.184
Environ 75% meilleur performance en CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s): 33.754 versus 19.323

Caractéristiques
Taux de remplissage de la texture	30.4 billion / sec versus 26.78 GTexel / s
Performance á point flottant	729.6 gflops versus 642.8 gflops
Vitesse de mémoire	2000 MHz versus 1800 MHz
Référence
PassMark - G3D Mark	1452 versus 1095
PassMark - G2D Mark	268 versus 180
Geekbench - OpenCL	4037 versus 3468
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	10.837 versus 10.489
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	405.086 versus 202.905
CompuBench 1.5 Desktop - T-Rex (Frames/s)	1.098 versus 0.66
CompuBench 1.5 Desktop - Video Composition (Frames/s)	21.798 versus 8.184
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	33.754 versus 19.323

Comparer les références

GPU 1: NVIDIA GeForce GT 745M
GPU 2: NVIDIA GeForce GTX 660M

PassMark - G3D Mark

GPU 1

GPU 2

1095

1452

PassMark - G2D Mark

GPU 1

GPU 2

180

268

Geekbench - OpenCL

GPU 1

GPU 2

3468

4037

CompuBench 1.5 Desktop - Face Detection (mPixels/s)

GPU 1

GPU 2

10.489

10.837

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

GPU 1

GPU 2

202.905

405.086

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

GPU 1

GPU 2

0.66

1.098

CompuBench 1.5 Desktop - Video Composition (Frames/s)

GPU 1

GPU 2

8.184

21.798

CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)

GPU 1

GPU 2

19.323

33.754

GFXBench 4.0 - Car Chase Offscreen (Frames)

GPU 1

GPU 2

2255

1094

GFXBench 4.0 - Manhattan (Frames)

GPU 1

GPU 2

3133

2253

GFXBench 4.0 - T-Rex (Frames)

GPU 1

GPU 2

3352

3176

GFXBench 4.0 - Car Chase Offscreen (Fps)

GPU 1

GPU 2

2255

1094

GFXBench 4.0 - Manhattan (Fps)

GPU 1

GPU 2

3133

2253

GFXBench 4.0 - T-Rex (Fps)

GPU 1

GPU 2

3352

3176

Nom	NVIDIA GeForce GT 745M	NVIDIA GeForce GTX 660M
PassMark - G3D Mark	1095	1452
PassMark - G2D Mark	180	268
Geekbench - OpenCL	3468	4037
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	10.489	10.837
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	202.905	405.086
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.66	1.098
CompuBench 1.5 Desktop - Video Composition (Frames/s)	8.184	21.798
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	19.323	33.754
GFXBench 4.0 - Car Chase Offscreen (Frames)	2255	1094
GFXBench 4.0 - Manhattan (Frames)	3133	2253
GFXBench 4.0 - T-Rex (Frames)	3352	3176
GFXBench 4.0 - Car Chase Offscreen (Fps)	2255	1094
GFXBench 4.0 - Manhattan (Fps)	3133	2253
GFXBench 4.0 - T-Rex (Fps)	3352	3176
3DMark Fire Strike - Graphics Score	0	475

Comparer les caractéristiques

	NVIDIA GeForce GT 745M	NVIDIA GeForce GTX 660M
Essentiel
Architecture	Kepler	Kepler
Nom de code	GK107	GK107
Date de sortie	1 April 2013	22 March 2012
Position dans l’évaluation de la performance	1274	1275
Genre	Laptop	Laptop
Infos techniques
Vitesse du noyau	837 MHz	835 MHz
Performance á point flottant	642.8 gflops	729.6 gflops
Processus de fabrication	28 nm	28 nm
Pipelines	384	384
Taux de remplissage de la texture	26.78 GTexel / s	30.4 billion / sec
Thermal Design Power (TDP)	45 Watt	50 Watt
Compte de transistor	1,270 million	1,270 million
Vitesse augmenté		950 MHz
Noyaux CUDA		384
Sorties et ports de vidéo
Audio HD reseau 7.1 sur HDMI
Connecteurs d’écran	No outputs	No outputs
Soutien de DisplayPort Multimode (DP++)	Up to 3840x2160
Soutien du signal sDP 1.2	Up to 3840x2160
Protection du contenu HDCP
HDMI
Support du signale LVDS	Up to 1920x1200
Bitstreaming d’audio TrueHD et DTS-HD
Soutien de l’écran analog VGA	Up to 2048x1536
HDCP
Résolution VGA maximale		Up to 2048x1536
Compatibilité, dimensions et exigences
Soutien de bus	PCI Express 3.0	PCI Express 2.0, PCI Express 3.0
Interface	PCIe 3.0 x16	MXM-B (3.0)
Taille du laptop	medium sized	large
Options SLI		2-way
Soutien API
DirectX	12 API	12 API
OpenCL	1.1	1.1
OpenGL	4.5	4.5
Mémoire
RAM maximale	2 GB	1 GB
Bande passante de la mémoire	28.8 GB / s	64.0 GB / s
Largeur du bus mémoire	128 Bit	128bit
Vitesse de mémoire	1800 MHz	2000 MHz
Genre de mémoire	DDR3, GDDR5	GDDR5
Mémoire partagé	0	0
Configuration standard de la mémoire	DDR3 / GDDR5
Technologies
3D Vision
3D Vision / 3DTV Play
Blu-Ray 3D Support
CUDA
Direct Compute
FXAA
H.264, VC1, MPEG2 1080p video decoder
Optimus
Adaptive VSync
DirectX 11		DirectX 11
SLI
TXAA