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InnoReviews

MediaTek Dimensity 6400 vs Qualcomm Snapdragon 855

MediaTek Dimensity 6400
26.6Inno Score
VS
WINNER
Qualcomm Snapdragon 855
31.4Inno Score
26.3CPU30.1
21.3GPU24.9
—Benchmarks42
—AIspec-based29
36Efficiencyspec-based32.1
2 spec wins — MediaTek Dimensity 64004 spec wins — Qualcomm Snapdragon 855

InnoReviews verdict

Qualcomm Snapdragon 855 wins this mobile chipset face-off, 31.4 to 26.6, pulling ahead mainly in CPU (+4) and GPU (+4). MediaTek Dimensity 6400 still makes sense if its price or standout specs fit your needs better.

Which would you pick?

Key differences

Reasons to pick the MediaTek Dimensity 6400

  • 14% lower process: 6 nm vs 7 nm

Reasons to pick the Qualcomm Snapdragon 855

  • Stronger CPU score: 30 vs 26
  • Stronger GPU score: 25 vs 21
  • 125% higher 3DMark Wild Life Extreme: 800 vs 356
  • 32% higher Geekbench 6 (multi): 2,700 vs 2,041
  • 14% higher Max clock: 2.84 GHz vs 2.5 GHz

General

General comparison: MediaTek Dimensity 6400 versus Qualcomm Snapdragon 855
SpecMediaTek Dimensity 6400Qualcomm Snapdragon 855
Announced20252019
Process6 nm+14%7 nm
TDP (typical)—10 W
ArchitectureArmv8.2Armv8.2

CPU

CPU comparison: MediaTek Dimensity 6400 versus Qualcomm Snapdragon 855
SpecMediaTek Dimensity 6400Qualcomm Snapdragon 855
Cores88
Core configuration2x2.5 GHz Cortex-A76 + 6x2.0 GHz Cortex-A551x2.84 GHz Cortex-A76 + 3x2.42 GHz Cortex-A76 + 4x1.79 GHz Cortex-A55
Max clock2.5 GHz2.84 GHz+14%

GPU

GPU comparison: MediaTek Dimensity 6400 versus Qualcomm Snapdragon 855
SpecMediaTek Dimensity 6400Qualcomm Snapdragon 855
GPUArm Mali-G57 MC2Qualcomm Adreno 640

AI

AI comparison: MediaTek Dimensity 6400 versus Qualcomm Snapdragon 855
SpecMediaTek Dimensity 6400Qualcomm Snapdragon 855
NPU—Qualcomm Hexagon 690
AI performance—7 TOPS

Memory

Memory comparison: MediaTek Dimensity 6400 versus Qualcomm Snapdragon 855
SpecMediaTek Dimensity 6400Qualcomm Snapdragon 855
Memory typeLPDDR4X-4266LPDDR4X-2133
Max bandwidth—34.1 GB/s

Connectivity

Connectivity comparison: MediaTek Dimensity 6400 versus Qualcomm Snapdragon 855
SpecMediaTek Dimensity 6400Qualcomm Snapdragon 855
ModemIntegrated 5G modem (3GPP Release 16)Snapdragon X24 LTE
Max download3.3 Gbps—
Wi-FiWi-Fi 5Wi-Fi 5
Bluetooth5.25.0

Media

Media comparison: MediaTek Dimensity 6400 versus Qualcomm Snapdragon 855
SpecMediaTek Dimensity 6400Qualcomm Snapdragon 855
Max displayFHD+ @ 120Hz4K @ 60Hz
Video capture—4K@60fps

Benchmarks

Benchmarks comparison: MediaTek Dimensity 6400 versus Qualcomm Snapdragon 855
SpecMediaTek Dimensity 6400Qualcomm Snapdragon 855
AnTuTu—600,000
Geekbench 6 (single)792Bottom 34%850+7%Bottom 35%
Geekbench 6 (multi)2,041Bottom 32%2,700+32%Bottom 45%
3DMark Wild Life Extreme356Bottom 6%800+125%Bottom 15%

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