In depth comparison and review of Alcatel Idol 5S 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 | Alcatel Idol 5S | Xiaomi Redmi S2 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Form Factor | Touch | Touch | |
| Height | 149 mm | 160.73 mm | Xiaomi Redmi S2 has greater height than Alcatel Idol 5S. |
| Width | 70.9 mm | 77.26 mm | Xiaomi Redmi S2 has greater width than Alcatel Idol 5S. |
| Depth | 7.37 mm | 8.1 mm | Alcatel Idol 5S is narrower than Alcatel Idol 5S. |
| Weight | 149 g | 170 g | Alcatel Idol 5S is lighter than Alcatel Idol 5S. |
| Body Colour | Crystal black | Grey | Blue | Rose gold | Gold | Black | Dark grey | |
| Body Material | Aluminium frame | - | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | - | 1.577 W/kg (body), 0.429 W/kg (head) | |
| Connector Type | USB Type-C - 24 pin USB-C Headset jack |
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 | Alcatel Idol 5S | Xiaomi Redmi S2 |
|---|
| Display Type | - | LCD display | |
|---|---|---|---|
| Screen Size (Display Size) | 5.2" | 5.99" | Xiaomi Redmi S2 has larger screen size than Alcatel Idol 5S. |
| Screen Resolution (Display Resolution) | 1920 x 1080 pixels | 1440 x 720 pixels | Alcatel Idol 5S has better screen resolution than Xiaomi Redmi S2. |
| Display Format | Full HD | HD+ | |
| Pixel Density | - | 269 ppi | |
| Aspect Ratio | - | 18:9 | |
| Max Brightness | - | 450 cd/m² | |
| Colour Depth | - | 16.7 million colours | |
| Contrast Ratio | - | 1000:1 | |
| Display Features | 2.5D Glass, night mode | Night Display, Sunlight Display, Reading mode, Colour temperature adjustment | |
| Display Protection (Screen Protector) | Fingerprint-resistant oleophobic coating, Dragontrail (scratch resistant glass) | - |
| PROCESSOR | Alcatel Idol 5S | Xiaomi Redmi S2 |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 625 | Qualcomm Snapdragon 625 | |
|---|---|---|---|
| Processor Number | MSM8953 | - | |
| Clock Speed | 2 GHz | - | |
| Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
| 64-bit Architecture | - | Yes | Xiaomi Redmi S2 has 64-bit architecture. |
| Graphics System (GPU) | Qualcomm ADRENO 506 | Qualcomm ADRENO 506 |
| MEMORY | Alcatel Idol 5S | Xiaomi Redmi S2 |
|---|
| RAM | 3 GB | 3 GB | Both phones have the same RAM size. |
|---|---|---|---|
| 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 512 GB | microSDHC, microSDXC - up to 256 GB |
| CAMERA | Alcatel Idol 5S | 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 Size | 1/2.8" | - | |
| Sensor Name | Omnivision OV12870 sensor | - | |
| Lens Aperture | F/2.0 | F/2.2 | Alcatel Idol 5S has better lens aperture than Alcatel Idol 5S. |
| Focus Adjustment | Automatic | Automatic | |
| Special Effects | - | HDR, low light enhancement | |
| Camera Modes | - | Panorama, portrait mode, AI portrait mode | |
| Face Recognition (Face ID) | - | Face recognition | Xiaomi Redmi S2 has face detection. |
| Light Source | Dual LED flash | LED flash | |
| Video Resolutions | 1920 x 1080 (1080p) at 30 fps | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps | |
| Camera Features (Functions) | Electronic Image Stabiliser (EIS), Dual-tone Flash, Phase Detect Auto-Focus (PDAF)+Contrast Focus | 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) | 8 Megapixel | 16 Megapixel | Xiaomi Redmi S2 has better front camera resolution than Alcatel Idol 5S. |
| Sensor Size (Front) | 1/3.2" | - | |
| Sensor Name (Front) | Omnivision OV8865 sensor | - | |
| Lens Type (Front) | - | Wide-angle lens | |
| Lens Aperture (Front) | F/2.0 | F/2.0 | Both phones have the same front camera lens aperture. |
| 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) | Flash | LED flash |
| BATTERY AND CHARGING | Alcatel Idol 5S | Xiaomi Redmi S2 |
|---|
| Battery Capacity (Battery Size) | 2620 mAh | 3080 mAh | Xiaomi Redmi S2 has larger battery capacity than Alcatel Idol 5S. |
|---|---|---|---|
| Standby Time | 753 hours | - | |
| Talk Time | 1200 minutes | - | |
| Run Time Details | Talk (3G): up to 1200 min Standby (3G): up to 753 hrs |
- |
| CELLULAR | Alcatel Idol 5S | Xiaomi Redmi S2 |
|---|
| Technology | CDMA2000 1X / GSM / WCDMA (UMTS) | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
| Operating System | Android 7.1 Nougat | - | |
| User Interface | - | MIUI 9 | |
| Intelligent Assistant | Google Assistant | - | |
| Navigation | A-GPS | GPS, A-GPS, GLONASS, BeiDou |
| COMMUNICATIONS | Alcatel Idol 5S | Xiaomi Redmi S2 |
|---|
| Data Transmission | GPRS, EDGE, EV-DO, HSDPA, HSUPA, HSPA+, 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 | |
| 3G UMTS Band | Band 1, Band 2, Band 4, Band 5 | Band 1, Band 2, Band 5, Band 8 | |
| 3G UMTS Frequency | 2100, 1900, 1700, 850 | 2100, 1900, 850, 900 | |
| 4G LTE Band | Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 12, Band 13, Band 17, Band 25, Band 26, Band 41, Band 66 | 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 700a, FDD 700c, FDD 700b, FDD 1900+, FDD 850+, TDD 2500, FDD 1700 - 2110 AWS-3 | 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 | |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | Alcatel Idol 5S | Xiaomi Redmi S2 |
|---|
| Supported Digital Audio Standards | PCM, MP3, FLAC, AAC-LC, AAC +, eAAC+, MIDI, AMR-WB, AMR-NB, Vorbis, WAVE | WAV, AAC, PCM, MP3, FLAC, AAC +, eAAC+, APE (Monkey's Audio), DSD, AMR-WB, AMR-NB | |
|---|---|---|---|
| Supported Digital Video Standards | - | VC-1, XviD, MPEG-4, H.264, M4V, HEVC, H.265, ASP |
| FEATURES | Alcatel Idol 5S | Xiaomi Redmi S2 |
|---|
| 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, proximity sensor, digital compass, gyro sensor, G-sensor, hall sensor | Accelerometer, ambient light sensor, proximity sensor, digital compass, gyro sensor | |
| Security Devices | Fingerprint reader | Face recognition, fingerprint reader | |
| Additional Phone Features | HD Voice, Private Mode, Dual noise reduction microphones | Infrared remote control, Dual microphones |
| OTHERS | Alcatel Idol 5S | Xiaomi Redmi S2 |
|---|
| Included Accessories | Data cable, SIM card removal tool | USB cable, power adapter, SIM card removal tool, clear soft case | |
|---|---|---|---|
| Compliant Standards | HAC (Hearing Aid Compatible) | - |