HiSilicon Kirin 620 vs Intel Xeon D-2738

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CPU comparison with benchmarks


HiSilicon Kirin 620 CPU1 vs CPU2 Intel Xeon D-2738
HiSilicon Kirin 620 Intel Xeon D-2738

CPU comparison

HiSilicon Kirin 620 or Intel Xeon D-2738 - 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 Xeon D-2738 has 8 cores with 16 threads and clocks with a maximum frequency of 3.50 GHz. The CPU supports up to 1024 GB of memory in 4 memory channels. The Intel Xeon D-2738 was released in Q1/2022.
HiSilicon Kirin (29) Family Intel Xeon D (79)
HiSilicon Kirin 620 (1) CPU group Intel Xeon D-2700 (16)
3 Generation 4
Cortex-A53 Architecture Ice Lake
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 Xeon D-2738 has 8 CPU cores and 16 threads can calculate simultaneously. The clock frequency of the Intel Xeon D-2738 is at 2.50 GHz (3.50 GHz).

HiSilicon Kirin 620 Characteristic Intel Xeon D-2738
4 Cores 8
4 Threads 16
normal Core architecture normal
No Hyperthreading Yes
No Overclocking ? No
1.20 GHz Frequency 2.50 GHz
-- Turbo Frequency (1 Core) 3.50 GHz
-- Turbo Frequency (All Cores) 3.30 GHz

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 Xeon D-2738
-- AI hardware --
-- AI specifications --

Internal Graphics

The HiSilicon Kirin 620 or Intel Xeon D-2738 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 no iGPU
0.53 GHz GPU frequency --
0.53 GHz GPU (Turbo) --
Utgard GPU Generation --
28nm Technology
1 Max. displays
4 Compute units --
64 Shader --
No Hardware Raytracing No
No Frame Generation No
-- Max. GPU Memory --
0 DirectX Version --

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 no iGPU
No Codec h265 / HEVC (8 bit) No
No Codec h265 / HEVC (10 bit) No
No Codec h264 No
No Codec VP9 No
No Codec VP8 No
No Codec AV1 No
No Codec AVC No
No Codec VC-1 No
No Codec JPEG No

Memory & PCIe

The HiSilicon Kirin 620 can use up to GB of memory in 1 memory channels. The maximum memory bandwidth is --. The Intel Xeon D-2738 supports up to 1024 GB of memory in 4 memory channels and achieves a memory bandwidth of up to 93.8 GB/s.

HiSilicon Kirin 620 Characteristic Intel Xeon D-2738
LPDDR3 Memory DDR4-2933
Max. Memory 1024 GB
1 (Single Channel) Memory channels 4 (Quad Channel)
-- Max. Bandwidth 93.8 GB/s
No ECC Yes
-- L2 Cache 15.00 MB
-- L3 Cache --
-- PCIe version 4.0
-- PCIe lanes 32
-- PCIe Bandwidth 63.0 GB/s

Thermal Management

The thermal design power (TDP for short) of the HiSilicon Kirin 620 is --, while the Intel Xeon D-2738 has a TDP of 88 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently.

HiSilicon Kirin 620 Characteristic Intel Xeon D-2738
-- TDP (PL1 / PBP) 88 W
-- TDP (PL2) --
-- TDP up --
-- TDP down --
-- Tjunction max. --

Technical details

The HiSilicon Kirin 620 is manufactured in 28 nm and has 0.00 MB cache. The Intel Xeon D-2738 is manufactured in 10 nm and has a 15.00 MB cache.

HiSilicon Kirin 620 Characteristic Intel Xeon D-2738
28 nm Technology 10 nm
Chiplet Chip design Monolithic
Armv8-A (64 bit) Instruction set (ISA) x86-64 (64 bit)
-- ISA extensions SSE4.1, SSE4.2, AVX2, AVX-512
-- Socket BGA 2579
None Virtualization VT-x, VT-x EPT, VT-d
No AES-NI Yes
Android Operating systems Windows 10, Linux
Q1/2015 Release date Q1/2022
-- Release price 713 $
show more data show more data


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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 (100%)
Intel Xeon D-2738 Intel Xeon D-2738
8C 16T @ 3.50 GHz
0 (0%)

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 (100%)
Intel Xeon D-2738 Intel Xeon D-2738
8C 16T @ 3.30 GHz
0 (0%)

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 (100%)
Intel Xeon D-2738 Intel Xeon D-2738
@ 0.00 GHz
0 (0%)

Devices using this processor

HiSilicon Kirin 620 Intel Xeon D-2738
Unknown Unknown

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