CPU A
Unisoc T820
8 cores 2700 MHz 6 nanometers Mali-G57 MP4
Mobile processor comparison
Unisoc T820 vs MediaTek Dimensity 9400
Compare available catalogue specifications. The page highlights factual differences without declaring an overall winner.
CPU B
MediaTek Dimensity 9400
8 cores 3630 MHz 3 nanometers Mali-G925 Immortalis MP12
Compared fields
35
Different values
32
Quick factual highlights
Unisoc T820
No safely comparable numerical advantage detected.
MediaTek Dimensity 9400
- Higher maximum CPU clock
- Smaller manufacturing process
- Higher listed GPU clock
CPU
| Specification | Unisoc T820 | MediaTek Dimensity 9400 |
|---|---|---|
| Architecture | 1x 2.7 GHz - Cortex-A763x 2.3 GHz - Cortex-A764x 2.1 GHz - Cortex-A55 | 1x 3.63 GHz - Cortex-X9253x 3.3 GHz - Cortex-X44x 2.4 GHz - Cortex-A720 |
| CPU cores | 8 | 8 |
| Clock speed | 2700 MHz | 3630 MHz |
| Instruction set | ARMv8.2-A | ARMv9.2-A |
| Process technology | 6 nanometers | 3 nanometers |
Cache and memory
| Specification | Unisoc T820 | MediaTek Dimensity 9400 |
|---|---|---|
| L2 cache | Not available | 12 MB |
| Memory type | LPDDR4X | LPDDR5X |
| Memory frequency | 2133 MHz | 5333 MHz |
| Memory bus | 2x 16 Bit | 4x 16 Bit |
| Maximum bandwidth | 17.07 Gbit/s | 85.4 Gbit/s |
| Maximum memory | 32 GB | 24 GB |
Graphics and AI
| Specification | Unisoc T820 | MediaTek Dimensity 9400 |
|---|---|---|
| GPU | Mali-G57 MP4 | Mali-G925 Immortalis MP12 |
| GPU architecture | Valhall 1st gen | Valhall 5th gen |
| GPU clock | 780 MHz | 1612 MHz |
| Shaders | 64 | 128 |
| FLOPS | 435.2 Gigaflops | 4952.1 Gigaflops |
| Vulkan | 1.3 | 1.3 |
| OpenCL | 2.0 | 3.0 |
| DirectX | Not available | 12.1 |
| Neural processor / NPU | Yes | MediaTek NPU 890 |
Display and media
| Specification | Unisoc T820 | MediaTek Dimensity 9400 |
|---|---|---|
| Maximum display resolution | 3440 x 1440 | 3840 x 2160 |
| Maximum camera resolution | 1x 108MP, 2x 20MP | 1x 320MP |
| Video capture | 4K at 60FPS | 8K at 60FPS, 4K at 120FPS |
| Video playback | 4K at 60FPS | 8K at 60FPS, 4K at 120FPS |
| 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 9400 |
|---|---|---|
| 4G | LTE Cat. 15 | LTE Cat. 24 |
| 5G | Yes | Yes |
| Wi-Fi | 5 | 7 |
| Bluetooth | 5.0 | 6.0 |
| Navigation | GPS, GLONASS, Beidou, Galileo | GPS, GLONASS, Beidou, Galileo, QZSS, NAVIC |
General
| Specification | Unisoc T820 | MediaTek Dimensity 9400 |
|---|---|---|
| Release | November 2022 | October 2024 |
| Class | Mid range | Flagship |
| Model number | Not available | MT6991 |
| 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 9400
5G
Oppo Find X8s
- Display
- LTPO AMOLED 1.07G colors, 120 Hz, 1216 × 2640…
- RAM
- 12 GB, 16 GB
- Storage
- 1000 GB, 256 GB, 512 GB
- Battery
- Li-Po 5700 mAh
5G
Oppo Find X8 Pro
- Display
- LTPO AMOLED 1.07G colors, 120 Hz, 1264 × 2780…
- RAM
- 12 GB, 16 GB
- Storage
- 1000 GB, 256 GB, 512 GB
- Battery
- Si-Car 5910 mAh
5G
Oppo Find X8
- Display
- LTPO AMOLED 1.07G colors, 120 Hz, 1256 × 2760…
- RAM
- 12 GB, 16 GB
- Storage
- 1000 GB, 256 GB, 512 GB
- Battery
- Li-Po 5630 mAh
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