Choosing the right smartphone processor can make a noticeable difference to your everyday experience. The MediaTek Dimensity 1000L and MediaTek Helio G91 Ultra cater to different types of users. The Dimensity 1000L is a premium 5G processor designed for demanding tasks, while the Helio G91 Ultra focuses on reliable everyday performance with gaming enhancements for mid-range smartphones.
This comparison explores their key technical specifications, including CPU performance, graphics, memory support, multimedia capabilities, and connectivity, helping you understand which processor better suits your needs.
General
The general specifications give you a quick overview of how these two processors compare. While the MediaTek Dimensity 1000L targets premium smartphones with 5G support, the MediaTek Helio G91 Ultra is designed for affordable devices that deliver dependable everyday performance.
| Specification | MediaTek Dimensity 1000L | MediaTek Helio G91 Ultra |
| Announced date | 26 November 2019 | 2024 |
| Class | High-end | Mid-range |
| Model number | MT6885Z | MT6769V/CZ |
| Brand | MediaTek | MediaTek |
CPU
The CPU is responsible for handling everyday tasks, multitasking, and overall system performance. The MediaTek Dimensity 1000L features four high-performance Cortex-A77 cores alongside four Cortex-A55 efficiency cores. In comparison, the Helio G91 Ultra combines two Cortex-A76 performance cores with six Cortex-A55 cores to balance performance and power efficiency.
| Specification | MediaTek Dimensity 1000L | MediaTek Helio G91 Ultra |
| Architecture | 64-bit | 64-bit |
| Cores | 8 (4 × Cortex-A77 + 4 × Cortex-A55) | 8 (2 × Cortex-A76 + 6 × Cortex-A55) |
| Frequency | Up to 2.2GHz | Up to 2.0GHz |
| Instruction set | ARMv8.2-A | ARMv8-A |
| Process | 7nm | 12nm |
| Manufacturing | TSMC | TSMC |
Graphics
Graphics performance affects gaming, video playback, and overall visual quality. The MediaTek Dimensity 1000L uses the Mali-G77 MC9 GPU based on the newer Valhall architecture, delivering stronger graphics performance. The Helio G91 Ultra features the Mali-G52 MC2 GPU, which is well suited for casual gaming and everyday multimedia use.
| Specification | MediaTek Dimensity 1000L | MediaTek Helio G91 Ultra |
| SoC | Dimensity 1000L | Helio G91 Ultra |
| GPU name | Arm Mali-G77 MC9 | Arm Mali-G52 MC2 |
| GPU architecture | Valhall | Bifrost |
| GPU frequency | Up to 800MHz | Up to 1,000MHz |
| Vulkan version | 1.1 | 2.2 |
| OpenCL version | 2.0 | 2.0 |
Memory
Memory support influences app loading speeds, multitasking, and overall responsiveness. Both processors support LPDDR4x RAM, but the MediaTek Dimensity 1000L offers higher memory speeds and supports more RAM, making it better suited for demanding workloads.
| Specification | MediaTek Dimensity 1000L | MediaTek Helio G91 Ultra |
| Memory type | LPDDR4x | LPDDR4x |
| Memory frequency | Up to 1866MHz | Up to 1800MHz |
| Maximum RAM support | Up to 12GB | Up to 8GB |
Multimedia and ISP
Camera capabilities, display support, and video recording are influenced by the chipset's multimedia engine and image signal processor (ISP). The MediaTek Dimensity 1000L offers stronger multimedia performance with support for 4K video recording, while the Helio G91 Ultra focuses on delivering capable camera performance for mid-range smartphones.
| Specification | MediaTek Dimensity 1000L | MediaTek Helio G91 Ultra |
| Storage support | UFS 2.2 | eMMC 5.1 |
| Maximum display resolution | 2520 x 1080 pixel | 2400 x 1080 pixel |
| Maximum camera resolution | 80MP | 108MP |
| Video capture | 4K at 30fps | 2K at 30fps |
| Video playback | 4K | Full HD |
| Video codecs | H.264, H.265, VP9 | H.264, H.265 |
Connectivity and network
Connectivity is where these processors differ the most. The MediaTek Dimensity 1000L includes an integrated 5G modem, faster download speeds, and Wi-Fi 6 support, making it ideal for users who want next-generation connectivity. The MediaTek Helio G91 Ultra relies on 4G LTE connectivity, offering dependable network performance for everyday smartphone use.
| Specification | MediaTek Dimensity 1000L | MediaTek Helio G91 Ultra |
| Modem | Integrated 5G modem | 4G LTE modem |
| 4G support | Yes | Yes |
| 5G support | Yes | No |
| Download speed | Up to 4.7Gbps | Up to 300Mbps |
| Upload speed | Up to 2.5Gbps | Up to 150Mbps |
| Wi-Fi | Wi-Fi 6 | Wi-Fi 5 |
| Bluetooth | 5.1 | 5.2 |
| Navigation | GPS, GLONASS, BeiDou, Galileo | GPS, GLONASS, BeiDou, Galileo |
