In depth comparison and review of Apple iPhone 7 and Xiaomi Redmi S2. 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 | Apple iPhone 7 | Xiaomi Redmi S2 |
|---|
| Product Type | Smartphone - refurbished | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | A1778 | - | |
| Form Factor | Touch | Touch | |
| Height | 138.3 mm | 160.73 mm | Xiaomi Redmi S2 has greater height than Apple iPhone 7. |
| Width | 67.1 mm | 77.26 mm | Xiaomi Redmi S2 has greater width than Apple iPhone 7. |
| Depth | 7.1 mm | 8.1 mm | Apple iPhone 7 is narrower than Apple iPhone 7. |
| Weight | 138 g | 170 g | Apple iPhone 7 is lighter than Apple iPhone 7. |
| Body Colour | Black | Grey | Blue | Rose gold | Gold | Black | Dark grey | |
| Body Material | 7000 Series aluminium | - | |
| Protection | Dustproof, splashproof, waterproof | - | |
| Waterproof (Water-resistant) | Yes | - | Apple iPhone 7 is waterproof. |
| IP rating | IEC 60529 IP67 | - | |
| SAR Value | 1.19 W/kg (head), 1.19 W/kg (body) | 1.577 W/kg (body), 0.429 W/kg (head) | |
| Connector Type | Lightning | Micro-USB - 5 pin Micro-USB Type B Headset jack - mini-phone 3.5mm |
|
| SIM Card Type (Size) | Nano SIM | Nano SIM | |
| SIM Card Qty | Single-SIM | Dual-SIM |
| DISPLAY | Apple iPhone 7 | Xiaomi Redmi S2 |
|---|
| Display Type | LCD display | LCD display | |
|---|---|---|---|
| Display Technology | Retina HD display with IPS technology | - | |
| Screen Size (Display Size) | 4.7" | 5.99" | Xiaomi Redmi S2 has larger screen size than Apple iPhone 7. |
| Screen Resolution (Display Resolution) | 1334 x 750 pixels | 1440 x 720 pixels | Xiaomi Redmi S2 has better screen resolution than Apple iPhone 7. |
| Display Format | - | HD+ | |
| Pixel Density | 326 ppi | 269 ppi | Apple iPhone 7 has better pixel density than Xiaomi Redmi S2. |
| Aspect Ratio | - | 18:9 | |
| Max Brightness | 625 cd/m² | 450 cd/m² | Apple iPhone 7 has better display brightness than Xiaomi Redmi S2. |
| Colour Depth | - | 16.7 million colours | |
| Contrast Ratio | 1400:1 | 1000:1 | Apple iPhone 7 has better display contrast ratio than Xiaomi Redmi S2. |
| Display Features | Dual-domain pixels, Display Zoom, Reachability (screen shifting), Landscape Views | Night Display, Sunlight Display, Reading mode, Colour temperature adjustment | |
| Display Protection (Screen Protector) | Fingerprint-resistant oleophobic coating | - |
| PROCESSOR | Apple iPhone 7 | Xiaomi Redmi S2 |
|---|
| Processor Type (CPU) | Apple A10 Fusion | Qualcomm Snapdragon 625 | |
|---|---|---|---|
| Processor Core Qty | - | 8-core | |
| 64-bit Architecture | Yes | Yes | Both phones have 64-bit architecture. |
| Graphics System (GPU) | - | Qualcomm ADRENO 506 |
| MEMORY | Apple iPhone 7 | Xiaomi Redmi S2 |
|---|
| RAM | - | 3 GB | |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 32 GB | 32 GB | Both phones have the same internal memory capacity. |
| Supported Flash Memory Cards (Expandable Memory) | - | microSDHC, microSDXC - up to 256 GB |
| CAMERA | Apple iPhone 7 | Xiaomi Redmi S2 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 2 | |
|---|---|---|---|
| Sensor Resolution | 12 Megapixel | 12 Megapixel | Both phones have the same camera resolution. |
| Sensor Type | BSI | - | |
| Lens Aperture | F/1.8 | F/2.2 | Apple iPhone 7 has better lens aperture than Apple iPhone 7. |
| Lens Construction | 6-element | - | |
| Optical Image Stabiliser (OIS) | Optical Image Stabiliser (OIS) | - | Apple iPhone 7 has optical stabilisation. |
| Focus Adjustment | Automatic | Automatic | |
| Digital Zoom | 5x | - | |
| Special Effects | - | HDR, low light enhancement | |
| HDR Mode | Auto HDR mode | - | |
| Camera Modes | Burst mode, Panorama, Time-lapse mode, Timer mode | Panorama, portrait mode, AI portrait mode | |
| Face Recognition (Face ID) | Body and face detection | Face recognition | Both phones have face detection. |
| Light Source | Quad 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, Slo-mo video 1920 x 1080 (1080p) at 120 fps, Slo-mo video 1280 x 720 (720p) at 240 fps, 3840 x 2160 (4K) at 30 fps | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps | |
| Camera Features (Functions) | Sapphire crystal lens cover, Focus Pixels, Hybrid IR filter, Exposure control, noise reduction, geotagging | Phase Detect Auto-Focus (PDAF), AI Dual camera |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | - | 5 Megapixel |
|---|
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 7 Megapixel | 16 Megapixel | Xiaomi Redmi S2 has better front camera resolution than Apple iPhone 7. |
| Sensor Type (Front) | BSI | - | |
| Lens Type (Front) | - | Wide-angle lens | |
| Lens Aperture (Front) | F/2.2 | F/2.0 | Xiaomi Redmi S2 has better front lens aperture than Apple iPhone 7. |
| Special Effects (Front) | - | Precise bokeh effect, AI Beautify 4.0 | |
| HDR Mode (Front) | Auto HDR mode | Auto HDR mode | |
| Camera Modes (Front) | Burst mode, Timer mode | Wide selfie mode | |
| Face Recognition (Face ID) | Body and face detection | - | Apple iPhone 7 has face detection. |
| Light Source (Front) | Retina Flash | LED flash | |
| Video Resolutions (Front) | 1920 x 1080 (1080p) | - | |
| Camera Features (Front) | Exposure control, Auto image stabilisation | - |
| BATTERY AND CHARGING | Apple iPhone 7 | Xiaomi Redmi S2 |
|---|
| Battery Capacity (Battery Size) | - | 3080 mAh | |
|---|---|---|---|
| Standby Time | 240 hours | - | |
| Talk Time | 840 minutes | - | |
| Run Time Details | Talk (3G): up to 840 min Standby: up to 240 hrs Active online usage (3G): up to 12 hrs Active online usage (LTE): up to 12 hrs Active online usage (Wi-Fi): up to 14 hrs Playback (wireless video): up to 13 hrs Playback (wireless audio): up to 40 hrs |
- | |
| Battery Technology | Lithium Ion | - |
| CELLULAR | Apple iPhone 7 | Xiaomi Redmi S2 |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
| Operating System | iOS 10 | - | |
| User Interface | - | MIUI 9 | |
| Intelligent Assistant | Siri | - | |
| Payment Technology | Apple Pay | - | |
| Navigation | A-GPS, GLONASS | GPS, A-GPS, GLONASS, BeiDou |
| COMMUNICATIONS | Apple iPhone 7 | Xiaomi Redmi S2 |
|---|
| Data Transmission | GPRS, EDGE, EV-DO, HSUPA, HSPA+, LTE, DC-HSDPA, LTE Advanced, VoLTE, FDD-LTE, TDD-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 3, Band 4, Band 5, Band 7, Band 8, Band 12, Band 13, Band 17, Band 18, Band 19, Band 20, Band 25, Band 26, Band 27, Band 28, Band 29, Band 30, Band 38, Band 39, Band 40, Band 41 | Band 1, 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 700a, FDD 700c, FDD 700b, FDD 800 lower, FDD 800 upper, FDD 800 DD, FDD 1900+, FDD 850+, FDD 800 SMR, FDD 700 APT, FDD 700d, FDD 2300 WCS, TDD 2600, TDD 1900, TDD 2300, TDD 2500 | FDD 2100, 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 | Infrared (IrDA), IEEE 802.11b/g/n | |
| Bluetooth | Bluetooth 4.2 | Bluetooth 4.2 | |
| NFC | Yes | - | Apple iPhone 7 has NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | Apple iPhone 7 | Xiaomi Redmi S2 |
|---|
| Supported Digital Audio Standards | WAV, AAC, AIFF, PCM, Audible, MP3, Apple Lossless, AAC-LC, HE-AAC, Audible AAX, Audible AAX+, protected AAC | WAV, AAC, PCM, MP3, FLAC, AAC +, eAAC+, APE (Monkey's Audio), DSD, AMR-WB, AMR-NB | |
|---|---|---|---|
| Supported Digital Video Standards | AVI, MOV, M-JPEG, MPEG-4, H.264, M4V | VC-1, XviD, MPEG-4, H.264, M4V, HEVC, H.265, ASP |
| FEATURES | Apple iPhone 7 | Xiaomi Redmi S2 |
|---|
| 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, proximity sensor, 3-axis gyro sensor, digital compass, barometer | Accelerometer, ambient light sensor, proximity sensor, digital compass, gyro sensor | |
| Security Devices | Fingerprint reader | Face recognition, fingerprint reader | |
| Additional Phone Features | Multitasking, FaceTime, AirPlay wireless streaming, AirPrint wireless printing, iCloud Photo Sharing, AirDrop function, Apple TV support (2nd, 3rd), MIMO technology, Wi-Fi Calling, iBeacon microlocation, CarPlay function, Family Sharing feature, QuickType keyboard, Handoff, iCloud Keychain, Spotlight Search, Notification Center, M10 motion coprocessor, HomeKit, Night Shift | Infrared remote control, Dual microphones |
| OTHERS | Apple iPhone 7 | Xiaomi Redmi S2 |
|---|
| Included Accessories | USB cable, power adapter, Apple EarPods with Lightning Connector | USB cable, power adapter, SIM card removal tool, clear soft case | |
|---|---|---|---|
| Compliant Standards | IEC 60529 IP67, HAC (Hearing Aid Compatible) | - | |
| Max Operating Temperature | 35 °C | - | |
| Min Operating Temperature | 0 °C | - | |
| Humidity Range Operating | 5 - 95% (non-condensing) | - |
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