Home / SoC Comparison / MediaTek Dimensity 8550 or MediaTek Helio G99: What's better?

MediaTek Dimensity 8550

vs

MediaTek Helio G99

SoC Comparison Result

Below are the results of a comparison of MediaTek Dimensity 8550 and MediaTek Helio G99 mobile processors based on key performance characteristics, as well as power consumption and much more.

Advantages

MediaTek Dimensity 8550

Newer Launch Date: May 2026 (May 2026 vs May 2022)

MediaTek Helio G99

Higher Frequency: 2200 MHz (Up to 3.4GHz vs 2200 MHz)

Basic

MediaTek

Label Name

MediaTek

May 2026

Launch Date

May 2022

SmartPhone Mid range

Platform

SmartPhone Mid range

5MB

System Level Cache (SLC)

Manufacturing

TSMC

MediaTek Dimensity 8550

Model Name

MT6789

1x Arm Cortex-A725 @ 3.4GHz + 3x Arm Cortex-A725 @ 3.2GHz + 4x Arm Cortex-A725 @ 2.2GHz

Architecture

2x 2.2 GHz – Cortex-A766x 2 GHz – Cortex-A55

Octa (8)

Cores

Technology

6 nm

Up to 3.4GHz

Frequency

2200 MHz

GPU Specifications

Arm Mali-G720 MC8

GPU name

Mali-G57 MP2

GPU frequency

1100 MHz

FLOPS

0.2816 TFLOPS

Shading units

Execution units

OpenCL version

2.0

Vulkan version

1.3

WQHD+

Max display resolution

2520 x 1080

DirectX version

Connectivity

5G/4G Dual SIM Dual Active, SA & NSA modes; SA Option2, NSA Option3 / 3a / 3x, NR FR1 TDD+FDD, DSS, 256QAM VoNR / EPS fallback, Smart Network Suite 3.0, Subway Mode 2.0, DSDA 2.0

Cellular specific functions

5G-Adv, 3GPP-R16, Sub-6GHz (FR1), 2G-5G multi-mode, 5G-CA, 4G-CA, 5G FDD / TDD, 4G FDD / TDD, TD-SCDMA, EDGE, GSM

Cellular technologies

FR1 LB DL 4x4 MIMO, 3CC up to 220MHz

Downlink functions

Up to 5.17Gbps

Download speed

Up to 650 Mbps

R16 UL Enhancement, MediaTek UltraSave 3.0+

Modem power saving technologies

256QAM FR1 UL 2CC, FDD UL TxD

Uplink functions

2T2R

Wi-Fi antenna

4G FDD / TDD, 4G-CA

4G support

LTE Cat. 13

5G-Adv, Sub-6GHz (FR1), SA / NSA, 5G-CA

5G support

Bluetooth 5.4

Bluetooth

5.2

Wi-Fi 6E (a/b/g/n/ac/ax)

Wi-Fi

GPS L1CA+L5+L1C, BeiDou B1I+B1C+B2a, Glonass L1OF, Galileo E1+E5a, QZSS L1CA+L5, NavIC L5

Navigation

GPS, GLONASS, Beidou, Galileo, QZSS, NAVIC

Memory Specifications

LPDDR5X

Memory type

LPDDR4X

9600Mbps

Memory frequency

2133 MHz

4ch

Memory Bus

2x 16 Bit

Miscellaneous

1MB + 3x 512KB + 4x 256KB

L2 Cache

6MB

L3 cache

Audio codecs

AAC, AIFF, CAF, MP3, MP4, WAV

320MP; 3x 32MP @ 30FPS

Max camera resolution

1x 108MP, 2x 16MP

UFS 4 + MCQ

Storage type

UFS 2.2

4K60 (3840 x 2160)

Video capture

2K at 30FPS

Encode: H.264 (AVC), H.265 (HEVC); Decode: H.264 (AVC), H.265 (HEVC), VP-9, AV1

Video codecs

H.264, H.265, VP9

4K @ 60FPS

Video playback

2K at 30FPS

Up to 144Hz

Display refresh rate

Dual screen support (dual DSI)

Dual display support

TDP

5 W

Instruction set

ARMv8.2-A

LLM Booster, Google Gemini Nano V3 support, Diffusion Transformer support, NeuroPilot hardware compression, mixed-precision INT4 quantization, speculative decoding support

AI features

MediaTek NPU 880

Neural processor (NPU)

Yes