ASUS ZenFone 3 (ZE520KL) vs. Fairphone 3

Phone Comparison, Reviews and Tests

Detailed comparison and review of ASUS ZenFone 3 (ZE520KL) and Fairphone 3. 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. Fairphone 3 Comparison Chart
DESIGN AND DIMENSIONS ASUS ZenFone 3 (ZE520KL) Fairphone 3
Product Type Smartphone Smartphone
Manufacturer Model Number ZE520KL -
Form Factor Touch Touch
Height 146.87 mm 158 mm Fairphone 3 has greater height than ASUS ZenFone 3 (ZE520KL).
Width 73.98 mm 71.8 mm ASUS ZenFone 3 (ZE520KL) has greater width than Fairphone 3.
Depth 7.69 mm 9.83 mm ASUS ZenFone 3 (ZE520KL) is narrower than ASUS ZenFone 3 (ZE520KL).
Weight 144 g 189 g ASUS ZenFone 3 (ZE520KL) is lighter than ASUS ZenFone 3 (ZE520KL).
Body Colour Moon white | Gold shimmer | Black sapphire Dark translucent
Body Material Metal, glass -
Waterproof (Water-resistant) - -
SAR Value 0.938 W/kg (body), 0.278 W/kg (head) 1.405 W/kg (body), 0.388 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) Fairphone 3
Display Type LCD display LCD display
Display Technology Super IPS+ IPS
Screen Size (Display Size) 5.2" 5.65" Fairphone 3 has larger screen size than ASUS ZenFone 3 (ZE520KL).
Screen Resolution (Display Resolution) 1920 x 1080 pixels 2160 x 1080 pixels Fairphone 3 has better screen resolution than ASUS ZenFone 3 (ZE520KL).
Display Format Full HD Full HD+
Pixel Density - 427 ppi
Aspect Ratio - 18:9
Max Brightness 600 cd/m² -
Colour Depth - 16.7 million colours
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) Corning Gorilla Glass 5 (scratch resistant glass)
PROCESSOR ASUS ZenFone 3 (ZE520KL) Fairphone 3
Processor Type (CPU) Qualcomm Snapdragon 625 Qualcomm Snapdragon 632
Clock Speed 2 GHz 1.8 GHz ASUS ZenFone 3 (ZE520KL) has higher clock speed than Fairphone 3.
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 506
MEMORY ASUS ZenFone 3 (ZE520KL) Fairphone 3
RAM 3 GB 4 GB Fairphone 3 has more RAM than ASUS ZenFone 3 (ZE520KL).
Internal Memory Size (Storage Capacity) 32 GB 64 GB Fairphone 3 has more internal memory than ASUS ZenFone 3 (ZE520KL).
Supported Flash Memory Cards (Expandable Memory) microSDHC, microSDXC - up to 2 TB microSDHC, microSDXC
CAMERA ASUS ZenFone 3 (ZE520KL) Fairphone 3
MAIN CAMERA
Number of Main Cameras 1 1
Sensor Resolution 16 Megapixel 12 Megapixel ASUS ZenFone 3 (ZE520KL) has better camera resolution than Fairphone 3.
Sensor Size - 1/2.55"
Sensor Name Sony Exmor RS IMX298 sensor Sony Exmor RS IMX363 sensor
Lens Aperture F/2.0 F/1.8 Fairphone 3 has better lens aperture than ASUS ZenFone 3 (ZE520KL).
Lens Construction 6-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 -
Digital Zoom - 8x
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 -
Light Source Dual LED flash Dual LED flash
Video Resolutions 3840 x 2160 (4K) 1920 x 1080 (1080p) at 30 fps, 3840 x 2160 (4K) at 30 fps, 1280 x 720 (720p) at 60 fps
Camera Features (Functions) Sapphire crystal lens cover, GIF animation function, Smart Remove, Electronic Image Stabiliser (EIS), Time Rewind, Largan lens Dual Phase Detect Auto-Focus (PDAF), digital image stabilisation
FRONT CAMERA
Number of Front Cameras 1 1
Sensor Resolution (Front) 8 Megapixel 8 Megapixel Both phones have the same front camera resolution.
Sensor Size (Front) - 1/4"
Lens Aperture (Front) F/2.0 F/2.0 Both phones have the same front camera lens aperture.
Special Effects (Front) - HDR
HDR Mode (Front) Auto HDR mode -
Camera Modes (Front) Selfie panorama -
Camera Features (Front) PixelMaster camera Up to 8x digital zoom, digital image stabilisation
BATTERY AND CHARGING ASUS ZenFone 3 (ZE520KL) Fairphone 3
Battery Capacity (Battery Size) 2650 mAh 3000 mAh Fairphone 3 has larger battery capacity than ASUS ZenFone 3 (ZE520KL).
Recharge Time (Charging Time) - 3.5 hour(s)
Standby Time - 300 hours
Talk Time - 1200 minutes
Run Time Details - Talk: up to 1200 min
Standby: up to 300 hrs
Battery Technology - Lithium Ion
CELLULAR ASUS ZenFone 3 (ZE520KL) Fairphone 3
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 9.0 Pie
User Interface ASUS ZenUI 3.0 -
Navigation GPS, A-GPS, GLONASS, BeiDou GPS, A-GPS, GLONASS, Galileo
COMMUNICATIONS ASUS ZenFone 3 (ZE520KL) Fairphone 3
Data Transmission GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE, FDD-LTE, DC-HSPA+ GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE, VoLTE, VoWiFi
2G Band 850 GSM, 900 GSM, 1800 GSM, 1900 GSM 850 GSM, 900 GSM, 1800 GSM, 1900 GSM
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 13, Band 20, Band 26
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 700c, FDD 800 DD, FDD 850+
Wireless Interface Infrared (IrDA), IEEE 802.11b/g/n/ac IEEE 802.11a/b/g/n/ac
Bluetooth Bluetooth 4.2 Bluetooth 5.0 LE
NFC - Yes Fairphone 3 has NFC reader for mobile payments.
Messaging Services SMS, MMS SMS, MMS
MEDIA ASUS ZenFone 3 (ZE520KL) Fairphone 3
Supported Digital Audio Standards - AAC, AIFF, PCM, MP3, FLAC, AAC +, eAAC+, APE (Monkey's Audio), WMA v10, WMA v9, WMA Lossless 9, WMA 10 Pro, ALAC, AMR-WB, AMR-NB, Vorbis
Supported Digital Video Standards - VC-1, MPEG-4, DivX, MPEG-2, H.264, H.263, HEVC, VP8, VP9
FEATURES ASUS ZenFone 3 (ZE520KL) Fairphone 3
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, barometer, gyro sensor
Security Devices Fingerprint reader Fingerprint reader
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 MIMO technology, modular and repairable design, recycled and fair materials
OTHERS ASUS ZenFone 3 (ZE520KL) Fairphone 3
Included Accessories Power adapter Bumper, mini screwdriver
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