In depth comparison and review of OPPO R7s and Samsung Galaxy A3 (2017). 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 R7s | Samsung Galaxy A3 (2017) |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | - | SM-A320F | |
| Form Factor | Touch | Touch | |
| Height | 151.8 mm | 135.4 mm | OPPO R7s has greater height than Samsung Galaxy A3 (2017). |
| Width | 75.4 mm | 66.2 mm | OPPO R7s has greater width than Samsung Galaxy A3 (2017). |
| Depth | 7 mm | 7.9 mm | OPPO R7s is narrower than OPPO R7s. |
| Weight | 155 g | 138 g | Samsung Galaxy A3 (2017) is lighter than OPPO R7s. |
| Body Colour | Rose gold | Sand gold | Blue mist | Blue-mist | Gold-sand | Black-sky | Peach-cloud | |
| Body Material | - | Metal, glass | |
| Protection | - | Dustproof, waterproof | |
| Waterproof (Water-resistant) | - | Yes | Samsung Galaxy A3 (2017) is waterproof. |
| IP rating | - | IP68 | |
| SAR Value | 1.066 W/kg (body), 0.799 W/kg (head) | 1.38 W/kg (body), 0.349 W/kg (head) | |
| Connector Type | Micro-USB - 5 pin Micro-USB Type B Headset jack - mini-phone 3.5mm |
Headset jack - mini-phone 3.5mm USB Type-C - 24 pin USB-C |
|
| SIM Card Type (Size) | Micro SIM, nano SIM | Nano SIM | |
| SIM Card Qty | Dual-SIM | Single-SIM | |
| SIM Card Configuration Details | Micro SIM + nano SIM/microSD | - |
| DISPLAY | OPPO R7s | Samsung Galaxy A3 (2017) |
|---|
| Display Type | OLED display | OLED display | |
|---|---|---|---|
| Display Technology | AMOLED | HD Super AMOLED | |
| Screen Size (Display Size) | 5.5" | 4.7" | OPPO R7s has larger screen size than Samsung Galaxy A3 (2017). |
| Screen Resolution (Display Resolution) | 1920 x 1080 pixels | 1280 x 720 pixels | OPPO R7s has better screen resolution than Samsung Galaxy A3 (2017). |
| 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 | - | Always-on display | |
| Display Protection (Screen Protector) | Corning Gorilla Glass 3 (scratch resistant glass) | - |
| PROCESSOR | OPPO R7s | Samsung Galaxy A3 (2017) |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 615 | - | |
|---|---|---|---|
| Clock Speed | 1.5 GHz | 1.6 GHz | Samsung Galaxy A3 (2017) has higher clock speed than OPPO R7s. |
| Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
| Graphics System (GPU) | Qualcomm ADRENO 405 | - |
| MEMORY | OPPO R7s | Samsung Galaxy A3 (2017) |
|---|
| RAM | 4 GB | 2 GB | OPPO R7s has more RAM than Samsung Galaxy A3 (2017). |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 32 GB | 16 GB | OPPO R7s has more internal memory than Samsung Galaxy A3 (2017). |
| User Memory | - | 9.7 GB | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 128 GB | microSDHC, microSDXC - up to 256 GB |
| CAMERA | OPPO R7s | Samsung Galaxy A3 (2017) |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution | 13 Megapixel | 13 Megapixel | Both phones have the same camera resolution. |
| Sensor Type | - | CMOS | |
| Lens Aperture | F/2.2 | F/1.9 | Samsung Galaxy A3 (2017) has better lens aperture than OPPO R7s. |
| Focus Adjustment | Automatic | Automatic | |
| HDR Mode | Auto HDR mode | - | |
| Camera Modes | Panorama | Food mode | |
| Face Recognition (Face ID) | Face detection | - | OPPO R7s has face detection. |
| Light Source | LED light | LED light | |
| Video Resolutions | 1920 x 1080 (1080p) | 1920 x 1080 (1080p) at 30 fps | |
| Camera Features (Functions) | Phase Detect Auto-Focus (PDAF) | Quick Launch |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 8 Megapixel | 8 Megapixel | Both phones have the same front camera resolution. |
| Sensor Type (Front) | - | CMOS | |
| Lens Aperture (Front) | F/2.4 | F/1.9 | Samsung Galaxy A3 (2017) has better front lens aperture than OPPO R7s. |
| BATTERY AND CHARGING | OPPO R7s | Samsung Galaxy A3 (2017) |
|---|
| Battery Capacity (Battery Size) | 3070 mAh | 2350 mAh | OPPO R7s has larger battery capacity than Samsung Galaxy A3 (2017). |
|---|---|---|---|
| Talk Time | - | 1020 minutes | |
| Run Time Details | - | Talk (3G): up to 1020 min Active online usage (3G): up to 12 hrs Active online usage (LTE): up to 16 hrs Active online usage (Wi-Fi): up to 17 hrs Playback (video): up to 17 hrs Playback (Music): up to 41 hrs Playback (audio (Always On Display Off)): up to 55 hrs |
|
| Battery Technology | Lithium polymer | - |
| CELLULAR | OPPO R7s | Samsung Galaxy A3 (2017) |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
| Operating System | ColorOS 2.1 (based on Android 5.1) | Android 6.0.1 (Marshmallow) | |
| Payment Technology | - | Samsung Pay | |
| Navigation | GPS, A-GPS | GPS, GLONASS |
| COMMUNICATIONS | OPPO R7s | Samsung Galaxy A3 (2017) |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE, FDD-LTE, TDD-LTE | |
|---|---|---|---|
| 2G Band | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | 850 GSM, 900 GSM, 1800 GSM, 1900 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 4, Band 7, Band 17 | Band 1, Band 2, Band 3, Band 5, Band 7, Band 8, Band 20, Band 40 | |
| 4G LTE Frequency | FDD 2100, FDD 1900 PCS, FDD 1700 - 2110 AWS, FDD 2600, FDD 700b | FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD, TDD 2300 | |
| Wireless Interface | IEEE 802.11a/b/g/n/ac | IEEE 802.11a/b/g/n/ac, ANT+/ANT | |
| Bluetooth | Bluetooth 4.0 | Bluetooth 4.2 | |
| Bluetooth Profiles | - | HFP, HSP, OPP, PAN, A2DP, AVRCP, HID, PBAP, MAP, DIP, HOGP | |
| NFC | - | Yes | Samsung Galaxy A3 (2017) has NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | OPPO R7s | Samsung Galaxy A3 (2017) |
|---|
| Supported Digital Audio Standards | WAV, MP3, FLAC, eAAC+ | WAV, WMA, AAC, Ogg Vorbis, AMR, MP3, FLAC, AAC-LC, XMF, AAC +, OGG, eAAC+, MIDI, M4A, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, MID, AMR-WB, AMR-NB | |
|---|---|---|---|
| Supported Digital Video Standards | MPEG-4, H.264 | MKV, VC-1, FLV, AVI, MPEG-4, WMV, ASF, 3GP, H.264, H.263, M4V, WebM, HEVC, MP43, 3G2, WMV8, VP8, VP9, H.265 |
| FEATURES | OPPO R7s | Samsung Galaxy A3 (2017) |
|---|
| 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 | Accelerometer, proximity sensor, digital compass | Accelerometer, proximity sensor, barometer, gyro sensor, hall sensor, RGB sensor, geomagnetic sensor | |
| Security Devices | - | Fingerprint reader | |
| Additional Phone Features | Noise Cancellation Technology | S-Voice, Samsung KNOX |
| OTHERS | OPPO R7s | Samsung Galaxy A3 (2017) |
|---|
| Included Accessories | Power adapter | Power adapter | |
|---|---|---|---|
| Compliant Standards | - | IP68 | |
| Max Depth of Water Resistance | - | 1.5 m |
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