Asus Zenfone 4 Pro ZS551KL vs Coolpad Mega 3: specs comparison

Key differences

Calculated from recorded specifications using minimum difference thresholds. These are differences, not an overall ranking. For three phones, numeric highlights compare the two extremes.

Display technology

OLED versus LCD

Zenfone 4 Pro ZS551KL:

OLED

Mega 3:

LCD
Weight

Mega 3: 5 g lighter

Zenfone 4 Pro ZS551KL:

175 g

Mega 3:

170 g
Width

Zenfone 4 Pro ZS551KL: 1.4 mm narrower

Zenfone 4 Pro ZS551KL:

75.6 mm

Mega 3:

77 mm
Chipset

Zenfone 4 Pro ZS551KL:

Qualcomm MSM8998 Snapdragon 835 (10 nm)

Mega 3:

Mediatek MT6737 (28 nm)
Rear camera layout

Zenfone 4 Pro ZS551KL:

Dual

Mega 3:

Single
Depth

Zenfone 4 Pro ZS551KL: 0.6 mm thinner

Zenfone 4 Pro ZS551KL:

7.6 mm

Mega 3:

8.2 mm

Physical size

Relative size, not calibrated actual size. Front and side outlines share one scale and a bottom baseline. Generic outlines use recorded body dimensions, excluding camera bumps.

1. Zenfone 4 Pro ZS551KL

Height:

156.9 mm +4.9 mm versus Mega 3
Width:

75.6 mm
Depth:

7.6 mm
2. Mega 3

Height:

152 mm
Width:

77 mm +1.4 mm versus Zenfone 4 Pro ZS551KL
Depth:

8.2 mm +0.6 mm versus Zenfone 4 Pro ZS551KL

Weight

Bars start at zero and share a scale within this chart.

1. Zenfone 4 Pro ZS551KL

175 g

+5 g versus Mega 3
2. Mega 3

170 g

Screen size

Approximate rectangular screens calculated from recorded diagonal and aspect ratio at one relative scale. Rounded corners and cutouts are not subtracted. These are not phone outlines or calibrated actual sizes.

1. Zenfone 4 Pro ZS551KL

Screen diagonal:

5.5 in

Aspect ratio (height:width):

16:9

Approximate rectangular screen area:

83.4 cm²
2. Mega 3

Screen diagonal:

5.5 in

Aspect ratio (height:width):

16:9

Approximate rectangular screen area:

83.4 cm²

Memory variants

Each row compares the same storage capacity. Cells show recorded RAM alternatives, not combined maxima. Not recorded does not mean unavailable in every market.

Recorded RAM for Zenfone 4 Pro ZS551KL, Mega 3, compared at the same storage capacity.
Storage	Zenfone 4 Pro ZS551KL	Mega 3
16 GB	Not recorded	2 GB RAM
64 GB	6 GB RAM	Not recorded
128 GB	6 GB RAM	Not recorded

Practical features

Explicit Yes and No values are shown directly. Qualified or regional records retain their details. Unknown means the record is missing.

1. Zenfone 4 Pro ZS551KL

NFC:: Yes
Headphone jack:: Yes
Memory card support:: See details microSD · up to 512 GB (uses SIM 2 slot)

2. Mega 3

NFC:: Unknown
Headphone jack:: Yes
Memory card support:: See details microSD · up to 32 GB (dedicated slot)

Battery capacity

Capacity is not battery life. No endurance test is implied.

Recorded battery capacity

Bars start at zero and share a scale within this chart.

1. Zenfone 4 Pro ZS551KL

3600 mAh

+550 mAh versus Mega 3
2. Mega 3

3050 mAh

Specifications

Open a section for more detail. On narrow screens, swipe sideways or use Left/Right arrow keys while the table is focused. Unknown means missing data, not No. Recorded zero values are shown as recorded.

1. Zenfone 4 Pro ZS551KL2. Mega 3

Everyday essentials

Everyday essentials — specifications for Zenfone 4 Pro ZS551KL, Mega 3.
Specification	Zenfone 4 Pro ZS551KL	Mega 3
Dimensions (HxWxD)	156.9 Х 75.6 Х 7.6 mm	152 Х 77 Х 8.2 mm
Weight	175 g	170 g
Technology	AMOLED	IPS LCD
Screen size	5.5" inch	5.5" inch
Screen resolution	1080 x 1920 px	720 x 1280 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.	64/128 GB 6 GB RAM	16 GB 2 GB RAM
Memory card support	microSD up to 512 GB (uses SIM 2 slot)	microSD up to 32 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.	3600 mAh Non-removable Li-Ion	3050 mAh Non-removable Li-Po
Operating system OS	Android 7.1.1 (Nougat) upgradable to Android 8 (Oreo); ZenUI 4	Android 6.0 (Marshmallow); Cool UI
Chipset	Qualcomm MSM8998 Snapdragon 835 (10 nm)	Mediatek MT6737 (28 nm)
NFC	Yes	Unknown
Headphone jack	Yes	Yes

Display

Display — specifications for Zenfone 4 Pro ZS551KL, Mega 3.
Specification	Zenfone 4 Pro ZS551KL	Mega 3
Touchscreen	capacitive touchscreen	capacitive touchscreen
Display colors	16M	16M
Screen area	83.4 cm2	83.4 cm2
Screen format	16:9 (height:width)	16:9 (height:width)
Screen to body ratio	70.3%	71.3%
PPI /points per inch/	401 PPI	267 PPI
Screen protection	Corning Gorilla Glass 5	Scratch-resistant glass

Camera and Video

Camera and Video — specifications for Zenfone 4 Pro ZS551KL, Mega 3.
Specification	Zenfone 4 Pro ZS551KL	Mega 3
Rear camera, main	12 MP Dual	8 MP Single
Camera specs	12 MP f/1.7 25mm (wide) 1/2.55'' 1.4µm 4-axis OIS dual pixel PDAF & laser AF -16 MP 50mm (telephoto) 1/3.1'' 1.0µm 2x optical zoom AF	8 MP AF f/2.2
Functions	HDR	LED flash
Video	1080p@30fps	720p
Front camera, selfie	8 MP Single	8 MP Single
Specifications	8 MP f/1.9 1/3.2'' 22mm (wide) 1.4µm PDAF	8 MP f/2.2

Performance

Scores marked * are historical catalogue entries. Test conditions are unspecified; no new testing is implied.

Performance — specifications for Zenfone 4 Pro ZS551KL, Mega 3.
Specification	Zenfone 4 Pro ZS551KL	Mega 3
Processor CPU	Octa-core (4x2.45 GHz Kryo & 4x1.9 GHz Kryo)	Quad-core 1.2 GHz Cortex-A53
Graphics processor GPU	Adreno 540	Mali-T860
Antutu 7 score *	Unknown	29322

General specs

General specs — specifications for Zenfone 4 Pro ZS551KL, Mega 3.
Specification	Zenfone 4 Pro ZS551KL	Mega 3
Release date	2017 August	2016 December
Colors	Moonlight White Pure Black	Champagne White Moondust Grey Gold White
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.	390 EUR	110 EUR
Battery life	Talking time- Up to 27 h 30 min (3G)	Stand by time- Up to 200 h (3G) Talking time- Up to 8 h (3G)
Body build	Front/back glass (Gorilla Glass 5) & aluminum frame	Unknown

Communication and Connectivity

Communication and Connectivity — specifications for Zenfone 4 Pro ZS551KL, Mega 3.
Specification	Zenfone 4 Pro ZS551KL	Mega 3
SIM card	Hybrid Dual SIM (Nano-SIM dual stand-by)	Triple SIM (Nano-SIM triple stand-by)
Network	Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 800 / 850 / 900 / 1700(AWS) / 1800 / 1900 / 2100 -4G - LTE band 1(2100) 2(1900) 3(1800) 4(1700/2100) 5(850) 7(2600) 8(900) 17(700) 19(800) 20(800) 28(700) 38(2600) 39(1900) 40(2300) 41(2500) - Global Taiwan LTE band 1(2100) 12(700) 18(800) 26(850) 29(700) 30(2300) 41(2500) - US Canada Brazil LTE band 1(2100) 41(2500) - India	Show all network frequencies: -2G - GSM 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 900 / 2100 -4G - LTE band 1(2100) 3(1800) 5(850) 7(2600) 20(800) 40(2300)
Speed	HSPA 42.2/5.76 Mbps LTE-A (3CA) Cat12 600/150 or 100 Mbps	HSPA 21.1/5.76 Mbps LTE Cat4 150/50 Mbps
GPRS	Yes	Yes
Edge	Yes	Yes
Wi-Fi	Wi-Fi 802.11 a/b/g/n/ac dual-band WiFi Direct hotspot	Wi-Fi 802.11 b/g/n Wi-Fi Direct hotspot
GPS	Yes with A-GPS GLONASS BDS GALILEO	Yes with A-GPS
USB	Type-C 1.0 reversible connector	microUSB 2.0 USB Host
Bluetooth	5.0 A2DP EDR LE aptX	4.0 A2DP
Harmful irradiation	Unknown	SAR EU - 0.68 W/kg (head) 0.66 W/kg (body)

Music and Audio

Music and Audio — specifications for Zenfone 4 Pro ZS551KL, Mega 3.
Specification	Zenfone 4 Pro ZS551KL	Mega 3
Radio	FM radio	Stereo FM radio; recording
Others	24-bit/192kHz audio -DTS sound -Active noise cancellation with dedicated mic	Unknown

Other features

Other features — specifications for Zenfone 4 Pro ZS551KL, Mega 3.
Specification	Zenfone 4 Pro ZS551KL	Mega 3
Dop	Sensors Fingerprint (front-mounted) accelerometer gyro proximity compass color spectrum Infrared port - Fast battery charging: 50% in 32 min	Sensors Accelerometer proximity - Also known as Coolpad 3503I

Asus Zenfone 4 Pro ZS551KL vs Coolpad Mega 3