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InnoReviews

MediaTek Dimensity 6400 vs Unisoc SC9863A

WINNER
MediaTek Dimensity 6400
26.6Inno Score
VS
Unisoc SC9863A
25.6Inno Score
26.3CPU20
21.3GPU—
—Benchmarks20
36Efficiencyspec-based44.2
5 spec wins — MediaTek Dimensity 64000 spec wins — Unisoc SC9863A

InnoReviews verdict

This one is close to a dead heat: MediaTek Dimensity 6400 scores 26.6 against 25.6 for Unisoc SC9863A. Pick by the categories that matter to you — MediaTek Dimensity 6400 edges ahead in CPU, or by price.

Which would you pick?

Key differences

Reasons to pick the MediaTek Dimensity 6400

  • Stronger CPU score: 26 vs 20
  • 560% higher Geekbench 6 (single): 792 vs 120
  • 375% higher Geekbench 6 (multi): 2,041 vs 430
  • 79% lower process: 6 nm vs 28 nm
  • 56% higher Max clock: 2.5 GHz vs 1.6 GHz

Reasons to pick the Unisoc SC9863A

No decisive spec advantages — this side competes on price and preference.

General

General comparison: MediaTek Dimensity 6400 versus Unisoc SC9863A
SpecMediaTek Dimensity 6400Unisoc SC9863A
Announced20252019
Process6 nm+79%28 nm
TDP (typical)—5 W
ArchitectureArmv8.2Armv8.2

CPU

CPU comparison: MediaTek Dimensity 6400 versus Unisoc SC9863A
SpecMediaTek Dimensity 6400Unisoc SC9863A
Cores88
Core configuration2x2.5 GHz Cortex-A76 + 6x2.0 GHz Cortex-A554x1.6 GHz Cortex-A55 + 4x1.2 GHz Cortex-A55
Max clock2.5 GHz+56%1.6 GHz

GPU

GPU comparison: MediaTek Dimensity 6400 versus Unisoc SC9863A
SpecMediaTek Dimensity 6400Unisoc SC9863A
GPUArm Mali-G57 MC2IMG PowerVR GE8322

Memory

Memory comparison: MediaTek Dimensity 6400 versus Unisoc SC9863A
SpecMediaTek Dimensity 6400Unisoc SC9863A
Memory typeLPDDR4X-4266LPDDR3-933
Max bandwidth—7.5 GB/s

Connectivity

Connectivity comparison: MediaTek Dimensity 6400 versus Unisoc SC9863A
SpecMediaTek Dimensity 6400Unisoc SC9863A
ModemIntegrated 5G modem (3GPP Release 16)Integrated LTE Cat-4
Max download3.3 Gbps—
Wi-FiWi-Fi 5Wi-Fi 4
Bluetooth5.24.2

Media

Media comparison: MediaTek Dimensity 6400 versus Unisoc SC9863A
SpecMediaTek Dimensity 6400Unisoc SC9863A
Max displayFHD+ @ 120HzHD+ @ 60Hz
Video capture—1080p@30fps

Benchmarks

Benchmarks comparison: MediaTek Dimensity 6400 versus Unisoc SC9863A
SpecMediaTek Dimensity 6400Unisoc SC9863A
AnTuTu—100,000
Geekbench 6 (single)792+560%Bottom 34%120Bottom 1%
Geekbench 6 (multi)2,041+375%Bottom 32%430Bottom 1%
3DMark Wild Life Extreme356Bottom 6%—

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