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

Phone Comparison, Reviews and Tests

Detailed comparison and review of ASUS ZenFone 3 (ZE520KL) and Xiaomi POCO X3 NFC. 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.

Phone Specifications Comparison

ASUS ZenFone 3 (ZE520KL) vs. Xiaomi POCO X3 NFC Comparison Chart
DESIGN AND DIMENSIONS ASUS ZenFone 3 (ZE520KL) Xiaomi POCO X3 NFC
Product Type Smartphone Smartphone
Manufacturer Model Number ZE520KL -
Form Factor Touch Touch
Height 146.87 mm 165.3 mm Xiaomi POCO X3 NFC has greater height than ASUS ZenFone 3 (ZE520KL).
Width 73.98 mm 76.8 mm Xiaomi POCO X3 NFC 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 Cobalt blue | Shadow grey
Body Material Metal, glass -
Protection - Splashproof
Waterproof (Water-resistant) - -
IP rating - IP53
SAR Value 0.938 W/kg (body), 0.278 W/kg (head) 0.558 W/kg (head), 0.986 W/kg (body), 1.997 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 NFC
Display Type LCD display -
Display Technology Super IPS+ -
Screen Size (Display Size) 5.2" 6.67" Xiaomi POCO X3 NFC has larger screen size than ASUS ZenFone 3 (ZE520KL).
Screen Resolution (Display Resolution) 1920 x 1080 pixels 2400 x 1080 pixels Xiaomi POCO X3 NFC 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 -
Contrast Ratio - 1500:1
HDR - Yes Xiaomi POCO X3 NFC has HDR.
HDR Technology - HDR10
Display Enhancement Technology Bluelight Filter for Eye Care -
Display Refresh Rate - 120 Hz
Touch Sampling Rate - 240 Hz
Display Features ASUS Glove Touch technology, 2.5D curved glass Dark mode, Dot 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 POCO X3 NFC
Processor Type (CPU) Qualcomm Snapdragon 625 Qualcomm Snapdragon 732G
Clock Speed 2 GHz 2.3 GHz Xiaomi POCO X3 NFC 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 Yes Both phones have 64-bit architecture.
Graphics System (GPU) Qualcomm ADRENO 506 Qualcomm ADRENO 618
MEMORY ASUS ZenFone 3 (ZE520KL) Xiaomi POCO X3 NFC
RAM 3 GB LPDDR4X SDRAM - 6 GB Xiaomi POCO X3 NFC has more RAM than ASUS ZenFone 3 (ZE520KL).
Internal Memory Size (Storage Capacity) 32 GB 64 GB Xiaomi POCO X3 NFC has more internal memory than ASUS ZenFone 3 (ZE520KL).
Memory Interface - UFS 2.1
Supported Flash Memory Cards (Expandable Memory) microSDHC, microSDXC - up to 2 TB microSDHC, microSDXC - up to 256 GB
CAMERA ASUS ZenFone 3 (ZE520KL) Xiaomi POCO X3 NFC
MAIN CAMERA
Number of Main Cameras 1 4
Sensor Resolution 16 Megapixel 64 Megapixel Xiaomi POCO X3 NFC has better camera resolution than ASUS ZenFone 3 (ZE520KL).
Sensor Size - 1/1.73"
Sensor Name Sony Exmor RS IMX298 sensor Sony Exmor RS IMX682 sensor
Lens Aperture F/2.0 F/1.89 Xiaomi POCO X3 NFC 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 Kaleidoscope
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 Pro mode, night mode, SteadyShot, AI portrait mode, AI Beautify, Pro Video mode, Macro video, Movie frame, photo filters, AI SkyScaping 3.0, AI photo clones, Timed burst, Document mode 2.0
Light Source Dual LED flash LED flash
Video Resolutions 3840 x 2160 (4K) 1920 x 1080 (1080p) at 30 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, Slo-mo video 1280 x 720 (720p) at 960 fps
Camera Features (Functions) Sapphire crystal lens cover, GIF animation function, Smart Remove, Electronic Image Stabiliser (EIS), Time Rewind, Largan lens 4-in-1 Super Pixel, AI scene detection, AI Quad camera, Support LOG format, 6 long exposure modes, AI dynamic studio
SECOND CAMERA
Sensor Resolution (2nd Camera) - 13 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
Pixel Size (3rd Camera) - 1.75 μm
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
Pixel Size (4th Camera) - 1.75 μm
Camera Functions (4th Camera) - Depth camera
FRONT CAMERA
Number of Front Cameras 1 1
Sensor Resolution (Front) 8 Megapixel 20 Megapixel Xiaomi POCO X3 NFC 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
Special Effects (Front) - HDR
HDR Mode (Front) Auto HDR mode -
Camera Modes (Front) Selfie panorama Selfie panorama, portrait mode, AI Beautify, Short video mode
Light Source (Front) - Display flash
Camera Features (Front) PixelMaster camera Self-timer, 4-in-1 Super Pixel technology, AI scene detection, AI studio lighting, Palm shutter, full screen frame, Short video filter
BATTERY AND CHARGING ASUS ZenFone 3 (ZE520KL) Xiaomi POCO X3 NFC
Battery Capacity (Battery Size) 2650 mAh 5160 mAh Xiaomi POCO X3 NFC has larger battery capacity than ASUS ZenFone 3 (ZE520KL).
Run Time Details - Playback (video): up to 17 hrs
Gaming: up to 10 hrs
Playback (Music): up to 153 hrs
CELLULAR ASUS ZenFone 3 (ZE520KL) Xiaomi POCO X3 NFC
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) Android 10
User Interface ASUS ZenUI 3.0 POCO Launcher 2.0 (MIUI12)
Payment Technology - Google Pay
Navigation GPS, A-GPS, GLONASS, BeiDou GPS, A-GPS, GLONASS, BeiDou
COMMUNICATIONS ASUS ZenFone 3 (ZE520KL) Xiaomi POCO X3 NFC
Data Transmission GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE, FDD-LTE, DC-HSPA+ GPRS, EDGE, HSDPA, HSUPA, HSPA+, VoLTE, FDD-LTE, TDD-LTE
2G Band 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
Bluetooth Bluetooth 4.2 Bluetooth 5.1
NFC - Yes Xiaomi POCO X3 NFC has NFC reader for mobile payments.
Messaging Services SMS, MMS SMS, MMS
MEDIA ASUS ZenFone 3 (ZE520KL) Xiaomi POCO X3 NFC
Supported Digital Audio Standards - WAV, WMA, AAC, AMR, MP3, FLAC, OGG, APE (Monkey's Audio), M4A, DSF, AWB
Supported Digital Video Standards - MKV, AVI, WMV, ASF, 3GP, M4V, WebM, 3G2, MP4
Sound Enhancements - Hi-Res audio
FEATURES ASUS ZenFone 3 (ZE520KL) Xiaomi POCO X3 NFC
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
Security Devices Fingerprint reader Face recognition, fingerprint reader (side)
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, Google Lens, linear motor, Qualcomm 4th generation AI Engine, LiquidCool Technology 1.0 Plus, GAME Turbo 3.0
OTHERS ASUS ZenFone 3 (ZE520KL) Xiaomi POCO X3 NFC
Included Accessories Power adapter SIM card removal tool, USB-C cable, 33W charger, anti-bacterial case, anti-bacterial screen protector
Compliant Standards - IP53, TUV Rheinland Low Blue Light Certification
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