AMD Ryzen 7 PRO 7840HS vs HiSilicon Kirin 620

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CPU comparison with benchmarks


AMD Ryzen 7 PRO 7840HS CPU1 vs CPU2 HiSilicon Kirin 620
AMD Ryzen 7 PRO 7840HS HiSilicon Kirin 620

CPU comparison

In this CPU comparison, we compare the AMD Ryzen 7 PRO 7840HS and the HiSilicon Kirin 620 and use benchmarks to check which processor is faster.

We compare the AMD Ryzen 7 PRO 7840HS 8 core processor released in Q2/2023 with the HiSilicon Kirin 620 which has 4 CPU cores and was introduced in Q1/2015.
AMD Ryzen 7 PRO (21) Family HiSilicon Kirin (29)
AMD Ryzen 7040 (21) CPU group HiSilicon Kirin 620 (1)
6 Generation 3
Phoenix (Zen 4) Architecture Cortex-A53
Mobile Segment Mobile
-- Predecessor --
AMD Ryzen 7 PRO 8840HS Successor --

CPU Cores and Base Frequency

The AMD Ryzen 7 PRO 7840HS is a 8 core processor with a clock frequency of 3.80 GHz (5.10 GHz). The processor can compute 16 threads at the same time. The HiSilicon Kirin 620 clocks with 1.20 GHz, has 4 CPU cores and can calculate 4 threads in parallel.

AMD Ryzen 7 PRO 7840HS Characteristic HiSilicon Kirin 620
8 Cores 4
16 Threads 4
normal Core architecture normal
Yes Hyperthreading No
No Overclocking ? No
3.80 GHz Frequency 1.20 GHz
5.10 GHz Turbo Frequency (1 Core) --
4.25 GHz Turbo Frequency (All Cores) --

NPU AI performance

The performance values of the processor's AI unit. The isolated NPU performance is specified here, the total AI performance (NPU+CPU+iGPU) can be higher. Processors with support for artificial intelligence (AI) and machine learning (ML) can process many calculations, especially audio, image and video processing, much faster than classic processors.

AMD Ryzen 7 PRO 7840HS Characteristic HiSilicon Kirin 620
AMD Ryzen™ AI AI hardware --
AMD dedicated AI XDNA Technology AI specifications --
-- NPU + CPU + iGPU --

Integrated graphics (iGPU)

Graphics (iGPU) integrated into the processor not only enable image output without having to rely on a dedicated graphics solution, but can also efficiently accelerate video playback.

AMD Radeon 780M GPU ARM Mali-450 MP4
0.80 GHz GPU frequency 0.53 GHz
2.70 GHz GPU (Turbo) 0.53 GHz
3 GPU Generation Utgard
4 nm Technology 28nm
4 Max. displays 1
12 Compute units 4
768 Shader 64
Yes Hardware Raytracing No
AMD FSR Frame Generation No
32 GB Max. GPU Memory --
12 DirectX Version 0

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.

AMD Radeon 780M GPU ARM Mali-450 MP4
Decode / Encode Codec h265 / HEVC (8 bit) No
Decode / Encode Codec h265 / HEVC (10 bit) No
Decode / Encode Codec h264 No
Decode Codec VP9 No
Decode Codec VP8 No
Decode / Encode Codec AV1 No
Decode Codec AVC No
Decode Codec VC-1 No
Decode / Encode Codec JPEG No

Memory & PCIe

Up to 256 GB of memory in a maximum of 2 memory channels is supported by the AMD Ryzen 7 PRO 7840HS, while the HiSilicon Kirin 620 supports a maximum of GB of memory with a maximum memory bandwidth of -- enabled.

AMD Ryzen 7 PRO 7840HS Characteristic HiSilicon Kirin 620
DDR5-4800, DDR5-5600, LPDDR5-6400, LPDDR5X-7500 Memory LPDDR3
256 GB Max. Memory
2 (Dual Channel) Memory channels 1 (Single Channel)
120.0 GB/s Max. Bandwidth --
Yes ECC No
8.00 MB L2 Cache --
16.00 MB L3 Cache --
4.0 PCIe version --
20 PCIe lanes --
39.4 GB/s PCIe Bandwidth --

Thermal Management

The AMD Ryzen 7 PRO 7840HS has a TDP of 54 W. The TDP of the HiSilicon Kirin 620 is --. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution.

AMD Ryzen 7 PRO 7840HS Characteristic HiSilicon Kirin 620
54 W TDP (PL1 / PBP) --
-- TDP (PL2) --
-- TDP up --
35 W TDP down --
100 °C Tjunction max. --

Technical details

The AMD Ryzen 7 PRO 7840HS has 24.00 MB cache and is manufactured in 4 nm. The cache of HiSilicon Kirin 620 is at 0.00 MB. The processor is manufactured in 28 nm.

AMD Ryzen 7 PRO 7840HS Characteristic HiSilicon Kirin 620
4 nm Technology 28 nm
Monolithic Chip design Chiplet
x86-64 (64 bit) Instruction set (ISA) Armv8-A (64 bit)
SSE4a, SSE4.1, SSE4.2,FMA3, AVX2, AVX512 ISA extensions --
FP8 Socket --
AMD-V, SVM Virtualization None
Yes AES-NI No
Windows 10, Windows 11, Linux Operating systems Android
Q2/2023 Release date Q1/2015
-- Release price --
show more data show more data


Rate these processors

Here you can rate the AMD Ryzen 7 PRO 7840HS to help other visitors make their purchasing decisions. The average rating is 5.0 stars (3 ratings). Rate now:
Here you can rate the HiSilicon Kirin 620 to help other visitors make their purchasing decisions. The average rating is 5.0 stars (1 ratings). Rate now:


Average performance in benchmarks

⌀ Single core performance in 1 CPU benchmarks
AMD Ryzen 7 PRO 7840HS (100%)
HiSilicon Kirin 620 (5%)
⌀ Multi core performance in 1 CPU benchmarks
AMD Ryzen 7 PRO 7840HS (100%)
HiSilicon Kirin 620 (4%)

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.
AMD Ryzen 7 PRO 7840HS AMD Ryzen 7 PRO 7840HS
8C 16T @ 5.10 GHz
1857 (100%)
HiSilicon Kirin 620 HiSilicon Kirin 620
4C 4T @ 1.20 GHz
102 (5%)

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.
AMD Ryzen 7 PRO 7840HS AMD Ryzen 7 PRO 7840HS
8C 16T @ 4.25 GHz
11334 (100%)
HiSilicon Kirin 620 HiSilicon Kirin 620
4C 4T @ 1.20 GHz
505 (4%)

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.
AMD Ryzen 7 PRO 7840HS AMD Ryzen 7 PRO 7840HS
AMD Radeon 780M @ 2.70 GHz
4201 (100%)
HiSilicon Kirin 620 HiSilicon Kirin 620
ARM Mali-450 MP4 @ 0.53 GHz
32 (1%)

Cinebench 2024 (Single-Core)

The Cinebench 2024 benchmark is based on the Redshift rendering engine, which is also used in Maxon's 3D program Cinema 4D. The benchmark runs are each 10 minutes long to test whether the processor is limited by its heat generation.
AMD Ryzen 7 PRO 7840HS AMD Ryzen 7 PRO 7840HS
8C 16T @ 5.10 GHz
102 (100%)
HiSilicon Kirin 620 HiSilicon Kirin 620
4C 4T @ 1.20 GHz
0 (0%)

Cinebench 2024 (Multi-Core)

The Multi-Core test of the Cinebench 2024 benchmark uses all cpu cores to render using the Redshift rendering engine, which is also used in Maxons Cinema 4D. The benchmark run is 10 minutes long to test whether the processor is limited by its heat generation.
AMD Ryzen 7 PRO 7840HS AMD Ryzen 7 PRO 7840HS
8C 16T @ 5.10 GHz
866 (100%)
HiSilicon Kirin 620 HiSilicon Kirin 620
4C 4T @ 1.20 GHz
0 (0%)

Cinebench R23 (Single-Core)

Cinebench R23 is the successor of Cinebench R20 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
AMD Ryzen 7 PRO 7840HS AMD Ryzen 7 PRO 7840HS
8C 16T @ 5.10 GHz
1757 (100%)
HiSilicon Kirin 620 HiSilicon Kirin 620
4C 4T @ 1.20 GHz
0 (0%)

Cinebench R23 (Multi-Core)

Cinebench R23 is the successor of Cinebench R20 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
AMD Ryzen 7 PRO 7840HS AMD Ryzen 7 PRO 7840HS
8C 16T @ 4.25 GHz
15930 (100%)
HiSilicon Kirin 620 HiSilicon Kirin 620
4C 4T @ 1.20 GHz
0 (0%)

Geekbench 6 (Single-Core)

Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The single-core benchmark only evaluates the performance of the fastest CPU core, the number of CPU cores in a processor is irrelevant here.
AMD Ryzen 7 PRO 7840HS AMD Ryzen 7 PRO 7840HS
8C 16T @ 5.10 GHz
2456 (100%)
HiSilicon Kirin 620 HiSilicon Kirin 620
4C 4T @ 1.20 GHz
0 (0%)

Geekbench 6 (Multi-Core)

Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The multi-core benchmark evaluates the performance of all of the processor's CPU cores. Virtual thread improvements such as AMD SMT or Intel's Hyper-Threading have a positive impact on the benchmark result.
AMD Ryzen 7 PRO 7840HS AMD Ryzen 7 PRO 7840HS
8C 16T @ 4.25 GHz
12135 (100%)
HiSilicon Kirin 620 HiSilicon Kirin 620
4C 4T @ 1.20 GHz
0 (0%)

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.
AMD Ryzen 7 PRO 7840HS AMD Ryzen 7 PRO 7840HS
8C 16T @ 4.25 GHz
28412 (100%)
HiSilicon Kirin 620 HiSilicon Kirin 620
4C 4T @ 1.20 GHz
0 (0%)

AI performance (NPU)

The performance values of the processor's AI unit. The isolated NPU performance is given here, the total AI performance (NPU+CPU+iGPU) can be higher.

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. The performance is given in the number (trillions) of arithmetic operations per second (TOPS).
AMD Ryzen 7 PRO 7840HS AMD Ryzen 7 PRO 7840HS
8C 16T @ 3.80 GHz
10 (100%)
HiSilicon Kirin 620 HiSilicon Kirin 620
4C 4T @ 1.20 GHz
0 (0%)

Devices using this processor

AMD Ryzen 7 PRO 7840HS HiSilicon Kirin 620
Unknown Unknown

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