Detailed comparison and review of Xiaomi Redmi 4X and Xiaomi MI A1. 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 4X | Xiaomi MI A1 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Form Factor | Touch | Touch | |
| Height | 139.24 mm | 155.4 mm | Xiaomi MI A1 has greater height than Xiaomi Redmi 4X. |
| Width | 69.96 mm | 75.8 mm | Xiaomi MI A1 has greater width than Xiaomi Redmi 4X. |
| Depth | 8.65 mm | 7.3 mm | Xiaomi MI A1 is narrower than Xiaomi Redmi 4X. |
| Weight | 146 g | 165 g | Xiaomi Redmi 4X is lighter than Xiaomi Redmi 4X. |
| Body Colour | Black | Black | |
| Body Material | Metal | Metal | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 1.5 W/kg (body), 0.583 W/kg (head) | 0.76 W/kg (body), 1.75 W/kg (head) | |
| Integrated Components | - | FM radio | |
| Connector Type | Micro-USB - 5 pin Micro-USB Type B Headset jack - mini-phone 3.5mm |
USB Type-C - 24 pin USB-C Headset jack - mini-phone 3.5mm |
|
| SIM Card Type (Size) | Micro SIM, nano SIM | Nano SIM | |
| SIM Card Qty | Dual-SIM | Dual-SIM | |
| SIM Card Configuration Details | Micro SIM + nano SIM/microSD | Nano SIM + nano SIM/microSD |
| DISPLAY | Xiaomi Redmi 4X | Xiaomi MI A1 |
|---|
| Display Type | - | LCD display | |
|---|---|---|---|
| Display Technology | - | LTPS IPS | |
| Screen Size (Display Size) | 5" | 5.5" | Xiaomi MI A1 has larger screen size than Xiaomi Redmi 4X. |
| Screen Resolution (Display Resolution) | 1280 x 720 pixels | 1920 x 1080 pixels | Xiaomi MI A1 has better screen resolution than Xiaomi Redmi 4X. |
| Display Format | HD | Full HD | |
| Pixel Density | - | 403 ppi | |
| Max Brightness | 450 cd/m² | 450 cd/m² | Both phones have the same display brightness |
| Contrast Ratio | 1000:1 | - | |
| Display Features | 2.5D Glass, Night Display, Reading mode, Colour temperature adjustment | 2.5D curved glass | |
| Display Protection (Screen Protector) | Corning Gorilla Glass (scratch resistant glass) | Corning Gorilla Glass (scratch resistant glass) |
| PROCESSOR | Xiaomi Redmi 4X | Xiaomi MI A1 |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 435 | Qualcomm Snapdragon 625 | |
|---|---|---|---|
| Clock Speed | 1.4 GHz | 2 GHz | Xiaomi MI A1 has higher clock speed than Xiaomi Redmi 4X. |
| Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
| 64-bit Architecture | Yes | - | Xiaomi Redmi 4X has 64-bit architecture. |
| Graphics System (GPU) | Qualcomm ADRENO 505 | Qualcomm ADRENO 506 |
| MEMORY | Xiaomi Redmi 4X | Xiaomi MI A1 |
|---|
| RAM | 3 GB | 4 GB | Xiaomi MI A1 has more RAM than Xiaomi Redmi 4X. |
|---|---|---|---|
| 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 128 GB | microSDHC, microSDXC - up to 128 GB |
| CAMERA | Xiaomi Redmi 4X | Xiaomi MI A1 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 2 | |
|---|---|---|---|
| Sensor Resolution | 13 Megapixel | 12 Megapixel | Xiaomi Redmi 4X has better camera resolution than Xiaomi MI A1. |
| Lens Type | - | Wide-angle lens | |
| Lens Aperture | F/2.0 | F/2.2 | Xiaomi Redmi 4X has better lens aperture than Xiaomi Redmi 4X. |
| Lens Construction | 5-element | 5-element | |
| Focus Adjustment | Automatic | Automatic | |
| Optical Zoom | - | 2x | |
| Digital Zoom | - | 10x | |
| Special Effects | HDR | HDR, Beautify 3.0 | |
| Camera Modes | Burst mode, Panorama | Panorama, Continuous shot, low-light shots | |
| Face Recognition (Face ID) | Face recognition | Face recognition | Both phones have face detection. |
| Light Source | LED light | Dual LED flash | |
| Video Resolutions | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps, 3840 x 2160 (4K) at 30 fps, Slo-mo video 1280 x 720 (720p) at 120 fps | |
| Camera Features (Functions) | Phase Detect Auto-Focus (PDAF) | Phase Detect Auto-Focus (PDAF), geotagging, Two-tone flash |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | - | 12 Megapixel | |
|---|---|---|---|
| Lens Type (2nd Camera) | - | Telephoto lens | |
| Lens Aperture (2nd Camera) | - | F/2.6 |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 5 Megapixel | 5 Megapixel | Both phones have the same front camera resolution. |
| Lens Aperture (Front) | F/2.2 | - | |
| Camera Modes (Front) | Beautify Selfie mode | Beautify with 36 smart beauty profiles | |
| Face Recognition (Face ID) | Face recognition | Face recognition | Both phones have face detection. |
| Video Resolutions (Front) | - | 1920 x 1080 (1080p) | |
| Camera Features (Front) | - | Self-timer |
| BATTERY AND CHARGING | Xiaomi Redmi 4X | Xiaomi MI A1 |
|---|
| Battery Capacity (Battery Size) | 4100 mAh | 3080 mAh | Xiaomi Redmi 4X has larger battery capacity than Xiaomi MI A1. |
|---|---|---|---|
| Standby Time | 432 hours | - | |
| Talk Time | 2160 minutes | - | |
| Run Time Details | Talk: up to 2160 min Playback (video): up to 15 hrs Gaming: up to 13 hrs Standby (LTE): up to 432 hrs Playback (audio): up to 87 hrs Reading: up to 26 hrs Navigation: up to 15 hrs |
- | |
| Battery Technology | - | Lithium Ion |
| CELLULAR | Xiaomi Redmi 4X | Xiaomi MI A1 |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
| Operating System | - | Google Android | |
| User Interface | MIUI 8 | - | |
| Intelligent Assistant | - | Google Assistant | |
| Navigation | GPS, A-GPS, GLONASS, BeiDou | GPS, A-GPS, GLONASS, BeiDou |
| COMMUNICATIONS | Xiaomi Redmi 4X | Xiaomi MI A1 |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE | GPRS, EDGE, HSDPA, HSUPA, HSPA+, VoLTE, 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 | Band 1, Band 2, Band 5, Band 8 | |
| 3G UMTS Frequency | 2100, 1900, 850, 900 | 2100, 1900, 850, 900 | |
| 4G LTE Band | Band 1, Band 3, Band 4, Band 5, Band 7, Band 8, Band 20, Band 38, Band 40 | 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 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 800 DD, TDD 2600, TDD 2300 | FDD 2100, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 800 DD, TDD 2600, TDD 2300 | |
| Wireless Interface | Infrared (IrDA), IEEE 802.11b/g/n | Infrared (IrDA), IEEE 802.11a/b/g/n/ac | |
| Bluetooth | Bluetooth 4.1 | Bluetooth 4.2 | |
| Bluetooth Profiles | HID | HID | |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | Xiaomi Redmi 4X | Xiaomi MI A1 |
|---|
| Supported Digital Audio Standards | WAV, AAC, PCM, AMR, MP3, FLAC, AAC +, eAAC+, APE (Monkey's Audio), DSD, AMR-WB, AMR-NB | WAV, AAC, PCM, MP3, FLAC, AAC +, eAAC+, AMR-WB, AMR-NB | |
|---|---|---|---|
| Supported Digital Video Standards | MKV, VC-1, XviD, MPEG-4, H.264, M4V, HEVC, H.265 | MKV, XviD, MPEG-4, M4V | |
| Sound Enhancements | - | Dirac HD Sound |
| FEATURES | Xiaomi Redmi 4X | Xiaomi MI A1 |
|---|
| 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, gyro sensor | Accelerometer, ambient light sensor, proximity sensor, gyro sensor, hall sensor | |
| Security Devices | Fingerprint reader | Fingerprint reader | |
| Additional Phone Features | Infrared remote control | Noise suppression by Fortemedia |
| OTHERS | Xiaomi Redmi 4X | Xiaomi MI A1 |
|---|
| Included Accessories | USB cable, power adapter, SIM card removal tool | Power adapter |
|---|
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