Detailed comparison and review of Xiaomi MI A1 and Xiaomi Redmi Note 4x. 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 MI A1 | Xiaomi Redmi Note 4x |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Form Factor | Touch | Touch | |
| Height | 155.4 mm | 151 mm | Xiaomi MI A1 has greater height than Xiaomi Redmi Note 4x. |
| Width | 75.8 mm | 76 mm | Xiaomi Redmi Note 4x has greater width than Xiaomi MI A1. |
| Depth | 7.3 mm | 8.45 mm | Xiaomi MI A1 is narrower than Xiaomi MI A1. |
| Weight | 165 g | 165 g | Both phones are the same weight. |
| Body Colour | Black | Platinum silver grey | |
| Body Material | Metal | Metal | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 0.76 W/kg (body), 1.75 W/kg (head) | 0.674 W/kg (body), 0.724 W/kg (head) | |
| Integrated Components | FM radio | - | |
| Connector Type | USB Type-C - 24 pin USB-C Headset jack - mini-phone 3.5mm |
Micro-USB - 5 pin Micro-USB Type B Headset jack - mini-phone 3.5mm |
|
| SIM Card Type (Size) | Nano SIM | Micro SIM, nano SIM | |
| SIM Card Qty | Dual-SIM | Dual-SIM | |
| SIM Card Configuration Details | Nano SIM + nano SIM/microSD | Micro SIM + nano SIM/microSD |
| DISPLAY | Xiaomi MI A1 | Xiaomi Redmi Note 4x |
|---|
| Display Type | LCD display | - | |
|---|---|---|---|
| Display Technology | LTPS IPS | - | |
| Screen Size (Display Size) | 5.5" | 5.5" | Both phones have the same screen size. |
| Screen Resolution (Display Resolution) | 1920 x 1080 pixels | 1920 x 1080 pixels | Both phones have the same screen resolution. |
| Display Format | Full HD | Full HD | |
| Pixel Density | 403 ppi | 403 ppi | Both phones have the same pixel density. |
| Max Brightness | 450 cd/m² | 450 cd/m² | Both phones have the same display brightness |
| Contrast Ratio | - | 1000:1 | |
| Display Features | 2.5D curved glass | 2.5D Glass, Eye protection mode, Colour temperature adjustment | |
| Display Protection (Screen Protector) | Corning Gorilla Glass (scratch resistant glass) | - |
| PROCESSOR | Xiaomi MI A1 | Xiaomi Redmi Note 4x |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 625 | Qualcomm Snapdragon 625 | |
|---|---|---|---|
| Clock Speed | 2 GHz | 2 GHz | Both phones have the same clock speed. |
| Processor Core Qty | 8-core | - | |
| Graphics System (GPU) | Qualcomm ADRENO 506 | Qualcomm ADRENO 506 |
| MEMORY | Xiaomi MI A1 | Xiaomi Redmi Note 4x |
|---|
| RAM | 4 GB | 3 GB | Xiaomi MI A1 has more RAM than Xiaomi Redmi Note 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 MI A1 | Xiaomi Redmi Note 4x |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 2 | 1 | |
|---|---|---|---|
| Sensor Resolution | 12 Megapixel | 13 Megapixel | Xiaomi Redmi Note 4x has better camera resolution than Xiaomi MI A1. |
| Lens Type | Wide-angle lens | - | |
| Lens Aperture | F/2.2 | F/2.0 | Xiaomi Redmi Note 4x has better lens aperture than Xiaomi MI A1. |
| Lens Construction | 5-element | 5-element | |
| Focus Adjustment | Automatic | Automatic | |
| Optical Zoom | 2x | - | |
| Digital Zoom | 10x | - | |
| Special Effects | HDR, Beautify 3.0 | HDR | |
| Camera Modes | Panorama, Continuous shot, low-light shots | Burst mode, Panorama, low-light shots | |
| Face Recognition (Face ID) | Face recognition | Face recognition | Both phones have face detection. |
| Light Source | Dual LED flash | Dual LED flash | |
| Video Resolutions | 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 | 1920 x 1080 (1080p), 1280 x 720 (720p), Slo-mo video 1280 x 720 (720p) at 120 fps | |
| Camera Features (Functions) | Phase Detect Auto-Focus (PDAF), geotagging, Two-tone flash | Phase Detect Auto-Focus (PDAF) |
| 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 Type (Front) | - | Wide-angle lens | |
| Lens Aperture (Front) | - | F/2.0 | |
| Camera Modes (Front) | Beautify with 36 smart beauty profiles | Real time beauty 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 | Selfie countdown |
| BATTERY AND CHARGING | Xiaomi MI A1 | Xiaomi Redmi Note 4x |
|---|
| Battery Capacity (Battery Size) | 3080 mAh | 4100 mAh | Xiaomi Redmi Note 4x has larger battery capacity than Xiaomi MI A1. |
|---|---|---|---|
| Standby Time | - | 264 hours | |
| Talk Time | - | 3060 minutes | |
| Run Time Details | - | Talk (2G): up to 3060 min Playback (video): up to 18 hrs Gaming: up to 15 hrs Standby (4G): up to 264 hrs Playback (audio): up to 162 hrs Reading: up to 22 hrs |
|
| Battery Technology | Lithium Ion | - |
| CELLULAR | Xiaomi MI A1 | Xiaomi Redmi Note 4x |
|---|
| Technology | WCDMA (UMTS) / GSM | CDMA2000 1X / GSM / WCDMA (UMTS) / TD-SCDMA | |
|---|---|---|---|
| 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 MI A1 | Xiaomi Redmi Note 4x |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, VoLTE, FDD-LTE, TDD-LTE | GPRS, EDGE, EV-DO, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE | |
|---|---|---|---|
| 2G Band | 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 5, Band 7, Band 38, Band 39, Band 40, Band 41 | |
| 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 850, FDD 2600, TDD 2600, TDD 1900, TDD 2300, TDD 2500 | |
| Wireless Interface | Infrared (IrDA), IEEE 802.11a/b/g/n/ac | Infrared (IrDA), IEEE 802.11b/g/n | |
| Bluetooth | Bluetooth 4.2 | Bluetooth 4.2 | |
| Bluetooth Profiles | HID | HID | |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | Xiaomi MI A1 | Xiaomi Redmi Note 4x |
|---|
| Supported Digital Audio Standards | WAV, AAC, PCM, MP3, FLAC, AAC +, eAAC+, AMR-WB, AMR-NB | WAV, AAC, PCM, MP3, FLAC, AAC +, eAAC+, APE (Monkey's Audio), DSD, AMR-WB, AMR-NB | |
|---|---|---|---|
| Supported Digital Video Standards | MKV, XviD, MPEG-4, M4V | VC-1, XviD, MPEG-4, H.264, M4V, HEVC, H.265, ASP | |
| Sound Enhancements | Dirac HD Sound | - |
| FEATURES | Xiaomi MI A1 | Xiaomi Redmi Note 4x |
|---|
| 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, hall sensor | Accelerometer, ambient light sensor, gyro sensor, hall sensor, distance sensor | |
| Security Devices | Fingerprint reader | - | |
| Additional Phone Features | Noise suppression by Fortemedia | Infrared remote control |
| OTHERS | Xiaomi MI A1 | Xiaomi Redmi Note 4x |
|---|
| Included Accessories | Power adapter | USB cable, power adapter, SIM card removal tool |
|---|
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