In depth comparison and review of OPPO R9s and Xiaomi Redmi 7A. 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 | OPPO R9s | Xiaomi Redmi 7A |
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Product Type | Smartphone | Smartphone | |
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Form Factor | Touch | Touch | |
Height | 153 mm | 146.3 mm | OPPO R9s has greater height than Xiaomi Redmi 7A. |
Width | 74.3 mm | 70.41 mm | OPPO R9s has greater width than Xiaomi Redmi 7A. |
Depth | 6.58 mm | 9.55 mm | OPPO R9s is narrower than OPPO R9s. |
Weight | 145 g | 165 g | OPPO R9s is lighter than OPPO R9s. |
Body Colour | Red | Black | Rose gold | Gold | Matte black | |
Protection | - | Splashproof | |
Waterproof (Water-resistant) | - | - | |
SAR Value | - | 1.166 W/kg (body), 0.557 W/kg (head), 2.88 W/kg (limb) | |
Integrated Components | - | FM radio | |
Connector Type | Micro-USB - 5 pin Micro-USB Type B Headset jack - mini-phone 3.5mm |
Micro-USB Headset jack - mini-phone 3.5mm |
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SIM Card Type (Size) | Nano SIM | Nano SIM | |
SIM Card Qty | Dual-SIM (SIM1 and SIM2/MicroSD slots) | Dual-SIM | |
SIM Card Configuration Details | Nano SIM + nano SIM/microSD | - |
DISPLAY | OPPO R9s | Xiaomi Redmi 7A |
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Display Type | OLED display | LCD display | |
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Display Technology | AMOLED | - | |
Screen Size (Display Size) | 5.5" | 5.45" | OPPO R9s has larger screen size than Xiaomi Redmi 7A. |
Screen Resolution (Display Resolution) | 1920 x 1080 pixels | 1440 x 720 pixels | OPPO R9s has better screen resolution than Xiaomi Redmi 7A. |
Display Format | Full HD | HD+ | |
Pixel Density | 401 ppi | 295 ppi | OPPO R9s has better pixel density than Xiaomi Redmi 7A. |
Aspect Ratio | - | 18:9 | |
Colour Depth | 16.7 million colours | - | |
Contrast Ratio | - | 1000:1 | |
Display Enhancement Technology | - | Sunlight mode | |
Display Features | - | Reading mode, Colour temperature adjustment, night mode | |
Display Protection (Screen Protector) | Corning Gorilla Glass 5 (scratch resistant glass) | - |
PROCESSOR | OPPO R9s | Xiaomi Redmi 7A |
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Processor Type (CPU) | Qualcomm | Qualcomm Snapdragon 439 | |
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Processor Number | MSM8953 | - | |
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) | Qualcomm ADRENO 506 | Qualcomm ADRENO 505 |
MEMORY | OPPO R9s | Xiaomi Redmi 7A |
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RAM | 4 GB | 2 GB | OPPO R9s has more RAM than Xiaomi Redmi 7A. |
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Internal Memory Size (Storage Capacity) | 64 GB | 16 GB | OPPO R9s has more internal memory than Xiaomi Redmi 7A. |
Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 256 GB | microSDHC, microSDXC - up to 256 GB |
CAMERA | OPPO R9s | Xiaomi Redmi 7A |
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MAIN CAMERA |
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Number of Main Cameras | 1 | 1 | |
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Sensor Resolution | 16 Megapixel | 12 Megapixel | OPPO R9s has better camera resolution than Xiaomi Redmi 7A. |
Sensor Size | 1/2.8" | - | |
Sensor Name | Sony Exmor RS IMX398 sensor | - | |
Lens Aperture | F/1.7 | F/2.2 | OPPO R9s has better lens aperture than OPPO R9s. |
Pixel Size | - | 1.25 μm | |
Focus Adjustment | Automatic | Automatic | |
Special Effects | - | HDR | |
HDR Mode | - | Auto HDR mode | |
Camera Modes | Panorama, low-light shots, GIF animation function | AI portrait mode, AI Beautify 4.0 | |
Face Recognition (Face ID) | - | Face recognition | Xiaomi Redmi 7A has face detection. |
Light Source | LED light | 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, 1280 x 720 (720p) at 30 fps | |
Camera Features (Functions) | Noise reduction, Electronic Image Stabiliser (EIS), Dual Phase Detect Auto-Focus (PDAF) | Phase Detect Auto-Focus (PDAF) |
FRONT CAMERA |
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Number of Front Cameras | 1 | 1 | |
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Sensor Resolution (Front) | 16 Megapixel | 5 Megapixel | OPPO R9s has better front camera resolution than Xiaomi Redmi 7A. |
Lens Aperture (Front) | F/2.0 | - | |
Special Effects (Front) | Beautify 4.0 | HDR | |
HDR Mode (Front) | Auto HDR mode | - | |
Camera Modes (Front) | - | AI portrait mode, AI Beautify 4.0 | |
Face Recognition (Face ID) | - | Face recognition | Xiaomi Redmi 7A has face detection. |
Light Source (Front) | - | Display flash | |
Camera Features (Front) | - | Selfie countdown |
BATTERY AND CHARGING | OPPO R9s | Xiaomi Redmi 7A |
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Battery Capacity (Battery Size) | 3010 mAh | 4000 mAh | Xiaomi Redmi 7A has larger battery capacity than OPPO R9s. |
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CELLULAR | OPPO R9s | Xiaomi Redmi 7A |
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Technology | CDMA2000 1X / GSM / WCDMA (UMTS) / TD-SCDMA | WCDMA (UMTS) / GSM | |
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Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
Operating System | ColorOS 3.0 (based on Android 6.0.1) | Android 9.0 Pie | |
User Interface | - | MIUI 9 | |
Navigation | GPS, A-GPS | GPS, A-GPS, GLONASS, BeiDou, Galileo |
COMMUNICATIONS | OPPO R9s | Xiaomi Redmi 7A |
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Data Transmission | GPRS, EDGE, EV-DO, HSDPA, HSUPA, HSPA+, LTE | GPRS, EDGE, HSDPA, HSUPA, HSPA+, VoLTE, FDD-LTE, TDD-LTE | |
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2G Band | - | 850 GSM, 900 GSM, 1900 GSM, 2100 GSM | |
3G UMTS Band | - | Band 1, Band 2, Band 5, Band 8 | |
3G UMTS Frequency | - | 2100, 1900, 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 | |
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 | |
Wireless Interface | IEEE 802.11a/b/g/n/ac | IEEE 802.11b/g/n | |
Bluetooth | Bluetooth 4.0 | Bluetooth 4.2 | |
Bluetooth Profiles | A2DP | - | |
Messaging Services | SMS, MMS | SMS, MMS |
MEDIA | OPPO R9s | Xiaomi Redmi 7A |
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Supported Digital Audio Standards | WAV, WMA, AMR, MP3, FLAC, OGG, APE (Monkey's Audio), MID | AAC, PCM, AMR, MP3, FLAC, AAC +, MP4, AMR-WB, AMR-NB, WAVE | |
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Supported Digital Video Standards | MKV, FLV, AVI, MOV, MPEG-4, WMV, ASF, 3GP | FLV, H.263, H.264 AVC Main Profile (MP), H.264 AVC Baseline Profile(BP) |
FEATURES | OPPO R9s | Xiaomi Redmi 7A |
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Phone Functions | Speakerphone, call timer, conference call, flight mode, vibrating alert | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | |
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Sensors | Ambient light sensor, digital compass, gyro sensor, G-sensor, distance sensor | Accelerometer, ambient light sensor, proximity sensor, digital compass | |
Security Devices | Fingerprint reader | Face recognition | |
Security Technology | - | A.I. face recognition | |
Additional Phone Features | Glove and Wet Touchscreen Operation | AI face unlock |
OTHERS | OPPO R9s | Xiaomi Redmi 7A |
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Included Accessories | Headset, USB cable, power adapter | USB cable, power adapter, SIM card removal tool | |
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Compliant Standards | - | TÜV Rheinland Certified Eye-Care |