home > GeForce GT 645M DDR3

 
GeForce GT 645M DDR3

Specifications of the NVIDIA GeForce GT 645M DDR3 GPU


Released in October 2012, NVIDIA GeForce GT 645M DDR3 mobile Graphics Processing Unit uses Kepler architecture, and is produced on 28 nm technological process. The card has 710 MHz graphics clock frequency. It also features 384 CUDA cores, 16 ROPs, as well as 32 texture units. The GeForce GT 645M DDR3 comes with 2 GB of DDR3 memory, utilizing 128 bit bus. The memory is clocked at 900 MHz, which gives 28.8 GB/s memory bandwidth. The GPU supports PCI Express 3.0 interface. This model requires up to 32 Watt of power.

More detailed specifications of the NVIDIA GeForce GT 645M DDR3 graphics card are available below.

Name / Brand / Architecture

Manufacturer:NVIDIA
Model:GeForce GT 645M DDR3
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:DDR3
Memory clock:900 MHz
Memory clock (effective):1800 MHz
Memory interface width:128-bit
Memory bandwidth:28.8 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
Email:info@Mobilegpu.com  All rights reserved.