How do the scores compare?

Qualcomm Snapdragon 660 scores 26.1/100 overall; Qualcomm Snapdragon 678 scores 21.3/100. Qualcomm Snapdragon 660 wins 1 individual spec rows, Qualcomm Snapdragon 678 wins 4.

What are the main differences between the Qualcomm Snapdragon 660 and the Qualcomm Snapdragon 678?

Qualcomm Snapdragon 660 advantages: 101% higher Max bandwidth: 29.9 GB/s vs 14.9 GB/s. Qualcomm Snapdragon 678 advantages: 131% higher Geekbench 6 (single): 716 vs 310; 37% higher Geekbench 6 (multi): 1,640 vs 1,200; 21% lower process: 11 nm vs 14 nm.

Qualcomm Snapdragon 660 vs Qualcomm Snapdragon 678

WINNER

Qualcomm

Qualcomm Snapdragon 660

Qualcomm

Qualcomm Snapdragon 678

21.1CPU23.1

—GPU20

20Benchmarks—

44.2Efficiencyspec-based20

1 spec wins — Qualcomm Snapdragon 6604 spec wins — Qualcomm Snapdragon 678

InnoReviews verdict

Qualcomm Snapdragon 660 wins this mobile chipset face-off, 26.1 to 21.3. 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 660

101% higher Max bandwidth: 29.9 GB/s vs 14.9 GB/s

Reasons to pick the Qualcomm Snapdragon 678

131% higher Geekbench 6 (single): 716 vs 310
37% higher Geekbench 6 (multi): 1,640 vs 1,200
21% lower process: 11 nm vs 14 nm

General

General comparison: Qualcomm Snapdragon 660 versus Qualcomm Snapdragon 678
Spec	Qualcomm Snapdragon 660	Qualcomm Snapdragon 678
Announced	2017	2020
Process	14 nm	11 nm+21%
TDP (typical)	5 W	—
Architecture	Armv8	Armv8.2

CPU

CPU comparison: Qualcomm Snapdragon 660 versus Qualcomm Snapdragon 678
Spec	Qualcomm Snapdragon 660	Qualcomm Snapdragon 678
Cores	8	8
Core configuration	4x2.2 GHz Kryo 260 Gold (Cortex-A73) + 4x1.8 GHz Kryo 260 Silver	2x2.2 GHz Kryo 460 Gold (Cortex-A76) + 6x1.7 GHz Kryo 460 Silver (Cortex-A55)
Max clock	2.2 GHz	2.2 GHz

GPU

GPU comparison: Qualcomm Snapdragon 660 versus Qualcomm Snapdragon 678
Spec	Qualcomm Snapdragon 660	Qualcomm Snapdragon 678
GPU	Qualcomm Adreno 512	Qualcomm Adreno 612

AI

AI comparison: Qualcomm Snapdragon 660 versus Qualcomm Snapdragon 678
Spec	Qualcomm Snapdragon 660	Qualcomm Snapdragon 678
NPU	Qualcomm Hexagon 680	Qualcomm Hexagon 685

Memory

Memory comparison: Qualcomm Snapdragon 660 versus Qualcomm Snapdragon 678
Spec	Qualcomm Snapdragon 660	Qualcomm Snapdragon 678
Memory type	LPDDR4-1866	LPDDR4/LPDDR4X-1866
Max bandwidth	29.9 GB/s+101%	14.9 GB/s

Connectivity

Connectivity comparison: Qualcomm Snapdragon 660 versus Qualcomm Snapdragon 678
Spec	Qualcomm Snapdragon 660	Qualcomm Snapdragon 678
Modem	Snapdragon X12 LTE	Qualcomm Snapdragon X12 LTE
Max download	—	0.6 Gbps
Wi-Fi	Wi-Fi 5	Wi-Fi 5
Bluetooth	5.0	5.0

Media

Media comparison: Qualcomm Snapdragon 660 versus Qualcomm Snapdragon 678
Spec	Qualcomm Snapdragon 660	Qualcomm Snapdragon 678
Max display	QHD @ 60Hz	FHD+ @ 60Hz
Video capture	4K@30fps	4K@30fps

Benchmarks

Benchmarks comparison: Qualcomm Snapdragon 660 versus Qualcomm Snapdragon 678
Spec	Qualcomm Snapdragon 660	Qualcomm Snapdragon 678
AnTuTu	220,000	—
Geekbench 6 (single)	310Bottom 6%	716+131%Bottom 26%
Geekbench 6 (multi)	1,200Bottom 8%	1,640+37%Bottom 20%
3DMark Wild Life Extreme	—	142Bottom 6%

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