MediaTek Dimensity 820 MT6875 is based on TSMC’s 7nm FinFET process.It includes four high-performance Cortex-A76 cores clocked at up to 2.6GHz as compared to 2.0GHz on the Dimensity 800. The four efficiency Cortex-A55 cores continue to be clocked at 2.0GHz.
MediaTek Dimensity 820 MT6875 5G Specification

| Product Name | |
| Brand | MediaTek |
| Category | Mobile processors |
| Model | MT6875 |
| General | |
| Device Type | Mobile device |
| Announced | May 18 2020 |
| Status | Available |
| CPU & GPU | |
| CPU | 4X Arm Cortex-A76 up to 2.6GHz 4X Arm Cortex-A55 up to 2GHz |
| Process | 7nm |
| Architecture | 64 bit |
| Core | Octa-core |
| GPU | Arm Mali-G57 MC5 |
| Video Encoding | H.264, H.265 / HEVC |
| Video Playback | H.264, H.265 / HEVC, VP-9 |
| Max Display Resolution | 2520 x 1080 |
| MEMORY | |
| RAM type | LPDDR4x |
| MAX RAM Size | 16GB |
| Storage Type | uFS |
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| CAMERA | |
| Max Camera ISP | 32+16MP, 80MP |
| Max Video Capture Resolution | 3840 x 2160 |
| Camera Features | HDR-ISP (3+1) / Video HDR / Video NR / Video Bokeh / Video EIS / AI-Shutter / AI-AE / AI-AF / AI-AWB / AI-NR HDR / AI-HDR / AI-FD |
| DISPLAY | |
| Supported Display | 2520 x 1080 |
| Resolution | Full HD+ |
| Refresh Rate | 120Hz |
| NETWORK | |
| Cellular Connectivity | 2G / 3G / 4G / 5G Multi-Mode, 4G Carrier Aggregation (CA), 5G Carrier Aggregation (CA), CDMA2000 1x/EVDO Rev. A (SRLTE), EDGE, 4G FDD / TDD, 5G FDD / TDD, GSM, TD-SCDMA, WDCDMA |
| 5G Moderm | Yes |
| Specific Functions | SA & NSA modes; SA Option2, NSA Option3 / 3a / 3x, NR TDD Band, NR FDD Band, DSS, NR DL 2CC, 100 MHz bandwidth, 4×4 MIMO, 256QAM NR UL 2CC, 2×2 MIMO, 256QAM VoNR / EPS fallback |
| Bluetooth version | 5.1 |
| WIFI | Wi-Fi 5 (a/b/g/n/ac) |
| Wi-Fi Antenna | 2T2R |
The Dimensity 820 is designed for global sub-6GHz 5G networks in Asia, North America and Europe, said the company. It will debut in Redmi 10X that will debut in China on May 26th.