home > GeForce GT 640 1024MB / Barcode: 426018336-2579

 
GeForce GT 640 1024MB / Barcode: 426018336-2579

Specifications of the Gainward GeForce GT 640 1024MB GPU


Gainward GeForce GT 640 1024MB (part number Barcode: 426018336-2579) Graphics Processing Unit for desktop market segment is based on NVIDIA GeForce GT 640 DDR3. The GPU is manufactured on 28 nm technological process. The card has 900 MHz graphics clock frequency. It also sports 384 CUDA cores, 32 texture units, together with 16 ROPs. The GeForce GT 640 1024MB incorporates 1 GB of DDR3 memory, utilizing 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 motherboard slots. The maximum power consumption of this model is 65 Watt, on a par with the reference design.

More detailed specifications of the Gainward GeForce GT 640 1024MB graphics card you will find below.

Name / Brand / Architecture

Manufacturer:Gainward
Model:GeForce GT 640 1024MB
Part number:Barcode: 426018336-2579
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:900 MHz

Memory specifications

Memory size:1024 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:14.4 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):5.91 inches (150 mm) x 4.41 inches (112 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
Email:info@Mobilegpu.com  All rights reserved.