HiSilicon Kirin 955 vs MediaTek Dimensity 800

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The HiSilicon Kirin 955 and MediaTek Dimensity 800 are two processors that offer different specifications and features.

Starting with the HiSilicon Kirin 955, it features a CPU architecture consisting of 4x 2.5 GHz Cortex-A72 cores and 4x 1.8 GHz Cortex-A53 cores. With a total of 8 cores, this processor provides a balanced mix of performance and power efficiency. It supports the ARMv8-A instruction set and is built using a 16 nm lithography process. The Kirin 955 also boasts a total of 2000 million transistors, indicating a high level of integration. Additionally, it has a TDP of 5 Watts, which suggests a relatively low power consumption.

On the other hand, the MediaTek Dimensity 800 utilizes a different CPU architecture. It combines 4x 2.0 GHz Cortex-A76 cores with 4x 2.0 GHz Cortex-A55 cores. With a total of 8 cores as well, this processor focuses more on performance with its high-performance Cortex-A76 cores. It supports the ARMv8.2-A instruction set and is fabricated using a smaller 7 nm lithography process. Furthermore, the Dimensity 800 has a TDP of 10 Watts, indicating a slightly higher power consumption compared to the Kirin 955. Additionally, it also boasts a Neural Processing Unit (NPU), which allows for more efficient AI processing.

In summary, while both processors offer octa-core configurations, the HiSilicon Kirin 955 features a higher clock speed for its high-performance cores and a lower power consumption. Meanwhile, the MediaTek Dimensity 800 highlights performance with its high-performance cores and incorporates an NPU for enhanced AI processing. Overall, the choice between these processors would depend on specific requirements such as power efficiency or AI processing capabilities.

CPU cores and architecture

Architecture 4x 2.5 GHz – Cortex-A72
4x 1.8 GHz – Cortex-A53
4x 2.0 GHz – Cortex-A76
4x 2.0 GHz – Cortex-A55
Number of cores 8 4
Instruction Set ARMv8-A ARMv8.2-A
Lithography 16 nm 7 nm
Number of transistors 2000 million
TDP 5 Watt 10 Watt
Neural Processing NPU

Memory (RAM)

Max amount up to 4 GB up to 16 GB
Memory type LPDDR4 LPDDR4X
Memory frequency 1333 MHz 2133 MHz
Memory-bus 2x32 bit 2x16 bit

Storage

Storage specification UFS 2.0 UFS 2.2

Graphics

GPU name Mali-T880 MP4 Mali-G57 MP4
GPU Architecture Midgard Valhall
GPU frequency 900 MHz 650 MHz
Execution units 4 4
Shaders 64 64
DirectX 11.2 12
OpenCL API 1.2 2.1
OpenGL API ES 3.2
Vulkan API 1.0 1.2

Camera, Video, Display

Max screen resolution 2520x1080@120Hz
Max camera resolution 1x 31MP, 2x 13MP 1x 80MP, 1x 32MP + 1x 16MP
Max Video Capture FullHD@60fps 4K@30FPS
Video codec support H.264 (AVC)
H.265 (HEVC)
VP8
H.264 (AVC)
H.265 (HEVC)
VP9

Wireless

4G network Yes Yes
5G network Yes Yes
Peak Download Speed 0.3 Gbps 2.77 Gbps
Peak Upload Speed 0.05 Gbps 1.2 Gbps
Wi-Fi 5 (802.11ac) 5 (802.11ac)
Bluetooth 4.2 5.1
Satellite navigation BeiDou
GPS
Galileo
GLONASS
BeiDou
GPS
Galileo
GLONASS
QZSS

Supplemental Information

Launch Date 2016 April 2020 Quarter 2
Partnumber Hi3655 MT6873, MT6873V
Vertical Segment Mobiles Mobiles
Positioning Flagship Mid-end

AnTuTu 10

Total Score
Kirin 955
147887
Dimensity 800
325654

GeekBench 6 Single-Core

Score
Kirin 955
345
Dimensity 800
514

GeekBench 6 Multi-Core

Score
Kirin 955
1180
Dimensity 800
1882