HiSilicon Kirin 655 VS Qualcomm Snapdragon 450

Comparison of video cards HiSilicon Kirin 655 vs Qualcomm Snapdragon 450 in benchmarks and specifications.

Differences Specifications Benchmarks

Differences

Top features of HiSilicon Kirin 655

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Higher turbo clock speed

2.12 GHz 1.80 GHz

Around 15% better overclocked clock speed

Top features of Qualcomm Snapdragon 450

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Higher clock speed

1.80 GHz 1.70 GHz

Around 6% better clock speed

Specifications

Complete list of technical specifications

HiSilicon Kirin 655 Qualcomm Snapdragon 450

CPU generation and family

Let's find out which one of HiSilicon Kirin 655 and Qualcomm Snapdragon 450 is of a more recent generation, and what segment it belongs to.

Specification	Value
Name	HiSilicon Kirin 655 Qualcomm Snapdragon 450
Segment	Mobile Mobile
Family	HiSilicon Kirin Qualcomm Snapdragon
Generation	4 4
CPU group	HiSilicon Kirin 650 Qualcomm Snapdragon 450

CPU Cores and Base Frequency

In this block we are going to compare HiSilicon Kirin 655 vs Qualcomm Snapdragon 450 by main technical specifications: number of cores and threads, base and maximum frequencies, process technology and cache size. The higher these specifications are, the more powerful your CPU will be.

Specification	Value
Frequency	1.70 GHz 1.80 GHz
CPU Cores	8 8
Turbo (1 Core)	2.12 GHz 1.80 GHz
CPU Threads	8 8
Turbo (8 Cores)	2.12 GHz 1.80 GHz
Hyperthreading	No No
Overclocking	No No
Core architecture	hybrid (big.LITTLE) normal
A core	4x Cortex-A53 --
B core	4x Cortex-A53 --

Internal Graphics

Common specifications for integrated graphics cards in HiSilicon Kirin 655 and Qualcomm Snapdragon 450 along with supported interfaces and connection options. This block has no effect on the final efficiency of the CPU.

Specification	Value
GPU name	ARM Mali-T830 MP2 Qualcomm Adreno 506
GPU frequency	0.90 GHz 0.60 GHz
GPU (Turbo)	0.90 GHz 0.60 GHz
Execution units	2 0
Shader	32 96
Max. displays	2 0
Generation	Midgard 4 5
DirectX Version	11 11
Technology	28nm 14 nm
Release date	Q4/2015 Q4/2015

Hardware codec support

Let's compare the support of video codecs between HiSilicon Kirin 655 and Qualcomm Snapdragon 450. Hardware support of video decoding by embedded graphics cards directly affects the speed and quality of rendering videos.

Specification	Value
h265 / HEVC (8 bit)	Decode / Encode Decode
h265 / HEVC (10 bit)	Decode No
h264	Decode / Encode Decode / Encode
VP9	No No
VP8	Decode / Encode No
AV1	No No
AVC	No No
VC-1	No Decode
JPEG	Decode / Encode Decode / Encode

Memory & PCIe

To choose the best model between HiSilicon Kirin 655 and Qualcomm Snapdragon 450 you need to pay special attention to memory type, clock frequency, multi-channel features, and PCIe version. The higher these numbers are, the better your CPU will be. Keep in mind that the maximum memory and frequency may also depend on the model of the motherboard.

Specification	Value
Memory type	LPDDR3-933 LPDDR3-933
ECC	No No
Memory channels	2 1

Encryption

AES-NI encryption support for CPUs HiSilicon Kirin 655 and Qualcomm Snapdragon 450.

Specification	Value
AES-NI	No No

Thermal Management

Let's find out what TDP value would be better for HiSilicon Kirin 655 or Qualcomm Snapdragon 450? The Thermal Design Power (TDP) indicates the maximum amount of heat that should be dissipated by the chip cooling system. However, the value of TDP gives only a rough indication of the real power consumption of the CPU.

Specification	Value

Technical details

Here you can find a comparison of 2nd and 3rd level cache sizes for HiSilicon Kirin 655 and Qualcomm Snapdragon 450 CPUs along with a list of ISA extensions.

Specification	Value
Instruction set (ISA)	ARMv8-A64 (64 bit) ARMv8-A64 (64 bit)
Virtualization	None None
Architecture	Cortex-A53 / Cortex-A53 Cortex-A53
Technology	16 nm 14 nm
Socket	N/A N/A
Release date	Q2/2016 Q3/2017
Part Number	-- SDM450