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GeForce GT 640 1GB DDR5 / N640-1GD5/LP

Specifications of the MSI GeForce GT 640 1GB DDR5 GPU


MSI GeForce GT 640 1GB DDR5 (part number N640-1GD5/LP) Graphics Processing Unit for desktop market segment is based on NVIDIA GeForce GT 640 v2 GDDR5. The GPU is produced on 28 nm technology. The card has graphics clocked at 1.045 GHz. It also features 384 CUDA cores, 8 ROPs, along with 16 texture units. The GeForce GT 640 1GB DDR5 embeds 1 GB of GDDR5 memory. Because the memory is clocked at 1.252 GHz, and utilizes 64 bit bus, the effective memory bandwidth is 40.08 GB/s. The GPU supports PCI Express 3.0 interface, and uses 2 motherboard slots. The maximum power draw of this model is 49 Watt, on a par with the reference design.

Below you will find detailed specs of the MSI GeForce GT 640 1GB DDR5 graphics card.

Name / Brand / Architecture

Manufacturer:MSI
Model:GeForce GT 640 1GB DDR5
Part number:N640-1GD5/LP
Based on:NVIDIA GeForce GT 640 v2 GDDR5 [Compare]
Target market segment:Desktop
Die name:GK 208
Architecture:Kepler
Fabrication process:28 nm
Transistors:1.3 billion
Bus interface:PCI-E 3.0 x 16

Frequency

Graphics clock:1045 MHz

Memory specifications

Memory size:1024 MB
Memory type:GDDR5
Memory clock:1252 MHz
Memory clock (effective):5010 MHz
Memory interface width:64-bit
Memory bandwidth:40.08 GB/s

Cores / Texture

CUDA:2.1
CUDA cores:384
ROPs:8
Texture units:16
RAMDACs:400 MHz

Electric characteristics

Maximum GPU temp:95C
Maximum power draw:49 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:8.36 Gigapixels/s
Texture fill rate:16.72 Gigatexels/s
Single presision compute power:802.56 GFLOPS

External connectors

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

Dimensions

Size (length x height):5.75 inches (146 mm) x 4.17 inches (106 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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