HiSilicon Kirin 620 vs Intel Pentium Gold G5420T

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CPU comparison with benchmarks


HiSilicon Kirin 620 CPU1 vs CPU2 Intel Pentium Gold G5420T
HiSilicon Kirin 620 Intel Pentium Gold G5420T

CPU comparison

HiSilicon Kirin 620 or Intel Pentium Gold G5420T - which processor is faster? In this comparison we look at the differences and analyze which of these two CPUs is better. We compare the technical data and benchmark results.

The HiSilicon Kirin 620 has 4 cores with 4 threads and clocks with a maximum frequency of 1.20 GHz. Up to GB of memory is supported in 1 memory channels. The HiSilicon Kirin 620 was released in Q1/2015.

The Intel Pentium Gold G5420T has 2 cores with 4 threads and clocks with a maximum frequency of 3.20 GHz. The CPU supports up to 64 GB of memory in 2 memory channels. The Intel Pentium Gold G5420T was released in Q2/2019.
HiSilicon Kirin (29) Family Intel Pentium (150)
HiSilicon Kirin 620 (1) CPU group Intel Pentium G5000 (8)
3 Generation 8
Cortex-A53 Architecture Coffee Lake S
Mobile Segment Desktop / Server
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The HiSilicon Kirin 620 has 4 CPU cores and can calculate 4 threads in parallel. The clock frequency of the HiSilicon Kirin 620 is 1.20 GHz while the Intel Pentium Gold G5420T has 2 CPU cores and 4 threads can calculate simultaneously. The clock frequency of the Intel Pentium Gold G5420T is at 3.20 GHz.

HiSilicon Kirin 620 Characteristic Intel Pentium Gold G5420T
4 Cores 2
4 Threads 4
normal Core architecture normal
No Hyperthreading Yes
No Overclocking ? No
1.20 GHz Frequency 3.20 GHz
-- Turbo Frequency (1 Core) --
-- Turbo Frequency (All Cores) --

Artificial Intelligence and Machine Learning

Processors with the support of artificial intelligence (AI) and machine learning (ML) can process many calculations, especially audio, image and video processing, much faster than classic processors. Algorithms for ML improve their performance the more data they have collected via software. ML tasks can be processed up to 10,000 times faster than with a classic processor.

HiSilicon Kirin 620 Characteristic Intel Pentium Gold G5420T
-- AI hardware --
-- AI specifications --

Internal Graphics

The HiSilicon Kirin 620 or Intel Pentium Gold G5420T has integrated graphics, called iGPU for short. The iGPU uses the system's main memory as graphics memory and sits on the processor's die.

ARM Mali-450 MP4 GPU Intel HD Graphics 610
0.53 GHz GPU frequency 0.35 GHz
0.53 GHz GPU (Turbo) 1.05 GHz
Utgard GPU Generation 9.5
28nm Technology 14 nm
1 Max. displays 3
4 Compute units 12
64 Shader 96
No Hardware Raytracing No
No Frame Generation No
-- Max. GPU Memory 32 GB
0 DirectX Version 12

Hardware codec support

A photo or video codec that is accelerated in hardware can greatly accelerate the working speed of a processor and extend the battery life of notebooks or smartphones when playing videos.

ARM Mali-450 MP4 GPU Intel HD Graphics 610
No Codec h265 / HEVC (8 bit) Decode / Encode
No Codec h265 / HEVC (10 bit) Decode / Encode
No Codec h264 Decode / Encode
No Codec VP9 Decode / Encode
No Codec VP8 Decode / Encode
No Codec AV1 No
No Codec AVC Decode / Encode
No Codec VC-1 Decode
No Codec JPEG Decode / Encode

Memory & PCIe

The HiSilicon Kirin 620 can use up to GB of memory in 1 memory channels. The maximum memory bandwidth is --. The Intel Pentium Gold G5420T supports up to 64 GB of memory in 2 memory channels and achieves a memory bandwidth of up to 38.4 GB/s.

HiSilicon Kirin 620 Characteristic Intel Pentium Gold G5420T
LPDDR3 Memory DDR4-2400
Max. Memory 64 GB
1 (Single Channel) Memory channels 2 (Dual Channel)
-- Max. Bandwidth 38.4 GB/s
No ECC Yes
-- L2 Cache --
-- L3 Cache 4.00 MB
-- PCIe version 3.0
-- PCIe lanes 16
-- PCIe Bandwidth 15.8 GB/s

Thermal Management

The thermal design power (TDP for short) of the HiSilicon Kirin 620 is --, while the Intel Pentium Gold G5420T has a TDP of 35 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently.

HiSilicon Kirin 620 Characteristic Intel Pentium Gold G5420T
-- TDP (PL1 / PBP) 35 W
-- TDP (PL2) --
-- TDP up --
-- TDP down 25 W
-- Tjunction max. 100 °C

Technical details

The HiSilicon Kirin 620 is manufactured in 28 nm and has 0.00 MB cache. The Intel Pentium Gold G5420T is manufactured in 14 nm and has a 4.00 MB cache.

HiSilicon Kirin 620 Characteristic Intel Pentium Gold G5420T
28 nm Technology 14 nm
Chiplet Chip design Monolithic
Armv8-A (64 bit) Instruction set (ISA) x86-64 (64 bit)
-- ISA extensions SSE4.1, SSE4.2
-- Socket LGA 1151
None Virtualization VT-x, VT-x EPT, VT-d
No AES-NI Yes
Android Operating systems Windows 10, Windows 11, Linux
Q1/2015 Release date Q2/2019
-- Release price 64 $
show more data show more data


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Average performance in benchmarks

⌀ Single core performance in 1 CPU benchmarks
HiSilicon Kirin 620 (13%)
Intel Pentium Gold G5420T (100%)
⌀ Multi core performance in 1 CPU benchmarks
HiSilicon Kirin 620 (29%)
Intel Pentium Gold G5420T (100%)

Geekbench 5, 64bit (Single-Core)

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
HiSilicon Kirin 620 HiSilicon Kirin 620
4C 4T @ 1.20 GHz
102 (13%)
Intel Pentium Gold G5420T Intel Pentium Gold G5420T
2C 4T @ 3.20 GHz
780 (100%)

Geekbench 5, 64bit (Multi-Core)

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
HiSilicon Kirin 620 HiSilicon Kirin 620
4C 4T @ 1.20 GHz
505 (29%)
Intel Pentium Gold G5420T Intel Pentium Gold G5420T
2C 4T @ 3.20 GHz
1765 (100%)

iGPU - FP32 Performance (Single-precision GFLOPS)

The theoretical computing performance of the internal graphics unit of the processor with simple accuracy (32 bit) in GFLOPS. GFLOPS indicates how many billion floating point operations the iGPU can perform per second.
HiSilicon Kirin 620 HiSilicon Kirin 620
ARM Mali-450 MP4 @ 0.53 GHz
32 (16%)
Intel Pentium Gold G5420T Intel Pentium Gold G5420T
Intel HD Graphics 610 @ 1.05 GHz
202 (100%)

Estimated results for PassMark CPU Mark

Some of the CPUs listed below have been benchmarked by CPU-monkey. However the majority of CPUs have not been tested and the results have been estimated by a CPU-monkey’s secret proprietary formula. As such they do not accurately reflect the actual Passmark CPU mark values and are not endorsed by PassMark Software Pty Ltd.
HiSilicon Kirin 620 HiSilicon Kirin 620
4C 4T @ 1.20 GHz
0 (0%)
Intel Pentium Gold G5420T Intel Pentium Gold G5420T
2C 4T @ 3.20 GHz
3500 (100%)

Devices using this processor

HiSilicon Kirin 620 Intel Pentium Gold G5420T
Unknown Unknown

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