Unisoc SC9863A vs MediaTek Dimensity 8400

VS

Unisoc SC9863A

MediaTek Dimensity 8400

We compared two versions of phone SoCs: 8 cores 1600MHz Unisoc SC9863A vs. 8 cores 3250MHz MediaTek Dimensity 8400 . You will find out which processor performs better in benchmark tests, key specifications, power consumption, and more.

Main Differences

MediaTek Dimensity 8400 Advantages

Higher Frequency (3250MHz vs 1600MHz)

More modern manufacturing process (4nm vs 28nm)

Released 6 years and 1 months late

Score

Benchmark

Geekbench 6 Single Core

Unisoc SC9863A

165

MediaTek Dimensity 8400 +900%

1651

Geekbench 6 Multi Core

Unisoc SC9863A

730

MediaTek Dimensity 8400 +836%

6833

Unisoc SC9863A

VS

MediaTek Dimensity 8400

CPU

4x 1.6 GHz – Cortex-A55
4x 1.2 GHz – Cortex-A55

Architecture

1x 3.25 GHz – Cortex-A725
3x 3.0 GHz – Cortex-A725
4x 2.1 GHz – Cortex-A725

1600 MHz

Frequency

3250 MHz

8

Cores

8

ARMv8.2-A

Instruction set

ARMv9-A

-

L2 cache

3.5 MB

-

L3 cache

6 MB

28 nm

Process

4 nm

3 W

TDP

-

Manufacturing

TSMC

Graphics

PowerVR GE8322

GPU name

Mali-G720 MC7

550 MHz

GPU frequency

1400 MHz

8

Execution units

6

8

Shading units

-

4

Max size

24

0.0704 TFLOPS

FLOPS

-

1.1

Vulkan version

1.3

1.2

OpenCL version

2.0

11

DirectX version

-

Memory

LPDDR4X

Memory type

LPDDR5X

1800 MHz

Memory frequency

8533 MHz

2x 16 Bit

Bus

4x 16 Bit

-

Max bandwidth

136 Gbit/s

AI

-

NPU

MediaTek NPU 880

Multimedia (ISP)

No

Neural processor (NPU)

MediaTek NPU 880

eMMC 5.1

Storage type

UFS 4.0

2160 x 1080

Max display resolution

2960 x 1440

1x 16MP, 2x 5MP

Max camera resolution

1x 320MP

1K at 30FPS

Video capture

4K at 60FPS

1080p at 30FPS

Video playback

4K at 60FPS

H.264, H.265

Video codecs

H.264, H.265, AV1, VP9

AAC, AIFF, CAF, MP3, MP4, WAV

Audio codecs

AAC LC, MP3, HE-AACv1, HE-AACv2, FLAC

Connectivity

LTE Cat. 7

4G support

-

No

5G support

Yes

Up to 300 Mbps

Download speed

Up to 7900 Mbps

Up to 150 Mbps

Upload speed

Up to 4200 Mbps

4

Wi-Fi

6

4.2

Bluetooth

5.4

GPS, GLONASS, Beidou, Galileo

Navigation

GPS, GLONASS, Beidou, Galileo, QZSS, NAVIC

Info

Nov 2018

Announced

Dec 2024

Low end

Class

Flagship

-

Official page

MediaTek Dimensity 8400

Related SoC Comparison

1

Unisoc SC9863A vs MediaTek MT6750

2

Unisoc SC9863A vs Qualcomm Snapdragon 662

3

Unisoc SC9863A vs MediaTek Dimensity 1000 Plus

4

Unisoc SC9863A vs Samsung Exynos 9609

5

Unisoc SC9863A vs Apple A18

6

Unisoc SC9863A vs MediaTek Helio P95

7

Unisoc SC9863A vs Google Tensor G4

8

Unisoc SC9863A vs MediaTek Helio G25

9

Unisoc SC9863A vs HiSilicon Kirin 955

10

Unisoc SC9863A vs Qualcomm Snapdragon 8 Gen 2