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GeForce GT 640M LE 2 GB GDDR5

Specifications of the NVIDIA GeForce GT 640M LE 2 GB GDDR5 GPU


Released in March 2012, NVIDIA GeForce GT 640M LE 2 GB GDDR5 mobile Graphics Processing Unit uses Kepler architecture, and is produced on 28 nm technological process. The card has graphics clocked at 500 MHz. It also sports 384 CUDA cores, 32 texture units, along with 16 ROPs. The GeForce GT 640M LE 2 GB GDDR5 comes with 2 GB of GDDR5 memory. The memory utilizes 128 bit bus, and operates at 782.5 MHz. This allows the card to have 57.6 GB/s memory bandwidth. The GPU supports PCI Express 3.0 interface. This model has the maximum power consumption of 20 Watt.

Detailed specifications of the NVIDIA GeForce GT 640M LE 2 GB GDDR5 graphics unit you will find below.

Name / Brand / Architecture

Manufacturer:NVIDIA
Model:GeForce GT **0M LE 2 GB GDDR5
Reference card?:Yes
Target market segment:Mobile
Die name:GK107 N13P-LP
Architecture:Kepler
Fabrication process:28 nm
Transistors:1.3 billion
Bus interface:PCI-E 3.0 x 16
Launch date:March 2012

Frequency

Graphics clock:500 MHz

Memory specifications

Memory size:2048 MB
Memory type:GDDR5
Memory clock:782.5 MHz
Memory clock (effective):3130 MHz
Memory interface width:128-bit
Memory bandwidth:57.6 GB/s

Cores / Texture

CUDA:3.0
CUDA cores:384
ROPs:16
Texture units:32
RAMDACs:400 MHz

Electric characteristics

Maximum power draw:20 W

Video features

Maximum digital resolution:3840 x 2160
Maximum VGA resolution:2048 x 1536
HDMI:Yes

Performance

Pixel fill rate:8 Gigapixels/s
Texture fill rate:16 Gigatexels/s
Single presision compute power:384 GFLOPS

Other features / Support

Other features:3D Vision  ? 
Direct Compute
HDCP
Optimus
PhysX
Open CL support:Yes
OpenGL support:4.2
DirectX support:11.1
Shader model:5.0
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