The MediaTek Dimensity 1000L and MediaTek Helio G99 Ultimate are designed for different smartphone segments. The Dimensity 1000L is a flagship-class 5G chipset built for high-performance devices, while the Helio G99 Ultimate is a power-efficient 4G processor aimed at mid-range smartphones. Comparing their CPU, GPU, memory, multimedia, and connectivity features helps highlight which chipset is better suited for your needs.
General info
The MediaTek Dimensity 1000L was introduced as a premium 5G chipset with flagship-grade performance, whereas the MediaTek Helio G99 Ultimate focuses on delivering efficient everyday performance, reliable gaming, and long battery life in affordable smartphones.
| Specification | MediaTek Dimensity 1000L | MediaTek Helio G99 Ultimate |
| Announced | November 2019 (Global) | 2024 (Global) |
| Class | Flagship | Mid-range |
| Model number | MT6885Z | MT6789 |
| Brand | MediaTek | MediaTek |
| Process | 7 nm | 6 nm |
| Best suited for | Premium 5G smartphones | Mid-range 4G smartphones |
CPU
Both processors feature an octa-core CPU, but they use different core configurations. The MediaTek Dimensity 1000L delivers higher processing performance with four Cortex-A77 cores, while the Helio G99 Ultimate balances performance and efficiency with Cortex-A76 and Cortex-A55 cores.
| Specification | MediaTek Dimensity 1000L | MediaTek Helio G99 Ultimate |
| CPU architecture | 4 × Cortex-A77 + 4 × Cortex-A55 | 2 × Cortex-A76 + 6 × Cortex-A55 |
| Cores | 8 | 8 |
| Maximum clock speed | Up to 2.6 GHz | Up to 2.2 GHz |
| Instruction set | ARMv8.2-A | ARMv8.2-A |
| Manufacturing process | 7 nm | 6 nm |
| Foundry | TSMC | TSMC |
| Best suited for | Heavy multitasking and demanding applications | Everyday performance and efficient gaming |
Graphics
The Dimensity 1000L features the Mali-G77 MC9 GPU, which delivers stronger graphics performance for demanding games and multimedia workloads. The Helio G99 Ultimate uses the Mali-G57 MC2 GPU, providing smooth performance for casual and mainstream gaming.
| Specification | MediaTek Dimensity 1000L | MediaTek Helio G99 Ultimate |
| GPU | Mali-G77 MC9 | Mali-G57 MC2 |
| GPU architecture | Valhall | Valhall |
| GPU frequency | Up to 700 MHz | Up to 1 GHz |
| Execution units | 9 | 2 |
| Vulkan | 1.1 | 1.1 |
| OpenCL | 2.0 | 2.0 |
| DirectX | 12 | 12 |
| Best suited for | Graphics-intensive gaming and multimedia | Mainstream gaming and daily use |
Memory
Both chipsets support LPDDR4X memory, but the MediaTek Dimensity 1000L provides higher memory bandwidth and supports more RAM. This enables smoother multitasking and better performance in resource-intensive applications.
| Specification | MediaTek Dimensity 1000L | MediaTek Helio G99 Ultimate |
| Memory type | LPDDR4X | LPDDR4X |
| Memory speed | 2133 MHz | 2133 MHz |
| Memory bus | 4 × 16-bit | 2 × 16-bit |
| Maximum bandwidth | 34.1 GB/s | 17 GB/s |
| Maximum RAM | 16 GB | 8 GB |
| Best suited for | Heavy multitasking | Everyday multitasking |
Multimedia (ISP)
The multimedia capabilities of both processors reflect their target segments. The Dimensity 1000L supports 4K video recording and premium imaging features, while the Helio G99 Ultimate focuses on high-resolution photography and efficient multimedia performance for mid-range devices.
| Specification | MediaTek Dimensity 1000L | MediaTek Helio G99 Ultimate |
| Storage support | UFS 2.1 | UFS 2.2 |
| Maximum display resolution | 2520 × 1080 | 2520 × 1080 |
| Maximum camera resolution | 80 MP | 108 MP |
| Video recording | 4K at 30 fps | 2K at 30 fps |
| Video playback | 4K | 2K |
| Video codecs | H.264, H.265 (HEVC), VP9 | H.264, H.265 (HEVC) |
| Audio codecs | AAC, LDAC, aptX HD | AAC, LDAC |
| Best suited for | 4K video recording and premium imaging | High-resolution photography and media streaming |
Connectivity and network
The MediaTek Dimensity 1000L includes an integrated 5G modem with significantly faster network speeds, while the Helio G99 Ultimate is limited to 4G LTE but offers efficient wireless connectivity for everyday use.
| Specification | MediaTek Dimensity 1000L | MediaTek Helio G99 Ultimate |
| Modem | Integrated 5G modem | Integrated 4G LTE modem |
| 4G support | Yes | Yes |
| 5G support | Yes | No |
| Peak download speed | Up to 4.7 Gbps | Up to 600 Mbps |
| Peak upload speed | Up to 2.5 Gbps | Up to 150 Mbps |
| Wi-Fi | Wi-Fi 6 | Wi-Fi 5 |
| Bluetooth | 5.1 | 5.2 |
| Navigation | GPS, GLONASS, BeiDou, Galileo | GPS, GLONASS, BeiDou, Galileo |
| Best suited for | High-speed 5G connectivity | Reliable 4G connectivity and efficient networking |