ASUS ZenFone 3 (ZE520KL) vs. Xiaomi POCO X3 Pro

Phone Comparison, Reviews and Tests

Side by side comparison and review of ASUS ZenFone 3 (ZE520KL) and Xiaomi POCO X3 Pro. Compare sizes, cameras, batteries, memory capacities and other key specifications and features to simplify the choice of your perfect phone. Our goal is to make it easier for you to decide on the phone that will best meet your expectations by revealing the main differences between the products.

Phone Specifications Comparison

ASUS ZenFone 3 (ZE520KL) vs. Xiaomi POCO X3 Pro Comparison Chart
DESIGN AND DIMENSIONS ASUS ZenFone 3 (ZE520KL) Xiaomi POCO X3 Pro
Product Type Smartphone Smartphone
Manufacturer Model Number ZE520KL -
Form Factor Touch Touch
Height 146.87 mm 165.3 mm Xiaomi POCO X3 Pro has greater height than ASUS ZenFone 3 (ZE520KL).
Width 73.98 mm 76.8 mm Xiaomi POCO X3 Pro has greater width than ASUS ZenFone 3 (ZE520KL).
Depth 7.69 mm 9.4 mm ASUS ZenFone 3 (ZE520KL) is narrower than ASUS ZenFone 3 (ZE520KL).
Weight 144 g 215 g ASUS ZenFone 3 (ZE520KL) is lighter than ASUS ZenFone 3 (ZE520KL).
Body Colour Moon white | Gold shimmer | Black sapphire Phantom black | Metallic bronze | Frost blue
Body Material Metal, glass -
Protection - Splashproof
Waterproof (Water-resistant) - -
IP rating - IP53
SAR Value 0.938 W/kg (body), 0.278 W/kg (head) 0.899 W/kg (body), 0.573 W/kg (head), 1.898 W/kg (limb)
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 Nano SIM + nano SIM/microSD
DISPLAY ASUS ZenFone 3 (ZE520KL) Xiaomi POCO X3 Pro
Display Type LCD display -
Display Technology Super IPS+ -
Screen Size (Display Size) 5.2" 6.67" Xiaomi POCO X3 Pro has larger screen size than ASUS ZenFone 3 (ZE520KL).
Screen Resolution (Display Resolution) 1920 x 1080 pixels 2400 x 1080 pixels Xiaomi POCO X3 Pro has better screen resolution than ASUS ZenFone 3 (ZE520KL).
Display Format Full HD Full HD+
Pixel Density - 395 ppi
Aspect Ratio - 20:9
Max Brightness 600 cd/m² 450 cd/m² ASUS ZenFone 3 (ZE520KL) has better display brightness than Xiaomi POCO X3 Pro.
Display Enhancement Technology Bluelight Filter for Eye Care Sunlight mode
Display Refresh Rate - 120 Hz
Touch Sampling Rate - 240 Hz
Display Features ASUS Glove Touch technology, 2.5D curved glass Dot Display, Reading mode 3, DynamicSwitch refresh rate
Display Protection (Screen Protector) Fingerprint-resistant oleophobic coating, Corning Gorilla Glass (scratch resistant glass) Corning Gorilla Glass 6 (scratch resistant glass)
PROCESSOR ASUS ZenFone 3 (ZE520KL) Xiaomi POCO X3 Pro
Processor Type (CPU) Qualcomm Snapdragon 625 Qualcomm Snapdragon 860
Clock Speed 2 GHz 2.96 GHz Xiaomi POCO X3 Pro has higher clock speed than ASUS ZenFone 3 (ZE520KL).
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 640
MEMORY ASUS ZenFone 3 (ZE520KL) Xiaomi POCO X3 Pro
RAM 3 GB LPDDR4X SDRAM - 6 GB Xiaomi POCO X3 Pro has more RAM than ASUS ZenFone 3 (ZE520KL).
Internal Memory Size (Storage Capacity) 32 GB 128 GB Xiaomi POCO X3 Pro has more internal memory than ASUS ZenFone 3 (ZE520KL).
Memory Interface - UFS 3.1
Supported Flash Memory Cards (Expandable Memory) microSDHC, microSDXC - up to 2 TB microSDHC, microSD, microSDXC - up to 1 TB
CAMERA ASUS ZenFone 3 (ZE520KL) Xiaomi POCO X3 Pro
MAIN CAMERA
Number of Main Cameras 1 4
Sensor Resolution 16 Megapixel 48 Megapixel Xiaomi POCO X3 Pro 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 POCO X3 Pro has better lens aperture than ASUS ZenFone 3 (ZE520KL).
Lens Construction 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 Night mode, Dual video mode
Light Source Dual LED flash LED 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, 3840 x 2160 (4K) at 30 fps
Camera Features (Functions) Sapphire crystal lens cover, GIF animation function, Smart Remove, Electronic Image Stabiliser (EIS), Time Rewind, Largan lens 4-in-1 to 1.6μm Super Pixel
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) - 119 degree(s)
THIRD CAMERA
Sensor Resolution (3rd Camera) - 2 Megapixel
Lens Aperture (3rd Camera) - F/2.4
Camera Functions (3rd Camera) - Macro camera
Camera Features (3rd Camera) - FF (4cm)
FOURTH CAMERA
Sensor Resolution (4th Camera) - 2 Megapixel
Lens Aperture (4th Camera) - F/2.4
Camera Functions (4th Camera) - Depth camera
FRONT CAMERA
Number of Front Cameras 1 1
Sensor Resolution (Front) 8 Megapixel 20 Megapixel Xiaomi POCO X3 Pro has better front camera resolution than ASUS ZenFone 3 (ZE520KL).
Lens Aperture (Front) F/2.0 F/2.2 ASUS ZenFone 3 (ZE520KL) has better front lens aperture than ASUS ZenFone 3 (ZE520KL).
Pixel Size (Front) - 1.6 μm
HDR Mode (Front) Auto HDR mode -
Camera Modes (Front) Selfie panorama Night mode, Dual video mode
Camera Features (Front) PixelMaster camera 4-in-1 Super Pixel technology
BATTERY AND CHARGING ASUS ZenFone 3 (ZE520KL) Xiaomi POCO X3 Pro
Battery Capacity (Battery Size) 2650 mAh 5160 mAh Xiaomi POCO X3 Pro has larger battery capacity than ASUS ZenFone 3 (ZE520KL).
Recharge Time (Charging Time) - 59 min
Run Time Details - Playback (video): up to 18 hrs
Gaming: up to 11 hrs
Playback (Music): up to 110 hrs
CELLULAR ASUS ZenFone 3 (ZE520KL) Xiaomi POCO X3 Pro
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 MIUI 12
Payment Technology - Google Pay
Navigation GPS, A-GPS, GLONASS, BeiDou GPS, A-GPS, GLONASS, BeiDou, Galileo
COMMUNICATIONS ASUS ZenFone 3 (ZE520KL) Xiaomi POCO X3 Pro
Data Transmission GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE, FDD-LTE, DC-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, Band 41
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, TDD 2500
Wireless Interface Infrared (IrDA), IEEE 802.11b/g/n/ac Wi-Fi 5
Bluetooth Bluetooth 4.2 Bluetooth 5.0
NFC - Yes Xiaomi POCO X3 Pro has NFC reader for mobile payments.
Messaging Services SMS, MMS -
MEDIA ASUS ZenFone 3 (ZE520KL) Xiaomi POCO X3 Pro
Sound Enhancements - Hi-Res audio
FEATURES ASUS ZenFone 3 (ZE520KL) Xiaomi POCO X3 Pro
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 motor
Security Devices Fingerprint reader Face recognition, fingerprint reader (side)
Security Technology - AI face unlock
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 Infrared remote control, MIMO technology, AI face unlock, AI Engine, LiquidCool Technology 1.0 Plus, MMT (Middle Middle Tab) technology, dual stereo speakers
OTHERS ASUS ZenFone 3 (ZE520KL) Xiaomi POCO X3 Pro
Included Accessories Power adapter SIM card removal tool, USB-C cable, protective case, 33W charger
Compliant Standards - IP53
Other projects: