GeForce GT 645M

Manufacturer:NVIDIA
Series:GeForce 600M
Codename:GK107 N13P-GS
Release date:2012. October 01.
Die count:1
Die size:118 mm2
Fab:28 nm
Transistors:1270 millions
Bus interface:PCI-E 3.0 x16

Clock rates

Core clock:709 MHz
Memory clock:900 MHz
Effective memory clock (DDR):7200 MHz

Memory

Memory size:2048, 1024 MB
Memory bus type:DDR3
Memory bus width:128 bit
Memory bandwidth (maximum):28.8 GB/s

Core units

Unified shader units:384
Texture mapping units (TMU):32
Render output units (ROP):16
SM count:2

Supported Technologies:

DirectX:11.2
OpenGL:4.5
OpenCL:1.1

Performance

Pixel fillrate:5.67 (GP/s)
Texture fillrate:22.7 (GT/s)
Thermal Design Power (TDP,Max):32 W
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