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MediaTek Dimensity 6400 Turbo Chipset Review — Specifications and Benchmarks vs MediaTek Helio G100 Ultimate Chipset Review — Specifications and Benchmarks

There are 8 key differences between MediaTek Dimensity 6400 Turbo Chipset Review — Specifications and Benchmarks and MediaTek Helio G100 Ultimate Chipset Review — Specifications and Benchmarks.

Key differences

MediaTek Dimensity 6400 Turbo Chipset Review — Specifications and Benchmarks vs MediaTek Helio G100 Ultimate Chipset Review — Specifications and Benchmarks — Key differences
MediaTek Dimensity 6400 Turbo Chipset Review — Specifications and Benchmarks MediaTek Helio G100 Ultimate Chipset Review — Specifications and Benchmarks
Fabrication 6 nm (TSMC) 6 nm (TSMC N6)
Announced February 2025 (as the base Dimensity 6400) — appeared as the "Turbo" exclusively with the Realme 16 in January 2026 7 August 2024 (base Helio G100) — the "Ultimate"/"Ultra" names are partner-specific marketing labels for the same platform
Core configuration 2× Cortex-A76 at 2.5 GHz + 6× Cortex-A55 at 2.0 GHz 2× Cortex-A76 at 2.2 GHz + 6× Cortex-A55 at 2.0 GHz
Max clock 2.5 GHz 2.2 GHz
Architecture ARMv8.2-A, 64-bit (not ARMv9) ARMv8.2-A, 64-bit
GPU clock No specific official figure from MediaTek No exact figure announced by MediaTek
NPU Not officially documented as a separate unit (a budget chip with no AI marketing focus) No powerful dedicated NPU officially documented
AI performance Not officially announced Not announced (a chip with no AI focus)

MediaTek Dimensity 6400 Turbo Chipset Review — Specifications and Benchmarks

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MediaTek Helio G100 Ultimate Chipset Review — Specifications and Benchmarks

A purely budget chip — in practice a Helio G99 with stronger camera support and a new marketing name. It only suits very tight budgets where 5G support and genuinely modern performance are not needed.

  • +Camera support up to 200MP
  • +Displays up to 120Hz
  • +Good power efficiency thanks to the 6nm process
  • No 5G support at all
  • Dated, slow UFS 2.2 storage
  • No real architectural difference from the older Helio G99
Read the full review →

Full specifications

MediaTek Dimensity 6400 Turbo Chipset Review — Specifications and Benchmarks vs MediaTek Helio G100 Ultimate Chipset Review — Specifications and Benchmarks — Full specifications
MediaTek Dimensity 6400 Turbo Chipset Review — Specifications and Benchmarks MediaTek Helio G100 Ultimate Chipset Review — Specifications and Benchmarks
التصنيع
Manufacturer MediaTek MediaTek
Fabrication 6 nm (TSMC) 6 nm (TSMC N6)
Announced February 2025 (as the base Dimensity 6400) — appeared as the "Turbo" exclusively with the Realme 16 in January 2026 7 August 2024 (base Helio G100) — the "Ultimate"/"Ultra" names are partner-specific marketing labels for the same platform
Availability Available Available
المعالج المركزي
CPU cores 8 cores 8 cores
Core configuration 2× Cortex-A76 at 2.5 GHz + 6× Cortex-A55 at 2.0 GHz 2× Cortex-A76 at 2.2 GHz + 6× Cortex-A55 at 2.0 GHz
Max clock 2.5 GHz 2.2 GHz
Architecture ARMv8.2-A, 64-bit (not ARMv9) ARMv8.2-A, 64-bit
الرسوميات والذكاء الاصطناعي
GPU Mali-G57 MC2 Mali-G57 MC2
GPU clock No specific official figure from MediaTek No exact figure announced by MediaTek
NPU Not officially documented as a separate unit (a budget chip with no AI marketing focus) No powerful dedicated NPU officially documented
AI performance Not officially announced Not announced (a chip with no AI focus)
الذاكرة والاتصال
Supported RAM LPDDR4X LPDDR4X
Max RAM 2133 MHz No exact figure announced (up to 12 GB of RAM)
Supported storage UFS 2.2 UFS 2.2
Modem Integrated Sub-6 5G modem, with dual 5G SIM support Integrated 4G LTE only (Cat.13), theoretical download up to 150 Mbps
5G Yes No
Wi-Fi Wi-Fi 5 (officially from the chip) — some devices such as the Realme 16 add Wi-Fi 6 via an external module Not precisely specified (most likely Wi-Fi 5, as on the G99)
Bluetooth 5.2 (officially from the chip) — the Realme 16 uses 5.3/5.4 at device level 5.2
نتائج الاختبارات
AnTuTu ~544,000–604,000 (varies with the device and accompanying RAM) ~375,633–429,114 (wide variation by device)
Geekbench single-core ~764 – 803 ~570
Geekbench multi-core ~1978 – 2159 ~1,917
مميزات إضافية
Key features Relatively good thermal stability in long tests (99.5% consistency), camera support up to 108 MP, displays up to 120Hz at FHD+ Camera support up to 200 MP (the main addition over the G99), 16+16 MP dual capture, displays up to 120Hz at Full HD+
Phones using it Realme 16 5G (as the "Turbo") — the same base chip is also used in devices such as the Motorola Moto G87, Realme 15T and Tecno Pova Slim 5G under the standard Dimensity 6400 name Infinix Note 50 / Note 50 Pro 4G, Tecno Camon 40 / Camon 40 Pro, Tecno Pova 7 4G, Tecno Spark 40 Pro, Xiaomi Redmi Note 14 Pro 4G, Redmi Note 15 4G

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