CPU A
MediaTek Dimensity 9400
8 cores 3630 MHz 3 nanometers Mali-G925 Immortalis MP12
Mobile processor comparison
MediaTek Dimensity 9400 vs Unisoc T820
Compare available catalogue specifications. The page highlights factual differences without declaring an overall winner.
CPU B
Unisoc T820
8 cores 2700 MHz 6 nanometers Mali-G57 MP4
Compared fields
35
Different values
32
Quick factual highlights
MediaTek Dimensity 9400
- Higher maximum CPU clock
- Smaller manufacturing process
- Higher listed GPU clock
Unisoc T820
No safely comparable numerical advantage detected.
CPU
| Specification | MediaTek Dimensity 9400 | Unisoc T820 |
|---|---|---|
| Architecture | 1x 3.63 GHz - Cortex-X9253x 3.3 GHz - Cortex-X44x 2.4 GHz - Cortex-A720 | 1x 2.7 GHz - Cortex-A763x 2.3 GHz - Cortex-A764x 2.1 GHz - Cortex-A55 |
| CPU cores | 8 | 8 |
| Clock speed | 3630 MHz | 2700 MHz |
| Instruction set | ARMv9.2-A | ARMv8.2-A |
| Process technology | 3 nanometers | 6 nanometers |
Cache and memory
| Specification | MediaTek Dimensity 9400 | Unisoc T820 |
|---|---|---|
| L2 cache | 12 MB | Not available |
| Memory type | LPDDR5X | LPDDR4X |
| Memory frequency | 5333 MHz | 2133 MHz |
| Memory bus | 4x 16 Bit | 2x 16 Bit |
| Maximum bandwidth | 85.4 Gbit/s | 17.07 Gbit/s |
| Maximum memory | 24 GB | 32 GB |
Graphics and AI
| Specification | MediaTek Dimensity 9400 | Unisoc T820 |
|---|---|---|
| GPU | Mali-G925 Immortalis MP12 | Mali-G57 MP4 |
| GPU architecture | Valhall 5th gen | Valhall 1st gen |
| GPU clock | 1612 MHz | 780 MHz |
| Shaders | 128 | 64 |
| FLOPS | 4952.1 Gigaflops | 435.2 Gigaflops |
| Vulkan | 1.3 | 1.3 |
| OpenCL | 3.0 | 2.0 |
| DirectX | 12.1 | Not available |
| Neural processor / NPU | MediaTek NPU 890 | Yes |
Display and media
| Specification | MediaTek Dimensity 9400 | Unisoc T820 |
|---|---|---|
| Maximum display resolution | 3840 x 2160 | 3440 x 1440 |
| Maximum camera resolution | 1x 320MP | 1x 108MP, 2x 20MP |
| Video capture | 8K at 60FPS, 4K at 120FPS | 4K at 60FPS |
| Video playback | 8K at 60FPS, 4K at 120FPS | 4K at 60FPS |
| Video codecs | - H.264 - H.265 - AV1 - VP9 | - H.264 - H.265 |
| Audio codecs | - AAC LC - FLAC - HE-AACv1 - HE-AACv2 - MP3 | - AAC - AIFF - CAF - MP3 - MP4 - WAV |
Connectivity
| Specification | MediaTek Dimensity 9400 | Unisoc T820 |
|---|---|---|
| 4G | LTE Cat. 24 | LTE Cat. 15 |
| 5G | Yes | Yes |
| Wi-Fi | 7 | 5 |
| Bluetooth | 6.0 | 5.0 |
| Navigation | GPS, GLONASS, Beidou, Galileo, QZSS, NAVIC | GPS, GLONASS, Beidou, Galileo |
General
| Specification | MediaTek Dimensity 9400 | Unisoc T820 |
|---|---|---|
| Release | October 2024 | November 2022 |
| Class | Flagship | Mid range |
| Model number | MT6991 | Not available |
| Storage support | UFS 4.0 | eMMC 5.1, UFS 3.1 |
Real devices
Phones using these processors
Examples found in the existing device catalogue.
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
Unisoc T820
No linked devices were found in the sampled legacy tables.
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