HiSilicon Kirin 620 vs Qualcomm Snapdragon 808

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CPU comparison with benchmarks


HiSilicon Kirin 620 CPU1 vs CPU2 Qualcomm Snapdragon 808
HiSilicon Kirin 620 Qualcomm Snapdragon 808

CPU comparison

HiSilicon Kirin 620 or Qualcomm Snapdragon 808 - 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 Qualcomm Snapdragon 808 has 6 cores with 6 threads and clocks with a maximum frequency of 1.82 GHz. The CPU supports up to 8 GB of memory in 2 memory channels. The Qualcomm Snapdragon 808 was released in Q3/2014.
HiSilicon Kirin (29) Family Qualcomm Snapdragon (102)
HiSilicon Kirin 620 (1) CPU group Qualcomm Snapdragon 808/810 (3)
3 Generation 2
Cortex-A53 Architecture Cortex-A57 / Cortex-A53
Mobile Segment Mobile
-- 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 Qualcomm Snapdragon 808 has 6 CPU cores and 6 threads can calculate simultaneously. The clock frequency of the Qualcomm Snapdragon 808 is at 1.82 GHz.

HiSilicon Kirin 620 Characteristic Qualcomm Snapdragon 808
4 Cores 6
4 Threads 6
normal Core architecture hybrid (big.LITTLE)
No Hyperthreading No
No Overclocking ? No
1.20 GHz
4x Cortex-A53
A-Core 1.82 GHz
2x Cortex-A57
-- B-Core 1.44 GHz
4x Cortex-A53

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 Qualcomm Snapdragon 808
-- AI hardware Qualcomm AI engine
-- AI specifications Hexagon QDSP V56

Internal Graphics

The HiSilicon Kirin 620 or Qualcomm Snapdragon 808 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 Qualcomm Adreno 418
0.53 GHz GPU frequency 0.60 GHz
0.53 GHz GPU (Turbo) 0.60 GHz
Utgard GPU Generation 4
28nm Technology 20 nm
1 Max. displays 0
4 Compute units --
64 Shader 128
No Hardware Raytracing No
No Frame Generation No
-- Max. GPU Memory --
0 DirectX Version 11

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 Qualcomm Adreno 418
No Codec h265 / HEVC (8 bit) Decode
No Codec h265 / HEVC (10 bit) No
No Codec h264 Decode / Encode
No Codec VP9 No
No Codec VP8 No
No Codec AV1 No
No Codec AVC No
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 Qualcomm Snapdragon 808 supports up to 8 GB of memory in 2 memory channels and achieves a memory bandwidth of up to 14.9 GB/s.

HiSilicon Kirin 620 Characteristic Qualcomm Snapdragon 808
LPDDR3 Memory LPDDR3-1866
Max. Memory 8 GB
1 (Single Channel) Memory channels 2 (Dual Channel)
-- Max. Bandwidth 14.9 GB/s
No ECC No
-- L2 Cache --
-- L3 Cache --
-- PCIe version --
-- PCIe lanes --
-- PCIe Bandwidth --

Thermal Management

The thermal design power (TDP for short) of the HiSilicon Kirin 620 is --, while the Qualcomm Snapdragon 808 has a TDP of --. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently.

HiSilicon Kirin 620 Characteristic Qualcomm Snapdragon 808
-- TDP (PL1 / PBP) --
-- 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 Qualcomm Snapdragon 808 is manufactured in 20 nm and has a 0.00 MB cache.

HiSilicon Kirin 620 Characteristic Qualcomm Snapdragon 808
28 nm Technology 20 nm
Chiplet Chip design Chiplet
Armv8-A (64 bit) Instruction set (ISA) Armv8-A (64 bit)
-- ISA extensions --
-- Socket --
None Virtualization None
No AES-NI No
Android Operating systems Android
Q1/2015 Release date Q3/2014
-- Release price --
show more data show more data


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Average performance in benchmarks

⌀ Single core performance in 1 CPU benchmarks
⌀ Multi core performance in 1 CPU benchmarks

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 (43%)
Qualcomm Snapdragon 808 Qualcomm Snapdragon 808
6C 6T @ 1.82 GHz
237 (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 (75%)
Qualcomm Snapdragon 808 Qualcomm Snapdragon 808
6C 6T @ 1.82 GHz
675 (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 (21%)
Qualcomm Snapdragon 808 Qualcomm Snapdragon 808
Qualcomm Adreno 418 @ 0.60 GHz
154 (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%)
Qualcomm Snapdragon 808 Qualcomm Snapdragon 808
6C 6T @ 1.82 GHz
1234 (100%)

Devices using this processor

HiSilicon Kirin 620 Qualcomm Snapdragon 808
Unknown Unknown

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