MediaTek
CPUSmartphoneReleased 2022

MediaTek Helio G99

8C/8T · 2.2 GHz

The MediaTek Helio G99 is a gaming smartphone chip announced on May 23, 2022, and the first Helio G chip built on TSMC's 6 nm-class N6 process, improving power efficiency over the 12 nm Helio G96. It pairs two Arm Cortex-A76 cores at 2.2 GHz with six Cortex-A55 cores at 2.0 GHz and a Mali-G57 MC2 GPU, and supports 120 Hz Full HD+ displays, 108 MP main cameras, UFS 2.2 storage and a dual 4G VoLTE LTE Cat.13 modem with Wi-Fi 5 and Bluetooth 5.2. Tablet versions are sold as the MT8781, and it became a common choice for budget phones and Android tablets.

General

Manufacturer
MediaTek
Model
MediaTek Helio G99
Segment
Smartphone
Generation
Helio G
Codename
MT6789
Architecture
ARM64
Microarchitecture
2× Cortex-A76 @2.2 GHz + 6× Cortex-A55 @2.0 GHz
Release date
2022

Cores & clocks

Cores / threads
8 cores / 8 threadsP2+E6
Base clock
—
Boost clock
2.20 GHz
TDP (design W)
—
Unlocked
✕ No
L2 cache
—
L3 cache
—
Technology (nm)
6 nm
TSMC N6

Platform

Socket
—
2-CPU (multi-socket)
✕ No
Integrated GPU
Mali-G57 MC2
Clock: 1,000 MHz
Memory type
LPDDR4X
Memory size
—
ECC memory
—
PCIe
—

Instructions & AI

Instruction extensions
Armv8.2-A
NPU
None

OS support

Notes
A smartphone SoC for Android devices. Windows, macOS, ChromeOS and desktop Linux distributions are not supported.
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