ASUS ZenFone Zoom (ZX551ML) vs. Ulefone Armor X7

Phone Comparison, Reviews and Tests

In depth comparison and review of ASUS ZenFone Zoom (ZX551ML) and Ulefone Armor X7. 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. Ulefone Armor X7 Comparison Chart
DESIGN AND DIMENSIONS ASUS ZenFone Zoom (ZX551ML) Ulefone Armor X7
Product Type Smartphone Smartphone
Manufacturer Model Number ZX551ML -
Form Factor Touch Touch - Rugged
Height 158.9 mm 150 mm ASUS ZenFone Zoom (ZX551ML) has greater height than Ulefone Armor X7.
Width 78.8 mm 78.9 mm Ulefone Armor X7 has greater width than ASUS ZenFone Zoom (ZX551ML).
Depth 12 mm 14.6 mm ASUS ZenFone Zoom (ZX551ML) is narrower than ASUS ZenFone Zoom (ZX551ML).
Weight 185 g 234 g ASUS ZenFone Zoom (ZX551ML) is lighter than ASUS ZenFone Zoom (ZX551ML).
Body Colour Ceramic white | Pure black Orange
Body Material - Aluminium alloy, thermoplastic polyurethane (TPU)
Protection - Dustproof, waterproof, splash-resistant
Waterproof (Water-resistant) - Yes Ulefone Armor X7 is waterproof.
IP rating - IEC 60529 IP68, IEC 60529 IP69K
SAR Value 0.432 W/kg (body), 0.343 W/kg (head) 0.793 W/kg (body), 0.8 W/kg (head)
Connector Type Headset jack - mini-phone 3.5mm
Micro-USB - 5 pin Micro-USB Type B
Headset jack - mini-phone 3.5mm
Micro-USB - 5 pin Micro-USB Type B
SIM Card Type (Size) Micro SIM Nano SIM
SIM Card Qty - Dual-SIM
SIM Card Configuration Details - Nano SIM + nano SIM/microSD
DISPLAY ASUS ZenFone Zoom (ZX551ML) Ulefone Armor X7
Display Type LCD display LCD display
Display Technology IPS IPS
Screen Size (Display Size) 5.5" 5" ASUS ZenFone Zoom (ZX551ML) has larger screen size than Ulefone Armor X7.
Screen Resolution (Display Resolution) 1920 x 1080 pixels 1280 x 720 pixels ASUS ZenFone Zoom (ZX551ML) has better screen resolution than Ulefone Armor X7.
Display Format Full HD HD+
Pixel Density 401 ppi 294 ppi ASUS ZenFone Zoom (ZX551ML) has better pixel density than Ulefone Armor X7.
Colour Depth 16.7 million colours -
Display Protection (Screen Protector) Corning Gorilla Glass 4 (scratch resistant glass) -
PROCESSOR ASUS ZenFone Zoom (ZX551ML) Ulefone Armor X7
Processor Type (CPU) Intel Atom MediaTek Helio A20
Processor Number Z3590 MT6761
Clock Speed 2.5 GHz 1.8 GHz ASUS ZenFone Zoom (ZX551ML) has higher clock speed than Ulefone Armor X7.
Processor Core Qty Quad-core Quad-core Both phones have the same number of phone cores.
Graphics System (GPU) PowerVR G6430 IMG GE8300
MEMORY ASUS ZenFone Zoom (ZX551ML) Ulefone Armor X7
RAM 4 GB 2 GB ASUS ZenFone Zoom (ZX551ML) has more RAM than Ulefone Armor X7.
Internal Memory Size (Storage Capacity) 32 GB 16 GB ASUS ZenFone Zoom (ZX551ML) has more internal memory than Ulefone Armor X7.
Supported Flash Memory Cards (Expandable Memory) microSDHC, microSDXC - up to 128 GB microSDHC, microSDXC - up to 128 GB
CAMERA ASUS ZenFone Zoom (ZX551ML) Ulefone Armor X7
MAIN CAMERA
Number of Main Cameras 1 1
Sensor Resolution 13 Megapixel 13 Megapixel Both phones have the same camera resolution.
Lens Aperture F/2.7-4.8 F/2.2 Ulefone Armor X7 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 -
HDR Mode Auto HDR mode -
Camera Modes Panorama Underwater mode
Face Recognition (Face ID) Face detection - ASUS ZenFone Zoom (ZX551ML) has face detection.
Light Source Dual LED flash Dual LED flash
Video Resolutions 1920 x 1080 (1080p) 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps, 854 x 480 (480p) at 30 fps
FRONT CAMERA
Number of Front Cameras 1 1
Sensor Resolution (Front) 5 Megapixel 5 Megapixel Both phones have the same front camera resolution.
Lens Aperture (Front) F/2.0 F/2.2 ASUS ZenFone Zoom (ZX551ML) has better front lens aperture than ASUS ZenFone Zoom (ZX551ML).
Lens Element Qty (Front) - 4-element
BATTERY AND CHARGING ASUS ZenFone Zoom (ZX551ML) Ulefone Armor X7
Battery Capacity (Battery Size) 3000 mAh 4000 mAh Ulefone Armor X7 has larger battery capacity than ASUS ZenFone Zoom (ZX551ML).
Standby Time - 430 hours
Talk Time - 780 minutes
Run Time Details - Talk: up to 780 min
Standby: up to 430 hrs
Playback (Music): up to 26 hrs
Playback (video): up to 9 hrs
Battery Technology Lithium polymer Lithium Ion
CELLULAR ASUS ZenFone Zoom (ZX551ML) Ulefone Armor X7
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 10
User Interface ASUS ZenUI 2.0 -
Payment Technology - Google Pay
Navigation A-GPS, GLONASS, BeiDou GPS, GLONASS, Galileo
COMMUNICATIONS ASUS ZenFone Zoom (ZX551ML) Ulefone Armor X7
Data Transmission GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE GPRS, EDGE, HSDPA, HSUPA, HSPA+, VoLTE, FDD-LTE
2G Band 850 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 9, Band 18, Band 19, Band 28 Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 12, Band 17, Band 19, Band 20
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 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 700a, FDD 700b, FDD 800 upper, FDD 800 DD
Wireless Interface IEEE 802.11a/b/g/n/ac IEEE 802.11a/b/g/n/ac
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 SMS, MMS
MEDIA ASUS ZenFone Zoom (ZX551ML) Ulefone Armor X7
Supported Digital Audio Standards - AAC, AMR, MP3, FLAC
Supported Digital Video Standards - MPEG-4, 3GP
FEATURES ASUS ZenFone Zoom (ZX551ML) Ulefone Armor X7
Phone Functions Speakerphone, call timer, conference call, vibrating alert Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert
Sensors Accelerometer, proximity sensor, digital compass, gyro sensor Accelerometer, ambient light sensor, proximity sensor, digital compass
Security Devices - Face recognition, fingerprint reader
Additional Phone Features Multitasking Face Unlock, Glove mode, notification LED, customised button
OTHERS ASUS ZenFone Zoom (ZX551ML) Ulefone Armor X7
Included Accessories Power adapter USB cable, power adapter, SIM card removal tool, protective film, Sling, plastic spudger
Compliant Standards - IEC 60529 IP68, MIL-STD 810G, IEC 60529 IP69K
Max Depth of Water Resistance - 1.5 m
Max Operating Temperature - 60 °C
Min Operating Temperature - -20 °C
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