In depth comparison and review of ASUS ZenFone 3 (ZE520KL) and Xiaomi MI A3. 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 3 (ZE520KL) | Xiaomi MI A3 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | ZE520KL | - | |
| Form Factor | Touch | Touch | |
| Height | 146.87 mm | 153.48 mm | Xiaomi MI A3 has greater height than ASUS ZenFone 3 (ZE520KL). |
| Width | 73.98 mm | 71.85 mm | ASUS ZenFone 3 (ZE520KL) has greater width than Xiaomi MI A3. |
| Depth | 7.69 mm | 8.475 mm | ASUS ZenFone 3 (ZE520KL) is narrower than ASUS ZenFone 3 (ZE520KL). |
| Weight | 144 g | 173.8 g | ASUS ZenFone 3 (ZE520KL) is lighter than ASUS ZenFone 3 (ZE520KL). |
| Body Colour | Moon white | Gold shimmer | Black sapphire | Kind of grey | |
| Body Material | Metal, glass | Corning Gorilla Glass 5 | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 0.938 W/kg (body), 0.278 W/kg (head) | 2.34 W/kg (limb), 1.097 W/kg (body), 0.301 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 Headset jack - mini-phone 3.5mm |
|
| 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 | ASUS ZenFone 3 (ZE520KL) | Xiaomi MI A3 |
|---|
| Display Type | LCD display | OLED display | |
|---|---|---|---|
| Display Technology | Super IPS+ | AMOLED | |
| Screen Size (Display Size) | 5.2" | 6.088" | Xiaomi MI A3 has larger screen size than ASUS ZenFone 3 (ZE520KL). |
| Screen Resolution (Display Resolution) | 1920 x 1080 pixels | 1560 x 720 pixels | ASUS ZenFone 3 (ZE520KL) has better screen resolution than Xiaomi MI A3. |
| Display Format | Full HD | HD+ | |
| Aspect Ratio | - | 19.5:9 | |
| Max Brightness | 600 cd/m² | - | |
| Contrast Ratio | - | 60000:1 | |
| Display Enhancement Technology | Bluelight Filter for Eye Care | - | |
| Display Features | ASUS Glove Touch technology, 2.5D curved glass | 2.5D Glass, Dot Drop display | |
| Display Protection (Screen Protector) | Fingerprint-resistant oleophobic coating, Corning Gorilla Glass (scratch resistant glass) | Corning Gorilla Glass 5 (scratch resistant glass) |
| PROCESSOR | ASUS ZenFone 3 (ZE520KL) | Xiaomi MI A3 |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 625 | Qualcomm Snapdragon 665 | |
|---|---|---|---|
| Clock Speed | 2 GHz | 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 3 (ZE520KL) has 64-bit architecture. |
| Graphics System (GPU) | Qualcomm ADRENO 506 | Qualcomm ADRENO 610 |
| MEMORY | ASUS ZenFone 3 (ZE520KL) | Xiaomi MI A3 |
|---|
| RAM | 3 GB | LPDDR4X SDRAM - 4 GB | Xiaomi MI A3 has more RAM than ASUS ZenFone 3 (ZE520KL). |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 32 GB | 64 GB | Xiaomi MI A3 has more internal memory than ASUS ZenFone 3 (ZE520KL). |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 2 TB | Up to 256 GB |
| CAMERA | ASUS ZenFone 3 (ZE520KL) | Xiaomi MI A3 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 3 | |
|---|---|---|---|
| Sensor Resolution | 16 Megapixel | 48 Megapixel | Xiaomi MI A3 has better camera resolution than ASUS ZenFone 3 (ZE520KL). |
| Sensor Size | - | 1/2" | |
| Sensor Name | Sony Exmor RS IMX298 sensor | - | |
| Lens Aperture | F/2.0 | F/1.79 | Xiaomi MI A3 has better lens aperture than ASUS ZenFone 3 (ZE520KL). |
| Lens Construction | 6-element | 6-element | |
| Pixel Size | - | 1.6 μm | |
| Optical Image Stabiliser (OIS) | 4 Stop OIS (Optical Image Stabilisation) | - | ASUS ZenFone 3 (ZE520KL) has optical stabilisation. |
| Focus Adjustment | Automatic | Automatic | |
| Laser Auto Focus | Yes | - | |
| Special Effects | Depth of field | - | |
| HDR Mode | Auto HDR mode | - | |
| Camera Modes | Panorama, Time-lapse mode, night mode, manual mode, Real time beauty mode, super resolution mode, All Smiles mode, Mini mode | AI portrait mode | |
| Light Source | Dual LED flash | Flash | |
| Video Resolutions | 3840 x 2160 (4K) | 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, Slo-mo video 1280 x 720 (720p) at 120 fps | |
| Camera Features (Functions) | Sapphire crystal lens cover, GIF animation function, Smart Remove, Electronic Image Stabiliser (EIS), Time Rewind, Largan lens | Phase Detect Auto-Focus (PDAF), Electronic Image Stabiliser (EIS), 4-in-1 Super Pixel, AI scene detection, AI Triple camera, 27 different scenes |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | - | 8 Megapixel | |
|---|---|---|---|
| Lens Type (2nd Camera) | - | Ultra wide-angle lens | |
| Lens Aperture (2nd Camera) | - | F/2.2 | |
| Field of View (2nd Camera) | - | 118 degree(s) |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | - | 2 Megapixel | |
|---|---|---|---|
| Camera Functions (3rd Camera) | - | Depth camera |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 8 Megapixel | 32 Megapixel | Xiaomi MI A3 has better front camera resolution than ASUS ZenFone 3 (ZE520KL). |
| Lens Aperture (Front) | F/2.0 | F/2.0 | Both phones have the same front camera lens aperture. |
| Lens Element Qty (Front) | - | 5-element | |
| Field of View (Front) | - | 79 degree(s) | |
| Pixel Size (Front) | - | 1.6 μm | |
| Focus Adjustment | - | Focus free | |
| HDR Mode (Front) | Auto HDR mode | - | |
| Camera Modes (Front) | Selfie panorama | Selfie panorama, AI portrait mode, AI Beautify | |
| Video Resolutions (Front) | - | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps | |
| Camera Features (Front) | PixelMaster camera | 4-in-1 Super Pixel technology, AI scene detection, 12 different scenes, AI Selfie, Palm shutter, AI face unlock |
| BATTERY AND CHARGING | ASUS ZenFone 3 (ZE520KL) | Xiaomi MI A3 |
|---|
| Battery Capacity (Battery Size) | 2650 mAh | 4030 mAh | Xiaomi MI A3 has larger battery capacity than ASUS ZenFone 3 (ZE520KL). |
|---|---|---|---|
| Fast Charging Technology | - | Qualcomm Quick Charge 3.0 | Xiaomi MI A3 has fast charging technology. |
| CELLULAR | ASUS ZenFone 3 (ZE520KL) | Xiaomi MI A3 |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
| Operating System | Android 6.0 (Marshmallow) | - | |
| User Interface | ASUS ZenUI 3.0 | - | |
| Intelligent Assistant | - | Google Assistant | |
| Navigation | GPS, A-GPS, GLONASS, BeiDou | GPS, A-GPS, GLONASS, BeiDou |
| COMMUNICATIONS | ASUS ZenFone 3 (ZE520KL) | Xiaomi MI A3 |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE, FDD-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 4, Band 5, Band 8 | |
| 3G UMTS Frequency | - | 2100, 1900, 1700, 850, 900 | |
| 4G LTE Band | Band 1, Band 2, Band 3, Band 5, Band 7, Band 8, Band 20 | Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 20, Band 28, Band 38, Band 40 | |
| 4G LTE Frequency | FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD | FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 800 DD, FDD 700 APT, TDD 2600, TDD 2300 | |
| Wireless Interface | Infrared (IrDA), IEEE 802.11b/g/n/ac | Infrared (IrDA), IEEE 802.11a/b/g/n/ac | |
| Bluetooth | Bluetooth 4.2 | Bluetooth 5.0 | |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | ASUS ZenFone 3 (ZE520KL) | Xiaomi MI A3 |
|---|
| Supported Digital Audio Standards | - | WAV, AAC, PCM, MP3, FLAC, AAC +, eAAC+, AMR-WB, AMR-NB | |
|---|---|---|---|
| Supported Digital Video Standards | - | MKV, XviD, H.264, M4V, MPEG4-ASP, MPEG-4 SP, MP4 |
| FEATURES | ASUS ZenFone 3 (ZE520KL) | Xiaomi MI A3 |
|---|
| 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, RGB sensor | Accelerometer, ambient light sensor, proximity sensor, digital compass, gyro sensor, vibration sensor | |
| Security Devices | Fingerprint reader | Fingerprint reader (under display) | |
| Additional Phone Features | Infrared remote control, Dual microphones, Hi-Res Audio, Google Drive Storage (100 GB) (free for 2 years), ASUS SonicMaster 3.0 technology, ASUS NoiseZero Talk technology | AI face unlock |
| OTHERS | ASUS ZenFone 3 (ZE520KL) | Xiaomi MI A3 |
|---|
| Included Accessories | Power adapter | Power adapter, SIM card removal tool, USB-C cable, soft case |
|---|
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