ASUS ZenFone 3 (ZE520KL) vs. Realme 9i

Phone Comparison, Reviews and Tests

Detailed comparison and review of ASUS ZenFone 3 (ZE520KL) and Realme 9i. 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. Realme 9i Comparison Chart
DESIGN AND DIMENSIONS ASUS ZenFone 3 (ZE520KL) Realme 9i
Product Type Smartphone Smartphone
Manufacturer Model Number ZE520KL -
Form Factor Touch Touch
Height 146.87 mm 164.4 mm Realme 9i has greater height than ASUS ZenFone 3 (ZE520KL).
Width 73.98 mm 75.7 mm Realme 9i has greater width than ASUS ZenFone 3 (ZE520KL).
Depth 7.69 mm 8.4 mm ASUS ZenFone 3 (ZE520KL) is narrower than ASUS ZenFone 3 (ZE520KL).
Weight 144 g 190 g ASUS ZenFone 3 (ZE520KL) is lighter than ASUS ZenFone 3 (ZE520KL).
Body Colour Moon white | Gold shimmer | Black sapphire Prism black | Prism blue
Body Material Metal, glass -
Waterproof (Water-resistant) - -
SAR Value 0.938 W/kg (body), 0.278 W/kg (head) 1.02 W/kg (body), 2.072 W/kg (limb), 0.788 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 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 9i
Display Type LCD display -
Display Technology Super IPS+ -
Screen Size (Display Size) 5.2" 6.6" Realme 9i has larger screen size than ASUS ZenFone 3 (ZE520KL).
Screen Resolution (Display Resolution) 1920 x 1080 pixels 2412 x 1080 pixels Realme 9i has better screen resolution than ASUS ZenFone 3 (ZE520KL).
Display Format Full HD Full HD+
Pixel Density - 401 ppi
Max Brightness 600 cd/m² 480 cd/m² ASUS ZenFone 3 (ZE520KL) has better display brightness than Realme 9i.
Display Enhancement Technology Bluelight Filter for Eye Care Ultra-Smooth
Display Refresh Rate - 90 Hz
Touch Sampling Rate - 180 Hz
Display Features ASUS Glove Touch technology, 2.5D curved glass 5-level fresh rates
Display Protection (Screen Protector) Fingerprint-resistant oleophobic coating, Corning Gorilla Glass (scratch resistant glass) Dragontrail PRO (scratch resistant glass)
PROCESSOR ASUS ZenFone 3 (ZE520KL) Realme 9i
Processor Type (CPU) Qualcomm Snapdragon 625 Qualcomm Snapdragon 680
Clock Speed 2 GHz 2.4 GHz Realme 9i 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 610
MEMORY ASUS ZenFone 3 (ZE520KL) Realme 9i
RAM 3 GB LPDDR4X SDRAM - 4 GB + up to 11 GB virtual extension Realme 9i has more RAM than ASUS ZenFone 3 (ZE520KL).
Internal Memory Size (Storage Capacity) 32 GB 128 GB Realme 9i 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, microSD, microSDXC - up to 1 TB
CAMERA ASUS ZenFone 3 (ZE520KL) Realme 9i
MAIN CAMERA
Number of Main Cameras 1 3
Sensor Resolution 16 Megapixel 50 Megapixel Realme 9i 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 9i 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
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 Panorama, Slow motion mode, night mode, Expert Mode, portrait mode, Timelapse video, Ultra Macro Mode, 50MP mode, Super Text, Digital Zoom 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, 1280 x 720 (720p) at 120 fps
Camera Features (Functions) Sapphire crystal lens cover, GIF animation function, Smart Remove, Electronic Image Stabiliser (EIS), Time Rewind, Largan lens Phase Detect Auto-Focus (PDAF), AI Triple camera
SECOND CAMERA
Sensor Resolution (2nd Camera) - 2 Megapixel
Lens Aperture (2nd Camera) - F/2.4
Camera Functions (2nd Camera) - Macro camera
Camera Features (2nd Camera) - 4cm macro photography
THIRD CAMERA
Sensor Resolution (3rd Camera) - 2 Megapixel
Lens Aperture (3rd Camera) - F/2.4
Camera Functions (3rd Camera) - B&W lens
FRONT CAMERA
Number of Front Cameras 1 1
Sensor Resolution (Front) 8 Megapixel 16 Megapixel Realme 9i has better front camera resolution than ASUS ZenFone 3 (ZE520KL).
Lens Aperture (Front) F/2.0 F/2.1 ASUS ZenFone 3 (ZE520KL) has better front lens aperture than ASUS ZenFone 3 (ZE520KL).
Lens Element Qty (Front) - 5-element
Special Effects (Front) - HDR
HDR Mode (Front) Auto HDR mode -
Camera Modes (Front) Selfie panorama Panorama, Time-lapse mode, night mode, portrait mode, AI Beauty
Video Resolutions (Front) - 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps
Camera Features (Front) PixelMaster camera -
BATTERY AND CHARGING ASUS ZenFone 3 (ZE520KL) Realme 9i
Battery Capacity (Battery Size) 2650 mAh 5000 mAh Realme 9i has larger battery capacity than ASUS ZenFone 3 (ZE520KL).
Fast Charging Technology - Dart Charge Realme 9i has fast charging technology.
Standby Time - 995 hours
Talk Time - 2904 minutes
Run Time Details - Standby: up to 995 hrs
Talk: up to 2904 min
WhatsApp: up to 20.7 hrs
Playback (Music): up to 116.3 hrs
CELLULAR ASUS ZenFone 3 (ZE520KL) Realme 9i
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 11
User Interface ASUS ZenUI 3.0 Realme UI 2.0
Navigation GPS, A-GPS, GLONASS, BeiDou GPS, GLONASS, BeiDou, Galileo
COMMUNICATIONS ASUS ZenFone 3 (ZE520KL) Realme 9i
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 5, Band 8
3G UMTS Frequency - 2100, 850, 900
4G LTE Band Band 1, Band 2, Band 3, Band 5, Band 7, Band 8, Band 20 Band 1, Band 3, 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 1800+, 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 5.0
NFC - Yes Realme 9i has NFC reader for mobile payments.
Messaging Services SMS, MMS -
FEATURES ASUS ZenFone 3 (ZE520KL) Realme 9i
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, proximity sensor, magnetometer, light sensor
Security Devices Fingerprint reader 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 Dual microphones, Fast Charging, Super power saving mode, dual stereo speakers
OTHERS ASUS ZenFone 3 (ZE520KL) Realme 9i
Included Accessories Power adapter Screen protection film, SIM card removal tool, USB-C cable, protective case, 33W charger
Other projects: