Detailed comparison and review of UMIDIGI One Max and Xiaomi Redmi 9A. With our comprehensive overview, you can simply compare sizes, functions, but also other key features of both phones and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the phone that best fits your needs and expectations.
| DESIGN AND DIMENSIONS | UMIDIGI One Max | Xiaomi Redmi 9A |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Form Factor | Touch | Touch | |
| Height | 156.8 mm | 164.9 mm | Xiaomi Redmi 9A has greater height than UMIDIGI One Max. |
| Width | 75.6 mm | 77.07 mm | Xiaomi Redmi 9A has greater width than UMIDIGI One Max. |
| Depth | 8.35 mm | 9 mm | UMIDIGI One Max is narrower than UMIDIGI One Max. |
| Weight | 205 g | 196 g | Xiaomi Redmi 9A is lighter than UMIDIGI One Max. |
| Body Colour | Twilight | Sky blue | Granite grey | |
| Body Material | Tempered glass, aluminium frame | - | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | - | 0.398 W/kg (head), 1.186 W/kg (body), 2.526 W/kg (limb) | |
| Integrated Components | - | FM radio | |
| Connector Type | USB Type-C - 24 pin USB-C Headset jack - mini-phone 3.5mm |
Micro-USB - 5 pin Micro-USB Type B Headset jack - mini-phone 3.5mm |
|
| SIM Card Type (Size) | Nano SIM | Nano SIM | |
| SIM Card Qty | Dual-SIM | Dual-SIM | |
| SIM Card Configuration Details | Nano SIM + nano SIM/microSD | - |
| DISPLAY | UMIDIGI One Max | Xiaomi Redmi 9A |
|---|
| Display Type | LCD display | - | |
|---|---|---|---|
| Screen Size (Display Size) | 6.3" | 6.53" | Xiaomi Redmi 9A has larger screen size than UMIDIGI One Max. |
| Screen Resolution (Display Resolution) | 1520 x 720 pixels | 1600 x 720 pixels | Xiaomi Redmi 9A has better screen resolution than UMIDIGI One Max. |
| Display Format | - | HD+ | |
| Pixel Density | 271 ppi | - | |
| Aspect Ratio | 19:9 | 20:9 | |
| Max Brightness | - | 400 cd/m² | |
| Contrast Ratio | - | 1500:1 | |
| Display Enhancement Technology | - | Blue light filter, Sunlight mode | |
| Display Features | In-Cell Display Technology, Reading mode, Colour temperature adjustment | Reading mode, Colour temperature adjustment, Dot Drop display |
| PROCESSOR | UMIDIGI One Max | Xiaomi Redmi 9A |
|---|
| Processor Type (CPU) | MediaTek Helio P23 | MediaTek Helio G25 | |
|---|---|---|---|
| Clock Speed | 2 GHz | 2 GHz | Both phones have the same clock speed. |
| Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
| 64-bit Architecture | Yes | Yes | Both phones have 64-bit architecture. |
| Graphics System (GPU) | Mali-G71 MP2 | PowerVR GE8320 |
| MEMORY | UMIDIGI One Max | Xiaomi Redmi 9A |
|---|
| RAM | LPDDR4X SDRAM - 4 GB | LPDDR4X SDRAM - 2 GB | UMIDIGI One Max has more RAM than Xiaomi Redmi 9A. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 128 GB | 32 GB | UMIDIGI One Max has more internal memory than Xiaomi Redmi 9A. |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 256 GB | microSD |
| CAMERA | UMIDIGI One Max | Xiaomi Redmi 9A |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 2 | 1 | |
|---|---|---|---|
| Sensor Resolution | 12 Megapixel | 13 Megapixel | Xiaomi Redmi 9A has better camera resolution than UMIDIGI One Max. |
| Sensor Name | Omnivision OV12870 sensor | - | |
| Lens Aperture | F/2.0 | - | |
| Lens Construction | 6-element | - | |
| Focus Adjustment | - | Automatic | |
| Special Effects | - | HDR, Kaleidoscope | |
| Camera Modes | Panorama | AI portrait mode, AI Beautify 5.0 | |
| Face Recognition (Face ID) | Face recognition | Face recognition | Both phones have face detection. |
| Light Source | Dual LED flash | Single tone LED flash | |
| Video Resolutions | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps | 1920 x 1080 (1080p) at 30 fps, 1920 x 1080 (1080p) at 60 fps, 1280 x 720 (720p) at 30 fps | |
| Camera Features (Functions) | Real-time photo filters | Phase Detect Auto-Focus (PDAF), AI scene detection |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 5 Megapixel | - |
|---|
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 16 Megapixel | 5 Megapixel | UMIDIGI One Max has better front camera resolution than Xiaomi Redmi 9A. |
| Sensor Name (Front) | Samsung S5K3P3 | - | |
| Lens Aperture (Front) | F/2.0 | F/2.2 | UMIDIGI One Max has better front lens aperture than UMIDIGI One Max. |
| Lens Element Qty (Front) | 5-element | - | |
| Pixel Size (Front) | - | 1.12 μm | |
| Special Effects (Front) | - | HDR | |
| Camera Modes (Front) | - | AI portrait mode, Portrait, AI Beautify 5.0 | |
| Face Recognition (Face ID) | Face recognition | Face recognition | Both phones have face detection. |
| Light Source (Front) | - | Display flash | |
| Camera Features (Front) | Selfie countdown | Self-timer, Palm shutter |
| BATTERY AND CHARGING | UMIDIGI One Max | Xiaomi Redmi 9A |
|---|
| Battery Capacity (Battery Size) | 4150 mAh | 5000 mAh | Xiaomi Redmi 9A has larger battery capacity than UMIDIGI One Max. |
|---|---|---|---|
| Wireless Charging | Yes | - | UMIDIGI One Max can be charged wirelessly. |
| Wireless Charging Standards | Qi, Fast Wireless Charging | - | |
| Standby Time | - | 816 hours | |
| Talk Time | - | 2280 minutes | |
| Run Time Details | - | Standby: up to 816 hrs Playback (audio): up to 168 hrs Talk: up to 2280 min Playback (video): up to 19 hrs Gaming: up to 14 hrs |
| CELLULAR | UMIDIGI One Max | Xiaomi Redmi 9A |
|---|
| Technology | CDMA2000 1X / GSM / WCDMA (UMTS) | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
| Operating System | Android 8.1.0 Oreo | - | |
| Navigation | GPS, GLONASS | GPS, A-GPS, GLONASS, BeiDou |
| COMMUNICATIONS | UMIDIGI One Max | Xiaomi Redmi 9A |
|---|
| Data Transmission | GPRS, EDGE, EV-DO, HSDPA, HSUPA, HSPA+, VoLTE, FDD-LTE, TDD-LTE | FDD-LTE, TDD-LTE | |
|---|---|---|---|
| 2G Band | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM, 800 CDMA2000 1X, 1900 CDMA2000 1X | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | |
| 3G UMTS Band | Band 1, Band 2, Band 4, Band 5, Band 6, Band 8, Band 19 | Band 1, Band 2, Band 4, Band 5, Band 8 | |
| 3G UMTS Frequency | 2100, 1900, 1700, 850, 800, 900, 800 | 2100, 1900, 1700, 850, 900 | |
| 4G LTE Band | Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 12, Band 13, Band 17, Band 18, Band 19, Band 20, Band 25, Band 26, Band 28, Band 34, Band 38, Band 39, Band 40, Band 41 | Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 20, Band 28, Band 38, Band 40, Band 41 | |
| 4G LTE Frequency | FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 700a, FDD 700c, FDD 700b, FDD 800 lower, FDD 800 upper, FDD 800 DD, FDD 1900+, FDD 850+, FDD 700 APT, TDD 2000, TDD 2600, TDD 1900, TDD 2300, TDD 2500 | FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 800 DD, FDD 700 APT, TDD 2600, TDD 2300, TDD 2500 | |
| Wireless Interface | IEEE 802.11a/b/g/n | IEEE 802.11b/g/n | |
| Bluetooth | Bluetooth 4.1 | Bluetooth 5.0 | |
| Bluetooth Profiles | HID | - | |
| NFC | Yes | - | UMIDIGI One Max has NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | UMIDIGI One Max | Xiaomi Redmi 9A |
|---|
| Supported Digital Audio Standards | WAV, AAC, PCM, MP3, AAC +, eAAC+, APE (Monkey's Audio), AMR-WB, AMR-NB | AAC, PCM, MP3, FLAC, AAC +, eAAC+, APE (Monkey's Audio), AMR-WB, AMR-NB | |
|---|---|---|---|
| Supported Digital Video Standards | MKV, XviD, MPEG-4, M4V, ASP, H.264 AVC Main Profile (MP), H.264 AVC Baseline Profile(BP) | MKV, MPEG4-ASP, MPEG-4 SP, H.264 BP, H.264 MP, H.264 HP | |
| Sound Enhancements | - | 0.64cc Sound Chamber |
| FEATURES | UMIDIGI One Max | Xiaomi Redmi 9A |
|---|
| Phone Functions | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | |
|---|---|---|---|
| Sensors | Accelerometer, gyro sensor, geomagnetic sensor, L-sensor, P-sensor | Accelerometer, ambient light sensor, distance sensor | |
| Security Devices | Face recognition, fingerprint reader (side) | Face recognition | |
| Additional Phone Features | Dual microphones | AI face unlock, HyperEngine technology |
| OTHERS | UMIDIGI One Max | Xiaomi Redmi 9A |
|---|
| Included Accessories | Power adapter, SIM card removal tool, USB-C cable, pre-installed screen protector, protective case | USB cable, SIM card removal tool, 10W charger |
|---|
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