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GeForce GT 645M GDDR5

Specifications of the NVIDIA GeForce GT 645M GDDR5 GPU


Launched in October 2012, NVIDIA GeForce GT 645M GDDR5 mobile Graphics Processing Unit makes use of Kepler architecture, and is manufactured on 28 nm technology. The cards graphics frequency is 710 MHz. Furthermore, it has 384 CUDA cores, 16 ROPs, together with 32 texture units. The GeForce GT 645M GDDR5 incorporates 2 GB of GDDR5 memory, using 128 bit bus. The memory is clocked at 1 GHz, which translates to 64 GB/s memory bandwidth. The GPU supports PCI Express 3.0 interface. The maximum power consumption of this model is 32 Watt.

More detailed specifications of the NVIDIA GeForce GT 645M GDDR5 card you will find below.

Name / Brand / Architecture

Manufacturer:NVIDIA
Model:GeForce GT 645M GDDR5
Reference card?:Yes
Target market segment:Mobile
Die name:GK107 GS
Architecture:Kepler
Fabrication process:28 nm
Transistors:1.3 billion
Bus interface:PCI-E 3.0 x 16
Launch date:October 2012

Frequency

Graphics clock:710 MHz

Memory specifications

Memory size:2048 MB
Memory type:GDDR5
Memory clock:1000 MHz
Memory clock (effective):4000 MHz
Memory interface width:128-bit
Memory bandwidth:64 GB/s

Cores / Texture

CUDA:3.0
CUDA cores:384
ROPs:16
Texture units:32
RAMDACs:400 MHz

Electric characteristics

Maximum power draw:32 W

Video features

Maximum digital resolution:3840 x 2160
Maximum VGA resolution:2048 x 1536
HDMI:Yes

Performance

Pixel fill rate:11.36 Gigapixels/s
Texture fill rate:22.72 Gigatexels/s
Single presision compute power:545.28 GFLOPS

Other features / Support

Other features:3D Vision  ? 
Direct Compute
HDCP
Optimus
PhysX
Open CL support:Yes
OpenGL support:4.2
DirectX support:11.1
Shader model:5.0
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