How do the scores compare?

MediaTek Dimensity 6400 scores 26.6/100 overall; Qualcomm Snapdragon 660 scores 26.1/100. MediaTek Dimensity 6400 wins 5 individual spec rows, Qualcomm Snapdragon 660 wins 0.

What are the main differences between the MediaTek Dimensity 6400 and the Qualcomm Snapdragon 660?

MediaTek Dimensity 6400 advantages: Stronger CPU score: 26 vs 21; 155% higher Geekbench 6 (single): 792 vs 310; 70% higher Geekbench 6 (multi): 2,041 vs 1,200; 57% lower process: 6 nm vs 14 nm; 14% higher Max clock: 2.5 GHz vs 2.2 GHz.

MediaTek Dimensity 6400 vs Qualcomm Snapdragon 660

WINNER

MediaTek

MediaTek Dimensity 6400

Qualcomm

Qualcomm Snapdragon 660

26.3CPU21.1

21.3GPU—

—Benchmarks20

36Efficiencyspec-based44.2

5 spec wins — MediaTek Dimensity 64000 spec wins — Qualcomm Snapdragon 660

InnoReviews verdict

This one is close to a dead heat: MediaTek Dimensity 6400 scores 26.6 against 26.1 for Qualcomm Snapdragon 660. Pick by the categories that matter to you — MediaTek Dimensity 6400 edges ahead in CPU, or by price.

Which would you pick?

Key differences

Reasons to pick the MediaTek Dimensity 6400

Stronger CPU score: 26 vs 21
155% higher Geekbench 6 (single): 792 vs 310
70% higher Geekbench 6 (multi): 2,041 vs 1,200
57% lower process: 6 nm vs 14 nm
14% higher Max clock: 2.5 GHz vs 2.2 GHz

Reasons to pick the Qualcomm Snapdragon 660

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

General

General comparison: MediaTek Dimensity 6400 versus Qualcomm Snapdragon 660
Spec	MediaTek Dimensity 6400	Qualcomm Snapdragon 660
Announced	2025	2017
Process	6 nm+57%	14 nm
TDP (typical)	—	5 W
Architecture	Armv8.2	Armv8

CPU

CPU comparison: MediaTek Dimensity 6400 versus Qualcomm Snapdragon 660
Spec	MediaTek Dimensity 6400	Qualcomm Snapdragon 660
Cores	8	8
Core configuration	2x2.5 GHz Cortex-A76 + 6x2.0 GHz Cortex-A55	4x2.2 GHz Kryo 260 Gold (Cortex-A73) + 4x1.8 GHz Kryo 260 Silver
Max clock	2.5 GHz+14%	2.2 GHz

GPU

GPU comparison: MediaTek Dimensity 6400 versus Qualcomm Snapdragon 660
Spec	MediaTek Dimensity 6400	Qualcomm Snapdragon 660
GPU	Arm Mali-G57 MC2	Qualcomm Adreno 512

AI

AI comparison: MediaTek Dimensity 6400 versus Qualcomm Snapdragon 660
Spec	MediaTek Dimensity 6400	Qualcomm Snapdragon 660
NPU	—	Qualcomm Hexagon 680

Memory

Memory comparison: MediaTek Dimensity 6400 versus Qualcomm Snapdragon 660
Spec	MediaTek Dimensity 6400	Qualcomm Snapdragon 660
Memory type	LPDDR4X-4266	LPDDR4-1866
Max bandwidth	—	29.9 GB/s

Connectivity

Connectivity comparison: MediaTek Dimensity 6400 versus Qualcomm Snapdragon 660
Spec	MediaTek Dimensity 6400	Qualcomm Snapdragon 660
Modem	Integrated 5G modem (3GPP Release 16)	Snapdragon X12 LTE
Max download	3.3 Gbps	—
Wi-Fi	Wi-Fi 5	Wi-Fi 5
Bluetooth	5.2	5.0

Media

Media comparison: MediaTek Dimensity 6400 versus Qualcomm Snapdragon 660
Spec	MediaTek Dimensity 6400	Qualcomm Snapdragon 660
Max display	FHD+ @ 120Hz	QHD @ 60Hz
Video capture	—	4K@30fps

Benchmarks

Benchmarks comparison: MediaTek Dimensity 6400 versus Qualcomm Snapdragon 660
Spec	MediaTek Dimensity 6400	Qualcomm Snapdragon 660
AnTuTu	—	220,000
Geekbench 6 (single)	792+155%Bottom 34%	310Bottom 7%
Geekbench 6 (multi)	2,041+70%Bottom 32%	1,200Bottom 8%
3DMark Wild Life Extreme	356Bottom 6%	—

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