Unisoc T9100 (T820) vs MediaTek Dimensity 8300
Unisoc T9100 (T820)
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The Unisoc T9100 (formely Unisoc T820) is a mid range SoC for Android based smartphones and tablets. It integrates an octa-core CPU with three clusters. One fast ARM Cortex-A76 clocked at up to 2.7 GHz, three more A76 performance cores clocked at up to 2.3 GHz and a power efficiency cluster of four ARM-Cortex-A55 cores with up to 2.1 GHz. The integrated memory controller supports LPDDR4/4X with up to 2133 MHz (2x 16 Bit). The integrated ISP supports two main cameras and two subsidiary cameras (up to 108 MPix). The integrated graphics card is an ARM Mali-G57 MC4 (4 cores) at up to 850 MHz. Unisoc also specifies that the T9100 offers hardware AI acceleration with up to 8.0 TOPS peak performance of the NPU.
The chip is manufactured on the modern 6nm EUV process.
MediaTek Dimensity 8300
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The MediaTek Dimensity 8300 presented in Q4 2023 is an ARM-based SoC (system-on-a-chip) that is manufactured using the 4 nm process. It was specially designed for use in Android smartphones and is in the lower upper class in terms of performance. It supports all current mobile communication standards, including 5G SA. The similar Dimensity 8300-Ultra offers a specially adapted for Xiaomi.
The CPU works with a total of eight cores, which are divided into two clusters. The first cluster contains one ARM Cortex-A715 power core, which operates at up to 3.35 GHz. In addition, there are 3 further ARM Cortex-A715 cores with 3.2 GHz. The second cluster contains four ARM Cortex-A510 energy-saving cores with 2.2 GHz. LPDDR5 RAM can be used as RAM and UFS 4.0 is supported as internal memory.
Compared to the predecessor MediaTek Dimensity 8200-Ultra the MediaTek Dimensity 8300 is said to offer up to 20 percent higher CPU performance and up to 60 percent higher GPU performance. According to the manufacturer, the energy efficiency for CPU and GPU has also improved (+30%/+55%).
In terms of connectivity, dual 5G with a theoretical peak download speed of up to 5.17 GBit/s is available, as well as WiFi 6E and Bluetooth 5.4.
An Imagiq 980 image processor is responsible for processing the camera data. Video recordings are supported with up to 4K at 60 fps.
The integrated ARM Mali-G615 MC6 graphics unit can control displays with a resolution of up to 2,960 x 1,440 pixels (WQHD+) and a refresh rate of up to 120 Hz. With Full HD+, even up to 180 Hz is possible.
| Model | Unisoc T9100 (T820) | MediaTek Dimensity 8300 |
| Codename | Cortex-A76 / A55 | Cortex-A715 / A510 |
| Clock | 2100 - 2700 MHz | 2200 - 3350 MHz |
| Cores / Threads | 8 / 8 | 8 / 8 3.4 GHz 4 x 3.2 GHz ARM Cortex-A715 4 x 2.2 GHz ARM Cortex-A510 |
| Technology | 6 nm | 4 nm |
| Features | ISP (2 main + 2 subsidiary, 108M 9-in-1, 64M ZSL) | ARM Mali-G610 MC6 GPU, Dual 5G modem, WiFi 6E, Bluetooth 5.3, H.264/HEVC video decoding |
| iGPU | ARM Mali-G57 MP4 ( - 850 MHz) | ARM Mali-G615 MP6 |
| Architecture | ARM | ARM |
| Announced | ||
| L3 Cache | 4 MB | |
| Manufacturer | www.mediatek.com |
Benchmarks
Average Benchmarks Unisoc T9100 (T820) → 100% n=6
Average Benchmarks MediaTek Dimensity 8300 → 176% n=6
- Average benchmark values for this graphics card* Smaller numbers mean a higher performance
1 This benchmark is not used for the average calculation
