MediaTek Dimensity 820 vs MediaTek Dimensity 900

The MediaTek Dimensity 820 and the MediaTek Dimensity 900 are two powerful processors with their own unique specifications.

Starting with the MediaTek Dimensity 820, this processor features an architecture consisting of 4x 2.6 GHz Cortex-A76 cores and 4x 2.0 GHz Cortex-A55 cores. It has a total of 8 cores and operates on the ARMv8.2-A instruction set. Built on a 7 nm lithography, this processor is designed for efficient performance with a TDP of 10 Watts. It also includes a Neural Processing Unit (NPU) for enhanced AI capabilities.

On the other hand, the MediaTek Dimensity 900 comes with a slightly different architecture. It is equipped with 2x 2.4 GHz Cortex-A78 cores and 6x 2.0 GHz Cortex-A55 cores, totaling 8 cores as well. Similar to the Dimensity 820, it runs on the ARMv8.2-A instruction set. However, the Dimensity 900 has a smaller lithography of 6 nm, offering potentially improved power efficiency. Interestingly, it boasts a high number of transistors at 10000 million, indicating a greater level of processing power. The TDP for this processor is also 10 Watts, ensuring it operates within a reasonable power envelope. The Dimensity 900 also features an NPU for AI-related tasks.

In comparison, while both processors share the same number of cores and instruction set, they differ in their core architecture. The Dimensity 820 has faster Cortex-A76 cores, while the Dimensity 900 incorporates more powerful Cortex-A78 cores. Additionally, the Dimensity 900 benefits from a more advanced 6 nm lithography and a higher number of transistors, potentially resulting in increased performance and efficiency. However, the Dimensity 820 has the advantage of the same level of performance at a reduced power consumption due to its 7 nm lithography. Ultimately, the choice between these processors would depend on specific requirements and preferences in terms of power efficiency and processing power.

CPU cores and architecture

Architecture 4x 2.6 GHz – Cortex-A76
4x 2.0 GHz – Cortex-A55
2x 2.4 GHz – Cortex-A78
6x 2.0 GHz – Cortex-A55
Number of cores 8 8
Instruction Set ARMv8.2-A ARMv8.2-A
Lithography 7 nm 6 nm
Number of transistors 10000 million
TDP 10 Watt 10 Watt
Neural Processing NPU NPU

Memory (RAM)

Max amount up to 16 GB up to 16 GB
Memory type LPDDR4X LPDDR5
Memory frequency 2133 MHz 3200 MHz
Memory-bus 2x16 bit 4x16 bit


Storage specification UFS 2.2 UFS 3.1


GPU name Mali-G57 MP5 Mali-G68 MP4
GPU Architecture Valhall Valhall
GPU frequency 650 MHz 900 MHz
Execution units 5 4
Shaders 80 64
DirectX 12 12
OpenCL API 2.1 2.0
OpenGL API ES 3.2 ES 3.2
Vulkan API 1.2 1.2

Camera, Video, Display

Max screen resolution 2520x1080@120Hz 2520x1080@120Hz
Max camera resolution 1x 80MP, 1x 32MP + 1x 16MP 1x 108MP, 2x 20MP
Max Video Capture 4K@30fps 4K@30fps
Video codec support H.264 (AVC)
H.265 (HEVC)
H.264 (AVC)
H.265 (HEVC)


4G network Yes Yes
5G network Yes Yes
Peak Download Speed 2.77 Gbps 2.77 Gbps
Peak Upload Speed 1.2 Gbps 1.2 Gbps
Wi-Fi 5 (802.11ac) 6 (802.11ax)
Bluetooth 5.1 5.2
Satellite navigation BeiDou

Supplemental Information

Launch Date 2020 May 2021 Quarter 1
Partnumber MT6875 MT6877
Vertical Segment Mobiles Mobiles
Positioning Mid-end Mid-end

AnTuTu 10

Total Score
Dimensity 820
Dimensity 900

GeekBench 6 Single-Core

Dimensity 820
Dimensity 900

GeekBench 6 Multi-Core

Dimensity 820
Dimensity 900