MediaTek Dimensity 6400 vs MediaTek Helio G99
Which processor is better? We compared MediaTek Dimensity 6400 with MediaTek Helio G99. Compare, analyze the specifications. Find out their scores in popular benchmarks (GeekBench 6 Single-Core, GeekBench 6 Multi-Core) and who is the winner?
GeekBench 6 Single-Core
Score
GeekBench 6 Multi-Core
Score
CPU cores and architecture
Architecture | 6x 2 GHz – Cortex-A55 | 6x 2 GHz – Cortex-A55 |
Number of cores | 6 | 6 |
Instruction Set | ARMv8.2-A | ARMv8.2-A |
Lithography | 6 nm | 6 nm |
TDP | 5 Watt | |
Neural Processing | NPU | NPU |
Memory (RAM)
Max amount | up to 12 GB | up to 12 GB |
Memory type | LPDDR4X | LPDDR4X |
Memory frequency | 2133 MHz | 2133 MHz |
Memory-bus | 2x16 bit | 2x16 bit |
Graphics
GPU name | Mali-G57 MP2 | Mali-G57 MP2 |
GPU Architecture | Mali Valhall | Mali Valhall |
GPU frequency | 1000 MHz | |
Execution units | 2 | 2 |
Shaders | 64 | 64 |
DirectX | 12 | 12 |
OpenCL API | 2.0 | 2.0 |
Vulkan API | 1.3 | 1.3 |
Camera, Video, Display
Max screen resolution | 2520x1080 | 2520x1080 |
Max camera resolution | 1x 108MP, 2x 16MP | 1x 108MP, 2x 16MP |
Max Video Capture | 2K@30fps | 2K@30fps |
Video codec support | H.264 (AVC) H.265 (HEVC) VP9 |
H.264 (AVC) H.265 (HEVC) VP9 |
Wireless
4G network | Yes | Yes |
5G network | Yes | Yes |
Peak Download Speed | 3.3 Gbps | 0.65 Gbps |
Peak Upload Speed | 0.15 Gbps | |
Wi-Fi | 5 (802.11ac) | 5 (802.11ac) |
Bluetooth | 5.4 | 5.2 |
Satellite navigation | BeiDou GPS Galileo GLONASS NavIC QZSS |
BeiDou GPS Galileo GLONASS NavIC QZSS |
Supplemental Information
Launch Date | 2025 Quarter 1 | 2022 Quarter 2 |
Partnumber | MT6789 | |
Vertical Segment | Mobiles | Mobiles |
Positioning | Mid-end | Mid-end |
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