GeForce 840M

Manufacturer:NVIDIA
Series:GeForce 800M
Codename:GM108 N15S-GT
Release date:2014. March 12.
Die count:1
Fab:28 nm
Bus interface:PCI-E 3.0 x16

Clock rates

Core clock:1029 MHz
Core clock (Boost):1124 MHz
Memory clock:1001 MHz
Effective memory clock (DDR):8008 MHz

Memory

Memory size:1024 MB
Memory bus type:
https://gamesystemrequirements.com/
DDR3
Memory bus width:64 bit
Memory bandwidth (maximum):16 GB/s

Core units

Unified shader units:384
Texture mapping units (TMU):
https://gamesystemrequirements.com/
16
Render output units (ROP):8
SM count:3

Supported Technologies:

DirectX:12
OpenGL:4.5
OpenCL:1.2

Performance

Pixel fillrate:8.23 (GP/s)
Texture fillrate:
https://gamesystemrequirements.com/
16.5 (GT/s)
Thermal Design Power (TDP,Max):33 W
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