Detailed comparison and review of Alcatel POP 4 5051X and Xiaomi Redmi S2. 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 | Alcatel POP 4 5051X | Xiaomi Redmi S2 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Form Factor | Touch | Touch | |
| Height | 140.7 mm | 160.73 mm | Xiaomi Redmi S2 has greater height than Alcatel POP 4 5051X. |
| Width | 71.4 mm | 77.26 mm | Xiaomi Redmi S2 has greater width than Alcatel POP 4 5051X. |
| Depth | 7.99 mm | 8.1 mm | Alcatel POP 4 5051X is narrower than Alcatel POP 4 5051X. |
| Weight | 134 g | 170 g | Alcatel POP 4 5051X is lighter than Alcatel POP 4 5051X. |
| Body Colour | Dark grey | Grey | Blue | Rose gold | Gold | Black | Dark grey | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 0.83 W/kg (body), 0.901 W/kg (head) | 1.577 W/kg (body), 0.429 W/kg (head) | |
| Integrated Components | FM radio | - | |
| Connector Type | Micro-USB - 5 pin Micro-USB Type B Headset jack - mini-phone 3.5mm |
Micro-USB - 5 pin Micro-USB Type B Headset jack - mini-phone 3.5mm |
|
| SIM Card Type (Size) | Micro SIM | Nano SIM | |
| SIM Card Qty | Single-SIM | Dual-SIM |
| DISPLAY | Alcatel POP 4 5051X | Xiaomi Redmi S2 |
|---|
| Display Type | LCD display | LCD display | |
|---|---|---|---|
| Display Technology | IPS | - | |
| Screen Size (Display Size) | 5" | 5.99" | Xiaomi Redmi S2 has larger screen size than Alcatel POP 4 5051X. |
| Screen Resolution (Display Resolution) | 1280 x 720 pixels | 1440 x 720 pixels | Xiaomi Redmi S2 has better screen resolution than Alcatel POP 4 5051X. |
| Display Format | HD | HD+ | |
| Pixel Density | - | 269 ppi | |
| Aspect Ratio | - | 18:9 | |
| Max Brightness | - | 450 cd/m² | |
| Colour Depth | 16.7 million colours | 16.7 million colours | Both phones have the same color depth. |
| Contrast Ratio | - | 1000:1 | |
| Display Features | Full Lamination | Night Display, Sunlight Display, Reading mode, Colour temperature adjustment | |
| Display Protection (Screen Protector) | Fingerprint-resistant oleophobic coating | - |
| PROCESSOR | Alcatel POP 4 5051X | Xiaomi Redmi S2 |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 210 | Qualcomm Snapdragon 625 | |
|---|---|---|---|
| Processor Number | MSM8909 | - | |
| Clock Speed | 1.1 GHz | - | |
| Processor Core Qty | Quad-core | 8-core | Xiaomi Redmi S2 has higher processor core quantity than Alcatel POP 4 5051X. |
| 64-bit Architecture | - | Yes | Xiaomi Redmi S2 has 64-bit architecture. |
| Graphics System (GPU) | - | Qualcomm ADRENO 506 |
| MEMORY | Alcatel POP 4 5051X | Xiaomi Redmi S2 |
|---|
| RAM | 1 GB | 3 GB | Xiaomi Redmi S2 has more RAM than Alcatel POP 4 5051X. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 8 GB | 32 GB | Xiaomi Redmi S2 has more internal memory than Alcatel POP 4 5051X. |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC - up to 32 GB | microSDHC, microSDXC - up to 256 GB |
| CAMERA | Alcatel POP 4 5051X | Xiaomi Redmi S2 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 2 | |
|---|---|---|---|
| Sensor Resolution | 8 Megapixel | 12 Megapixel | Xiaomi Redmi S2 has better camera resolution than Alcatel POP 4 5051X. |
| Lens Aperture | - | F/2.2 | |
| Focus Adjustment | Automatic | Automatic | |
| Special Effects | - | HDR, low light enhancement | |
| HDR Mode | Auto HDR mode | - | |
| Camera Modes | - | Panorama, portrait mode, AI portrait mode | |
| Face Recognition (Face ID) | - | Face recognition | Xiaomi Redmi S2 has face detection. |
| Light Source | LED light | LED flash | |
| Video Resolutions | 1280 x 720 (720p) | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps | |
| Camera Features (Functions) | QR-code scanner | 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) | 5 Megapixel | 16 Megapixel | Xiaomi Redmi S2 has better front camera resolution than Alcatel POP 4 5051X. |
| Lens Type (Front) | Wide-angle lens | Wide-angle lens | |
| Lens Aperture (Front) | - | F/2.0 | |
| Special Effects (Front) | - | Precise bokeh effect, AI Beautify 4.0 | |
| HDR Mode (Front) | - | Auto HDR mode | |
| Camera Modes (Front) | - | Wide selfie mode | |
| Light Source (Front) | LED flash | LED flash |
| BATTERY AND CHARGING | Alcatel POP 4 5051X | Xiaomi Redmi S2 |
|---|
| Battery Capacity (Battery Size) | 2500 mAh | 3080 mAh | Xiaomi Redmi S2 has larger battery capacity than Alcatel POP 4 5051X. |
|---|---|---|---|
| Recharge Time (Charging Time) | 4 hour(s) | - | |
| Standby Time | 420 hours | - | |
| Talk Time | 720 minutes | - | |
| Run Time Details | Talk (GSM): up to 720 min Talk (WCDMA): up to 540 min Talk (LTE): up to 300 min Standby (GSM): up to 420 hrs Standby (WCDMA): up to 420 hrs Standby (LTE): up to 400 hrs |
- |
| CELLULAR | Alcatel POP 4 5051X | 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 | Android 6.0 (Marshmallow) | - | |
| User Interface | - | MIUI 9 | |
| Navigation | GPS, A-GPS | GPS, A-GPS, GLONASS, BeiDou |
| COMMUNICATIONS | Alcatel POP 4 5051X | Xiaomi Redmi S2 |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE, FDD-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 3, Band 7, Band 8, Band 20, Band 28 | Band 1, Band 3, Band 4, Band 5, Band 7, Band 8, Band 20, Band 38, Band 40 | |
| 4G LTE Frequency | FDD 2100, FDD 1800+, FDD 2600, FDD 900, FDD 800 DD, FDD 700 APT | FDD 2100, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 800 DD, TDD 2600, TDD 2300 | |
| Wireless Interface | IEEE 802.11b/g/n | Infrared (IrDA), IEEE 802.11b/g/n | |
| Bluetooth | Bluetooth 4.0 | Bluetooth 4.2 | |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | Alcatel POP 4 5051X | Xiaomi Redmi S2 |
|---|
| Supported Digital Audio Standards | AAC | WAV, AAC, PCM, MP3, FLAC, AAC +, eAAC+, APE (Monkey's Audio), DSD, AMR-WB, AMR-NB | |
|---|---|---|---|
| Supported Digital Video Standards | MPEG-4, H.264, H.263 | VC-1, XviD, MPEG-4, H.264, M4V, HEVC, H.265, ASP |
| FEATURES | Alcatel POP 4 5051X | 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 | Ambient light sensor, proximity sensor, digital compass, G-sensor, hall sensor | Accelerometer, ambient light sensor, proximity sensor, digital compass, gyro sensor | |
| Security Devices | - | Face recognition, fingerprint reader | |
| Additional Phone Features | HD Voice | Infrared remote control, Dual microphones |
| OTHERS | Alcatel POP 4 5051X | Xiaomi Redmi S2 |
|---|
| Included Accessories | Power adapter | USB cable, power adapter, SIM card removal tool, clear soft case |
|---|
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