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InnoReviews

Qualcomm Snapdragon 678 vs Unisoc Tiger T820

Q
21.3Inno Score
VS
WINNER
Unisoc Tiger T820
35.6Inno Score
23.1CPU27
20GPU—
—Benchmarks35.9
20Efficiencyspec-based52.5
1 spec wins — Qualcomm Snapdragon 6785 spec wins — Unisoc Tiger T820

InnoReviews verdict

Unisoc Tiger T820 wins this mobile chipset face-off, 35.6 to 21.3, pulling ahead mainly in CPU (+4). Qualcomm Snapdragon 678 still makes sense if its price or standout specs fit your needs better.

Which would you pick?

Key differences

Reasons to pick the Qualcomm Snapdragon 678

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

Reasons to pick the Unisoc Tiger T820

  • Stronger CPU score: 27 vs 23
  • 45% lower process: 6 nm vs 11 nm
  • 37% higher Geekbench 6 (multi): 2,250 vs 1,640
  • 23% higher Max clock: 2.7 GHz vs 2.2 GHz
  • 15% higher Max bandwidth: 17.1 GB/s vs 14.9 GB/s

General

General comparison: Qualcomm Snapdragon 678 versus Unisoc Tiger T820
SpecQualcomm Snapdragon 678Unisoc Tiger T820
Announced20202023
Process11 nm6 nm+45%
TDP (typical)—6 W
ArchitectureArmv8.2Armv8.2

CPU

CPU comparison: Qualcomm Snapdragon 678 versus Unisoc Tiger T820
SpecQualcomm Snapdragon 678Unisoc Tiger T820
Cores88
Core configuration2x2.2 GHz Kryo 460 Gold (Cortex-A76) + 6x1.7 GHz Kryo 460 Silver (Cortex-A55)1x2.7 GHz Cortex-A76 + 3x2.3 GHz Cortex-A76 + 4x2.1 GHz Cortex-A55
Max clock2.2 GHz2.7 GHz+23%

GPU

GPU comparison: Qualcomm Snapdragon 678 versus Unisoc Tiger T820
SpecQualcomm Snapdragon 678Unisoc Tiger T820
GPUQualcomm Adreno 612Arm Mali-G57 MP4

AI

AI comparison: Qualcomm Snapdragon 678 versus Unisoc Tiger T820
SpecQualcomm Snapdragon 678Unisoc Tiger T820
NPUQualcomm Hexagon 685—

Memory

Memory comparison: Qualcomm Snapdragon 678 versus Unisoc Tiger T820
SpecQualcomm Snapdragon 678Unisoc Tiger T820
Memory typeLPDDR4/LPDDR4X-1866LPDDR4X-2133
Max bandwidth14.9 GB/s17.1 GB/s+15%

Connectivity

Connectivity comparison: Qualcomm Snapdragon 678 versus Unisoc Tiger T820
SpecQualcomm Snapdragon 678Unisoc Tiger T820
ModemQualcomm Snapdragon X12 LTEIntegrated 5G (sub-6)
Max download0.6 Gbps—
Wi-FiWi-Fi 5Wi-Fi 6
Bluetooth5.05.2

Media

Media comparison: Qualcomm Snapdragon 678 versus Unisoc Tiger T820
SpecQualcomm Snapdragon 678Unisoc Tiger T820
Max displayFHD+ @ 60HzFHD+ @ 120Hz
Video capture4K@30fps4K@30fps

Benchmarks

Benchmarks comparison: Qualcomm Snapdragon 678 versus Unisoc Tiger T820
SpecQualcomm Snapdragon 678Unisoc Tiger T820
AnTuTu—470,000
Geekbench 6 (single)716+4%Bottom 26%690Bottom 23%
Geekbench 6 (multi)1,640Bottom 20%2,250+37%Bottom 40%
3DMark Wild Life Extreme142Bottom 6%—

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