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InnoReviews

Qualcomm Snapdragon 678 vs Samsung Exynos 990

Q
21.3Inno Score
VS
WINNER
Samsung Exynos 990
30.8Inno Score
23.1CPU29.8
20GPU25.7
—Benchmarks37.4
20Efficiencyspec-based32.1
0 spec wins — Qualcomm Snapdragon 6786 spec wins — Samsung Exynos 990

InnoReviews verdict

Samsung Exynos 990 wins this mobile chipset face-off, 30.8 to 21.3, pulling ahead mainly in CPU (+7) and GPU (+6). 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 Samsung Exynos 990

  • Stronger CPU score: 30 vs 23
  • Stronger GPU score: 26 vs 20
  • 534% higher 3DMark Wild Life Extreme: 900 vs 142
  • 195% higher Max bandwidth: 44 GB/s vs 14.9 GB/s
  • 62% higher Geekbench 6 (multi): 2,650 vs 1,640

General

General comparison: Qualcomm Snapdragon 678 versus Samsung Exynos 990
SpecQualcomm Snapdragon 678Samsung Exynos 990
Announced20202020
Process11 nm7 nm+36%
TDP (typical)—10 W
ArchitectureArmv8.2Armv8.2

CPU

CPU comparison: Qualcomm Snapdragon 678 versus Samsung Exynos 990
SpecQualcomm Snapdragon 678Samsung Exynos 990
Cores88
Core configuration2x2.2 GHz Kryo 460 Gold (Cortex-A76) + 6x1.7 GHz Kryo 460 Silver (Cortex-A55)2x2.73 GHz Exynos M5 + 2x2.5 GHz Cortex-A76 + 4x2.0 GHz Cortex-A55
Max clock2.2 GHz2.73 GHz+24%

GPU

GPU comparison: Qualcomm Snapdragon 678 versus Samsung Exynos 990
SpecQualcomm Snapdragon 678Samsung Exynos 990
GPUQualcomm Adreno 612Arm Mali-G77 MP11

AI

AI comparison: Qualcomm Snapdragon 678 versus Samsung Exynos 990
SpecQualcomm Snapdragon 678Samsung Exynos 990
NPUQualcomm Hexagon 685—

Memory

Memory comparison: Qualcomm Snapdragon 678 versus Samsung Exynos 990
SpecQualcomm Snapdragon 678Samsung Exynos 990
Memory typeLPDDR4/LPDDR4X-1866LPDDR5-2750
Max bandwidth14.9 GB/s44 GB/s+195%

Connectivity

Connectivity comparison: Qualcomm Snapdragon 678 versus Samsung Exynos 990
SpecQualcomm Snapdragon 678Samsung Exynos 990
ModemQualcomm Snapdragon X12 LTEExynos 5123 5G (external)
Max download0.6 Gbps—
Wi-FiWi-Fi 5Wi-Fi 6
Bluetooth5.05.0

Media

Media comparison: Qualcomm Snapdragon 678 versus Samsung Exynos 990
SpecQualcomm Snapdragon 678Samsung Exynos 990
Max displayFHD+ @ 60HzWQHD+ @ 120Hz
Video capture4K@30fps8K@30fps

Benchmarks

Benchmarks comparison: Qualcomm Snapdragon 678 versus Samsung Exynos 990
SpecQualcomm Snapdragon 678Samsung Exynos 990
AnTuTu—500,000
Geekbench 6 (single)716Bottom 26%900+26%Bottom 38%
Geekbench 6 (multi)1,640Bottom 20%2,650+62%Bottom 46%
3DMark Wild Life Extreme142Bottom 6%900+534%Bottom 32%

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