HiSilicon Kirin 990 4G vs Qualcomm Snapdragon 821

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Which processor is better? We compared HiSilicon Kirin 990 4G with Qualcomm Snapdragon 821. Compare, analyze the specifications. Find out their scores in popular benchmarks (AnTuTu 10, GeekBench 6 Single-Core, GeekBench 6 Multi-Core) and who is the winner?

CPU cores and architecture

Architecture	2x 2.86 GHz – Cortex-A76 2x 2.09 GHz – Cortex-A76 4x 1.86 GHz – Cortex-A55	4x 2.4 GHz – Kryo 4x 1.6 GHz – Kryo
Number of cores	8	8
Instruction Set	ARMv8.2-A	ARMv8-A
Lithography	7 nm	14 nm
Number of transistors	8000 million	2000 million
TDP	6 Watt	11 Watt
Neural Processing	Ascend Lite + Ascend Tiny, HUAWEI Da Vinci Architecture, HiAI 2.0	Qualcomm Hexagon 680

Memory (RAM)

Max amount	up to 12 GB	up to 8 GB
Memory type	LPDDR4X	LPDDR4
Memory frequency	2133 MHz	1866 MHz
Memory-bus	4x16 bit	2x16 bit

Storage

Storage specification

UFS 3.0

UFS 2.0

Graphics

GPU name	Mali-G76 MP16	Adreno 530
GPU Architecture	Bifrost	Adreno 500
GPU frequency	600 MHz	650 MHz
Execution units	16	2
Shaders	256	256
DirectX	12	11.2
OpenCL API	2.0	2.0
OpenGL API		ES 3.1
Vulkan API	1.1	1.0

Camera, Video, Display

Max screen resolution	3360x1440@60Hz	3840x2160
Max camera resolution		1x 28MP, 2x
Max Video Capture	4K@60fps	4K@30fps
Video codec support	H.264 (AVC) H.265 (HEVC) VC-1 VP8 VP9	H.264 (AVC) H.265 (HEVC)

Wireless

4G network	Yes	Yes
5G network	Yes	Yes
Peak Download Speed		0.6 Gbps
Peak Upload Speed		0.15 Gbps
Wi-Fi	6 (802.11ax)	5 (802.11ac)
Bluetooth	5.0	4.1
Satellite navigation	BeiDou GPS Galileo GLONASS	BeiDou GPS Galileo GLONASS