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GeForce GT 640 / CGNX-G646L

Specifications of the Club 3D GeForce GT 640 GPU


Club 3D GeForce GT 640 (part number CGNX-G646L) is a Graphics Processing Unit for desktop market segment, based on NVIDIA GeForce GT 640 DDR3. Built on 28 nm manufacturing process, the GPU sports Kepler architecture. The card has 900 MHz graphics clock frequency. It also boasts 384 CUDA cores, 16 ROPs, together with 32 texture units. The GeForce GT 640 incorporates 2 GB of DDR3 memory, using 128 bit bus. The memory is clocked at 891 MHz, which results in 28.5 GB/s memory bandwidth. The GPU supports PCI Express 3.0 interface, and needs 2 slots on the motherboard. This model uses up to 65 Watt of power.

Below you will find more detailed specs of the Club 3D GeForce GT 640 graphics card.

Name / Brand / Architecture

Manufacturer:Club 3D
Model:GeForce GT **0
Part number:CGNX-G**6L
Based on:NVIDIA GeForce GT **0 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:900 MHz

Memory specifications

Memory size:2048 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:**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:14.4 Gigapixels/s
Texture fill rate:28.8 Gigatexels/s
Single presision compute power:691.2 GFLOPS

External connectors

Standard display connectors:2 x Dual-Link DVI-D
HDMI
VGA
Audio input for HDMI:Yes

Dimensions

Size (length x height):6.10 inches (155 mm) x 2.56 inches (65 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

Notes


Low profile, dual single slot brackets supplied.
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