ASUS ZenFone Zoom (ZX551ML) vs. Cisco Webex 840

Phone Comparison, Reviews and Tests

In depth comparison and review of ASUS ZenFone Zoom (ZX551ML) and Cisco Webex 840. 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. Cisco Webex 840 Comparison Chart
DESIGN AND DIMENSIONS ASUS ZenFone Zoom (ZX551ML) Cisco Webex 840
Product Type Smartphone Smartphone
Manufacturer Model Number ZX551ML -
Form Factor Touch Touch - Rugged
Height 158.9 mm 133 mm ASUS ZenFone Zoom (ZX551ML) has greater height than Cisco Webex 840.
Width 78.8 mm 66 mm ASUS ZenFone Zoom (ZX551ML) has greater width than Cisco Webex 840.
Depth 12 mm 13 mm ASUS ZenFone Zoom (ZX551ML) is narrower than ASUS ZenFone Zoom (ZX551ML).
Weight 185 g 180 g Cisco Webex 840 is lighter than ASUS ZenFone Zoom (ZX551ML).
Body Colour Ceramic white | Pure black -
Protection - Shockproof, dustproof, waterproof
Waterproof (Water-resistant) - Yes Cisco Webex 840 is waterproof.
IP rating - IEC 60529 IP54
SAR Value 0.432 W/kg (body), 0.343 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
Headset jack - mini-phone 3.5mm
SIM Card Type (Size) Micro SIM -
DISPLAY ASUS ZenFone Zoom (ZX551ML) Cisco Webex 840
Display Type LCD display -
Display Technology IPS -
Screen Size (Display Size) 5.5" 4" ASUS ZenFone Zoom (ZX551ML) has larger screen size than Cisco Webex 840.
Screen Resolution (Display Resolution) 1920 x 1080 pixels 800 x 480 pixels ASUS ZenFone Zoom (ZX551ML) has better screen resolution than Cisco Webex 840.
Display Format Full HD -
Pixel Density 401 ppi -
Colour Depth 16.7 million colours -
Display Protection (Screen Protector) Corning Gorilla Glass 4 (scratch resistant glass) Dragontrail glass
PROCESSOR ASUS ZenFone Zoom (ZX551ML) Cisco Webex 840
Processor Type (CPU) Intel Atom -
Processor Number Z3590 -
Clock Speed 2.5 GHz 1.8 GHz ASUS ZenFone Zoom (ZX551ML) has higher clock speed than Cisco Webex 840.
Processor Core Qty Quad-core 8-core Cisco Webex 840 has higher processor core quantity than ASUS ZenFone Zoom (ZX551ML).
Graphics System (GPU) PowerVR G6430 -
MEMORY ASUS ZenFone Zoom (ZX551ML) Cisco Webex 840
RAM 4 GB 3 GB ASUS ZenFone Zoom (ZX551ML) has more RAM than Cisco Webex 840.
Internal Memory Size (Storage Capacity) 32 GB 32 GB Both phones have the same internal memory capacity.
Supported Flash Memory Cards (Expandable Memory) microSDHC, microSDXC - up to 128 GB -
CAMERA ASUS ZenFone Zoom (ZX551ML) Cisco Webex 840
MAIN CAMERA
Number of Main Cameras 1 1
Sensor Resolution 13 Megapixel 8 Megapixel ASUS ZenFone Zoom (ZX551ML) has better camera resolution than Cisco Webex 840.
Lens Aperture F/2.7-4.8 -
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 -
Face Recognition (Face ID) Face detection - ASUS ZenFone Zoom (ZX551ML) has face detection.
Light Source Dual LED flash Flash
Video Resolutions 1920 x 1080 (1080p) -
FRONT CAMERA
Number of Front Cameras 1 1
Sensor Resolution (Front) 5 Megapixel 2 Megapixel ASUS ZenFone Zoom (ZX551ML) has better front camera resolution than Cisco Webex 840.
Lens Aperture (Front) F/2.0 -
BATTERY AND CHARGING ASUS ZenFone Zoom (ZX551ML) Cisco Webex 840
Battery Capacity (Battery Size) 3000 mAh 3040 mAh Cisco Webex 840 has larger battery capacity than ASUS ZenFone Zoom (ZX551ML).
Battery Technology Lithium polymer -
CELLULAR ASUS ZenFone Zoom (ZX551ML) Cisco Webex 840
Technology WCDMA (UMTS) / GSM -
Mobile Broadband Generation 4G -
Operating System Android 5.0 (Lollipop) Android 10
User Interface ASUS ZenUI 2.0 -
Navigation A-GPS, GLONASS, BeiDou GPS
COMMUNICATIONS ASUS ZenFone Zoom (ZX551ML) Cisco Webex 840
Data Transmission GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE -
2G Band 850 GSM, 1800 GSM, 1900 GSM -
4G LTE Band Band 1, Band 2, Band 3, Band 5, Band 7, Band 8, Band 9, Band 18, Band 19, Band 28 -
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 -
Wireless Interface IEEE 802.11a/b/g/n/ac IEEE 802.11a/b/g/n/ac
Bluetooth Bluetooth 4.0 Bluetooth 4.2
Bluetooth Profiles A2DP -
NFC Yes Yes Both phones have an NFC reader for mobile payments.
WLAN Security - EAP-TLS, WPA2-Enterprise, WPA2-Personal
Messaging Services SMS, MMS -
MEDIA ASUS ZenFone Zoom (ZX551ML) Cisco Webex 840
Supported Digital Audio Standards - OPUS, G.722, G.711a, G.711u, G.729a
FEATURES ASUS ZenFone Zoom (ZX551ML) Cisco Webex 840
Phone Functions Speakerphone, call timer, conference call, vibrating alert Speakerphone, call timer, conference call, flight mode, vibrating alert
Sensors Accelerometer, proximity sensor, digital compass, gyro sensor Accelerometer, ambient light sensor, digital compass, magnetometer, gyroscope
Additional Phone Features Multitasking Programmable emergency button, Session Initiation Protocol (SIP) support
OTHERS ASUS ZenFone Zoom (ZX551ML) Cisco Webex 840
Included Accessories Power adapter USB cable, power adapter
Compliant Standards - EN 61000-3-2, EN 61000-3-3, EN55024, EN50082-1, EN55022 Class B, ICES-003 Class B, EN 61000-6-1, FCC Part 15.247, AS/ACIF S004, RSS-210, RSS-102, FCC Part 68, IEC 60529 IP54, EN 300.328-2, FCC Part 2, UL 60950-1, IEC 60950-1, EN 60950-1, AS/NZS 4268, MIL-STD 810G, EN 61000-6-3, ACA, EN 300.328-1, FCC Part 15.407, EN 60601-1-2, ARIB STD-T66, ARIB STD-T70, ARIB STD-T71, VCCI Class B, EN 50360, AS/ACIF S040, AS/NZS CISPR 22 Class B, FCC OET Bulletin 65c, EN 55022/CISPR 22 Class B, EN 301 489-1, EN 300 386, Directive 2014/35/EU, Directive 2014/30/EU, EN 301 893, ANSI/UL 60950-1, Directive 2014/53/EU, KN22 Class B, ANSI/IEEE C95.1 (99), EN 301 489-17, AN/NZS 60950.1, CAN/CSA 60950-1, TIA 810 B, TIA 920 A, 47 CFR Part 15 Class B, NZ PTC220 DR
Max Operating Temperature - 40 °C
Min Operating Temperature - 0 °C
Humidity Range Operating - 10 - 95% (non-condensing)
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