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GeForce 840M

General
ManufacturerNVIDIA
SeriesGeForce 800M
GPU NameGM108S
ArchitectureMaxwell
GenerationGeForce 800M
Release DateMar 2014
Bus InterfacePCIe 3.0 x8
Process & Die
FoundryTSMC
Process Size28 nm
Transistors1,020 M
Transistor Density13,200 K/mm²
Die Size77 mm²
Chip PackageFCBGA-595
Clock Speeds
Base Clock1,029 MHz
Boost Clock1,124 MHz
Memory
VRAM2 GB
Memory TypeDDR3
Memory Clock1,001 MHz
Memory Bus64-bit
Bandwidth16.02 GB/s
Processing Units
Shading Units384
TMUs16
ROPs8
SMs3
Tensor Cores0
RT Cores0
Cache
L1 Cache64 KB
L2 Cache1 MB
Power & Thermals
TDP33 W
Power ConnectorsNone
Dimensions
Outputs
API Support
DirectX11.0
OpenGL4.6
Vulkan1.3
OpenCL3.0
CUDA5.0
Shader Model5.1
Theoretical Performance
Pixel Rate8.992 GP/s
Texture Rate17.98 GT/s
FP32 (Single)863.2 GFLOPS
FP64 (Double)26.98 GFLOPS
External
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