GeForce GT 640 1GB vs GeForce GTX 550 Ti

GeForce GT 640 1GB
GeForce GTX 550 Ti
384 Shaders
1GB DDR3
797MHz
192 Shaders
Shared Memory
900MHz
FP32
0.61 TFLOPS
FP32
0.69 TFLOPS
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Form Factor
PCIe Card
1.5-Slots
Form Factor
PCIe Card
2.0-Slots
TDP
50W
TDP
116W
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Power Connectors
1x 6-Pin
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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
Kepler
Architecture
Fermi
Family
GeForce 600
Family
GeForce 500
Codename
NVE7
GK107
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-
Codename
NVCF
GF116
Variant
GF116-400
Market Segment
Desktop
Market Segment
Desktop
Release Date
4/24/2012
Release Date
3/15/2011
Foundry
TSMC
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Foundry
TSMC
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Fabrication Node
28nm
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Fabrication Node
40nm
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Die Size
118 mm²
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Die Size
238 mm²
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Transistor Count
1.3 Billion
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Transistor Count
1.2 Billion
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Transistor Density
10.76M/mm²
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Transistor Density
4.92M/mm²
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Form
PCIe Card
Form
PCIe Card
Shading Units
384 Shaders
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Shading Units
192 Shaders
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Texture Mapping Units
32 TMUs
Texture Mapping Units
32 TMUs
Render Output Units
16 ROPs
Render Output Units
24 ROPs
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Streaming Multiprocessors
2 SMs
Streaming Multiprocessors
4 SMs
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797MHz
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1800MHz Shader
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900MHz
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FP32
0.61 TFLOPS
FP32
0.69 TFLOPS
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FP64
0.03 TFLOPS
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FP64
0.06 TFLOPS
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Pixel Fillrate
12.752 GPixel/s
Pixel Fillrate
21.6 GPixel/s
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Texture Fillrate
25.504 GTexel/s
Texture Fillrate
28.8 GTexel/s
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L1
48KB/SM Tex
16KB/SM
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L1
-
64KB/SM
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L2
256KB Shared
L2
384KB Shared
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1GB
DDR3
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Shared Memory
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Bus Width
128Bit
Bus Width
128Bit
Clock
891MHz
Transfer Rate
1.8GT/s
Bandwidth
28.5GB/s
Clock
1026MHz
Transfer Rate
4.1GT/s
Bandwidth
65.7GB/s
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TDP
50W
TDP
116W
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1x VGA
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1x DVI-I Dual-Link
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1x HDMI 1.4
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2x DVI-I Dual-Link
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1x mini-HDMI 1.3
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Max Resolution
4096x2304
Max Resolution
2560x1600
Max Resolution Refresh Rate
30Hz
Max Resolution Refresh Rate
60Hz
Variable Refresh Rate
G-Sync
FreeSync
-
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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Model
NVENC 1
No Encoders
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Codec
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AVC (H.264)
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Model
NVDEC 1
No Decoders
Codec
MPEG-1
MPEG-2
MPEG-4
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VC-1
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AVC (H.264)
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Direct X
12
Direct 3D
11_0
Direct X
12
Direct 3D
11_0
OpenGL
4.6
OpenCL
3.0
Vulkan
1.2
OpenGL
4.6
OpenCL
1.1
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Shader Model
6.5
CUDA
3.0
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PureVideo HD
VP5
VDPAU
Feature Set D
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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Power Connectors
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1x 6-Pin
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Slots Required
1.5
PCIe Version
3.0
PCIe Lanes
16
Slots Required
2.0
PCIe Version
2.0
PCIe Lanes
16
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Multi GPU Support
Supported
Type
2-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
210 mm (8.27 in)
Depth
38 mm (1.5 in)
Change Results