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InnoReviews

Qualcomm Snapdragon 678 vs Qualcomm Snapdragon 855

Q
21.3Inno Score
VS
WINNER
Qualcomm Snapdragon 855
31.4Inno Score
23.1CPU30.1
20GPU24.9
—Benchmarks42
—AIspec-based29
20Efficiencyspec-based32.1
1 spec wins — Qualcomm Snapdragon 6786 spec wins — Qualcomm Snapdragon 855

InnoReviews verdict

Qualcomm Snapdragon 855 wins this mobile chipset face-off, 31.4 to 21.3, pulling ahead mainly in CPU (+7) and GPU (+5). 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 Qualcomm Snapdragon 855

  • Stronger CPU score: 30 vs 23
  • Stronger GPU score: 25 vs 20
  • 463% higher 3DMark Wild Life Extreme: 800 vs 142
  • 129% higher Max bandwidth: 34.1 GB/s vs 14.9 GB/s
  • 65% higher Geekbench 6 (multi): 2,700 vs 1,640

General

General comparison: Qualcomm Snapdragon 678 versus Qualcomm Snapdragon 855
SpecQualcomm Snapdragon 678Qualcomm Snapdragon 855
Announced20202019
Process11 nm7 nm+36%
TDP (typical)—10 W
ArchitectureArmv8.2Armv8.2

CPU

CPU comparison: Qualcomm Snapdragon 678 versus Qualcomm Snapdragon 855
SpecQualcomm Snapdragon 678Qualcomm Snapdragon 855
Cores88
Core configuration2x2.2 GHz Kryo 460 Gold (Cortex-A76) + 6x1.7 GHz Kryo 460 Silver (Cortex-A55)1x2.84 GHz Cortex-A76 + 3x2.42 GHz Cortex-A76 + 4x1.79 GHz Cortex-A55
Max clock2.2 GHz2.84 GHz+29%

GPU

GPU comparison: Qualcomm Snapdragon 678 versus Qualcomm Snapdragon 855
SpecQualcomm Snapdragon 678Qualcomm Snapdragon 855
GPUQualcomm Adreno 612Qualcomm Adreno 640

AI

AI comparison: Qualcomm Snapdragon 678 versus Qualcomm Snapdragon 855
SpecQualcomm Snapdragon 678Qualcomm Snapdragon 855
NPUQualcomm Hexagon 685Qualcomm Hexagon 690
AI performance—7 TOPS

Memory

Memory comparison: Qualcomm Snapdragon 678 versus Qualcomm Snapdragon 855
SpecQualcomm Snapdragon 678Qualcomm Snapdragon 855
Memory typeLPDDR4/LPDDR4X-1866LPDDR4X-2133
Max bandwidth14.9 GB/s34.1 GB/s+129%

Connectivity

Connectivity comparison: Qualcomm Snapdragon 678 versus Qualcomm Snapdragon 855
SpecQualcomm Snapdragon 678Qualcomm Snapdragon 855
ModemQualcomm Snapdragon X12 LTESnapdragon X24 LTE
Max download0.6 Gbps—
Wi-FiWi-Fi 5Wi-Fi 5
Bluetooth5.05.0

Media

Media comparison: Qualcomm Snapdragon 678 versus Qualcomm Snapdragon 855
SpecQualcomm Snapdragon 678Qualcomm Snapdragon 855
Max displayFHD+ @ 60Hz4K @ 60Hz
Video capture4K@30fps4K@60fps

Benchmarks

Benchmarks comparison: Qualcomm Snapdragon 678 versus Qualcomm Snapdragon 855
SpecQualcomm Snapdragon 678Qualcomm Snapdragon 855
AnTuTu—600,000
Geekbench 6 (single)716Bottom 26%850+19%Bottom 36%
Geekbench 6 (multi)1,640Bottom 20%2,700+65%Bottom 47%
3DMark Wild Life Extreme142Bottom 6%800+463%Bottom 23%

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