GeForce GT 640M Mac vs GeForce GT 740M

GeForce GT 640M Mac
GeForce GT 740M
384 Shaders
512MB GDDR5
625MHz
384 Shaders
2GB GDDR5
810MHz
FP32
0.48 TFLOPS
FP32
0.62 TFLOPS
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Form Factor
Soldered
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Form Factor
Soldered
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TDP
32W
TDP
45W
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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
Kepler
Family
GeForce 600
Family
GeForce 700
Codename
NVE7
GK107
Variant
N13P-GS
Codename
NVE7
GK107
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Market Segment
Laptop
Market Segment
Laptop
Release Date
3/22/2012
Release Date
4/1/2013
Foundry
TSMC
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Foundry
TSMC
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Fabrication Node
28nm
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Fabrication Node
28nm
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Die Size
118 mm²
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Die Size
118 mm²
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Transistor Count
1.3 Billion
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Transistor Count
1.3 Billion
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Transistor Density
10.76M/mm²
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Transistor Density
10.76M/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
32 TMUs
Texture Mapping Units
32 TMUs
Render Output Units
16 ROPs
Render Output Units
16 ROPs
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Streaming Multiprocessors
2 SMs
Streaming Multiprocessors
2 SMs
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625MHz
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810MHz
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FP32
0.48 TFLOPS
FP32
0.62 TFLOPS
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FP64
0.02 TFLOPS
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FP64
0.03 TFLOPS
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Pixel Fillrate
10 GPixel/s
Pixel Fillrate
12.96 GPixel/s
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Texture Fillrate
20 GTexel/s
Texture Fillrate
25.92 GTexel/s
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L1
48KB/SM Tex
16KB/SM
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L1
48KB/SM Tex
16KB/SM
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L2
256KB Shared
L2
256KB Shared
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512MB
GDDR5
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2GB
GDDR5
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Bus Width
128Bit
Bus Width
128Bit
Clock
1000MHz
Transfer Rate
4GT/s
Bandwidth
64GB/s
Clock
1250MHz
Transfer Rate
5GT/s
Bandwidth
80GB/s
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TDP
32W
TDP
45W
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No Ports
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No Ports
Max Resolution
4096x2304
Max Resolution
4096x2304
Max Resolution Refresh Rate
60Hz
Max Resolution Refresh Rate
30Hz
Variable Refresh Rate
G-Sync
FreeSync
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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
3
Multi Monitor Support
2
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Model
NVENC 1
Model
NVENC 1
Codec
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AVC (H.264)
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Codec
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AVC (H.264)
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Model
NVDEC 1
Model
NVDEC 1
Codec
MPEG-1
MPEG-2
MPEG-4
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VC-1
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AVC (H.264)
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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
3.0
Vulkan
1.2
Shader Model
6.5
CUDA
3.0
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PureVideo HD
VP5
VDPAU
Feature Set D
Shader Model
6.5
CUDA
3.0
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PureVideo HD
VP5
VDPAU
Feature Set D
Not a Card
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Not a Card
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PCIe Version
3.0
PCIe Lanes
16
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PCIe Version
3.0
PCIe Lanes
16
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Change Results