CPU A
MediaTek Helio G91
8 cores 2000 MHz 12 nanometers Mali-G52 MP2
Mobile processor comparison
MediaTek Helio G91 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
38
Different values
36
Quick factual highlights
MediaTek Helio G91
No safely comparable numerical advantage detected.
MediaTek Dimensity 9400
- Higher maximum CPU clock
- Smaller manufacturing process
- Higher listed GPU clock
CPU
| Specification | MediaTek Helio G91 | MediaTek Dimensity 9400 |
|---|---|---|
| Architecture | 2x 2 GHz - Cortex-A756x 1.8 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 | 2000 MHz | 3630 MHz |
| Instruction set | ARMv8.2-A | ARMv9.2-A |
| Process technology | 12 nanometers | 3 nanometers |
| TDP | 5 W | Not available |
Cache and memory
| Specification | MediaTek Helio G91 | MediaTek Dimensity 9400 |
|---|---|---|
| L2 cache | Not available | 12 MB |
| Memory type | LPDDR4X | LPDDR5X |
| Memory frequency | 1800 MHz | 5333 MHz |
| Memory bus | 2x 16 Bit | 4x 16 Bit |
| Maximum bandwidth | 13.41 Gbit/s | 85.4 Gbit/s |
| Maximum memory | 8 GB | 24 GB |
Graphics and AI
| Specification | MediaTek Helio G91 | MediaTek Dimensity 9400 |
|---|---|---|
| GPU | Mali-G52 MP2 | Mali-G925 Immortalis MP12 |
| GPU architecture | Bifrost 2nd gen | Valhall 5th gen |
| GPU clock | 1000 MHz | 1612 MHz |
| Shaders | 24 | 128 |
| FLOPS | 96 Gigaflops | 4952.1 Gigaflops |
| Vulkan | 1.3 | 1.3 |
| OpenCL | 2.0 | 3.0 |
| DirectX | Not available | 12.1 |
| Neural processor / NPU | MediaTek APU | MediaTek NPU 890 |
Display and media
| Specification | MediaTek Helio G91 | MediaTek Dimensity 9400 |
|---|---|---|
| Maximum display resolution | 2520 x 1080 | 3840 x 2160 |
| Maximum camera resolution | 1x 108MP, 2x 16MP | 1x 320MP |
| Video capture | 2K at 30FPS | 8K at 60FPS, 4K at 120FPS |
| Video playback | 2K at 30FPS | 8K at 60FPS, 4K at 120FPS |
| Video codecs | - H.264 - H.265 - VP9 | - H.264 - H.265 - AV1 - VP9 |
| Audio codecs | - AIFF - CAF - MP3 - MP4 - WAV | - AAC LC - FLAC - HE-AACv1 - HE-AACv2 - MP3 |
Connectivity
| Specification | MediaTek Helio G91 | MediaTek Dimensity 9400 |
|---|---|---|
| 4G | LTE Cat. 7 | LTE Cat. 24 |
| 5G | No | Yes |
| Download speed | Up to 300 Mbps | Not available |
| Upload speed | Up to 100 Mbps | Not available |
| Wi-Fi | 5 | 7 |
| Bluetooth | 5.4 | 6.0 |
| Navigation | GPS, GLONASS, Beidou, Galileo | GPS, GLONASS, Beidou, Galileo, QZSS, NAVIC |
General
| Specification | MediaTek Helio G91 | MediaTek Dimensity 9400 |
|---|---|---|
| Release | June 2024 | October 2024 |
| Class | Low end | Flagship |
| Model number | Not available | MT6991 |
| Storage support | eMMC 5.1, UFS 2.1 | UFS 4.0 |
Real devices
Phones using these processors
Examples found in the existing device catalogue.
MediaTek Helio G91
4G
Redmi 13 4G
- Display
- IPS TFT 16.7M colors, 90 Hz, 1080 × 2400 pixe…
- RAM
- 6 GB, 8 GB
- Storage
- 128 GB, 256 GB
- Battery
- Li-Ion 5030 mAh
4G
POCO M6 4G
- Display
- IPS TFT 16.7M colors, 90 Hz, 1080 × 2400 pixe…
- RAM
- 6 GB, 8 GB
- Storage
- 128 GB, 256 GB
- Battery
- Li-Ion 5030 mAh
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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