GeForce 940M and GeForce GT 635M - video card comparison
Passmark - benchmark score GeForce 940M vs GeForce GT 635M
GeForce 940M
1156
GeForce GT 635M
578
GeForce 940M
GeForce GT 635M
Architecture
Maxwell (2014−2018)
Fermi (2010−2014)
GPU code name
N16S-GT-S/B
N13E-GE2
Market segment
Laptop
Laptop
Release date
March 2015
December 2011
Bus support
PCI Express 3.0
PCI Express 2.0
Interface
PCIe 3.0 x8
PCIe 2.0 x16
Boost clock speed
1176 MHz
753 MHz
Core clock speed
1072 MHz
Up to 675 MHz
CUDA cores
-
Up to 144
Floating-point performance
903.2 gflops
253.4 gflops
Manufacturing process technology
28 nm
40 nm
Number of transistors
1,870 million
1,170 million
Pipelines / CUDA cores
384
144
Power consumption (TDP)
75 Watt
35 Watt
Texture fill rate
28.22
Up to 16.2 billion/sec
Memory type
DDR3
DDR3
Maximum RAM amount
4 GB
2 GB
Memory bus width
64 Bit
Up to 192bit
Memory clock speed
2000 MHz
1800 MHz
Memory bandwidth
14.4 GB/s
Up to 43.2 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
HDMI
-
+
HDCP
-
+
Maximum VGA resolution
-
Up to 2048x1536
DirectX
12 (11_0)
12 API
CUDA
+
+
OpenCL
1.2
1.1
OpenGL
4.5
4.5
Shader Model
5.1
5.1
Vulkan
1.1.126
N/A
3D Blu-Ray
-
+
GameWorks
+
-
GPU Boost
2.0
-
Optimus
+
+