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Graphics cards → NVIDIA GeForce GT 640

NVIDIA GeForce GT 640

General information
VendorNVIDIA
Released2012
SegmentDesktop
TypeDIntegratedscrete
InterfacePCIe 3.0
Resolution3840 x 2160
Graphics processor
ArchitectureKepler
CoreGK107
Number of GPUs1
Lithography28 nm
Number of transistors1300 million
Die Size118 mm²
Core frequency900 MHz
Shading Units384
ROPs16
TMUs32
Pixel Rate7,2 GPixel/s
Texture Rate28.8 GTexel/s
Memory
TypeGDDR3
Capacity2048 Mb
Frequency1782 MHz
Bus128 bit
Bandwidth28.5 GB/s
Power supply
TDP65 W
Maximum temperature98° C
Power supply requirements350 W
Power connectorsNo
Supported technologies
DirectX11.0
OpenGL4.2
OpenCL1.2
Shader Model5.0
Other• NVIDIA CUDA
• NVIDIA Adaptive V-Sync
• HDCP
• NVIDIA PureVideo HD
• NVIDIA PhysX
• NVIDIA 3D Vision
• FXAA
Performance
ATI (AMD) Mobility Radeon HD 4850
3041
(102%)
Intel Iris Graphics 550
3036
(102%)
AMD Radeon R7 M260X
3026
(101%)
NVIDIA Quadro FX 3800M
3021
(101%)
NVIDIA GeForce GT 640
3002
(100%)
NVIDIA GeForce 920MX
2993
(100%)
AMD Radeon R7 M265
2992
(100%)
NVIDIA GeForce GT 740M
2952
(99%)
NVIDIA GeForce GT 645M
2933
(98%)
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GeForce GT 640
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GeForce GT 640
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