In depth comparison and review of OPPO R9s and Samsung Galaxy A02s. 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 | Samsung Galaxy A02s |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | - | SM-A025G/DSN | |
| Form Factor | Touch | Touch | |
| Height | 153 mm | 166.5 mm | Samsung Galaxy A02s has greater height than OPPO R9s. |
| Width | 74.3 mm | 75.9 mm | Samsung Galaxy A02s has greater width than OPPO R9s. |
| Depth | 6.58 mm | 9.2 mm | OPPO R9s is narrower than OPPO R9s. |
| Weight | 145 g | 198 g | OPPO R9s is lighter than OPPO R9s. |
| Body Colour | Red | Black | Rose gold | Gold | White | Black | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | - | 0.78 W/kg (body), 0.55 W/kg (head) | |
| Connector Type | Micro-USB - 5 pin Micro-USB Type B Headset jack - mini-phone 3.5mm |
USB Type-C - 24 pin USB-C Headset jack - mini-phone 3.5mm |
|
| 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 | Samsung Galaxy A02s |
|---|
| Display Type | OLED display | LCD display | |
|---|---|---|---|
| Display Technology | AMOLED | PLS TFT | |
| Screen Size (Display Size) | 5.5" | 6.5" | Samsung Galaxy A02s has larger screen size than OPPO R9s. |
| Screen Resolution (Display Resolution) | 1920 x 1080 pixels | 1600 x 720 pixels | OPPO R9s has better screen resolution than Samsung Galaxy A02s. |
| Display Format | Full HD | HD+ | |
| Pixel Density | 401 ppi | - | |
| Colour Depth | 16.7 million colours | 16.7 million colours | Both phones have the same color depth. |
| Display Features | - | Infinity V Display, Dark mode | |
| Display Protection (Screen Protector) | Corning Gorilla Glass 5 (scratch resistant glass) | - |
| PROCESSOR | OPPO R9s | Samsung Galaxy A02s |
|---|
| Processor Type (CPU) | Qualcomm | - | |
|---|---|---|---|
| Processor Number | MSM8953 | - | |
| Clock Speed | 2 GHz | 1.8 GHz | OPPO R9s has higher clock speed than Samsung Galaxy A02s. |
| Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
| 64-bit Architecture | Yes | - | OPPO R9s has 64-bit architecture. |
| Graphics System (GPU) | Qualcomm ADRENO 506 | - |
| MEMORY | OPPO R9s | Samsung Galaxy A02s |
|---|
| RAM | 4 GB | 3 GB | OPPO R9s has more RAM than Samsung Galaxy A02s. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 64 GB | 32 GB | OPPO R9s has more internal memory than Samsung Galaxy A02s. |
| User Memory | - | 20.6 GB | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 256 GB | microSDHC, microSD, microSDXC - up to 1 TB |
| CAMERA | OPPO R9s | Samsung Galaxy A02s |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 3 | |
|---|---|---|---|
| Sensor Resolution | 16 Megapixel | 13 Megapixel | OPPO R9s has better camera resolution than Samsung Galaxy A02s. |
| 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. |
| Focus Adjustment | Automatic | Automatic | |
| Digital Zoom | - | 8x | |
| Special Effects | - | Bokeh effect | |
| Camera Modes | Panorama, low-light shots, GIF animation function | Live Focus mode | |
| 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 | |
| Camera Features (Functions) | Noise reduction, Electronic Image Stabiliser (EIS), Dual Phase Detect Auto-Focus (PDAF) | - |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | - | 2 Megapixel | |
|---|---|---|---|
| Lens Aperture (2nd Camera) | - | F/2.4 | |
| Camera Functions (2nd Camera) | - | Macro camera |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | - | 2 Megapixel | |
|---|---|---|---|
| Lens Aperture (3rd Camera) | - | F/2.4 | |
| Camera Functions (3rd Camera) | - | Depth camera |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 16 Megapixel | 5 Megapixel | OPPO R9s has better front camera resolution than Samsung Galaxy A02s. |
| Lens Aperture (Front) | F/2.0 | F/2.2 | OPPO R9s has better front lens aperture than OPPO R9s. |
| Focus Adjustment | - | Focus free | |
| Special Effects (Front) | Beautify 4.0 | - | |
| HDR Mode (Front) | Auto HDR mode | - | |
| Camera Modes (Front) | - | Live Focus mode |
| BATTERY AND CHARGING | OPPO R9s | Samsung Galaxy A02s |
|---|
| Battery Capacity (Battery Size) | 3010 mAh | 5000 mAh | Samsung Galaxy A02s has larger battery capacity than OPPO R9s. |
|---|---|---|---|
| Fast Charging Technology | - | Adaptive Fast Charging | Samsung Galaxy A02s has fast charging technology. |
| CELLULAR | OPPO R9s | Samsung Galaxy A02s |
|---|
| Technology | CDMA2000 1X / GSM / WCDMA (UMTS) / TD-SCDMA | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
| Operating System | ColorOS 3.0 (based on Android 6.0.1) | - | |
| Navigation | GPS, A-GPS | GPS, GLONASS, BeiDou, Galileo |
| COMMUNICATIONS | OPPO R9s | Samsung Galaxy A02s |
|---|
| Data Transmission | GPRS, EDGE, EV-DO, HSDPA, HSUPA, HSPA+, LTE | FDD-LTE, TDD-LTE | |
|---|---|---|---|
| 2G Band | - | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | |
| 3G UMTS Band | - | Band 1, Band 5, Band 8 | |
| 3G UMTS Frequency | - | 2100, 850, 900 | |
| 4G LTE Band | - | 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 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/ac | IEEE 802.11b/g/n | |
| Bluetooth | Bluetooth 4.0 | Bluetooth 4.2 | |
| Bluetooth Profiles | A2DP | - | |
| NFC | - | Yes | Samsung Galaxy A02s has NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | - |
| MEDIA | OPPO R9s | Samsung Galaxy A02s |
|---|
| Supported Digital Audio Standards | WAV, WMA, AMR, MP3, FLAC, OGG, APE (Monkey's Audio), MID | WAV, WMA, AAC, AMR, MP3, FLAC, XMF, OGG, MIDI, M4A, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, MID | |
|---|---|---|---|
| Supported Digital Video Standards | MKV, FLV, AVI, MOV, MPEG-4, WMV, ASF, 3GP | MKV, FLV, AVI, WMV, ASF, 3GP, M4V, WebM, 3G2, MP4 |
| FEATURES | OPPO R9s | Samsung Galaxy A02s |
|---|
| Phone Functions | Speakerphone, call timer, conference call, flight mode, vibrating alert | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | |
|---|---|---|---|
| Sensors | Ambient light sensor, digital compass, gyro sensor, G-sensor, distance sensor | Accelerometer, ambient light sensor, proximity sensor | |
| Security Devices | Fingerprint reader | - | |
| Additional Phone Features | Glove and Wet Touchscreen Operation | - |
| OTHERS | OPPO R9s | Samsung Galaxy A02s |
|---|
| Included Accessories | Headset, USB cable, power adapter | - | |
|---|---|---|---|
| Compliant Standards | - | IEC 61960 |
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