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GeForce GT 640 2 GB GDDR5 (OEM)

Specifications of the NVIDIA GeForce GT 640 2 GB GDDR5 (OEM) GPU


NVIDIA GeForce GT 640 2 GB GDDR5 (OEM) desktop Graphics Processing Unit was released in April 2012. The GPU uses Kepler architecture, and it is produced on 28 nm technology. The card has graphics clocked at 950 MHz. It also sports 384 CUDA cores, 16 ROPs, along with 32 texture units. The GeForce GT 640 2 GB GDDR5 (OEM) comes with 2 GB of GDDR5 memory. Since the memory runs at 1.25 GHz, and utilizes 128 bit bus, the effective memory bandwidth is 80 GB/s. The GPU supports PCI Express 3.0 interface, and needs a single slot on the motherboard. This model uses up to 75 Watt of power.

More detailed specifications of the NVIDIA GeForce GT 640 2 GB GDDR5 (OEM) card are available below.

Name / Brand / Architecture

Manufacturer:NVIDIA
Model:GeForce GT **0 2 GB GDDR5 (OEM)
Reference card?:Yes
Target market segment:Desktop (OEM)
Die name:GK 107
Architecture:Kepler
Fabrication process:28 nm
Transistors:1.3 billion
Bus interface:PCI-E 3.0 x 16
Launch date:April 2012

Frequency

Graphics clock:950 MHz

Memory specifications

Memory size:2048 MB
Memory type:GDDR5
Memory clock:1250 MHz
Memory clock (effective):5000 MHz
Memory interface width:128-bit
Memory bandwidth:80 GB/s

Cores / Texture

CUDA:2.1
CUDA cores:384
ROPs:16
Texture units:32
RAMDACs:400 MHz

Electric characteristics

Maximum GPU temp:102C
Maximum power draw:75 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:15.2 Gigapixels/s
Texture fill rate:30.4 Gigatexels/s
Single presision compute power:729.6 GFLOPS

External connectors

Standard display connectors:DisplayPort
HDMI
VGA
Audio input for HDMI:Yes

Dimensions

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

Other features / Support

Other features:3D Vision  ? 
HDCP
PhysX
OpenGL support:4.2
DirectX support:11.1
Shader model:5.0
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