In depth comparison and review of ASUS ZenFone 4 (ZE554KL) and Xiaomi MI A2. 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 | ASUS ZenFone 4 (ZE554KL) | Xiaomi MI A2 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | ZE554KL | - | |
| Form Factor | Touch | Touch | |
| Height | 155.36 mm | 158.7 mm | Xiaomi MI A2 has greater height than ASUS ZenFone 4 (ZE554KL). |
| Width | 75.24 mm | 75.4 mm | Xiaomi MI A2 has greater width than ASUS ZenFone 4 (ZE554KL). |
| Depth | 7.7 mm | 7.3 mm | Xiaomi MI A2 is narrower than ASUS ZenFone 4 (ZE554KL). |
| Weight | 165 g | 168 g | ASUS ZenFone 4 (ZE554KL) is lighter than ASUS ZenFone 4 (ZE554KL). |
| Body Colour | Midnight black | Moonlight white | Black | Lake blue | Gold | |
| Body Material | - | Metal | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 1.48 W/kg (body), 1.42 W/kg (head) | 0.639 W/kg (body), 0.963 W/kg (head) | |
| Integrated Components | FM radio | - | |
| Connector Type | Headset jack - mini-phone 3.5mm USB Type-C - 24 pin USB-C |
USB Type-C - 24 pin USB-C | |
| SIM Card Type (Size) | Nano SIM | Nano SIM | |
| SIM Card Qty | Dual-SIM | Dual-SIM | |
| SIM Card Configuration Details | Nano SIM + nano SIM/microSD | - |
| DISPLAY | ASUS ZenFone 4 (ZE554KL) | Xiaomi MI A2 |
|---|
| Display Type | LCD display | LCD display | |
|---|---|---|---|
| Display Technology | Super IPS+ | IPS | |
| Screen Size (Display Size) | 5.5" | 5.99" | Xiaomi MI A2 has larger screen size than ASUS ZenFone 4 (ZE554KL). |
| Screen Resolution (Display Resolution) | 1920 x 1080 pixels | 2160 x 1080 pixels | Xiaomi MI A2 has better screen resolution than ASUS ZenFone 4 (ZE554KL). |
| Display Format | Full HD | Full HD+ | |
| Pixel Density | - | 403 ppi | |
| Aspect Ratio | - | 18:9 | |
| Max Brightness | 600 cd/m² | - | |
| Contrast Ratio | - | 1500:1 | |
| Display Enhancement Technology | Bluelight Filter for Eye Care, Splendid technology | - | |
| Display Features | 2.5D Glass | 2.5D curved glass | |
| Display Protection (Screen Protector) | Corning Gorilla Glass (scratch resistant glass), smudge-resistant oleophobic coating | Corning Gorilla Glass 5 (scratch resistant glass) |
| PROCESSOR | ASUS ZenFone 4 (ZE554KL) | Xiaomi MI A2 |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 630 | Qualcomm Snapdragon 660 | |
|---|---|---|---|
| Clock Speed | 2.2 GHz | 2.2 GHz | Both phones have the same clock speed. |
| Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
| 64-bit Architecture | Yes | - | ASUS ZenFone 4 (ZE554KL) has 64-bit architecture. |
| Graphics System (GPU) | Qualcomm ADRENO 508 | - |
| MEMORY | ASUS ZenFone 4 (ZE554KL) | Xiaomi MI A2 |
|---|
| RAM | LPDDR4X SDRAM - 4 GB | 4 GB | Both phones have the same RAM size. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 64 GB | 32 GB | ASUS ZenFone 4 (ZE554KL) has more internal memory than Xiaomi MI A2. |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 2 TB | - |
| CAMERA | ASUS ZenFone 4 (ZE554KL) | Xiaomi MI A2 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 2 | 2 | |
|---|---|---|---|
| Sensor Resolution | 12 Megapixel | 20 Megapixel | Xiaomi MI A2 has better camera resolution than ASUS ZenFone 4 (ZE554KL). |
| Sensor Size | 1/2.55" | 1/2.8" | Xiaomi MI A2 has better camera sensor size than ASUS ZenFone 4 (ZE554KL). |
| Sensor Name | Sony Exmor RS IMX362 sensor | Sony Exmor RS IMX376 sensor | |
| Lens Aperture | F/1.8 | F/1.75 | Xiaomi MI A2 has better lens aperture than ASUS ZenFone 4 (ZE554KL). |
| Lens Construction | 6-element | - | |
| Optical Image Stabiliser (OIS) | 4 Stop OIS (Optical Image Stabilisation) | - | ASUS ZenFone 4 (ZE554KL) has optical stabilisation. |
| Focus Adjustment | Automatic | Automatic | |
| Special Effects | HDR | HDR, Beautify 4.0 | |
| Camera Modes | Panorama, Time-lapse mode, Pro mode, Beauty mode, Auto mode, super resolution mode, GIF animation function, portrait mode | Burst mode, Panorama, portrait mode, AI portrait mode, group selfi mode, AI Beauty | |
| Face Recognition (Face ID) | - | Face recognition | Xiaomi MI A2 has face detection. |
| Light Source | Dual LED flash | LED light | |
| Video Resolutions | 1920 x 1080 (1080p) at 30 fps, 1920 x 1080 (1080p) at 60 fps, 1280 x 720 (720p) at 30 fps, Slo-mo video 1920 x 1080 (1080p) at 120 fps, Slo-mo video 1280 x 720 (720p) at 240 fps, 3840 x 2160 (4K) 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, 720 x 480 (480p) at 30 fps | |
| Camera Features (Functions) | 3-axis electronic image stabilisation, RAW image capture, Subject-Tracking Auto-Focus, PixelMaster 4.0 camera, 4-axis optical image stabilisation, 9 filters, Instant cameras switching, Dual Pixel Phase Detect Auto-Focus (PDAF) | Phase Detect Auto-Focus (PDAF), AI Dual camera, 4-in-1 Super Pixel |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 8 Megapixel | 12 Megapixel | Xiaomi MI A2 has better second camera resolution than ASUS ZenFone 4 (ZE554KL). |
|---|---|---|---|
| Sensor Size (2nd Camera) | - | 1/2.9" | |
| Sensor Name (2nd Camera) | - | Sony Exmor RS IMX486 sensor | |
| Lens Type (2nd Camera) | Wide-angle lens | - | |
| Lens Aperture (2nd Camera) | - | F/1.75 |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 8 Megapixel | 20 Megapixel | Xiaomi MI A2 has better front camera resolution than ASUS ZenFone 4 (ZE554KL). |
| Sensor Name (Front) | - | Sony Exmor RS IMX376 sensor | |
| Lens Aperture (Front) | F/2.0 | F/2.2 | ASUS ZenFone 4 (ZE554KL) has better front lens aperture than ASUS ZenFone 4 (ZE554KL). |
| Focus Adjustment | - | Automatic | |
| Special Effects (Front) | Collage | - | |
| Camera Modes (Front) | Beauty mode, Auto mode, selfie panorama, GIF animation function, portrait mode, Smart beautification, Livestream beautification | - | |
| Face Recognition (Face ID) | - | Face recognition | Xiaomi MI A2 has face detection. |
| Camera Features (Front) | PixelMaster camera, ASUS SelfieMaster technology, 9 filters | AI-powered portrait mode |
| BATTERY AND CHARGING | ASUS ZenFone 4 (ZE554KL) | Xiaomi MI A2 |
|---|
| Battery Capacity (Battery Size) | 3300 mAh | 3010 mAh | ASUS ZenFone 4 (ZE554KL) has larger battery capacity than Xiaomi MI A2. |
|---|---|---|---|
| Fast Charging Technology | ASUS Boost Master | Qualcomm Quick Charge 3.0 | Both phones have fast charging technology. |
| Standby Time | 552 hours | - | |
| Talk Time | 1800 minutes | - | |
| Run Time Details | Standby (4G): up to 552 hrs Talk (3G): up to 1800 min Playback (video): up to 16 hrs Continuous browsing (Wi-Fi): up to 18 hrs |
- | |
| Battery Technology | Lithium polymer | Lithium Ion |
| CELLULAR | ASUS ZenFone 4 (ZE554KL) | Xiaomi MI A2 |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
| Operating System | Android 7.0 Nougat | Android One | |
| User Interface | ASUS ZenUI 4.0 | - | |
| Intelligent Assistant | - | Google Assistant | |
| Navigation | GPS, A-GPS, GLONASS, BeiDou, Galileo | GPS, A-GPS, GLONASS, BeiDou |
| COMMUNICATIONS | ASUS ZenFone 4 (ZE554KL) | Xiaomi MI A2 |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE, DC-HSPA+ | GPRS, EDGE, HSDPA, HSUPA, HSPA+, 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 3, Band 5, Band 6, Band 8, Band 19 | Band 1, Band 2, Band 4, Band 5, Band 8 | |
| 3G UMTS Frequency | 2100, 1900, 1800, 850, 800, 900, 800 | 2100, 1900, 1700, 850, 900 | |
| 4G LTE Band | Band 1, Band 2, Band 3, Band 5, Band 7, Band 8, Band 18, Band 19, Band 20, Band 26, Band 28, Band 32, Band 38, Band 39, Band 40, Band 41 | 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 850, FDD 2600, FDD 900, FDD 800 lower, FDD 800 upper, FDD 800 DD, FDD 850+, FDD 700 APT, FDD 1500 L, TDD 2600, TDD 1900, TDD 2300, TDD 2500 | 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 | Infrared (IrDA), IEEE 802.11a/b/g/n/ac | |
| Bluetooth | Bluetooth 5.0 | Bluetooth 5.0 | |
| NFC | Yes | - | ASUS ZenFone 4 (ZE554KL) has NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | ASUS ZenFone 4 (ZE554KL) | Xiaomi MI A2 |
|---|
| Supported Digital Audio Standards | - | WAV, AAC, PCM, MP3, FLAC, AAC +, eAAC+, MIDI, MP4, AMR-WB, AMR-NB | |
|---|---|---|---|
| Supported Digital Video Standards | - | MKV, VC-1, XviD, MPEG-4, H.264, M4V, HEVC, H.265, ASP | |
| Sound Enhancements | DTS-HD Premium Sound, Hi-Res audio, DTS Headphone:X | - |
| FEATURES | ASUS ZenFone 4 (ZE554KL) | Xiaomi MI A2 |
|---|
| 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, digital compass, gyro sensor, hall sensor, colour correction sensor | Accelerometer, ambient light sensor, proximity sensor, digital compass, gyro sensor, hall sensor, vibration sensor | |
| Security Devices | - | Fingerprint reader | |
| Additional Phone Features | Wi-Fi Miracast, Dual noise reduction microphones, Google Drive Storage (100 GB) (free for 2 years), NXP Smart AMP technology, ASUS Noise Reduction technology, Nano Molding Technology (NMT) | Wi-Fi Miracast, AI Engine |
| OTHERS | ASUS ZenFone 4 (ZE554KL) | Xiaomi MI A2 |
|---|
| Included Accessories | Power adapter, SIM card removal tool, ASUS ZenEar with Mic, USB-C cable | USB cable, power adapter, SIM card removal tool, clear soft case, Type-C to audio converter |
|---|
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