HD Graphics 620 and GeForce GT 555M - video card comparison
Passmark - benchmark score HD Graphics 620 vs GeForce GT 555M
HD Graphics 620
963
GeForce GT 555M
674
HD Graphics 620
GeForce GT 555M
Architecture
Gen. 9.5 Kaby Lake (2015−2017)
Fermi (2010−2014)
GPU code name
Kaby-Lake GT2
N12E-GE-B
Market segment
Laptop
Laptop
Release date
August 2016
January 2011
Bus support
-
PCI Express 2.0
Interface
PCIe 3.0 x1
PCIe 2.0 x16
SLI options
-
+
Boost clock speed
1050 MHz
753 MHz
Core clock speed
300 MHz
Up to 753 MHz
CUDA cores
-
Up to 144
Floating-point performance
403.2 gflops
388.8 gflops
Manufacturing process technology
14 nm
40 nm
Number of transistors
189 million
1,170 million
Pipelines / CUDA cores
24
144
Power consumption (TDP)
15 Watt
35 Watt
Texture fill rate
25.20
Up to 16.2 billion/sec
Memory type
DDR3L/LPDDR3/LPDDR4
DDR3\DDR5
Maximum RAM amount
32 GB
3 GB
Memory bus width
64/128 Bit
Up to 192 bit/128 Bit
Memory clock speed
System Shared
Up to 1569 MHz
Memory bandwidth
-
Up to 50.2 GB/s
Shared memory
+
-
Display Connectors
No outputs
No outputs
DirectX
12 (12_1)
12 API
CUDA
-
+
OpenCL
2.1
1.1
OpenGL
4.6
4.5
Shader Model
6.4
5.1
Vulkan
+
N/A
3D Blu-Ray
-
+
3D Gaming
-
+
Optimus
-
+
Quick Sync
+
-