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GeForce GT 640 2 GB DDR3 / NEAT6400HD41-1070F

Specifications of the Palit GeForce GT 640 2 GB DDR3 GPU


Palit GeForce GT 640 2 GB DDR3 (part number NEAT6400HD41-1070F) Graphics Processing Unit for desktop market segment is based on NVIDIA GeForce GT 640 DDR3, and built on 28 nm technology. The card has graphics clocked at 900 MHz. It also features 384 CUDA cores, 16 ROPs, together with 32 texture units. The GeForce GT 640 2 GB DDR3 incorporates 2 GB of DDR3 memory. Because the memory operates at 891 MHz, and uses 128 bit bus, the effective memory bandwidth is 28.5 GB/s. The GPU supports PCI Express 3.0 interface, and needs 2 motherboard slots. The maximum power draw of this model is 65 Watt, on a par with the reference design.

Below you will find detailed specs of the Palit GeForce GT 640 2 GB DDR3 graphics card.

Name / Brand / Architecture

Manufacturer:Palit
Model:GeForce GT **0 2 GB DDR3
Part number:NEAT**00HD41-1070F
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:Dual-Link DVI-D
HDMI
VGA
Audio input for HDMI:Yes

Dimensions

Size (length x height):5.91 inches (150 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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