GeForce 940M and GeForce GT 650M - video card comparison
Passmark - benchmark score GeForce 940M vs GeForce GT 650M
GeForce 940M
1156
GeForce GT 650M
1241
GeForce 940M
GeForce GT 650M
Architecture
Maxwell (2014−2018)
Kepler (2012−2018)
GPU code name
N16S-GT-S/B
N13E-GE
Market segment
Laptop
Laptop
Release date
March 2015
March 2012
Bus support
PCI Express 3.0
PCI Express 2.0, PCI Express 3.0
Interface
PCIe 3.0 x8
PCIe 3.0 x16
Boost clock speed
1176 MHz
900 MHz
Core clock speed
1072 MHz
Up to 900 MHz
CUDA cores
-
384
Floating-point performance
903.2 gflops
652.8 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
1,870 million
1,270 million
Pipelines / CUDA cores
384
384
Power consumption (TDP)
75 Watt
45 Watt
Texture fill rate
28.22
Up to 27.2 billion/sec
Memory type
DDR3
DDR3\GDDR5
Maximum RAM amount
4 GB
2 GB
Memory bus width
64 Bit
128bit
Memory clock speed
2000 MHz
1800 - 4000 MHz
Memory bandwidth
14.4 GB/s
Up to 80.0 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
1.1.126
3D Blu-Ray
-
+
GameWorks
+
-
GPU Boost
2.0
-
Optimus
+
+