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MediaTek Dimensity 6400
An affordable 5G chip on TSMC's 6nm process, with two Cortex-A76 cores at up to 2.5 GHz, six Cortex-A55 cores and a Mali-G57 MC2 GPU. It is used in budget phones such as the realme P3x 5G and Moto G77 Power, and adds a Release 16 modem with up to 3.3 Gbps downlink and 108MP camera support.
Pros
- Built on TSMC's 6nm process; MediaTek claims up to 19% lower power use when gaming than competing chipsets
- Release 16 5G modem with 2CC carrier aggregation and up to 3.3 Gbps downlink
- Supports 108MP cameras and 10-bit AMOLED displays up to 2520 x 1080 at 120Hz
- Low heat build-up and only minimal throttling under sustained load in review testing
Cons
- Modest CPU performance, with Geekbench 6 averaging about 790 single-core and 2,040 multi-core in review testing
- LPDDR4X memory, UFS 2.2 storage and Wi-Fi 5 only
- The two-core Mali-G57 GPU averages about 356 points in 3DMark Wild Life Extreme in review testing
Below average
Computed from specs & benchmarks via our public methodology.
Full specifications
Everything we track for the MediaTek Dimensity 6400
General
- Announced
- 2025
- Process
- 6 nm
- Architecture
- Armv8.2
CPU
- Cores
- 8
- Core configuration
- 2x2.5 GHz Cortex-A76 + 6x2.0 GHz Cortex-A55
- Max clock
- 2.5 GHz
GPU
- GPU
- Arm Mali-G57 MC2
Memory
- Memory type
- LPDDR4X-4266
Connectivity
- Modem
- Integrated 5G modem (3GPP Release 16)
- Max download
- 3.3 Gbps
- Wi-Fi
- Wi-Fi 5
- Bluetooth
- 5.2
Media
- Max display
- FHD+ @ 120Hz
Benchmarks
- Geekbench 6 (single)
- 792Bottom 34%
- Geekbench 6 (multi)
- 2,041Bottom 32%
- 3DMark Wild Life Extreme
- 356Bottom 6%
Devices with the MediaTek Dimensity 6400
6 devices in our catalog use this chip
Quick answers
Is the MediaTek Dimensity 6400 good in 2026?
The MediaTek Dimensity 6400 earns an Inno Score of 26.6/100 (“Below average”) based on its specs and benchmark results. An affordable 5G chip on TSMC's 6nm process, with two Cortex-A76 cores at up to 2.5 GHz, six Cortex-A55 cores and a Mali-G57 MC2 GPU. It is used in budget phones such as the realme P3x 5G and Moto G77 Power, and adds a Release 16 modem with up to 3.3 Gbps downlink and 108MP camera support.
Which devices use the MediaTek Dimensity 6400?
6 devices in our catalog use the MediaTek Dimensity 6400: realme 15T 5G, Motorola Moto Pad 70, realme 16 5G, Motorola Moto G77 Power, realme NARZO 80x 5G, and more.
What are the key specs of the MediaTek Dimensity 6400?
Cores: 8 · Process: 6 nm · GPU: Arm Mali-G57 MC2
What are the closest alternatives to the MediaTek Dimensity 6400?
Its closest rivals on InnoReviews are Qualcomm Snapdragon 835, Qualcomm Snapdragon 675, MediaTek Helio G35 — open the comparison pages for a spec-by-spec breakdown.
