ASUS ZenFone 3 (ZE520KL) vs. Ulefone Armor X3

Phone Comparison, Reviews and Tests

Side by side comparison and review of ASUS ZenFone 3 (ZE520KL) and Ulefone Armor X3. 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. Ulefone Armor X3 Comparison Chart
DESIGN AND DIMENSIONS ASUS ZenFone 3 (ZE520KL) Ulefone Armor X3
Product Type Smartphone Smartphone
Manufacturer Model Number ZE520KL -
Form Factor Touch Touch - Rugged
Height 146.87 mm 158 mm Ulefone Armor X3 has greater height than ASUS ZenFone 3 (ZE520KL).
Width 73.98 mm 77.5 mm Ulefone Armor X3 has greater width than ASUS ZenFone 3 (ZE520KL).
Depth 7.69 mm 13.85 mm ASUS ZenFone 3 (ZE520KL) is narrower than ASUS ZenFone 3 (ZE520KL).
Weight 144 g 235 g ASUS ZenFone 3 (ZE520KL) is lighter than ASUS ZenFone 3 (ZE520KL).
Body Colour Moon white | Gold shimmer | Black sapphire Silver
Body Material Metal, glass Aluminium alloy, thermoplastic polyurethane (TPU)
Protection - Dustproof, waterproof, drop-proof, splash-resistant
Waterproof (Water-resistant) - Yes Ulefone Armor X3 is waterproof.
IP rating - IP68, IP69K, IP69
SAR Value 0.938 W/kg (body), 0.278 W/kg (head) 0.356 W/kg (body), 0.186 W/kg (head)
Integrated Components FM radio -
Connector Type Headset jack - mini-phone 3.5mm
USB Type-C - 24 pin USB-C
Headset jack - mini-phone 3.5mm
Micro-USB - 5 pin Micro-USB Type B
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) Ulefone Armor X3
Display Type LCD display LCD display
Display Technology Super IPS+ IPS
Screen Size (Display Size) 5.2" 5.5" Ulefone Armor X3 has larger screen size than ASUS ZenFone 3 (ZE520KL).
Screen Resolution (Display Resolution) 1920 x 1080 pixels 1440 x 720 pixels ASUS ZenFone 3 (ZE520KL) has better screen resolution than Ulefone Armor X3.
Display Format Full HD HD+
Pixel Density - 293 ppi
Aspect Ratio - 18:9
Max Brightness 600 cd/m² -
Display Enhancement Technology Bluelight Filter for Eye Care -
Display Features ASUS Glove Touch technology, 2.5D curved glass -
Display Protection (Screen Protector) Fingerprint-resistant oleophobic coating, Corning Gorilla Glass (scratch resistant glass) -
PROCESSOR ASUS ZenFone 3 (ZE520KL) Ulefone Armor X3
Processor Type (CPU) Qualcomm Snapdragon 625 MediaTek
Processor Number - MT6580
Clock Speed 2 GHz 1.3 GHz ASUS ZenFone 3 (ZE520KL) has higher clock speed than Ulefone Armor X3.
Processor Core Qty 8-core Quad-core ASUS ZenFone 3 (ZE520KL) has higher processor core quantity than Ulefone Armor X3.
64-bit Architecture Yes - ASUS ZenFone 3 (ZE520KL) has 64-bit architecture.
Graphics System (GPU) Qualcomm ADRENO 506 -
MEMORY ASUS ZenFone 3 (ZE520KL) Ulefone Armor X3
RAM 3 GB 2 GB ASUS ZenFone 3 (ZE520KL) has more RAM than Ulefone Armor X3.
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 2 TB microSDHC, microSDXC - up to 128 GB
CAMERA ASUS ZenFone 3 (ZE520KL) Ulefone Armor X3
MAIN CAMERA
Number of Main Cameras 1 2
Sensor Resolution 16 Megapixel 8 Megapixel ASUS ZenFone 3 (ZE520KL) has better camera resolution than Ulefone Armor X3.
Sensor Name Sony Exmor RS IMX298 sensor -
Lens Aperture F/2.0 F/1.8 Ulefone Armor X3 has better lens aperture than ASUS ZenFone 3 (ZE520KL).
Lens Construction 6-element 5-element
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 Underwater mode
Light Source Dual LED flash Dual LED flash
Video Resolutions 3840 x 2160 (4K) 1920 x 1080 (1080p)
Camera Features (Functions) Sapphire crystal lens cover, GIF animation function, Smart Remove, Electronic Image Stabiliser (EIS), Time Rewind, Largan lens -
SECOND CAMERA
Sensor Resolution (2nd Camera) - 2 Megapixel
FRONT CAMERA
Number of Front Cameras 1 1
Sensor Resolution (Front) 8 Megapixel 5 Megapixel ASUS ZenFone 3 (ZE520KL) has better front camera resolution than Ulefone Armor X3.
Lens Aperture (Front) F/2.0 F/2.0 Both phones have the same front camera lens aperture.
Lens Element Qty (Front) - 4-element
HDR Mode (Front) Auto HDR mode -
Camera Modes (Front) Selfie panorama -
Camera Features (Front) PixelMaster camera -
BATTERY AND CHARGING ASUS ZenFone 3 (ZE520KL) Ulefone Armor X3
Battery Capacity (Battery Size) 2650 mAh 5000 mAh Ulefone Armor X3 has larger battery capacity than ASUS ZenFone 3 (ZE520KL).
Standby Time - 440 hours
Talk Time - 1500 minutes
Run Time Details - Talk: up to 1500 min
Standby: up to 440 hrs
Playback (Music): up to 34 hrs
Playback (video): up to 9 hrs
Battery Technology - Lithium polymer
CELLULAR ASUS ZenFone 3 (ZE520KL) Ulefone Armor X3
Technology WCDMA (UMTS) / GSM WCDMA (UMTS) / GSM
Mobile Broadband Generation 4G 3G ASUS ZenFone 3 (ZE520KL) has more advanced generation mobile network.
Operating System Android 6.0 (Marshmallow) Android 9.0 Pie
User Interface ASUS ZenUI 3.0 -
Navigation GPS, A-GPS, GLONASS, BeiDou GPS
COMMUNICATIONS ASUS ZenFone 3 (ZE520KL) Ulefone Armor X3
Data Transmission GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE, FDD-LTE, DC-HSPA+ GPRS, EDGE, HSDPA, HSUPA, HSPA+
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 -
4G LTE Frequency FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD -
Wireless Interface Infrared (IrDA), IEEE 802.11b/g/n/ac IEEE 802.11b/g/n
Bluetooth Bluetooth 4.2 Bluetooth 4.0
Messaging Services SMS, MMS SMS, MMS
MEDIA ASUS ZenFone 3 (ZE520KL) Ulefone Armor X3
Supported Digital Audio Standards - AAC, AMR, MP3, FLAC
Supported Digital Video Standards - MPEG-4, 3GP
FEATURES ASUS ZenFone 3 (ZE520KL) Ulefone Armor X3
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, digital compass, L-sensor, P-sensor
Security Devices Fingerprint reader Face recognition
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 Face Unlock, Glove mode, customised button
OTHERS ASUS ZenFone 3 (ZE520KL) Ulefone Armor X3
Included Accessories Power adapter USB cable, power adapter, SIM card removal tool, tempered glass screen protector
Compliant Standards - MIL-STD 810G, IP68, IP69K
Max Depth of Water Resistance - 1.5 m
Max Operating Temperature - 60 °C
Min Operating Temperature - -20 °C
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