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GeForce GT 640 v2 GDDR5

Specifications of the NVIDIA GeForce GT 640 v2 GDDR5 GPU


NVIDIA GeForce GT 640 v2 GDDR5 is a Graphics Processing Unit, produced on 28 nm technological process. The GPU is targeted at desktop market segment, and it is built on Kepler architecture. The card has 1.046 GHz graphics clock frequency. It also boasts 384 CUDA cores, 8 ROPs, together with 16 texture units. The GeForce GT 640 v2 GDDR5 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 slots on the motherboard. The maximum power consumption of this model is 49 Watt.

More detailed specifications of the NVIDIA GeForce GT 640 v2 GDDR5 graphics card you will find below.

Name / Brand / Architecture

Manufacturer:NVIDIA
Model:GeForce GT 640 v2 GDDR5
Reference card?:Yes
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: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:8.37 Gigapixels/s
Texture fill rate:16.74 Gigatexels/s
Single presision compute power:803.33 GFLOPS

External connectors

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

Dimensions

Size (length x height):5.71 inches (145 mm) x 4.376 inches (111 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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