In depth comparison and review of Xiaomi Redmi 7 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 | Xiaomi Redmi 7 | OPPO A15 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | - | CPH2185 | |
| Form Factor | Touch | Touch | |
| Height | 158.73 mm | 164 mm | OPPO A15 has greater height than Xiaomi Redmi 7. |
| Width | 75.58 mm | 75.4 mm | Xiaomi Redmi 7 has greater width than OPPO A15. |
| Depth | 8.47 mm | 7.9 mm | OPPO A15 is narrower than Xiaomi Redmi 7. |
| Weight | 180 g | 175 g | OPPO A15 is lighter than Xiaomi Redmi 7. |
| Body Colour | Comet blue | Dynamic black | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 1.251 W/kg (body), 0.577 W/kg (head), 2.98 W/kg (limb) | 1.16 W/kg (body), 2.77 W/kg (limb), 0.92 W/kg (head) | |
| Connector Type | Micro-USB - 5 pin Micro-USB Type B 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 |
| DISPLAY | Xiaomi Redmi 7 | OPPO A15 |
|---|
| Display Type | LCD display | LCD display | |
|---|---|---|---|
| Display Technology | - | LCD | |
| Screen Size (Display Size) | 6.26" | 6.52" | OPPO A15 has larger screen size than Xiaomi Redmi 7. |
| Screen Resolution (Display Resolution) | 1520 x 720 pixels | 1600 x 720 pixels | OPPO A15 has better screen resolution than Xiaomi Redmi 7. |
| Display Format | HD+ | HD+ | |
| Pixel Density | 269 ppi | 269 ppi | Both phones have the same pixel density. |
| Aspect Ratio | 19:9 | - | |
| Max Brightness | 450 cd/m² | 480 cd/m² | OPPO A15 has better display brightness than Xiaomi Redmi 7. |
| Contrast Ratio | 1500:1 | 1500:1 | Both phones have the same display contrast ratio. |
| Display Enhancement Technology | Sunlight mode | - | |
| Display Refresh Rate | - | 60 Hz | |
| Display Features | Reading mode, Colour temperature adjustment, Dot Drop display | Dark mode, Waterdrop Screen | |
| Display Protection (Screen Protector) | Corning Gorilla Glass 5 (scratch resistant glass) | - |
| PROCESSOR | Xiaomi Redmi 7 | OPPO A15 |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 632 | MediaTek Helio P35 | |
|---|---|---|---|
| Processor Number | - | MT6765 | |
| Clock Speed | 1.8 GHz | 2.3 GHz | OPPO A15 has higher clock speed than Xiaomi Redmi 7. |
| Processor Core Qty | 8-core | - | |
| 64-bit Architecture | Yes | - | Xiaomi Redmi 7 has 64-bit architecture. |
| Graphics System (GPU) | Qualcomm ADRENO 506 | IMG GE8320 |
| MEMORY | Xiaomi Redmi 7 | OPPO A15 |
|---|
| RAM | LPDDR3 SDRAM - 2 GB | LPDDR4X SDRAM - 3 GB | OPPO A15 has more RAM than Xiaomi Redmi 7. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 16 GB | 32 GB | OPPO A15 has more internal memory than Xiaomi Redmi 7. |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 512 GB | microSDHC, microSD, microSDXC - up to 256 GB |
| CAMERA | Xiaomi Redmi 7 | OPPO A15 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 2 | 3 | |
|---|---|---|---|
| Sensor Resolution | 12 Megapixel | 13 Megapixel | OPPO A15 has better camera resolution than Xiaomi Redmi 7. |
| Lens Aperture | F/2.2 | F/2.2 | Both phones have the same camera lens aperture. |
| Lens Construction | - | 5-element | |
| Pixel Size | 1.25 μm | - | |
| Focus Adjustment | Automatic | Automatic | |
| Special Effects | HDR | HDR, Portrait bokeh | |
| Camera Modes | AI portrait mode, AI Beautify 4.0 | Panorama, Time-lapse mode, Slow motion mode, Expert Mode, Portrait, Night | |
| Face Recognition (Face ID) | Face recognition | - | Xiaomi Redmi 7 has face detection. |
| Light Source | LED flash | LED flash | |
| Video Resolutions | 1920 x 1080 (1080p) at 30 fps, 1920 x 1080 (1080p) at 60 fps, 1280 x 720 (720p) at 30 fps, 1280 x 720 (720p) at 120 fps | - | |
| Camera Features (Functions) | AI Dual camera, AI scene detection, 27 different scenes | AI Triple camera, AI Scene Enhancement |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 2 Megapixel | 2 Megapixel | Both phones have the same second camera resolution. |
|---|---|---|---|
| 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) | 8 Megapixel | 5 Megapixel | Xiaomi Redmi 7 has better front camera resolution than OPPO A15. |
| Lens Aperture (Front) | F/2.0 | F/2.4 | Xiaomi Redmi 7 has better front lens aperture than Xiaomi Redmi 7. |
| Lens Element Qty (Front) | - | 3-element | |
| Pixel Size (Front) | 1.12 μm | - | |
| Special Effects (Front) | HDR | - | |
| Camera Modes (Front) | AI portrait mode, AI Beautify 4.0 | - | |
| Face Recognition (Face ID) | Face recognition | - | Xiaomi Redmi 7 has face detection. |
| Light Source (Front) | Display flash | - | |
| Camera Features (Front) | Selfie countdown | AI beautification |
| BATTERY AND CHARGING | Xiaomi Redmi 7 | OPPO A15 |
|---|
| Battery Capacity (Battery Size) | 4000 mAh | 4230 mAh | OPPO A15 has larger battery capacity than Xiaomi Redmi 7. |
|---|
| CELLULAR | Xiaomi Redmi 7 | OPPO A15 |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
| Operating System | - | ColorOS 7.2 (based on Android 10) | |
| Navigation | GPS, GLONASS, BeiDou, Galileo, QZSS | GPS, A-GPS, GLONASS, BeiDou, Galileo |
| COMMUNICATIONS | Xiaomi Redmi 7 | OPPO A15 |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, VoLTE, FDD-LTE, TDD-LTE | FDD-LTE, TDD-LTE | |
|---|---|---|---|
| 2G Band | 850 GSM, 900 GSM, 1900 GSM, 2100 GSM | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | |
| 3G UMTS Band | Band 1, Band 2, Band 4, Band 5, Band 8 | Band 1, Band 5, Band 8 | |
| 3G UMTS Frequency | 2100, 1900, 1700, 850, 900 | 2100, 850, 900 | |
| 4G LTE Band | Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 20, Band 38, Band 40 | 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 800 DD, TDD 2600, TDD 2300 | FDD 2100, FDD 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD, FDD 700 APT, TDD 2600, TDD 2300, TDD 2500 | |
| Wireless Interface | Infrared (IrDA), IEEE 802.11b/g/n | Wi-Fi | |
| Bluetooth | Bluetooth 4.2 | Bluetooth 5.0 | |
| Messaging Services | SMS, MMS | - |
| MEDIA | Xiaomi Redmi 7 | OPPO A15 |
|---|
| Supported Digital Audio Standards | AAC, PCM, MP3, FLAC, AAC +, eAAC+, APE (Monkey's Audio), apt-X, AMR-WB, AMR-NB, SBC, apt-X HD | AAC, apt-X, LDAC, SBC | |
|---|---|---|---|
| Supported Digital Video Standards | MKV, MPEG-4, H.264, M4V | - |
| FEATURES | Xiaomi Redmi 7 | 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, ambient light sensor, digital compass, distance sensor | - | |
| Security Devices | Fingerprint reader | Face recognition, fingerprint reader | |
| Security Technology | - | AI face unlock | |
| Additional Phone Features | Infrared remote control | HyperBoost 2.1 |
| OTHERS | Xiaomi Redmi 7 | OPPO A15 |
|---|
| Included Accessories | Protective cover, USB cable, power adapter, SIM card removal tool | Protective cover, USB cable, power adapter, SIM card removal tool |
|---|
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