Side by side comparison and review of UMIDIGI One Max and Fairphone 4. Compare sizes, cameras, batteries, memory capacities and other key specifications and features to simplify the choice of your perfect phone. Our goal is to make it easier for you to decide on the phone that will best meet your expectations by revealing the main differences between the products.
| DESIGN AND DIMENSIONS | UMIDIGI One Max | Fairphone 4 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Form Factor | Touch | Touch | |
| Height | 156.8 mm | 162 mm | Fairphone 4 has greater height than UMIDIGI One Max. |
| Width | 75.6 mm | 75.5 mm | UMIDIGI One Max has greater width than Fairphone 4. |
| Depth | 8.35 mm | 10.5 mm | UMIDIGI One Max is narrower than UMIDIGI One Max. |
| Weight | 205 g | 225 g | UMIDIGI One Max is lighter than UMIDIGI One Max. |
| Body Colour | Twilight | Grey | |
| Body Material | Tempered glass, aluminium frame | - | |
| Waterproof (Water-resistant) | - | - | |
| IP rating | - | IP54 | |
| SAR Value | - | 0.494 W/kg (head), 0.993 W/kg (body), 2.916 W/kg (limb) | |
| Connector Type | USB Type-C - 24 pin USB-C Headset jack - mini-phone 3.5mm |
USB Type-C - 24 pin USB-C | |
| SIM Card Type (Size) | Nano SIM | Nano SIM, Electronic SIM card (e-SIM) | |
| SIM Card Qty | Dual-SIM | Dual-SIM | |
| SIM Card Configuration Details | Nano SIM + nano SIM/microSD | - |
| DISPLAY | UMIDIGI One Max | Fairphone 4 |
|---|
| Display Type | LCD display | LCD display | |
|---|---|---|---|
| Display Technology | - | IPS | |
| Screen Size (Display Size) | 6.3" | 6.3" | Both phones have the same screen size. |
| Screen Resolution (Display Resolution) | 1520 x 720 pixels | 2340 x 1080 pixels | Fairphone 4 has better screen resolution than UMIDIGI One Max. |
| Display Format | - | Full HD+ | |
| Pixel Density | 271 ppi | 410 ppi | Fairphone 4 has better pixel density than UMIDIGI One Max. |
| Aspect Ratio | 19:9 | 19.5:9 | |
| Colour Depth | - | 16.7 million colours | |
| Display Features | In-Cell Display Technology, Reading mode, Colour temperature adjustment | Full Lamination, Pixelworks technology | |
| Display Protection (Screen Protector) | - | Corning Gorilla Glass 5 (scratch resistant glass) |
| PROCESSOR | UMIDIGI One Max | Fairphone 4 |
|---|
| Processor Type (CPU) | MediaTek Helio P23 | Qualcomm Snapdragon 750G | |
|---|---|---|---|
| Processor Number | - | SM7225 | |
| Clock Speed | 2 GHz | 2.2 GHz | Fairphone 4 has higher clock speed than UMIDIGI One Max. |
| Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
| 64-bit Architecture | Yes | - | UMIDIGI One Max has 64-bit architecture. |
| Graphics System (GPU) | Mali-G71 MP2 | Qualcomm ADRENO 619 |
| MEMORY | UMIDIGI One Max | Fairphone 4 |
|---|
| RAM | LPDDR4X SDRAM - 4 GB | 6 GB | Fairphone 4 has more RAM than UMIDIGI One Max. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 128 GB | 128 GB | Both phones have the same internal memory capacity. |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 256 GB | microSDHC, microSD, microSDXC - up to 2 TB |
| CAMERA | UMIDIGI One Max | Fairphone 4 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 2 | 2 | |
|---|---|---|---|
| Sensor Resolution | 12 Megapixel | 48 Megapixel | Fairphone 4 has better camera resolution than UMIDIGI One Max. |
| Sensor Size | - | 1/2" | |
| Sensor Name | Omnivision OV12870 sensor | Sony Exmor RS IMX582 sensor | |
| Lens Aperture | F/2.0 | F/1.6 | Fairphone 4 has better lens aperture than UMIDIGI One Max. |
| Lens Construction | 6-element | - | |
| Pixel Size | - | 0.8 μm | |
| Optical Image Stabiliser (OIS) | - | Optical Image Stabiliser (OIS) | Fairphone 4 has optical stabilisation. |
| Focus Adjustment | - | Automatic | |
| Digital Zoom | - | 8x | |
| Special Effects | - | HDR | |
| Camera Modes | Panorama | Slow motion video, Pro mode, night mode | |
| Face Recognition (Face ID) | Face recognition | - | UMIDIGI One Max has face detection. |
| Light Source | Dual LED flash | Dual LED flash | |
| Still Image Resolutions | - | 8000 x 6000 | |
| 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, 3840 x 2160 (4K) at 30 fps, 4000 x 3000 (4K UHD) | |
| Camera Features (Functions) | Real-time photo filters | Laser detection auto focus (LDAF), TOF sensor, colour sensor |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 5 Megapixel | 48 Megapixel | Fairphone 4 has better second camera resolution than UMIDIGI One Max. |
|---|---|---|---|
| Lens Type (2nd Camera) | - | Ultra wide-angle lens | |
| Lens Aperture (2nd Camera) | - | F/2.2 | |
| Field of View (2nd Camera) | - | 120 degree(s) | |
| Pixel Size (2nd Camera) | - | 0.8 μm | |
| Camera Functions (2nd Camera) | - | Macro focus | |
| Still Image Resolutions | - | 8000 x 6000 |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 16 Megapixel | 25 Megapixel | Fairphone 4 has better front camera resolution than UMIDIGI One Max. |
| Sensor Size (Front) | - | 1/2.78" | |
| Sensor Name (Front) | Samsung S5K3P3 | Sony Exmor RS IMX576 sensor | |
| 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 | - | |
| Focus Adjustment | - | Focus free | |
| Special Effects (Front) | - | HDR | |
| Face Recognition (Face ID) | Face recognition | - | UMIDIGI One Max has face detection. |
| Video Resolutions (Front) | - | 1920 x 1080 (1080p) at 30 fps | |
| Camera Features (Front) | Selfie countdown | Up to 8x digital zoom, digital image stabilisation, ToF sensor, colour sensor |
| BATTERY AND CHARGING | UMIDIGI One Max | Fairphone 4 |
|---|
| Battery Capacity (Battery Size) | 4150 mAh | 3905 mAh | UMIDIGI One Max has larger battery capacity than Fairphone 4. |
|---|---|---|---|
| Wireless Charging | Yes | - | UMIDIGI One Max can be charged wirelessly. |
| Wireless Charging Standards | Qi, Fast Wireless Charging | - | |
| Standby Time | - | 200 hours | |
| Talk Time | - | 780 minutes | |
| Run Time Details | - | Talk: up to 780 min Standby: up to 200 hrs |
|
| Battery Technology | - | Lithium Ion |
| CELLULAR | UMIDIGI One Max | Fairphone 4 |
|---|
| Technology | CDMA2000 1X / GSM / WCDMA (UMTS) | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 5G | Fairphone 4 has more advanced generation mobile network. |
| Operating System | Android 8.1.0 Oreo | Android 11 | |
| Navigation | GPS, GLONASS | GPS, A-GPS, GLONASS, BeiDou, Galileo, GNSS |
| COMMUNICATIONS | UMIDIGI One Max | Fairphone 4 |
|---|
| Data Transmission | GPRS, EDGE, EV-DO, HSDPA, HSUPA, HSPA+, VoLTE, FDD-LTE, TDD-LTE | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE, VoLTE, VoWiFi, 5G NR | |
|---|---|---|---|
| 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 12, Band 18, Band 19, Band 20, Band 28, Band 32, Band 38, Band 40, Band 41, Band 71 | |
| 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 700a, FDD 800 lower, FDD 800 upper, FDD 800 DD, FDD 700 APT, FDD 1500 L, TDD 2600, TDD 2300, TDD 2500, FDD 600 | |
| 5G NR Band | - | N1, n3, n5, n7, n8, n20, n28, n38, n41, n71, n77, n78 | |
| 5G NR Frequency | - | FDD 2100, FDD 1800, FDD 850, FDD 2600, FDD 900, FDD 800, FDD 700APT, TDD TD 2600, TDD TD 2500, FDD 600, TDD TD 3700, TDD TD 3500 | |
| Wireless Interface | IEEE 802.11a/b/g/n | IEEE 802.11a/b/g/n/ac | |
| Bluetooth | Bluetooth 4.1 | Bluetooth 5.1 LE | |
| Bluetooth Profiles | HID | - | |
| NFC | Yes | Yes | Both phones have an NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | - |
| MEDIA | UMIDIGI One Max | Fairphone 4 |
|---|
| Supported Digital Audio Standards | WAV, AAC, PCM, MP3, AAC +, eAAC+, APE (Monkey's Audio), AMR-WB, AMR-NB | WAV, AAC, AIFF, MP3, FLAC, AAC +, eAAC+, ALAC, OPUS, AMR-WB, AMR-NB, Vorbis, AAC-ELD | |
|---|---|---|---|
| Supported Digital Video Standards | MKV, XviD, MPEG-4, M4V, ASP, H.264 AVC Main Profile (MP), H.264 AVC Baseline Profile(BP) | XviD, DivX, MPEG-2, H.264, H.263, HEVC, VP9 |
| FEATURES | UMIDIGI One Max | Fairphone 4 |
|---|
| Phone Functions | 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, proximity sensor, digital compass, gyro sensor | |
| Security Devices | Face recognition, fingerprint reader (side) | Fingerprint reader (side) | |
| Additional Phone Features | Dual microphones | MIMO technology, modular and repairable design, recycled and fair materials |
| OTHERS | UMIDIGI One Max | Fairphone 4 |
|---|
| Included Accessories | Power adapter, SIM card removal tool, USB-C cable, pre-installed screen protector, protective case | - | |
|---|---|---|---|
| Compliant Standards | - | MIL-STD 810G, IP54 |
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