MediaTek Dimensity 6400 Turbo Chipset Review — Specifications and Benchmarks vs MediaTek Helio G81 Ultra Chipset Review — Specifications and Benchmarks
There are 8 key differences between MediaTek Dimensity 6400 Turbo Chipset Review — Specifications and Benchmarks and MediaTek Helio G81 Ultra Chipset Review — Specifications and Benchmarks.
ميديا تيك (MediaTek)
MediaTek Dimensity 6400 Turbo Chipset Review — Specifications and Benchmarks
5.5
Key differences
| MediaTek Dimensity 6400 Turbo Chipset Review — Specifications and Benchmarks | MediaTek Helio G81 Ultra Chipset Review — Specifications and Benchmarks | |
|---|---|---|
| Fabrication | 6 nm (TSMC) | 12nm FinFET |
| Core configuration | 2× Cortex-A76 at 2.5 GHz + 6× Cortex-A55 at 2.0 GHz | 2x Cortex-A75 2.0GHz + 6x Cortex-A55 2.0GHz |
| Max clock | 2.5 GHz | 2.0 GHz |
| GPU | Mali-G57 MC2 | Mali-G52 MC2 |
| GPU clock | No specific official figure from MediaTek | Up to 950MHz |
| Supported RAM | LPDDR4X | LPDDR4x |
| Supported storage | UFS 2.2 | eMMC 5.1 |
| 5G | Yes | No |
MediaTek Dimensity 6400 Turbo Chipset Review — Specifications and Benchmarks
Read the full review →MediaTek Helio G81 Ultra Chipset Review — Specifications and Benchmarks
The Helio G81 Ultra targets the cheapest price segment, supporting 120Hz displays for the first time in the G8x series.
- +Supports up to 120Hz displays for the first time in the G8x series.
- +HyperEngine technology for dynamic resource management.
- +Very low cost suited for the cheapest phone tier.
- −No 5G network support.
- −Relatively older 12nm process.
- −eMMC 5.1 storage is slower than modern UFS.
Full specifications
| MediaTek Dimensity 6400 Turbo Chipset Review — Specifications and Benchmarks | MediaTek Helio G81 Ultra Chipset Review — Specifications and Benchmarks | |
|---|---|---|
| Manufacturing | ||
| Manufacturer | MediaTek | MediaTek |
| Fabrication | 6 nm (TSMC) | 12nm FinFET |
| Announced | February 2025 (as the base Dimensity 6400) — appeared as the "Turbo" exclusively with the Realme 16 in January 2026 | — |
| Availability | Available | Available |
| CPU | ||
| CPU cores | 8 cores | 8 cores |
| Core configuration | 2× Cortex-A76 at 2.5 GHz + 6× Cortex-A55 at 2.0 GHz | 2x Cortex-A75 2.0GHz + 6x Cortex-A55 2.0GHz |
| Max clock | 2.5 GHz | 2.0 GHz |
| Architecture | ARMv8.2-A, 64-bit (not ARMv9) | — |
| Graphics & AI | ||
| GPU | Mali-G57 MC2 | Mali-G52 MC2 |
| GPU clock | No specific official figure from MediaTek | Up to 950MHz |
| NPU | Not officially documented as a separate unit (a budget chip with no AI marketing focus) | — |
| AI performance | Not officially announced | — |
| Memory & connectivity | ||
| Supported RAM | LPDDR4X | LPDDR4x |
| Max RAM | 2133 MHz | — |
| Supported storage | UFS 2.2 | eMMC 5.1 |
| Modem | Integrated Sub-6 5G modem, with dual 5G SIM support | — |
| 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 | Wi-Fi 5 |
| Bluetooth | 5.2 (officially from the chip) — the Realme 16 uses 5.3/5.4 at device level | 5.0 |
| Benchmarks | ||
| AnTuTu | ~544,000–604,000 (varies with the device and accompanying RAM) | — |
| Geekbench single-core | ~764 – 803 | — |
| Geekbench multi-core | ~1978 – 2159 | — |
| Extra features | ||
| Key features | Relatively good thermal stability in long tests (99.5% consistency), camera support up to 108 MP, displays up to 120Hz at FHD+ | Supports up to 120Hz displays |
| 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 | HONOR X7e |
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