GeForce GTX 675M vs GeForce 840M

GeForce GTX 675M
GeForce 840M
384 Shaders
2GB GDDR5
632MHz
384 Shaders
2GB DDR3
1029MHz
FP32
0.97 TFLOPS
FP32
0.79 TFLOPS
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Form Factor
Soldered
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Form Factor
Soldered
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TDP
100W
TDP
30W
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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
Maxwell
Family
GeForce 600
Family
GeForce 800
Codename
NVCE
GF114
Variant
N13E-GS1
Codename
NV118
GM108
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Market Segment
Laptop
Market Segment
Laptop
Release Date
4/1/2012
Release Date
3/12/2014
Foundry
TSMC
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Foundry
TSMC
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Fabrication Node
40nm
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Fabrication Node
28nm
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Die Size
1950 mm²
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Die Size
89 mm²
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Transistor Count
332 Million
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Transistor Count
1.1 Billion
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Transistor Density
0.17M/mm²
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Transistor Density
12.61M/mm²
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Form
Soldered
Form
Soldered
Shading Units
384 Shaders
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Shading Units
384 Shaders
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Texture Mapping Units
64 TMUs
Texture Mapping Units
24 TMUs
Render Output Units
32 ROPs
Render Output Units
8 ROPs
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Streaming Multiprocessors
8 SMs
Streaming Multiprocessors
3 SMs
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1265MHz Shader
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632MHz
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1029MHz
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FP32
0.97 TFLOPS
FP32
0.79 TFLOPS
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FP64
0.08 TFLOPS
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FP64
0.03 TFLOPS
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Pixel Fillrate
20.224 GPixel/s
Pixel Fillrate
8.232 GPixel/s
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Texture Fillrate
40.448 GTexel/s
Texture Fillrate
24.696 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
512KB Shared
L2
1MB Shared
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2GB
GDDR5
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2GB
DDR3
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Bus Width
256Bit
Bus Width
64Bit
Clock
750MHz
Transfer Rate
3GT/s
Bandwidth
96GB/s
Clock
1000MHz
Transfer Rate
2GT/s
Bandwidth
16GB/s
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TDP
100W
TDP
30W
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No Ports
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No Ports
Max Resolution
2560x1600
Max Resolution
4096x2304
Max Resolution Refresh Rate
60Hz
Max Resolution Refresh Rate
30Hz
Variable Refresh Rate
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Variable Refresh Rate
G-Sync
FreeSync
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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
3.0
Vulkan
1.3
Shader Model
5.1
CUDA
2.1
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PureVideo HD
VP4
VDPAU
Feature Set C
Shader Model
6.7
CUDA
5.0
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PureVideo HD
VP6
VDPAU
Feature Set E
Not a Card
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Not a Card
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PCIe Version
2.0
PCIe Lanes
16
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PCIe Version
3.0
PCIe Lanes
16
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Change Results