MediaTek Dimensity 1000C and MediaTek Helio G99 Ultimate are designed for different smartphone segments. Comparing their architecture, graphics, memory, multimedia, and connectivity helps users understand how each chipset performs in gaming, multitasking, imaging, and everyday smartphone usage.
General info
MediaTek Dimensity 1000C and MediaTek Helio G99 Ultimate are designed for different smartphone segments. Comparing their architecture, graphics, memory, multimedia, and connectivity helps users understand how each chipset performs in gaming, multitasking, imaging, and everyday smartphone usage.
| Specification | MediaTek Dimensity 1000C | MediaTek Helio G99 Ultimate |
| Announced Date | 03 September 2020 | G99 Ultimate variant announced after Helio G99 platform |
| Class | Premium | Mid-range |
| Network support | 5G | 4G LTE |
| Brand | MediaTek | MediaTek |
CPU
The CPU comparison highlights architecture, core configuration, clock speeds, manufacturing process, and instruction set support. These specifications determine multitasking performance, power efficiency, application responsiveness, and how well each processor handles demanding workloads and everyday smartphone usage.
| Specification | MediaTek Dimensity 1000C | MediaTek Helio G99 Ultimate |
| Architecture | 4× Cortex-A77 + 4× Cortex-A55 | ARM Cortex-A76/Cortex-A55 |
| Cores | 8 | 8 |
| Frequency | Up to 2.0 GHz | Up to 2.2 GHz |
| Instruction Set | ARMv8.2-A | ARMv8.2-A |
| Process | 7nm | 6nm |
| TDP (Sustained Power) | Not officially specified | Not officially specified |
| Manufacturing | TSMC | TSMC |
Graphics
Graphics performance affects gaming, video playback, and visual rendering. The table below compares the integrated GPU, graphics architecture, GPU frequency, execution units, supported graphics APIs, and overall graphics capabilities of the MediaTek Dimensity 1000C and MediaTek Helio G99 Ultimate.
| Specification | MediaTek Dimensity 1000C | MediaTek Helio G99 Ultimate |
| SoC | MediaTek Dimensity 1000C | MediaTek Helio G99 Ultimate (MT6789) |
| GPU Name | ARM Mali-G57 MC5 | Mali-G52 MC2 |
| Architecture | Valhall | Valhall |
| GPU Frequency | Not officially specified | Not officially specified |
| Execution Units | Not officially specified | Not officially specified |
| Shading Units | 120Not officially specified | Not officially specified |
| Total Shaders | Not officially specified | Not officially specified |
| FLOPS | Not officially specified | Not officially specified |
| Vulkan Version | Supported | Supported |
| OpenCL Version | Supported | Supported |
| DirectX Version | Not officially specified | Not officially specified |
Memory
Memory support affects multitasking, app loading, and overall responsiveness. The table below compares the supported memory type, memory frequency, bus configuration, maximum bandwidth, and maximum memory capacity of the MediaTek Dimensity 1000C and MediaTek Helio G99 Ultimate.
| Specification | MediaTek Dimensity 1000C | MediaTek Helio G99 Ultimate |
| Memory Type | LPDDR4x | LPDDR4x |
| Memory Frequency | 2133 MHz | 1866 MHz |
| Bus | 2x 16-bit | 2x 16-bit |
| Max Bandwidth | 34.1 GB/s | 25.6 GB/s |
| Max Size | 12 GB | 8 GB |
Multimedia (ISP)
Both processors support advanced multimedia features, with the Dimensity 1000C offering superior camera and video capabilities compared to the Helio G99 Ultimate, which provides adequate performance for its class.
| Specification | MediaTek Dimensity 1000C | MediaTek Helio G99 Ultimate |
| Storage Type | UFS 2.1, eMMC 5.1 | eMMC 5.1 |
| Max Display Resolution | 2520 × 1080 pixel | 2520 × 1080 pixel |
| Max Camera Resolution | Up to 80MP | Up to 80MP |
| Video Capture | 4K at 60fps | 1080p @ 30fps |
| Video Playback | 4K | 2K |
| Video Codecs | H.264, H.265/HEVC, VP9 | H.264, H.265/HEVC |
| Audio Codecs | AAC, AIFF, FLAC, MP3, LDAC | AAC, AIFF, FLAC, MP3 |
Connectivity and network
The connectivity options highlight the differences in the target market, with the Dimensity 1000C offering 5G support for high-speed internet, whereas the Helio G99 Ultimate focuses on reliable 4G connectivity.
| Specification | MediaTek Dimensity 1000C | MediaTek Helio G99 Ultimate |
| Modem | Integrated 5G | Integrated 4G LTE modem |
| 4G Support | Yes | Yes |
| 5G Support | Yes | No |
| Download Speed | Up to 4.7 Gbps | Up to 300 Mbps |
| Upload Speed | Up to 2.5 Gbps | Up to 150 Mbps |
| Wi-Fi | Wi-Fi 6 | Wi-Fi 5 |
| Bluetooth | 5.1 | 5.0 |
| Navigation | GPS, GLONASS, Galileo | GPS, GLONASS, BeiDou |