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GeForce GT 640 4 GB DDR3 / N640-4GD3

Specifications of the MSI GeForce GT 640 4 GB DDR3 GPU


MSI GeForce GT 640 4 GB DDR3 (part number N640-4GD3) Graphics Processing Unit for desktop market segment is based on NVIDIA GeForce GT 640 DDR3, and produced on 28 nm technological process. The cards graphics frequency is 902 MHz. Furthermore, it has 384 CUDA cores, 32 texture units, along with 16 ROPs. The GeForce GT 640 4 GB DDR3 embeds 4 GB of DDR3 memory, utilizing 128 bit bus. The memory is clocked at 891 MHz, which translates to 28.5 GB/s memory bandwidth. The GPU supports PCI Express 3.0 interface, and uses 2 motherboard slots. The maximum power consumption of this model is 65 Watt.

Below you will find detailed specs of the MSI GeForce GT 640 4 GB DDR3 graphics card.

Name / Brand / Architecture

Manufacturer:MSI
Model:GeForce GT 640 4 GB DDR3
Part number:N640-4GD3
Based on:NVIDIA GeForce GT 640 DDR3 [Compare]
Target market segment:Desktop
Die name:GK 107
Architecture:Kepler
Fabrication process:28 nm
Transistors:1.3 billion
Bus interface:PCI-E 3.0 x 16

Frequency

Graphics clock:902 MHz

Memory specifications

Memory size:4096 MB
Memory type:DDR3
Memory clock:891 MHz
Memory clock (effective):1782 MHz
Memory interface width:128-bit
Memory bandwidth:28.5 GB/s

Cores / Texture

CUDA:2.1
CUDA cores:384
ROPs:16
Texture units:32
RAMDACs:400 MHz

Electric characteristics

Maximum GPU temp:98C
Maximum power draw:65 W

Video features

Multi-monitor:Up to 2 displays
Maximum DVI resolution:2560 x 1600
Maximum HDMI resolution:4096 x 2160 @ 24 Hz or 3840 x 2160 @ 30 Hz
Maximum VGA resolution:2048 x 1536
Anti-Aliasing technologies:FXAA
TXAA
HDMI:Yes
HDMI version:1.4a

Performance

Pixel fill rate:14.43 Gigapixels/s
Texture fill rate:28.9 Gigatexels/s
Single presision compute power:692.74 GFLOPS

External connectors

Standard display connectors:Dual-Link DVI-D
HDMI
VGA
Audio input for HDMI:Yes

Dimensions

Size (length x height):6.06 inches (154 mm) x 4.33 inches (110 mm)
Width:Dual Slot

Other features / Support

Other features:3D Vision  ? 
3D Vision Surround  ? 
HDCP
PhysX
OpenGL support:4.2
DirectX support:11.1
Shader model:5.0
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