ASUS ZenFone Zoom (ZX551ML) vs. Realme 9i

Phone Comparison, Reviews and Tests

In depth comparison and review of ASUS ZenFone Zoom (ZX551ML) and Realme 9i. 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 Zoom (ZX551ML) vs. Realme 9i Comparison Chart
DESIGN AND DIMENSIONS ASUS ZenFone Zoom (ZX551ML) Realme 9i
Product Type Smartphone Smartphone
Manufacturer Model Number ZX551ML -
Form Factor Touch Touch
Height 158.9 mm 164.4 mm Realme 9i has greater height than ASUS ZenFone Zoom (ZX551ML).
Width 78.8 mm 75.7 mm ASUS ZenFone Zoom (ZX551ML) has greater width than Realme 9i.
Depth 12 mm 8.4 mm Realme 9i is narrower than ASUS ZenFone Zoom (ZX551ML).
Weight 185 g 190 g ASUS ZenFone Zoom (ZX551ML) is lighter than ASUS ZenFone Zoom (ZX551ML).
Body Colour Ceramic white | Pure black Prism black | Prism blue
Waterproof (Water-resistant) - -
SAR Value 0.432 W/kg (body), 0.343 W/kg (head) 1.02 W/kg (body), 2.072 W/kg (limb), 0.788 W/kg (head)
Connector Type Headset jack - mini-phone 3.5mm
Micro-USB - 5 pin Micro-USB Type B
USB Type-C - 24 pin USB-C
SIM Card Type (Size) Micro SIM Nano SIM
SIM Card Qty - Dual-SIM
DISPLAY ASUS ZenFone Zoom (ZX551ML) Realme 9i
Display Type LCD display -
Display Technology IPS -
Screen Size (Display Size) 5.5" 6.6" Realme 9i has larger screen size than ASUS ZenFone Zoom (ZX551ML).
Screen Resolution (Display Resolution) 1920 x 1080 pixels 2412 x 1080 pixels Realme 9i has better screen resolution than ASUS ZenFone Zoom (ZX551ML).
Display Format Full HD Full HD+
Pixel Density 401 ppi 401 ppi Both phones have the same pixel density.
Max Brightness - 480 cd/m²
Colour Depth 16.7 million colours -
Display Enhancement Technology - Ultra-Smooth
Display Refresh Rate - 90 Hz
Touch Sampling Rate - 180 Hz
Display Features - 5-level fresh rates
Display Protection (Screen Protector) Corning Gorilla Glass 4 (scratch resistant glass) Dragontrail PRO (scratch resistant glass)
PROCESSOR ASUS ZenFone Zoom (ZX551ML) Realme 9i
Processor Type (CPU) Intel Atom Qualcomm Snapdragon 680
Processor Number Z3590 -
Clock Speed 2.5 GHz 2.4 GHz ASUS ZenFone Zoom (ZX551ML) has higher clock speed than Realme 9i.
Processor Core Qty Quad-core 8-core Realme 9i has higher processor core quantity than ASUS ZenFone Zoom (ZX551ML).
Graphics System (GPU) PowerVR G6430 Qualcomm ADRENO 610
MEMORY ASUS ZenFone Zoom (ZX551ML) Realme 9i
RAM 4 GB LPDDR4X SDRAM - 4 GB + up to 11 GB virtual extension Both phones have the same RAM size.
Internal Memory Size (Storage Capacity) 32 GB 128 GB Realme 9i has more internal memory than ASUS ZenFone Zoom (ZX551ML).
Memory Interface - UFS 2.1
Supported Flash Memory Cards (Expandable Memory) microSDHC, microSDXC - up to 128 GB microSDHC, microSD, microSDXC - up to 1 TB
CAMERA ASUS ZenFone Zoom (ZX551ML) Realme 9i
MAIN CAMERA
Number of Main Cameras 1 3
Sensor Resolution 13 Megapixel 50 Megapixel Realme 9i has better camera resolution than ASUS ZenFone Zoom (ZX551ML).
Lens Aperture F/2.7-4.8 F/1.8 Realme 9i has better lens aperture than ASUS ZenFone Zoom (ZX551ML).
Lens Construction - 5-element
Optical Image Stabiliser (OIS) Optical Image Stabiliser (OIS) - ASUS ZenFone Zoom (ZX551ML) has optical stabilisation.
Focus Adjustment Automatic Automatic
Laser Auto Focus Yes -
Digital Zoom 3x -
Special Effects - HDR
HDR Mode Auto HDR mode -
Camera Modes Panorama Panorama, Slow motion mode, night mode, Expert Mode, portrait mode, Timelapse video, Ultra Macro Mode, 50MP mode, Super Text, Digital Zoom mode
Face Recognition (Face ID) Face detection - ASUS ZenFone Zoom (ZX551ML) has face detection.
Light Source Dual LED flash LED flash
Video Resolutions 1920 x 1080 (1080p) 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps, 1280 x 720 (720p) at 120 fps
Camera Features (Functions) - 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) 5 Megapixel 16 Megapixel Realme 9i has better front camera resolution than ASUS ZenFone Zoom (ZX551ML).
Lens Aperture (Front) F/2.0 F/2.1 ASUS ZenFone Zoom (ZX551ML) has better front lens aperture than ASUS ZenFone Zoom (ZX551ML).
Lens Element Qty (Front) - 5-element
Special Effects (Front) - HDR
Camera Modes (Front) - 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
BATTERY AND CHARGING ASUS ZenFone Zoom (ZX551ML) Realme 9i
Battery Capacity (Battery Size) 3000 mAh 5000 mAh Realme 9i has larger battery capacity than ASUS ZenFone Zoom (ZX551ML).
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
Battery Technology Lithium polymer -
CELLULAR ASUS ZenFone Zoom (ZX551ML) 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 5.0 (Lollipop) Android 11
User Interface ASUS ZenUI 2.0 Realme UI 2.0
Navigation A-GPS, GLONASS, BeiDou GPS, GLONASS, BeiDou, Galileo
COMMUNICATIONS ASUS ZenFone Zoom (ZX551ML) Realme 9i
Data Transmission GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE FDD-LTE, TDD-LTE
2G Band 850 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 9, Band 18, Band 19, Band 28 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 1800, FDD 800 lower, FDD 800 upper, FDD 700 APT FDD 2100, FDD 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD, FDD 700 APT, TDD 2600, TDD 2300, TDD 2500
Wireless Interface IEEE 802.11a/b/g/n/ac Wi-Fi
Bluetooth Bluetooth 4.0 Bluetooth 5.0
Bluetooth Profiles A2DP -
NFC Yes Yes Both phones have an NFC reader for mobile payments.
Messaging Services SMS, MMS -
FEATURES ASUS ZenFone Zoom (ZX551ML) Realme 9i
Phone Functions Speakerphone, call timer, conference call, vibrating alert -
Sensors Accelerometer, proximity sensor, digital compass, gyro sensor Accelerometer, proximity sensor, magnetometer, light sensor
Security Devices - Fingerprint reader (side)
Additional Phone Features Multitasking Dual microphones, Fast Charging, Super power saving mode, dual stereo speakers
OTHERS ASUS ZenFone Zoom (ZX551ML) Realme 9i
Included Accessories Power adapter Screen protection film, SIM card removal tool, USB-C cable, protective case, 33W charger
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