Revue de la carte vidéo NVIDIA GeForce GT 640M LE

GeForce GT 640M LE carte vidéo sortie par NVIDIA; release date: 4 May 2012. Au jour du sortie, la carte vidéo couta $849.99. La carte video est conçue pour les ordinateurs laptop et est basé sur la microarchitecture Fermi nom de code GF108.

Pipelines - 384. Performance de point flottant - 384.0 gflops. Technologie de fabrication - 40 nm . Compte de transistors - 585 million. Utilisation d’énergie (TDP) - 20 Watt.

Type de mémoire: DDR3\DDR5. Amonte maximale de RAM - 1 GB. Largeur du bus mémoire - 128bit. Vitesse du mémoire - 3140 MHz. Mémoire partagé - 0.

Référence

PassMark
G3D Mark

Top 1 GPU

This GPU

38582

709

PassMark
G2D Mark

Top 1 GPU

This GPU

1295

173

Geekbench
OpenCL

Top 1 GPU

This GPU

345616

2344

CompuBench 1.5 Desktop
Face Detection

Top 1 GPU

This GPU

939.363 mPixels/s

6.495 mPixels/s

CompuBench 1.5 Desktop
Ocean Surface Simulation

Top 1 GPU

This GPU

14101.507 Frames/s

251.012 Frames/s

CompuBench 1.5 Desktop
T-Rex

Top 1 GPU

This GPU

95.851 Frames/s

0.649 Frames/s

CompuBench 1.5 Desktop
Video Composition

Top 1 GPU

This GPU

530.303 Frames/s

13.333 Frames/s

CompuBench 1.5 Desktop
Bitcoin Mining

Top 1 GPU

This GPU

4429.590 mHash/s

13.954 mHash/s

GFXBench 4.0
Car Chase Offscreen

Top 1 GPU

This GPU

34770 Frames

1583 Frames

GFXBench 4.0
Manhattan

Top 1 GPU

This GPU

27823 Frames

2289 Frames

GFXBench 4.0
T-Rex

Top 1 GPU

This GPU

69225 Frames

3127 Frames

GFXBench 4.0
Car Chase Offscreen

Top 1 GPU

This GPU

34770.000 Fps

1583.000 Fps

GFXBench 4.0
Manhattan

Top 1 GPU

This GPU

27823.000 Fps

2289.000 Fps

GFXBench 4.0
T-Rex

Top 1 GPU

This GPU

69225.000 Fps

3127.000 Fps

Nom	Valeur
PassMark - G3D Mark	709
PassMark - G2D Mark	173
Geekbench - OpenCL	2344
CompuBench 1.5 Desktop - Face Detection	6.495 mPixels/s
CompuBench 1.5 Desktop - Ocean Surface Simulation	251.012 Frames/s
CompuBench 1.5 Desktop - T-Rex	0.649 Frames/s
CompuBench 1.5 Desktop - Video Composition	13.333 Frames/s
CompuBench 1.5 Desktop - Bitcoin Mining	13.954 mHash/s
GFXBench 4.0 - Car Chase Offscreen	1583 Frames
GFXBench 4.0 - Manhattan	2289 Frames
GFXBench 4.0 - T-Rex	3127 Frames
GFXBench 4.0 - Car Chase Offscreen	1583.000 Fps
GFXBench 4.0 - Manhattan	2289.000 Fps
GFXBench 4.0 - T-Rex	3127.000 Fps

Performance des jeux

1. Dirt Showdown (2012)
2. Diablo III (2012)
3. Mass Effect 3 (2012)
4. The Elder Scrolls V: Skyrim (2011)

5. Battlefield 3 (2011)
6. Deus Ex Human Revolution (2011)
7. StarCraft 2 (2010)
8. Metro 2033 (2010)
9. World of Warcraft (2005)

Dirt Showdown (2012)

Low, 1024x768	73.80
Medium, 1366x768	55.10
High, 1366x768	36.10
Ultra, 1920x1080	13.40

Diablo III (2012)

Low, 1024x768	98.60
Medium, 1366x768	65.30
High, 1366x768	57.70
Ultra, 1920x1080	42.50

Mass Effect 3 (2012)

Low, 1280x720	60.00
High, 1366x768	39.10
Ultra, 1920x1080	26.40

The Elder Scrolls V: Skyrim (2011)

Low, 1280x720	47.00
Medium, 1366x768	34.65
High, 1366x768	26.32
Ultra, 1920x1080	14.49

Battlefield 3 (2011)

Low, 1024x768	39.55
Medium, 1366x768	26.30
High, 1366x768	21.15
Ultra, 1920x1080	8.90

Deus Ex Human Revolution (2011)

Low, 1024x768	60.00
High, 1366x768	48.00
Ultra, 1920x1080	19.03

StarCraft 2 (2010)

Low, 1024x768	184.90
Medium, 1360x768	55.70
High, 1360x768	37.66
Ultra, 1920x1080	23.84

Metro 2033 (2010)

Low, 800x600	58.40
Medium, 1360x768	37.50
High, 1600x900	19.10
Ultra, 1920x1080	6.60

World of Warcraft (2005)

Low, 800x600	78.00
Medium, 1024x768	53.00
High, 1280x1024	26.00

Caractéristiques

Essentiel
Architecture	Fermi
Nom de code	GF108
Date de sortie	4 May 2012
Prix de sortie (MSRP)	$849.99
Position dans l’évaluation de la performance	1345
Prix maintenant	$849.99
Genre	Laptop
Valeur pour le prix (0-100)	1.17
Infos techniques
Noyaux CUDA	Up to 384
Performance á point flottant	384.0 gflops
Processus de fabrication	40 nm
Pipelines	384
Thermal Design Power (TDP)	20 Watt
Compte de transistor	585 million

Sorties et ports de vidéo
Connecteurs d’écran	No outputs
HDCP
HDMI
Résolution VGA maximale	Up to 2048x1536
Compatibilité, dimensions et exigences
Soutien de bus	PCI Express 2.0, PCI Express 3.0
Interface	PCIe 2.0 x16
Taille du laptop	medium sized
Soutien API
DirectX	12 API
OpenCL	1.1
OpenGL	4.5
Mémoire
RAM maximale	1 GB
Largeur du bus mémoire	128bit
Vitesse de mémoire	3140 MHz
Genre de mémoire	DDR3\DDR5
Mémoire partagé	0
Technologies
3D Blu-Ray
3D Vision
3D Vision / 3DTV Play
CUDA
DirectCompute
DirectX 11	DirectX 11
Optimus
Verde Drivers