MediaTek Dimensity 6400 vs MediaTek Helio G91

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Which processor is better? We compared MediaTek Dimensity 6400 with MediaTek Helio G91. Compare, analyze the specifications. Find out their scores in popular benchmarks (GeekBench 6 Single-Core, GeekBench 6 Multi-Core) and who is the winner?

GeekBench 6 Single-Core

Score

Dimensity 6400

796

Helio G91

428

GeekBench 6 Multi-Core

Score

Dimensity 6400

2140

Helio G91

1385

CPU cores and architecture

Architecture	6x 2 GHz – Cortex-A55	6x 1.8 GHz – Cortex-A55
Number of cores	6	6
Instruction Set	ARMv8.2-A	ARMv8.2-A
Lithography	6 nm	12 nm
TDP		5 Watt
Neural Processing	NPU	MediaTek APU

Memory (RAM)

Max amount	up to 12 GB	up to 8 GB
Memory type	LPDDR4X	LPDDR4X
Memory frequency	2133 MHz	1800 MHz
Memory-bus	2x16 bit	2x16 bit

Graphics

GPU name	Mali-G57 MP2	Mali-G52 MP2
GPU Architecture	Mali Valhall	Mali Bifrost
GPU frequency		1000 MHz
Execution units	2	2
Shaders	64	48
DirectX	12
OpenCL API	2.0	2.0
Vulkan API	1.3	1.3

Camera, Video, Display

Max screen resolution	2520x1080	2520x1080
Max camera resolution	1x 108MP, 2x 16MP	1x 108MP, 2x 16MP
Max Video Capture	2K@30fps	2K@30fps
Video codec support	H.264 (AVC) H.265 (HEVC) VP9	H.264 (AVC) H.265 (HEVC) VP9

Wireless

4G network	Yes	Yes
5G network	Yes	Yes
Peak Download Speed	3.3 Gbps	0.3 Gbps
Peak Upload Speed		0.1 Gbps
Wi-Fi	5 (802.11ac)	5 (802.11ac)
Bluetooth	5.4	5.4
Satellite navigation	BeiDou GPS Galileo GLONASS NavIC QZSS	BeiDou GPS Galileo GLONASS