ASUS ZenFone 3 (ZE520KL) vs. Realme 6i

Phone Comparison, Reviews and Tests

In depth comparison and review of ASUS ZenFone 3 (ZE520KL) and Realme 6i. 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.

Phone Specifications Comparison

ASUS ZenFone 3 (ZE520KL) vs. Realme 6i Comparison Chart
DESIGN AND DIMENSIONS ASUS ZenFone 3 (ZE520KL) Realme 6i
Product Type Smartphone Smartphone
Manufacturer Model Number ZE520KL -
Form Factor Touch Touch
Height 146.87 mm 164.4 mm Realme 6i has greater height than ASUS ZenFone 3 (ZE520KL).
Width 73.98 mm 75.4 mm Realme 6i has greater width than ASUS ZenFone 3 (ZE520KL).
Depth 7.69 mm 9 mm ASUS ZenFone 3 (ZE520KL) is narrower than ASUS ZenFone 3 (ZE520KL).
Weight 144 g 199 g ASUS ZenFone 3 (ZE520KL) is lighter than ASUS ZenFone 3 (ZE520KL).
Body Colour Moon white | Gold shimmer | Black sapphire Milk white
Body Material Metal, glass -
Waterproof (Water-resistant) - -
SAR Value 0.938 W/kg (body), 0.278 W/kg (head) 0.59 W/kg (body), 1.14 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
SIM Card Type (Size) 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) Realme 6i
Display Type LCD display -
Display Technology Super IPS+ -
Screen Size (Display Size) 5.2" 6.5" Realme 6i has larger screen size than ASUS ZenFone 3 (ZE520KL).
Screen Resolution (Display Resolution) 1920 x 1080 pixels 1600 x 720 pixels ASUS ZenFone 3 (ZE520KL) has better screen resolution than Realme 6i.
Display Format Full HD HD+
Aspect Ratio - 20:9
Max Brightness 600 cd/m² -
Display Enhancement Technology Bluelight Filter for Eye Care -
Display Features ASUS Glove Touch technology, 2.5D curved glass Eye Care, Mini-drop display
Display Protection (Screen Protector) Fingerprint-resistant oleophobic coating, Corning Gorilla Glass (scratch resistant glass) Corning Gorilla Glass 3 (scratch resistant glass)
PROCESSOR ASUS ZenFone 3 (ZE520KL) Realme 6i
Processor Type (CPU) Qualcomm Snapdragon 625 MediaTek Helio G80
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 Mali-G52
MEMORY ASUS ZenFone 3 (ZE520KL) Realme 6i
RAM 3 GB LPDDR4X SDRAM - 4 GB Realme 6i has more RAM than ASUS ZenFone 3 (ZE520KL).
Internal Memory Size (Storage Capacity) 32 GB 128 GB Realme 6i has more internal memory than ASUS ZenFone 3 (ZE520KL).
Supported Flash Memory Cards (Expandable Memory) microSDHC, microSDXC - up to 2 TB microSD
CAMERA ASUS ZenFone 3 (ZE520KL) Realme 6i
MAIN CAMERA
Number of Main Cameras 1 4
Sensor Resolution 16 Megapixel 48 Megapixel Realme 6i has better camera resolution than ASUS ZenFone 3 (ZE520KL).
Sensor Name Sony Exmor RS IMX298 sensor -
Lens Aperture F/2.0 F/1.8 Realme 6i 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 -
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 LED flash
Video Resolutions 3840 x 2160 (4K) 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps
Camera Features (Functions) Sapphire crystal lens cover, GIF animation function, Smart Remove, Electronic Image Stabiliser (EIS), Time Rewind, Largan lens AI Quad camera
SECOND CAMERA
Sensor Resolution (2nd Camera) - 8 Megapixel
Lens Type (2nd Camera) - Ultra wide-angle lens
Lens Aperture (2nd Camera) - F/2.3
Field of View (2nd Camera) - 119 degree(s)
THIRD CAMERA
Lens Aperture (3rd Camera) - F/2.4
Camera Functions (3rd Camera) - Potrait camera
Camera Features (3rd Camera) - B&W Portrait lens
FOURTH CAMERA
Sensor Resolution (4th Camera) - 2 Megapixel
Lens Aperture (4th Camera) - F/2.4
Camera Functions (4th Camera) - Macro camera
Camera Features (4th Camera) - 4cm macro photography
FRONT CAMERA
Number of Front Cameras 1 1
Sensor Resolution (Front) 8 Megapixel 16 Megapixel Realme 6i 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.
HDR Mode (Front) Auto HDR mode -
Camera Modes (Front) Selfie panorama AI Beauty
Face Recognition (Face ID) - Face recognition Realme 6i has face detection.
Camera Features (Front) PixelMaster camera -
BATTERY AND CHARGING ASUS ZenFone 3 (ZE520KL) Realme 6i
Battery Capacity (Battery Size) 2650 mAh 5000 mAh Realme 6i has larger battery capacity than ASUS ZenFone 3 (ZE520KL).
Standby Time - 936 hours
Talk Time - 1758 minutes
Run Time Details - Standby: up to 936 hrs
Talk: up to 1758 min
Playback (Music): up to 54.7 hrs
Continuous viewing (YouTube): up to 20.6 hrs
Continuous viewing (Instagram): up to 19.7 hrs
CELLULAR ASUS ZenFone 3 (ZE520KL) Realme 6i
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 Realme UI
Navigation GPS, A-GPS, GLONASS, BeiDou GPS, A-GPS, GLONASS, BeiDou
COMMUNICATIONS ASUS ZenFone 3 (ZE520KL) Realme 6i
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 IEEE 802.11b/g/n
Bluetooth Bluetooth 4.2 Bluetooth 5.0
NFC - Yes Realme 6i has NFC reader for mobile payments.
Messaging Services SMS, MMS -
FEATURES ASUS ZenFone 3 (ZE520KL) Realme 6i
Phone Functions 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, magnetometer, gyro sensor
Security Devices 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 -
OTHERS ASUS ZenFone 3 (ZE520KL) Realme 6i
Included Accessories Power adapter SIM card removal tool, USB-C cable, protective case, 18W charger, protective film
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