MediaTek Dimensity 900 vs Unisoc SC9863A

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The Unisoc SC9863A and the MediaTek Dimensity 900 are two processors with distinct specifications.

Starting with the Unisoc SC9863A, it features an architecture consisting of four Cortex-A55 cores clocked at 1.6 GHz and an additional four Cortex-A55 cores running at 1.2 GHz. The processor has a total of eight cores, making it suitable for multitasking and handling various applications. Its Instruction Set is ARMv8.2-A, ensuring compatibility with a wide range of software. With a lithography of 28 nm, it offers decent energy efficiency, requiring a TDP of 3 watts. Additionally, the SC9863A boasts a Neural Processing Unit (NPU), which enhances artificial intelligence capabilities.

On the other hand, the MediaTek Dimensity 900 packs more powerful specifications. It is equipped with an architecture comprising two Cortex-A78 cores clocked at 2.4 GHz, and an additional six Cortex-A55 cores running at 2.0 GHz. Similar to the SC9863A, this processor also has a total of eight cores, ensuring smooth performance. With an Instruction Set of ARMv8.2-A, it guarantees software compatibility. The Dimensity 900 impresses with a lithography of 6 nm, significantly reducing power consumption and improving overall efficiency. It also boasts an impressive 10 billion transistors, indicating higher processing capabilities. Furthermore, its TDP is 10 watts, which may require more power but translates to potentially better performance. Like the SC9863A, the Dimensity 900 also comes with a Neural Processing Unit, emphasizing its AI capabilities.

In summary, while the Unisoc SC9863A offers decent specifications suitable for regular tasks, the MediaTek Dimensity 900 takes it a step further with more powerful cores, lower lithography, a larger number of transistors, and a higher TDP. This makes the Dimensity 900 a superior choice for users who require more processing power and efficiency. However, the specific needs of the user should be considered when choosing between these two processors.

CPU cores and architecture

Architecture 2x 2.4 GHz – Cortex-A78
6x 2.0 GHz – Cortex-A55
4x 1.6 GHz – Cortex-A55
4x 1.2 GHz – Cortex-A55
Number of cores 8 8
Instruction Set ARMv8.2-A ARMv8.2-A
Lithography 6 nm 28 nm
Number of transistors 10000 million
TDP 10 Watt 3 Watt
Neural Processing NPU NPU

Memory (RAM)

Max amount up to 16 GB up to 4 GB
Memory type LPDDR5 LPDDR4X
Memory frequency 3200 MHz 1866 MHz
Memory-bus 4x16 bit 2x16 bit

Storage

Storage specification UFS 3.1 eMMC 5.1

Graphics

GPU name Mali-G68 MP4 Imagination PowerVR GE8322
GPU Architecture Valhall Rogue
GPU frequency 900 MHz 550 MHz
Execution units 4 4
Shaders 64 128
DirectX 12 11
OpenCL API 2.0 3.0
OpenGL API ES 3.2 ES 3.2
Vulkan API 1.2 1.2

Camera, Video, Display

Max screen resolution 2520x1080@120Hz 2160x1080
Max camera resolution 1x 108MP, 2x 20MP 1x 16MP + 1x 5MP
Max Video Capture 4K@30fps FullHD@30fps
Video codec support H.264 (AVC)
H.265 (HEVC)
VP9
H.264 (AVC)
H.265 (HEVC)
VP8

Wireless

4G network Yes Yes
5G network Yes Yes
Peak Download Speed 2.77 Gbps 0.3 Gbps
Peak Upload Speed 1.2 Gbps 0.1 Gbps
Wi-Fi 6 (802.11ax) 4 (802.11n)
Bluetooth 5.2 4.2
Satellite navigation BeiDou
GPS
Galileo
GLONASS
NavIC
QZSS
BeiDou
GPS
GLONASS

Supplemental Information

Launch Date 2021 Quarter 1 2018 November
Partnumber MT6877 SC9863A
Vertical Segment Mobiles Mobiles
Positioning Mid-end Low-end

AnTuTu 10

Total Score
Dimensity 900
435318
SC9863A
114273

GeekBench 6 Single-Core

Score
Dimensity 900
704
SC9863A
145

GeekBench 6 Multi-Core

Score
Dimensity 900
2139
SC9863A
779