Unisoc T9100 (T820) vs Qualcomm Snapdragon 685 4G vs MediaTek Dimensity 820
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.
Qualcomm Snapdragon 685 4G
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The Qualcomm Snapdragon 685 (SD685, SM6225-AD) is a mid-range ARM-based SoC largely found on Android tablets and smartphones. It features 8 Kryo 265 cores (custom design, 64-Bit capable) that are divided in two clusters. A fast cluster of four cores with up to 2.8 GHz (Kryo 265 Gold - Cortex-A73 derivate) and a power saving efficiency cluster with up to 1.9 GHz (Kryo 265 Silver - Cortex A53 derivate). Both clusters can also be used together. According to Qualcomm the SD685 is around 15% more CPU performance and 10% more GPU performance compared to the old SD680 (thanks to higher clock speeds).
In addition to the 8 CPU cores, the SoC integrates a mid range Adreno 610 GPU with a LPDDR4 memory controller (dual-channel) and supports Wi-Fi (802.11ac + MIMO, max. 867 Mbps), Bluetooth 5, and LTE (X11 LTE modem with up to 390 Mbps download).
The SoC is produced in 6nm.
MediaTek Dimensity 820
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The Mediatek Dimensity 820 is a fast mid-range SoC with an integrated 5G modem. It includes four fast ARM Cortex-A76 cores at up to 2.6 GHz and four power efficient Cortex-A55 cores at up to 2 GHz (Octa-Core with Heterogeneous Multi-Processing). Furthermore, the chip integrates a 5 core ARM Mali-G57 MC5 GPU, a Wi-fi 5 modem, a LPDDR4x memory controller, a AI processing unit (APU 3.0) and video de- and encoding. The Dimensity 820 is manufactured in the modern 7nm process and should be very power efficient.
| Model | Unisoc T9100 (T820) | Qualcomm Snapdragon 685 4G | MediaTek Dimensity 820 | ||||||||
| Codename | Cortex-A76 / A55 | Kryo 265 Gold (Cortex-A73) / Silver (Cortex-A53) | Cortex-A76 / A55 | ||||||||
| Clock | 2100 - 2700 MHz | 1900 - 2800 MHz | 2000 - 2600 MHz | ||||||||
| Cores / Threads | 8 / 8 | 8 / 8 | 8 / 8 | ||||||||
| Technology | 6 nm | 6 nm | 7 nm | ||||||||
| Features | ISP (2 main + 2 subsidiary, 108M 9-in-1, 64M ZSL) | Adreno 610 GPU, X11 LTE Modem, Hexagon 686 DSP, Spectra 346 ISP, FastConnect 6200 (BT 5.2, WLAN ac), QuickCharge 3.0 | 4x ARM Cortex-A76 (2.6 GHz), 4x ARM Cortex-A55 (2 GHz), ARM Mali-G57 MC5, APU 3.0, 5G Modem (2CC), MiraVision (4K HDR Video, 80MP Photo), Wi-Fi 5, Bluetooth 5.1, UFS 2.2, 16GB LPDDR4x Support | ||||||||
| iGPU | ARM Mali-G57 MP4 ( - 850 MHz) | Qualcomm Adreno 610 | ARM Mali-G57 MP5 | ||||||||
| Architecture | ARM | ARM | ARM | ||||||||
| Announced | |||||||||||
| Series | Qualcomm Snapdragon | ||||||||||
| Series: Snapdragon Kryo 265 Gold (Cortex-A73) / Silver (Cortex-A53) |
| ||||||||||
| Manufacturer | www.qualcomm.com | www.mediatek.com |
Benchmarks
Average Benchmarks Unisoc T9100 (T820) → 100% n=4
Average Benchmarks Qualcomm Snapdragon 685 4G → 76% n=4
Average Benchmarks MediaTek Dimensity 820 → 113% n=4
- Average benchmark values for this graphics card* Smaller numbers mean a higher performance
1 This benchmark is not used for the average calculation
