MediaTek Dimensity 9400 vs MediaTek Helio G99
Which processor is better? We compared MediaTek Dimensity 9400 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 | 1x 3.63 GHz – Cortex-X925 3x 3.3 GHz – Cortex-X4 4x 2.4 GHz – Cortex-A720 |
6x 2 GHz – Cortex-A55 |
Number of cores | 8 | 6 |
Instruction Set | ARMv9.2-A | ARMv8.2-A |
Lithography | 3 nm | 6 nm |
TDP | 8.2 Watt | 5 Watt |
Neural Processing | MediaTek NPU 890 | NPU |
Memory (RAM)
Max amount | up to 24 GB | up to 12 GB |
Memory type | LPDDR5X | LPDDR4X |
Memory frequency | 5333 MHz | 2133 MHz |
Memory-bus | 4x16 bit | 2x16 bit |
Graphics
GPU name | Mali-G925 MP12 | Mali-G57 MP2 |
GPU Architecture | Mali Valhall | Mali Valhall |
GPU frequency | 1612 MHz | 1000 MHz |
Execution units | 12 | 2 |
Shaders | 1536 | 64 |
DirectX | 12.1 | 12 |
OpenCL API | 3.0 | 2.0 |
Vulkan API | 1.3 | 1.3 |
Camera, Video, Display
Max screen resolution | 3840x2160 | 2520x1080 |
Max camera resolution | 1x 320MP | 1x 108MP, 2x 16MP |
Max Video Capture | 8K@60fps | 2K@30fps |
Video codec support | AV1 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 | 0.65 Gbps | |
Peak Upload Speed | 0.15 Gbps | |
Wi-Fi | 7 (802.11be) | 5 (802.11ac) |
Bluetooth | 6.0 | 5.2 |
Satellite navigation | BeiDou GPS Galileo GLONASS NavIC QZSS |
BeiDou GPS Galileo GLONASS NavIC QZSS |
Supplemental Information
Launch Date | 2024 Quarter 4 | 2022 Quarter 2 |
Partnumber | MT6991 MT6991Z/CZA MT6991W/CZA | MT6789 |
Vertical Segment | Mobiles | Mobiles |
Positioning | Flagship | Mid-end |
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