GeForce GTX 670M and GeForce 940M - video card comparison
Passmark - benchmark score GeForce GTX 670M vs GeForce 940M
GeForce GTX 670M
1788
GeForce 940M
1156
GeForce GTX 670M
GeForce 940M
Architecture
Fermi (2010−2014)
Maxwell (2014−2018)
GPU code name
N13E-GS1-LP
N16S-GT-S/B
Market segment
Laptop
Laptop
Release date
March 2012
March 2015
Bus support
PCI Express 2.0
PCI Express 3.0
Interface
MXM-B (3.0)
PCIe 3.0 x8
SLI options
+
-
Boost clock speed
-
1176 MHz
Core clock speed
598 MHz
1072 MHz
CUDA cores
336
-
Floating-point performance
803.7 gflops
903.2 gflops
Manufacturing process technology
40 nm
28 nm
Number of transistors
1,950 million
1,870 million
Pipelines / CUDA cores
336
384
Power consumption (TDP)
75 Watt
75 Watt
Texture fill rate
33.5 billion/sec
28.22
Memory type
GDDR5
DDR3
Maximum RAM amount
3 GB
4 GB
Memory bus width
192bit
64 Bit
Memory clock speed
1500 MHz
2000 MHz
Memory bandwidth
72.0 GB/s
14.4 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
HDMI
+
-
HDCP
+
-
Maximum VGA resolution
Up to 2048x1536
-
DirectX
12 API
12 (11_0)
CUDA
+
+
OpenCL
1.1
1.2
OpenGL
4.5
4.5
Shader Model
5.1
5.1
Vulkan
N/A
1.1.126
GameWorks
-
+
GPU Boost
-
2.0
Optimus
+
+