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GeForce GT 640 1GB DDR5 / GT640-1GD5-L

Specifications of the ASUS GeForce GT 640 1GB DDR5 GPU


ASUS GeForce GT 640 1GB DDR5 (part number GT640-1GD5-L) is a Graphics Processing Unit for desktop market segment, based on NVIDIA GeForce GT 640 v2 GDDR5. The GPU, fabricated on 28 nm manufacturing process, features Kepler architecture. The cards graphics frequency is 1.046 GHz. It also boasts 384 CUDA cores, 16 texture units, together with 8 ROPs. The GeForce GT 640 1GB DDR5 incorporates 1 GB of GDDR5 memory, using 64 bit bus. The memory is clocked at 1.252 GHz, which gives 40.08 GB/s memory bandwidth. The GPU has PCI Express 3.0 interface, and requires 2 motherboard slots. The maximum power draw of this model is 49 Watt, on a par with the reference design.

More detailed specifications of the ASUS GeForce GT 640 1GB DDR5 graphics card you will find below.

Name / Brand / Architecture

Manufacturer:ASUS
Model:GeForce GT **0 1GB DDR5
Part number:GT**0-1GD5-L
Based on:NVIDIA GeForce GT **0 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:1046 MHz

Memory specifications

Memory size:** MB
Memory type:GDDR5
Memory clock:1252 MHz
Memory clock (effective):5010 MHz
Memory interface width:**-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:**0 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:8.37 Gigapixels/s
Texture fill rate:16.74 Gigatexels/s
Single presision compute power:803.33 GFLOPS

External connectors

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

Dimensions

Size (length x height):5.71 inches (145 mm) x 2.72 inches (69 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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