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GeForce GT 640M

General
ManufacturerNVIDIA
SeriesGeForce 600M
GPU NameGK107
ArchitectureKepler
GenerationGeForce 600M
Release DateMar 2012
Bus InterfacePCIe 3.0 x16
Process & Die
FoundryTSMC
Process Size28 nm
Transistors1,270 M
Transistor Density10,800 K/mm²
Die Size118 mm²
Chip PackageBGA-908
Clock Speeds
Base Clock624 MHz
Boost Clock709 MHz
Memory
VRAM2 GB
Memory TypeDDR3
Memory Clock900 MHz
Memory Bus128-bit
Bandwidth28.8 GB/s
Processing Units
Shading Units384
TMUs32
ROPs16
SMs0
Tensor Cores0
RT Cores0
Cache
L1 Cache16 KB
L2 Cache0.25 MB
Power & Thermals
TDP32 W
Power ConnectorsNone
Dimensions
Outputs
API Support
DirectX11.0
OpenGL4.6
Vulkan1.2
OpenCL3.0
CUDA3.0
Shader Model5.1
Theoretical Performance
Pixel Rate5.672 GP/s
Texture Rate22.69 GT/s
FP32 (Single)544.5 GFLOPS
FP64 (Double)22.69 GFLOPS
External
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