GeForce 940M and GeForce 845M - video card comparison
Passmark - benchmark score GeForce 940M vs GeForce 845M
GeForce 940M
1156
GeForce 845M
1570
GeForce 940M
GeForce 845M
Architecture
Maxwell (2014−2018)
Maxwell (2014−2018)
GPU code name
N16S-GT-S/B
GM108
Market segment
Laptop
Laptop
Release date
March 2015
March 2014
Bus support
PCI Express 3.0
-
Interface
PCIe 3.0 x8
PCIe 3.0 x8
Boost clock speed
1176 MHz
1150 MHz
Core clock speed
1072 MHz
1071 MHz
Floating-point performance
903.2 gflops
883.7 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
1,870 million
1,870 million
Pipelines / CUDA cores
384
384
Power consumption (TDP)
75 Watt
45 Watt
Texture fill rate
28.22
37.63
Memory type
DDR3
DDR3, GDDR5
Maximum RAM amount
4 GB
2 GB
Memory bus width
64 Bit
64/128 Bit
Memory clock speed
2000 MHz
2000 - 5000 MHz
Memory bandwidth
14.4 GB/s
40.1 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
DirectX
12 (11_0)
12 (11_0)
CUDA
+
+
OpenCL
1.2
1.2
OpenGL
4.5
4.6
Shader Model
5.1
5.1
Vulkan
1.1.126
1.1.126
GameWorks
+
-
GPU Boost
2.0
-
Optimus
+
+