In depth comparison and review of Alcatel Idol 4S and Xiaomi Redmi 7A. 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 4S | Xiaomi Redmi 7A |
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Product Type | Smartphone | Smartphone | |
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Form Factor | Touch | Touch | |
Height | 153.9 mm | 146.3 mm | Alcatel Idol 4S has greater height than Xiaomi Redmi 7A. |
Width | 75.4 mm | 70.41 mm | Alcatel Idol 4S has greater width than Xiaomi Redmi 7A. |
Depth | 7 mm | 9.55 mm | Alcatel Idol 4S is narrower than Alcatel Idol 4S. |
Weight | 149 g | 165 g | Alcatel Idol 4S is lighter than Alcatel Idol 4S. |
Body Colour | Dark grey | Matte black | |
Protection | - | Splashproof | |
Waterproof (Water-resistant) | - | - | |
SAR Value | - | 1.166 W/kg (body), 0.557 W/kg (head), 2.88 W/kg (limb) | |
Integrated Components | FM radio | FM radio | |
Connector Type | Micro-USB - 5 pin Micro-USB Type B Headset jack - mini-phone 3.5mm |
Micro-USB Headset jack - mini-phone 3.5mm |
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SIM Card Type (Size) | Nano SIM | Nano SIM | |
SIM Card Qty | Dual-SIM (SIM1 and SIM2/MicroSD slots) | Dual-SIM | |
SIM Card Configuration Details | Nano SIM + nano SIM/microSD | - |
DISPLAY | Alcatel Idol 4S | Xiaomi Redmi 7A |
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Display Type | OLED display | LCD display | |
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Display Technology | AMOLED | - | |
Screen Size (Display Size) | 5.5" | 5.45" | Alcatel Idol 4S has larger screen size than Xiaomi Redmi 7A. |
Screen Resolution (Display Resolution) | 2560 x 1440 pixels | 1440 x 720 pixels | Alcatel Idol 4S has better screen resolution than Xiaomi Redmi 7A. |
Display Format | QHD | HD+ | |
Pixel Density | 534 ppi | 295 ppi | Alcatel Idol 4S has better pixel density than Xiaomi Redmi 7A. |
Aspect Ratio | - | 18:9 | |
Colour Depth | 16.7 million colours | - | |
Contrast Ratio | - | 1000:1 | |
Display Enhancement Technology | - | Sunlight mode | |
Display Features | - | Reading mode, Colour temperature adjustment, night mode | |
Display Protection (Screen Protector) | Fingerprint-resistant oleophobic coating, Dragontrail (scratch resistant glass), 2.5D Arc Glass | - |
PROCESSOR | Alcatel Idol 4S | Xiaomi Redmi 7A |
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Processor Type (CPU) | Qualcomm Snapdragon 652 | Qualcomm Snapdragon 439 | |
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Processor Number | MSM8976 | - | |
Clock Speed | 1.8 GHz | 2 GHz | Xiaomi Redmi 7A has higher clock speed than Alcatel Idol 4S. |
Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
64-bit Architecture | - | Yes | Xiaomi Redmi 7A has 64-bit architecture. |
Graphics System (GPU) | Qualcomm ADRENO 510 | Qualcomm ADRENO 505 |
MEMORY | Alcatel Idol 4S | Xiaomi Redmi 7A |
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RAM | 3 GB | 2 GB | Alcatel Idol 4S has more RAM than Xiaomi Redmi 7A. |
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Internal Memory Size (Storage Capacity) | 32 GB | 16 GB | Alcatel Idol 4S has more internal memory than Xiaomi Redmi 7A. |
Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 256 GB | microSDHC, microSDXC - up to 256 GB |
CAMERA | Alcatel Idol 4S | Xiaomi Redmi 7A |
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MAIN CAMERA |
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Number of Main Cameras | 1 | 1 | |
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Sensor Resolution | 16 Megapixel | 12 Megapixel | Alcatel Idol 4S has better camera resolution than Xiaomi Redmi 7A. |
Lens Aperture | F/2.0 | F/2.2 | Alcatel Idol 4S has better lens aperture than Alcatel Idol 4S. |
Pixel Size | - | 1.25 μm | |
Focus Adjustment | Automatic | Automatic | |
Special Effects | - | HDR | |
HDR Mode | Auto HDR mode | Auto HDR mode | |
Camera Modes | Panorama | AI portrait mode, AI Beautify 4.0 | |
Face Recognition (Face ID) | - | Face recognition | Xiaomi Redmi 7A has face detection. |
Light Source | Dual LED flash | LED flash | |
Video Resolutions | 3840 x 2160 (4K) | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps | |
Camera Features (Functions) | Phase Detect Auto-Focus (PDAF) | Phase Detect Auto-Focus (PDAF) |
FRONT CAMERA |
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Number of Front Cameras | 1 | 1 | |
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Sensor Resolution (Front) | 8 Megapixel | 5 Megapixel | Alcatel Idol 4S has better front camera resolution than Xiaomi Redmi 7A. |
Lens Type (Front) | Wide-angle lens | - | |
Lens Aperture (Front) | F/2.4 | - | |
Special Effects (Front) | - | HDR | |
Camera Modes (Front) | - | AI portrait mode, AI Beautify 4.0 | |
Face Recognition (Face ID) | - | Face recognition | Xiaomi Redmi 7A has face detection. |
Light Source (Front) | - | Display flash | |
Video Resolutions (Front) | 1920 x 1080 (1080p) | - | |
Camera Features (Front) | - | Selfie countdown |
BATTERY AND CHARGING | Alcatel Idol 4S | Xiaomi Redmi 7A |
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Battery Capacity (Battery Size) | 3000 mAh | 4000 mAh | Xiaomi Redmi 7A has larger battery capacity than Alcatel Idol 4S. |
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Recharge Time (Charging Time) | 100 min | - | |
Standby Time | 420 hours | - | |
Talk Time | 780 minutes | - | |
Run Time Details | Talk: up to 780 min Standby: up to 420 hrs |
- | |
Battery Technology | Lithium Ion | - |
CELLULAR | Alcatel Idol 4S | Xiaomi Redmi 7A |
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Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
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Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
Operating System | Android 6.0.1 (Marshmallow) | Android 9.0 Pie | |
User Interface | - | MIUI 9 | |
Navigation | GPS, A-GPS | GPS, A-GPS, GLONASS, BeiDou, Galileo |
COMMUNICATIONS | Alcatel Idol 4S | Xiaomi Redmi 7A |
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Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE | GPRS, EDGE, HSDPA, HSUPA, HSPA+, VoLTE, FDD-LTE, TDD-LTE | |
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2G Band | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | 850 GSM, 900 GSM, 1900 GSM, 2100 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 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 800 DD, TDD 2600, TDD 2300 | |
Wireless Interface | IEEE 802.11a/b/g/n/ac | IEEE 802.11b/g/n | |
Bluetooth | Bluetooth 4.2 | Bluetooth 4.2 | |
NFC | Yes | - | Alcatel Idol 4S has NFC reader for mobile payments. |
Messaging Services | SMS, MMS | SMS, MMS |
MEDIA | Alcatel Idol 4S | Xiaomi Redmi 7A |
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Supported Digital Audio Standards | WAV, WMA, MP3, AAC + | AAC, PCM, AMR, MP3, FLAC, AAC +, MP4, AMR-WB, AMR-NB, WAVE | |
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Supported Digital Video Standards | XviD, MPEG-4, H.265 | FLV, H.263, H.264 AVC Main Profile (MP), H.264 AVC Baseline Profile(BP) | |
Sound Enhancements | Hi-Fi Sound support | - |
FEATURES | Alcatel Idol 4S | Xiaomi Redmi 7A |
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Phone Functions | Speakerphone, call timer, conference call, flight mode, vibrating alert | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | |
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Sensors | Accelerometer, proximity sensor, digital compass, gyro sensor | Accelerometer, ambient light sensor, proximity sensor, digital compass | |
Security Devices | - | Face recognition | |
Security Technology | - | A.I. face recognition | |
Additional Phone Features | Radio Data Service (RDS), HD Voice, Dual noise reduction microphones | AI face unlock |
OTHERS | Alcatel Idol 4S | Xiaomi Redmi 7A |
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Included Accessories | Stereo headset, USB cable, power adapter, SIM card removal tool, Virtual Reality Googles | USB cable, power adapter, SIM card removal tool | |
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Compliant Standards | - | TÜV Rheinland Certified Eye-Care |