In depth comparison and review of UMIDIGI One Max and OPPO A15. Compare sizes, cameras, batteries, memory, and other important specifications and features to easily choose the right phone for you. Our goal is to help you uncover differences between the products and find the phone that will best fit your needs.
| DESIGN AND DIMENSIONS | UMIDIGI One Max | OPPO A15 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | - | CPH2185 | |
| Form Factor | Touch | Touch | |
| Height | 156.8 mm | 164 mm | OPPO A15 has greater height than UMIDIGI One Max. |
| Width | 75.6 mm | 75.4 mm | UMIDIGI One Max has greater width than OPPO A15. |
| Depth | 8.35 mm | 7.9 mm | OPPO A15 is narrower than UMIDIGI One Max. |
| Weight | 205 g | 175 g | OPPO A15 is lighter than UMIDIGI One Max. |
| Body Colour | Twilight | Dynamic black | |
| Body Material | Tempered glass, aluminium frame | - | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | - | 1.16 W/kg (body), 2.77 W/kg (limb), 0.92 W/kg (head) | |
| Connector Type | USB Type-C - 24 pin USB-C Headset jack - mini-phone 3.5mm |
Micro-USB Handset 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 | OPPO A15 |
|---|
| Display Type | LCD display | LCD display | |
|---|---|---|---|
| Display Technology | - | LCD | |
| Screen Size (Display Size) | 6.3" | 6.52" | OPPO A15 has larger screen size than UMIDIGI One Max. |
| Screen Resolution (Display Resolution) | 1520 x 720 pixels | 1600 x 720 pixels | OPPO A15 has better screen resolution than UMIDIGI One Max. |
| Display Format | - | HD+ | |
| Pixel Density | 271 ppi | 269 ppi | UMIDIGI One Max has better pixel density than OPPO A15. |
| Aspect Ratio | 19:9 | - | |
| Max Brightness | - | 480 cd/m² | |
| Contrast Ratio | - | 1500:1 | |
| Display Refresh Rate | - | 60 Hz | |
| Display Features | In-Cell Display Technology, Reading mode, Colour temperature adjustment | Dark mode, Waterdrop Screen |
| PROCESSOR | UMIDIGI One Max | OPPO A15 |
|---|
| Processor Type (CPU) | MediaTek Helio P23 | MediaTek Helio P35 | |
|---|---|---|---|
| Processor Number | - | MT6765 | |
| Clock Speed | 2 GHz | 2.3 GHz | OPPO A15 has higher clock speed than UMIDIGI One Max. |
| Processor Core Qty | 8-core | - | |
| 64-bit Architecture | Yes | - | UMIDIGI One Max has 64-bit architecture. |
| Graphics System (GPU) | Mali-G71 MP2 | IMG GE8320 |
| MEMORY | UMIDIGI One Max | OPPO A15 |
|---|
| RAM | LPDDR4X SDRAM - 4 GB | LPDDR4X SDRAM - 3 GB | UMIDIGI One Max has more RAM than OPPO A15. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 128 GB | 32 GB | UMIDIGI One Max has more internal memory than OPPO A15. |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 256 GB | microSDHC, microSD, microSDXC - up to 256 GB |
| CAMERA | UMIDIGI One Max | OPPO A15 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 2 | 3 | |
|---|---|---|---|
| Sensor Resolution | 12 Megapixel | 13 Megapixel | OPPO A15 has better camera resolution than UMIDIGI One Max. |
| Sensor Name | Omnivision OV12870 sensor | - | |
| Lens Aperture | F/2.0 | F/2.2 | UMIDIGI One Max has better lens aperture than UMIDIGI One Max. |
| Lens Construction | 6-element | 5-element | |
| Focus Adjustment | - | Automatic | |
| Special Effects | - | HDR, Portrait bokeh | |
| Camera Modes | Panorama | Panorama, Time-lapse mode, Slow motion mode, Expert Mode, Portrait, Night | |
| Face Recognition (Face ID) | Face recognition | - | UMIDIGI One Max has face detection. |
| Light Source | Dual LED flash | LED flash | |
| Video Resolutions | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps | - | |
| Camera Features (Functions) | Real-time photo filters | AI Triple camera, AI Scene Enhancement |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 5 Megapixel | 2 Megapixel | UMIDIGI One Max has better second camera resolution than OPPO A15. |
|---|---|---|---|
| Lens Aperture (2nd Camera) | - | F/2.4 | |
| Lens Element Qty (2nd Camera) | - | 3-element | |
| Camera Functions (2nd Camera) | - | Macro camera | |
| Camera Features (2nd Camera) | - | 4cm macro photography |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | - | 2 Megapixel | |
|---|---|---|---|
| Lens Aperture (3rd Camera) | - | F/2.4 | |
| Lens Element Qty (3rd Camera) | - | 3-element | |
| Camera Functions (3rd Camera) | - | Depth camera |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 16 Megapixel | 5 Megapixel | UMIDIGI One Max has better front camera resolution than OPPO A15. |
| Sensor Name (Front) | Samsung S5K3P3 | - | |
| Lens Aperture (Front) | F/2.0 | F/2.4 | UMIDIGI One Max has better front lens aperture than UMIDIGI One Max. |
| Lens Element Qty (Front) | 5-element | 3-element | |
| Face Recognition (Face ID) | Face recognition | - | UMIDIGI One Max has face detection. |
| Camera Features (Front) | Selfie countdown | AI beautification |
| BATTERY AND CHARGING | UMIDIGI One Max | OPPO A15 |
|---|
| Battery Capacity (Battery Size) | 4150 mAh | 4230 mAh | OPPO A15 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 | - |
| CELLULAR | UMIDIGI One Max | OPPO A15 |
|---|
| 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 | ColorOS 7.2 (based on Android 10) | |
| Navigation | GPS, GLONASS | GPS, A-GPS, GLONASS, BeiDou, Galileo |
| COMMUNICATIONS | UMIDIGI One Max | OPPO A15 |
|---|
| 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 5, Band 8 | |
| 3G UMTS Frequency | 2100, 1900, 1700, 850, 800, 900, 800 | 2100, 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 3, 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 1800+, 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 | Wi-Fi | |
| 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 | - |
| MEDIA | UMIDIGI One Max | OPPO A15 |
|---|
| Supported Digital Audio Standards | WAV, AAC, PCM, MP3, AAC +, eAAC+, APE (Monkey's Audio), AMR-WB, AMR-NB | AAC, apt-X, LDAC, SBC | |
|---|---|---|---|
| Supported Digital Video Standards | MKV, XviD, MPEG-4, M4V, ASP, H.264 AVC Main Profile (MP), H.264 AVC Baseline Profile(BP) | - |
| FEATURES | UMIDIGI One Max | OPPO A15 |
|---|
| 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 | - | |
| Security Devices | Face recognition, fingerprint reader (side) | Face recognition, fingerprint reader | |
| Security Technology | - | AI face unlock | |
| Additional Phone Features | Dual microphones | HyperBoost 2.1 |
| OTHERS | UMIDIGI One Max | OPPO A15 |
|---|
| Included Accessories | Power adapter, SIM card removal tool, USB-C cable, pre-installed screen protector, protective case | Protective cover, USB cable, power adapter, SIM card removal tool |
|---|
cs
sk
de
it
es
fr
hu
pt
ru
pl
br
ro
