GeForce GT 640 GF116 Specs
GeForce GT 640 GF116
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144 Shaders
2GB DDR3
720MHz
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FP32
0.42 TFLOPS
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|
-
-
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Form Factor
PCIe Card
1.5-Slots
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TDP
75W
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-
-
-
-
-
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GB5 OpenCL - N/A
0%
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GB5 CUDA - N/A
0%
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GB5 Metal - N/A
0%
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GB5 Vulkan - N/A
0%
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OCT 2020.1 - N/A
0%
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OCT Metal - N/A
0%
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Manufacturer
NVIDIA
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Chip Designer
NVIDIA
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Architecture
Fermi
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Family
GeForce 600
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Codename
NVCF
GF116
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-
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Market Segment
Desktop
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Release Date
4/24/2012
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Foundry
TSMC
-
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Fabrication Node
40nm
-
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Die Size
238 mm²
-
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Transistor Count
1.2 Billion
-
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Transistor Density
4.92M/mm²
-
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Form
PCIe Card
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Shading Units
144 Shaders
-
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Texture Mapping Units
24 TMUs
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Render Output Units
24 ROPs
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-
-
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-
-
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Streaming Multiprocessors
3 SMs
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-
-
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-
-
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-
-
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1440MHz Shader
-
720MHz
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-
-
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-
-
-
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-
-
-
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-
-
-
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FP32
0.42 TFLOPS
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|
-
-
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FP64
0.04 TFLOPS
-
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|
-
-
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|
-
-
-
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Pixel Fillrate
17.28 GPixel/s
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-
-
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Texture Fillrate
17.28 GTexel/s
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-
-
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L1
-
64KB/SM
-
-
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L2
384KB Shared
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-
-
-
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2GB
DDR3
-
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Bus Width
192Bit
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Clock
891MHz
Transfer Rate
1.8GT/s
Bandwidth
42.8GB/s
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-
-
-
-
-
-
-
-
-
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TDP
75W
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-
-
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1x VGA
-
-
-
-
-
-
-
1x DVI-I Dual-Link
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
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1x HDMI 1.3
-
-
-
-
-
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Max Resolution
2560x1600
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Max Resolution Refresh Rate
60Hz
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Variable Refresh Rate
-
-
-
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Display Stream Compression (DSC)
Not Supported
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Multi Monitor Support
2
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-
-
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No Encoders
-
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-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
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No Decoders
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-
-
-
-
-
-
-
-
-
-
-
-
-
-
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Direct X
12
Direct 3D
11_0
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OpenGL
4.6
OpenCL
1.1
-
-
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Shader Model
5.1
CUDA
2.1
-
-
PureVideo HD
VP4
VDPAU
Feature Set C
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-
-
-
1x Fan
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-
-
-
-
-
-
-
-
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Slots Required
1.5
PCIe Version
2.0
PCIe Lanes
16
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-
-
-
-
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Height
111 mm (4.37 in)
Width
145 mm (5.71 in)
Depth
30 mm (1.18 in)
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