MediaTek Dimensity 6400 vs MediaTek Helio G99

Compared 2 processors: MediaTek Dimensity 6400, vs MediaTek Helio G99. Below are specs, tests, pros and cons for each device

Review

Key Specs MediaTek Dimensity 6400 and MediaTek Helio G99
Processor Performance
Single-Core Benchmark Score
Gaming Performance
Graphics and OpenCL/Vulkan tests
Energy Efficiency
Chip Power Efficiency
NanoReview Score
Overall score by NanoReview

Tests & specs

Specs & test comparison

Benchmarks

CPU performance comparison across tasks
AnTuTu 10
AnTuTu 10
MediaTek Dimensity 6400
446033
MediaTek Helio G99
422461
CPU143783131367
GPU7498371737
Memory103023100728
UX124244118629
NanoReview Score446033422461
3DMark Wild Life
3DMark Wild Life
MediaTek Dimensity 6400
n/a
MediaTek Helio G99
1243
Graphics Testn/a7 fps
GeekBench v6
Geekbench 6 (Single-Core)
MediaTek Dimensity 6400
803
MediaTek Helio G99
729
Geekbench 6 (Multi-Core)
MediaTek Dimensity 6400
2159
MediaTek Helio G99
1979
File Compressionn/a99.7 MB/s
HTML5 Browsern/a50.6 pages/s
PDF Renderingn/a70.6 MP/sec
Background Blurn/a6.15 frames/s
Photo Processingn/a18.8 frames/s
Image Detectionn/a40.1 frames/s
HDRn/a54.6 MP/sec
Ray Tracingn/a2.79 MP/sec

Games

Graphics in popular 3D games
PUBGPUBG Mobile n/a 86 FPS (Low)
CODCall of Duty: Mobile n/a 37 FPS (Ultra)
Shadow LegendsShadowgun Legends n/a 91 FPS (Low)
World of Tanks BlitzWorld of Tanks Blitz n/a 66 FPS (Ultra)
Mobile Legends: Bang BangGenshin Impact n/a 55 FPS (Ultra)
Genshin ImpactMobile Legends: Bang Bang n/a 48 FPS (Ultra)
Device n/a Cubot X70 (1080x2408)

Processor

Architecture - 2x 2.5 GHz – Cortex-A76
- 6x 2 GHz – Cortex-A55
- 2/2.2 (Cortex-A76)
- 6/2 (Cortex-A55)
Process TSMC TSMC
Cores count 8 8
Frequency 2500 2200
Instruction set ARMv8.2-A ARMv8.2-A
L1 cache 512 KB n/a
L2 cache 1 MB n/a
L3 Cache 2 MB n/a
Process tech. 6 nm 6 nm
Power (TDP) n/a 5 W

Graphics

GPU specifications including architecture, frequency, compute units, and support for graphics APIs (Vulkan, OpenCL, DirectX).
GPU Model Mali-G57 MP2 Mali-G57 MP2
Architecture Valhall 1st gen Valhall 1st gen
GPU Frequency n/a 1000 MHz
Execution Units 2 2
Shader Units 32 32
Total shader 64 64
FLOPS n/a 128 GFLOPS
Vulkan 1.3 1.3
OpenCL 2.0 2.0
DirectX 12 12

AI Acceleration

Specifications of the neural processor (NPU / DSP) responsible for machine learning and AI acceleration tasks.
Artificial Intelligence Yes Yes

Memory

RAM
Memory Type LPDDR4X LPDDR4X
Memory Frequency 2133 MHz 2133 MHz
Bus 2x16 bit 2x16 bit
Bandwidth 17.07 Gbit/s 17.1 Gbit/s
Max RAM 12 GB 12 GB

Multimedia

GPU, ISP capabilities, display and camera support, as well as audio and video codec compatibility.
Memory Type UFS 2.2 UFS 2.2
Max. resolution 2520x1080 pixels 2520x1080 pixels
Camera 1x108 pixels 1x108 pixels
Video recording 2K at 30FPS 2K at 30FPS
Video quality 2K at 30FPS 2K at 30FPS
Video codecs - H.264
- H.265
- VP9
- H.264
- H.265
- VP9
Audio codecs - AAC LC
- FLAC
- HE-AACv1
- HE-AACv2
- MP3
- AAC
- AIFF
- CAF
- MP3
- MP4
- WAV

Connectivity

4G Support n/a LTE Cat. 13
5G Support Yes No
Download speed Up to 3300 MB/s Up to 650 MB/s
Upload speed n/a Up to 150 MB/s
Wi-Fi version 5 5
Bluetooth version 5.4 5.2
Navigation - GPS
- GLONASS
- Beidou
- Galileo
- QZSS
- NAVIC
- GPS
- GLONASS
- Beidou
- Galileo
- QZSS
- NAVIC

Other

Announced February, 2025 yr May, 2022 yr
Class Mid-range Mid-range
Codename n/a MT6789

Results

No clear favorite identified yet; updates may follow as new data arrives.

Survey

Which smartphone would you pick?
2 (100%)
0 (0%)
Total Votes: 2

User comments

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