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Graphics cards → NVIDIA GeForce GT 640 GDDR5

NVIDIA GeForce GT 640 GDDR5

General information
VendorNVIDIA
Released2012
SegmentDesktop
TypeDIntegratedscrete
InterfacePCIe 3.0
Resolution3840 x 2160
Graphics processor
ArchitectureKepler
CoreGK208
Number of GPUs1
Lithography28 nm
Number of transistors1020 million
Die Size79 mm²
Core frequency1046 MHz
Shading Units384
ROPs8
TMUs32
Pixel Rate4,3 GPixel/s
Texture Rate16.7 GTexel/s
Memory
TypeGDDR5
Capacity1024 / 2048 Mb
Frequency5000 MHz
Bus64 bit
Bandwidth40.0 GB/s
Power supply
TDP49 W
Maximum temperature95° C
Power supply requirements300 W
Power connectorsNo
Supported technologies
DirectX11.0
OpenGL4.2
OpenCL1.2
Shader Model5.0
Other• NVIDIA Adaptive V-Sync
• HDCP
• NVIDIA CUDA
• NVIDIA PureVideo
• NVIDIA PhysX
• NVIDIA 3D Vision
• FXAA
Performance
ATI (AMD) Radeon HD 4860
4098
(104%)
NVIDIA GeForce GT 750M
4043
(103%)
NVIDIA GeForce GTS 450
4037
(103%)
NVIDIA Quadro M600M
3977
(101%)
NVIDIA GeForce GT 640 GDDR5
3956
(100%)
NVIDIA GeForce 8800 Ultra
3955
(100%)
NVIDIA GeForce GTS 250
3933
(100%)
AMD Radeon HD 7850M
3923
(100%)
NVIDIA GeForce 940M
3906
(99%)
All performance rating >>>

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GeForce GT 640 GDDR5
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GeForce GT 640 GDDR5
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