Detailed comparison and review of Xiaomi Redmi 3S and OPPO AX7. With our comprehensive overview, you can simply compare sizes, functions, but also other key features of both phones and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the phone that best fits your needs and expectations.
| DESIGN AND DIMENSIONS | Xiaomi Redmi 3S | OPPO AX7 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Form Factor | Touch | Touch | |
| Height | 139.3 mm | 155.9 mm | OPPO AX7 has greater height than Xiaomi Redmi 3S. |
| Width | 69.6 mm | 75.4 mm | OPPO AX7 has greater width than Xiaomi Redmi 3S. |
| Depth | 8.5 mm | 8.1 mm | OPPO AX7 is narrower than Xiaomi Redmi 3S. |
| Weight | 144 g | 168 g | Xiaomi Redmi 3S is lighter than Xiaomi Redmi 3S. |
| Body Colour | Gold | Glaze blue | |
| Body Material | Metal | - | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 0.43 W/kg (body), 0.62 W/kg (head) | - | |
| Connector Type | Micro-USB - 5 pin Micro-USB Type B | Headset jack - mini-phone 3.5mm Micro-USB - 5 pin Micro-USB Type B |
|
| 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 | Xiaomi Redmi 3S | OPPO AX7 |
|---|
| Display Type | - | LCD display | |
|---|---|---|---|
| Display Technology | - | LTPS TFT | |
| Screen Size (Display Size) | 5" | 6.2" | OPPO AX7 has larger screen size than Xiaomi Redmi 3S. |
| Screen Resolution (Display Resolution) | 1280 x 720 pixels | 1520 x 720 pixels | OPPO AX7 has better screen resolution than Xiaomi Redmi 3S. |
| Display Format | HD | HD+ | |
| Colour Depth | - | 16.7 million colours | |
| Display Features | - | In-Cell Display Technology |
| PROCESSOR | Xiaomi Redmi 3S | OPPO AX7 |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 430 | Qualcomm Snapdragon 450 | |
|---|---|---|---|
| Clock Speed | 1.4 GHz | - | |
| Processor Core Qty | 8-core | - | |
| 64-bit Architecture | Yes | Yes | Both phones have 64-bit architecture. |
| Graphics System (GPU) | Qualcomm ADRENO 505 | Qualcomm ADRENO 506 |
| MEMORY | Xiaomi Redmi 3S | OPPO AX7 |
|---|
| RAM | 2 GB | 4 GB | OPPO AX7 has more RAM than Xiaomi Redmi 3S. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 16 GB | 64 GB | OPPO AX7 has more internal memory than Xiaomi Redmi 3S. |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 128 GB | microSDHC, microSDXC - up to 256 GB |
| CAMERA | Xiaomi Redmi 3S | OPPO AX7 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 2 | |
|---|---|---|---|
| Sensor Resolution | 13 Megapixel | 13 Megapixel | Both phones have the same camera resolution. |
| Lens Aperture | F/2.0 | F/2.2 | Xiaomi Redmi 3S has better lens aperture than Xiaomi Redmi 3S. |
| Lens Construction | 5-element | 5-element | |
| Focus Adjustment | Automatic | Automatic | |
| Special Effects | HDR | HDR | |
| Camera Modes | Panorama, manual mode | - | |
| Light Source | LED light | LED light | |
| Video Resolutions | 1920 x 1080 (1080p) | - | |
| Camera Features (Functions) | Phase Detect Auto-Focus (PDAF) | Phase Detect Auto-Focus (PDAF), AR sticker, AI Beautify |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | - | 2 Megapixel | |
|---|---|---|---|
| Lens Aperture (2nd Camera) | - | F/2.4 |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 5 Megapixel | 16 Megapixel | OPPO AX7 has better front camera resolution than Xiaomi Redmi 3S. |
| Lens Aperture (Front) | F/2.2 | F/2.0 | OPPO AX7 has better front lens aperture than Xiaomi Redmi 3S. |
| Special Effects (Front) | - | HDR, Bokeh effect | |
| Camera Modes (Front) | Beautify Selfie mode | - | |
| Face Recognition (Face ID) | Face recognition | - | Xiaomi Redmi 3S has face detection. |
| Video Resolutions (Front) | 1920 x 1080 (1080p) | - |
| BATTERY AND CHARGING | Xiaomi Redmi 3S | OPPO AX7 |
|---|
| Battery Capacity (Battery Size) | 4100 mAh | 4230 mAh | OPPO AX7 has larger battery capacity than Xiaomi Redmi 3S. |
|---|
| CELLULAR | Xiaomi Redmi 3S | OPPO AX7 |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
| Operating System | - | ColorOS 5.2 (based on Android 8.1) | |
| User Interface | MIUI V7 | - | |
| Navigation | GPS, A-GPS, GLONASS, BeiDou | GPS, A-GPS, GLONASS, BeiDou, Galileo |
| COMMUNICATIONS | Xiaomi Redmi 3S | OPPO AX7 |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, VoLTE, FDD-LTE, TDD-LTE | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE | |
|---|---|---|---|
| 2G Band | 900 GSM, 1900 GSM | 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 | |
| 3G UMTS Frequency | - | 2100, 1900, 1700, 850, 800, 900, 800 | |
| 4G LTE Band | Band 3, Band 5, Band 40 | Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 18, Band 19, Band 20, Band 26, Band 28, Band 38, Band 39, Band 40, Band 41 | |
| 4G LTE Frequency | FDD 1800+, FDD 850, TDD 2300 | FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 800 lower, FDD 800 upper, FDD 800 DD, FDD 850+, FDD 700 APT, TDD 2600, TDD 1900, TDD 2300, TDD 2500 | |
| Wireless Interface | IEEE 802.11b/g/n | IEEE 802.11b/g/n | |
| Bluetooth | Bluetooth 4.1 | Bluetooth 4.2 | |
| Bluetooth Profiles | HID | - | |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | Xiaomi Redmi 3S | OPPO AX7 |
|---|
| Supported Digital Audio Standards | AAC, PCM, MP3, FLAC, AC-3, AAC +, eAAC+, MIDI | - | |
|---|---|---|---|
| Supported Digital Video Standards | MKV, VC-1, XviD, MPEG-4, ASF, DivX, MPEG-2, H.264, H.263, M4V, VP8, Sorenson Spark | - |
| FEATURES | Xiaomi Redmi 3S | OPPO AX7 |
|---|
| 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 | Ambient light sensor, proximity sensor, digital compass, gyro sensor, gravity sensor | Accelerometer, ambient light sensor, proximity sensor, digital compass, G-sensor | |
| Security Devices | - | Fingerprint reader | |
| Additional Phone Features | Infrared remote control, Reading mode | - |
| OTHERS | Xiaomi Redmi 3S | OPPO AX7 |
|---|
| Included Accessories | USB cable, power adapter, SIM card removal tool | Headset, screen protection film, USB cable, power adapter, SIM card removal tool, protective case |
|---|
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