GeForce GT 635M vs GeForce GT 640M Mac

GeForce GT 635M
GeForce GT 640M Mac
144 Shaders
2GB DDR3
675MHz
384 Shaders
512MB GDDR5
625MHz
FP32
0.39 TFLOPS
FP32
0.48 TFLOPS
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Form Factor
Soldered
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Form Factor
Soldered
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TDP
35W
TDP
32W
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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
Kepler
Family
GeForce 600
Family
GeForce 600
Codename
NVC3
GF106
Variant
N12E-GE2
Codename
NVE7
GK107
Variant
N13P-GS
Market Segment
Laptop
Market Segment
Laptop
Release Date
4/1/2012
Release Date
3/22/2012
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
1170 mm²
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Die Size
118 mm²
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Transistor Count
238 Million
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Transistor Count
1.3 Billion
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Transistor Density
0.20M/mm²
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Transistor Density
10.76M/mm²
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Form
Soldered
Form
Soldered
Shading Units
144 Shaders
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Shading Units
384 Shaders
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Texture Mapping Units
24 TMUs
Texture Mapping Units
32 TMUs
Render Output Units
24 ROPs
Render Output Units
16 ROPs
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Streaming Multiprocessors
3 SMs
Streaming Multiprocessors
2 SMs
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1350MHz Shader
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675MHz
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625MHz
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FP32
0.39 TFLOPS
FP32
0.48 TFLOPS
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FP64
0.03 TFLOPS
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FP64
0.02 TFLOPS
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Pixel Fillrate
16.2 GPixel/s
Pixel Fillrate
10 GPixel/s
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Texture Fillrate
16.2 GTexel/s
Texture Fillrate
20 GTexel/s
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L1
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64KB/SM
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L1
48KB/SM Tex
16KB/SM
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L2
384KB Shared
L2
256KB Shared
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2GB
DDR3
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512MB
GDDR5
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Bus Width
192Bit
Bus Width
128Bit
Clock
900MHz
Transfer Rate
1.8GT/s
Bandwidth
43.2GB/s
Clock
1000MHz
Transfer Rate
4GT/s
Bandwidth
64GB/s
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TDP
35W
TDP
32W
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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
60Hz
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
3
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No Encoders
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Model
NVENC 1
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Codec
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AVC (H.264)
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No Decoders
Model
NVDEC 1
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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
1.1
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OpenGL
4.6
OpenCL
3.0
Vulkan
1.2
Shader Model
5.1
CUDA
2.1
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PureVideo HD
VP4
VDPAU
Feature Set C
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
2.0
PCIe Lanes
16
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PCIe Version
3.0
PCIe Lanes
16
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Change Results