MediaTek Helio G81 Ultimate Chipset Review — Specifications and Benchmarks vs MediaTek Helio G91-Ultra Chipset Review — Specifications and Benchmarks
There are 8 key differences between MediaTek Helio G81 Ultimate Chipset Review — Specifications and Benchmarks and MediaTek Helio G91-Ultra Chipset Review — Specifications and Benchmarks.
Key differences
| MediaTek Helio G81 Ultimate Chipset Review — Specifications and Benchmarks | MediaTek Helio G91-Ultra Chipset Review — Specifications and Benchmarks | |
|---|---|---|
| Fabrication | 12 nm (TSMC) | 12nm |
| Announced | August 2024 (the "Ultimate" name is a marketing label some manufacturers apply to the same base Helio G81 chip) | 2024 (base), 2026 (Ultra) |
| Core configuration | 2× Cortex-A75 at 2.0 GHz + 6× Cortex-A55 at 1.8 GHz | 2x Cortex-A75 2.0GHz + 6x Cortex-A55 1.8GHz |
| GPU clock | 820–950 MHz (slight variation between sources) | Up to 1000MHz (improved variant) |
| 5G | Yes | No |
| AnTuTu | ~254,779 | Approximately 258,000-277,000 |
| Geekbench multi-core | ~1,322 | Approximately 1,339-1,417 |
| Phones using it | Xiaomi Redmi 14C, Redmi 15C, Poco C75, Poco C85, Honor X6c, Realme C75x, Motorola Moto G06 Power, Blackview Oscal Pilot 1, DOOGEE Rugged Fire 5 Ultra, Infinix Smart 20 | Xiaomi Redmi 17 4G |
MediaTek Helio G81 Ultimate Chipset Review — Specifications and Benchmarks
An extremely low-cost chip suited only to very cheap phones and basic tasks. Clear limits in connectivity and storage make it a poor fit if you want a phone that lasts for years or genuinely modern performance.
- +Very low power draw, which helps battery life
- +Support for displays up to 120Hz
- +Very low prices on the phones that carry it
- −No 5G support at all
- −Dated, slow eMMC 5.1 storage instead of UFS
- −Relatively dated core architecture (Cortex-A75/A55)
MediaTek Helio G91-Ultra Chipset Review — Specifications and Benchmarks
The Helio G91-Ultra targets the very budget segment, though the "Ultra" naming isn't matched by significant real performance differences over the base chip.
- +Suited for light daily use and basic games.
- +Good power efficiency for this price tier.
- +Very low cost suited for very budget phones.
- −No 5G network support.
- −The real gap over the base variant is limited despite the "Ultra" naming.
- −Relatively older 12nm process compared to newer rivals.
Full specifications
| MediaTek Helio G81 Ultimate Chipset Review — Specifications and Benchmarks | MediaTek Helio G91-Ultra Chipset Review — Specifications and Benchmarks | |
|---|---|---|
| Manufacturing | ||
| Manufacturer | MediaTek | MediaTek |
| Fabrication | 12 nm (TSMC) | 12nm |
| Announced | August 2024 (the "Ultimate" name is a marketing label some manufacturers apply to the same base Helio G81 chip) | 2024 (base), 2026 (Ultra) |
| Availability | Available | Available |
| CPU | ||
| CPU cores | 8 cores | 8 cores |
| Core configuration | 2× Cortex-A75 at 2.0 GHz + 6× Cortex-A55 at 1.8 GHz | 2x Cortex-A75 2.0GHz + 6x Cortex-A55 1.8GHz |
| Max clock | 2.0 GHz | 2.0 GHz |
| Architecture | ARMv8.2-A, 64-bit | — |
| Graphics & AI | ||
| GPU | Mali-G52 MC2 | Mali-G52 MC2 |
| GPU clock | 820–950 MHz (slight variation between sources) | Up to 1000MHz (improved variant) |
| NPU | No powerful dedicated NPU; only light CPU-based AI enhancements for object recognition and photo classification | — |
| AI performance | Not announced (a chip with no AI focus) | — |
| Memory & connectivity | ||
| Supported RAM | LPDDR4X | — |
| Max RAM | 1800 MHz | — |
| Supported storage | eMMC 5.1 (not UFS) | — |
| Modem | Integrated 4G LTE only (Cat-7 download / Cat-13 upload) | — |
| 5G | Yes | No |
| Wi-Fi | Wi-Fi 5 (802.11ac) | — |
| Bluetooth | 5.0 | — |
| Benchmarks | ||
| AnTuTu | ~254,779 | Approximately 258,000-277,000 |
| Geekbench single-core | ~417 | — |
| Geekbench multi-core | ~1,322 | Approximately 1,339-1,417 |
| Extra features | ||
| Key features | Display support up to 120Hz, MediaTek HyperEngine resource management, low power draw (a TDP of just 5W) | — |
| Phones using it | Xiaomi Redmi 14C, Redmi 15C, Poco C75, Poco C85, Honor X6c, Realme C75x, Motorola Moto G06 Power, Blackview Oscal Pilot 1, DOOGEE Rugged Fire 5 Ultra, Infinix Smart 20 | Xiaomi Redmi 17 4G |
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