Mediatek Dimensity 920 vs Mediatek Helio G99

We’ve compiled a side-by-side comparison of the newly released Dimensity 920 versus Helio G99 SoCs, brought to you by Mediatek and Mediatek respectively. This comparison examines the pros and cons of these 8-core processors, with data from Geekbench, Antutu, and 3DMark benchmarks, alongside their detailed technical specifications.

Review

General comparison of performance, power consumption, and other indicators

CPU Performance

Evaluation of Single-Core and Multi-Core Processor Performance

Dimensity 920

Helio G99

Gaming Performance

Gaming and OpenCL/Vulkan Performance of the Graphics Processing Unit (GPU)

Dimensity 920

Helio G99

Battery life

Energy Efficiency in Battery Usage

Dimensity 920

Helio G99

Tech Insist Score

Overall Performance Rating of the Chip

Dimensity 920

Helio G99

Key Differences

Main differences and advantages of each chip

Pros of Dimensity 920

Dimensity 920 has 13.64% higher CPU clock speed than Helio G99 (2500 vs 2200 MHz).
Dimensity 920 has -5.00% higher GPU clock speed than Helio G99 (950 vs 1000 MHz).
Dimensity 920 has 30.99 % better AnTuTu 9 score than Helio G99 (498 K vs 380 K).

Pros of Helio G99

Helio G99 has 33.31 % higher memory frequency than Dimensity 920 ( 4266 vs 3200 MHz).
Helio G99 has latest instruction set, hence better than Dimensity 920 .

Benchmarks

Evaluating performance through competitive testing in leading benchmarks.

SoC:

Dimensity 920

Helio G99

AnTuTu 10

The AnTuTu Benchmark evaluates CPU, GPU, RAM, and I/O capabilities across various scenarios.

Dimensity 920 +6%

498317

Helio G99

380423

CPU	139277	103357
GPU	128453	86376
Memory	96272	89007
UX	134315	101683
Total score	498317	380423

GeekBench 6

The GeekBench test shows raw single-threaded and multithreaded CPU performance

Single-Core Score

Dimensity 920 +8%

792

Helio G99

543

Multi-Core Score

Dimensity 920 +11%

2592

Helio G99

1740

3DMark

A cross-platform benchmark that assesses graphics performance in Vulkan (Metal)

3DMark Wild Life Performance

Dimensity 920 +3%

2003

Helio G99

1362

Stability	99%	99%
Graphics test	12 FPS	8 FPS
Score	2003	1362

Specifications

Full list of technical specifications of Dimensity 920 and Dimensity 9300

CPU

Architecture	2x 2.5 GHz – Cortex-A78 6x 2 GHz – Cortex-A55	2x 2.2 GHz – Cortex-A76 6x 2 GHz – Cortex-A55
Cores	8	8
Base Frequency	2000MHz	2000MHz
Turbo Frequency	2500MHz	2200MHz
Instruction set	ARMv8-A	ARMv8.2-A
L2 cache	-	-
L2 cache	-	-
L3 cache	2 MB	-
Process	6 nanometers	6 nanometers
Transistor count	12 billion	-
TDP (Sustained Power Limit)	10 W	-

Graphics

GPU name	Mali-G68 MC4	Mali-G57 MC2
Architecture	Valhall 2	Valhall
GPU frequency	950 MHz	1000 MHz
Pipelines	4	2
Shading units	64	32
Total shaders	128	64
FLOPS	684 Gigaflops	-
Vulkan version	1.1	1.1
OpenCL version	2.0	2.0
DirectX version	12	12

AI Accelerator

Neural processor (NPU)

MediaTek APU 3.0

Yes

Memory

Memory type	LPDDR5	LPDDR4X
Memory frequency	3200 MHz	4266 MHz
Bus	-	-
Max bandwidth	-	17.1 Gbit/s
Max size	16 GB	10 GB

Multimedia (ISP)

Storage type	UFS 2.1, UFS 2.2, UFS 3.1	UFS 2.2
Max display resolution	2520 x 1080	2520 x 1080
Max camera resolution	1x 108MP, 2x 20MP	1x 108MP, 2x 16MP
Video capture	4K at 30FPS	2K at 30FPS
Video playback	4K at 30FPS	2K at 30FPS
Video codecs	H.264, H.265, AV1, VP9	H.264, H.265, VP9
Audio codecs	AIFF, CAF, MP3, MP4, WAV	AAC, AIFF, CAF, MP3, MP4, WAV

Connectivity

Modem	-	-
4G support	LTE Cat. 18	LTE Cat. 13
5G support	Yes	No
Download speed 5G	Up to 2770 Mbps	-
Download speed 4G	Up to 1200 Mbps	-
Upload speed 5G	Up to 2500 Mbps	-
Upload speed 4G	Up to 800 Mbps	-
Wi-Fi	6	5
Bluetooth	5.2	5.2
Navigation	GPS, GLONASS, Beidou, Galileo, QZSS, NAVIC	GPS, GLONASS, Beidou, Galileo, QZSS, NAVIC

Info

Announced	August 2021	May 2022
Class	Mid-range	Mid range
Model number	MT6877T	-
Official page	Dimensity 920 official site	Helio G99 official site