GeForce 940M and HD Graphics 620 - video card comparison
Passmark - benchmark score GeForce 940M vs HD Graphics 620
GeForce 940M
1156
HD Graphics 620
963
GeForce 940M
HD Graphics 620
Architecture
Maxwell (2014−2018)
Gen. 9.5 Kaby Lake (2015−2017)
GPU code name
N16S-GT-S/B
Kaby-Lake GT2
Market segment
Laptop
Laptop
Release date
March 2015
August 2016
Bus support
PCI Express 3.0
-
Interface
PCIe 3.0 x8
PCIe 3.0 x1
Boost clock speed
1176 MHz
1050 MHz
Core clock speed
1072 MHz
300 MHz
Floating-point performance
903.2 gflops
403.2 gflops
Manufacturing process technology
28 nm
14 nm
Number of transistors
1,870 million
189 million
Pipelines / CUDA cores
384
24
Power consumption (TDP)
75 Watt
15 Watt
Texture fill rate
28.22
25.20
Memory type
DDR3
DDR3L/LPDDR3/LPDDR4
Maximum RAM amount
4 GB
32 GB
Memory bus width
64 Bit
64/128 Bit
Memory clock speed
2000 MHz
System Shared
Memory bandwidth
14.4 GB/s
-
Shared memory
-
+
Display Connectors
No outputs
No outputs
DirectX
12 (11_0)
12 (12_1)
CUDA
+
-
OpenCL
1.2
2.1
OpenGL
4.5
4.6
Shader Model
5.1
6.4
Vulkan
1.1.126
+
GameWorks
+
-
GPU Boost
2.0
-
Optimus
+
-
Quick Sync
-
+