CPU A
Unisoc T820
8 cores 2700 MHz 6 nanometers Mali-G57 MP4
Mobile processor comparison
Unisoc T820 vs MediaTek Dimensity 8400
Compare available catalogue specifications. The page highlights factual differences without declaring an overall winner.
CPU B
MediaTek Dimensity 8400
8 cores 3250 MHz 4 nanometers Mali-G720 MP7
Compared fields
37
Different values
31
Quick factual highlights
Unisoc T820
No safely comparable numerical advantage detected.
MediaTek Dimensity 8400
- Higher maximum CPU clock
- Smaller manufacturing process
- Higher listed GPU clock
CPU
| Specification | Unisoc T820 | MediaTek Dimensity 8400 |
|---|---|---|
| Architecture | 1x 2.7 GHz - Cortex-A763x 2.3 GHz - Cortex-A764x 2.1 GHz - Cortex-A55 | 1x 3.25 GHz - Cortex-A7253x 3 GHz - Cortex-A7254x 2.1 GHz - Cortex-A725 |
| CPU cores | 8 | 8 |
| Clock speed | 2700 MHz | 3250 MHz |
| Instruction set | ARMv8.2-A | ARMv9-A |
| Process technology | 6 nanometers | 4 nanometers |
Cache and memory
| Specification | Unisoc T820 | MediaTek Dimensity 8400 |
|---|---|---|
| L2 cache | Not available | 1 MB |
| L3 cache | Not available | 6 MB |
| Memory type | LPDDR4X | LPDDR5X |
| Memory frequency | 2133 MHz | 4266 MHz |
| Memory bus | 2x 16 Bit | 4x 16 Bit |
| Maximum bandwidth | 17.07 Gbit/s | 68.2 Gbit/s |
| Maximum memory | 32 GB | 24 GB |
Graphics and AI
| Specification | Unisoc T820 | MediaTek Dimensity 8400 |
|---|---|---|
| GPU | Mali-G57 MP4 | Mali-G720 MP7 |
| GPU architecture | Valhall 1st gen | Valhall 5th gen |
| GPU clock | 780 MHz | 1300 MHz |
| Shaders | 64 | 896 |
| FLOPS | 435.2 Gigaflops | 2329.6 Gigaflops |
| Vulkan | 1.3 | 1.3 |
| OpenCL | 2.0 | 3.2 |
| DirectX | Not available | 12 |
| Neural processor / NPU | Yes | MediaTek NPU 880 |
Display and media
| Specification | Unisoc T820 | MediaTek Dimensity 8400 |
|---|---|---|
| Maximum display resolution | 3440 x 1440 | Not available |
| Maximum camera resolution | 1x 108MP, 2x 20MP | 1x 320MP, 3x 32MP |
| Video capture | 4K at 60FPS | 4K at 60FPS |
| Video playback | 4K at 60FPS | 4K at 60FPS |
| Video codecs | - H.264 - H.265 | - H.264 - H.265 - AV1 - VP9 |
| Audio codecs | - AAC - AIFF - CAF - MP3 - MP4 - WAV | - AAC LC - FLAC - HE-AACv1 - HE-AACv2 - MP3 |
Connectivity
| Specification | Unisoc T820 | MediaTek Dimensity 8400 |
|---|---|---|
| 4G | LTE Cat. 15 | Not available |
| 5G | Yes | Yes |
| Download speed | Not available | Up to 5170 Mbps |
| Wi-Fi | 5 | 6 |
| Bluetooth | 5.0 | 6.0 |
| Navigation | GPS, GLONASS, Beidou, Galileo | GPS, GLONASS, Beidou, Galileo, QZSS, NAVIC |
General
| Specification | Unisoc T820 | MediaTek Dimensity 8400 |
|---|---|---|
| Release | November 2022 | December 2024 |
| Class | Mid range | Mid range |
| Model number | Not available | MT6899, MT6899Z |
| Storage support | eMMC 5.1, UFS 3.1 | UFS 4.0 |
Real devices
Phones using these processors
Examples found in the existing device catalogue.
Unisoc T820
No linked devices were found in the sampled legacy tables.
MediaTek Dimensity 8400
5G
Realme GT 7T
- Display
- AMOLED, 120 Hz, 1280 × 2800 pixels (6.80 inch…
- RAM
- 12 GB, 8 GB
- Storage
- 256 GB, 512 GB
- Battery
- Si-Car 7000 mAh
5G
Realme Neo7 SE
- Display
- LTPO AMOLED 1.07G colors, 120 Hz (6.78 inches)
- RAM
- 12 GB, 16 GB, 8 GB
- Storage
- 256 GB, 512 GB
- Battery
- Li-Po 7000 mAh
5G
Redmi Turbo 4
- Display
- OLED 68.7G colors, 120 Hz, 1220 × 2712 pixels…
- RAM
- 12 GB, 16 GB
- Storage
- 256 GB, 512 GB
- Battery
- Li-Po 6550 mAh
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