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1 · NVIDIA
NVIDIA GeForce GT 640 OEM Rebrand
1.5 GBDDR3

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Specifications

Technical comparison

SpecificationNVIDIA GeForce GT 640 OEM Rebrand
Overview
ManufacturerNVIDIA
FamilyGeForce 600
Launch date2012-04-24
Architecture
ArchitectureFermi 2.0
GenerationGeForce 600
GPU / chipGF116
FoundryTSMC
Process40 nm
Compute
Compute units3 SMs
Shader processors144
Memory
VRAM2 GB
Memory typeDDR3
Memory bus192 bit
Memory bandwidth38.4 GB/s
Clocks
Base clock0.72 GHz
Boost clock0.72 GHz
Memory clock0.80 GHz
PCIe
Bus interfacePCIe 2.0 x16
Display
Display outputs2x DVI, 1x mini-HDMI 1.3a
Power
Board power75 W
Suggested PSU250 W
Physical
Reference dimensions145 mm × — × —
Slot widthSingle-slot