GeForce GT 640 GF116 vs GeForce GT 440

GeForce GT 640 GF116
GeForce GT 440
144 Shaders
2GB DDR3
720MHz
96 Shaders
1GB GDDR3
810MHz
FP32
0.42 TFLOPS
FP32
0.31 TFLOPS
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Form Factor
PCIe Card
1.5-Slots
Form Factor
PCIe Card
1.0-Slots
TDP
75W
TDP
65W
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GB5 OpenCL - N/A
0%
GB5 OpenCL - N/A
0%
GB5 CUDA - N/A
0%
GB5 CUDA - N/A
0%
GB5 Metal - N/A
0%
GB5 Metal - N/A
0%
GB5 Vulkan - N/A
0%
GB5 Vulkan - N/A
0%
OCT 2020.1 - N/A
0%
OCT 2020.1 - N/A
0%
OCT Metal - N/A
0%
OCT Metal - N/A
0%
Manufacturer
NVIDIA
Manufacturer
NVIDIA
Chip Designer
NVIDIA
Chip Designer
NVIDIA
Architecture
Fermi
Architecture
Fermi
Family
GeForce 600
Family
GeForce 400
Codename
NVCF
GF116
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Codename
NVC1
GF108
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Market Segment
Desktop
Market Segment
Desktop
Release Date
4/24/2012
Release Date
2/1/2011
Foundry
TSMC
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Foundry
TSMC
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Fabrication Node
40nm
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Fabrication Node
40nm
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Die Size
238 mm²
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Die Size
116 mm²
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Transistor Count
1.2 Billion
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Transistor Count
585 Million
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Transistor Density
4.92M/mm²
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Transistor Density
5.04M/mm²
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Form
PCIe Card
Form
PCIe Card
Shading Units
144 Shaders
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Shading Units
96 Shaders
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Texture Mapping Units
24 TMUs
Texture Mapping Units
16 TMUs
Render Output Units
24 ROPs
Render Output Units
4 ROPs
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Streaming Multiprocessors
3 SMs
Streaming Multiprocessors
2 SMs
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1440MHz Shader
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720MHz
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1620MHz Shader
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810MHz
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FP32
0.42 TFLOPS
FP32
0.31 TFLOPS
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FP64
0.04 TFLOPS
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FP64
0.03 TFLOPS
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Pixel Fillrate
17.28 GPixel/s
Pixel Fillrate
3.24 GPixel/s
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Texture Fillrate
17.28 GTexel/s
Texture Fillrate
12.96 GTexel/s
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L1
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64KB/SM
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L1
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64KB/SM
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L2
384KB Shared
L2
256KB Shared
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2GB
DDR3
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1GB
GDDR3
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Bus Width
192Bit
Bus Width
128Bit
Clock
891MHz
Transfer Rate
1.8GT/s
Bandwidth
42.8GB/s
Clock
900MHz
Transfer Rate
1.8GT/s
Bandwidth
28.8GB/s
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TDP
75W
TDP
65W
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1x VGA
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1x DVI-I Dual-Link
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1x HDMI 1.3
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1x VGA
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1x DVI-I Dual-Link
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1x HDMI 1.3
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Max Resolution
2560x1600
Max Resolution
2560x1600
Max Resolution Refresh Rate
60Hz
Max Resolution Refresh Rate
60Hz
Variable Refresh Rate
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Variable Refresh Rate
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Display Stream Compression (DSC)
Not Supported
Display Stream Compression (DSC)
Not Supported
Multi Monitor Support
2
Multi Monitor Support
2
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No Encoders
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No Encoders
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No Decoders
No Decoders
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Direct X
12
Direct 3D
11_0
Direct X
12
Direct 3D
11_0
OpenGL
4.6
OpenCL
1.1
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OpenGL
4.6
OpenCL
1.1
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Shader Model
5.1
CUDA
2.1
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PureVideo HD
VP4
VDPAU
Feature Set C
Shader Model
5.1
CUDA
2.1
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PureVideo HD
VP4
VDPAU
Feature Set C
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1x Fan
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1x Fan
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Slots Required
1.5
PCIe Version
2.0
PCIe Lanes
16
Slots Required
1.0
PCIe Version
2.0
PCIe Lanes
16
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Multi GPU Support
Supported
Type
3-way SLI
Height
111 mm (4.37 in)
Width
145 mm (5.71 in)
Depth
30 mm (1.18 in)
Height
111 mm (4.37 in)
Width
145 mm (5.71 in)
Depth
20 mm (0.79 in)
Change Results