Asus Zenfone 4 Pro ZS551KL vs Oppo A12e: 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

A12e:

LCD
Weight

A12e: 7 g lighter

Zenfone 4 Pro ZS551KL:

175 g

A12e:

168 g
Screen diagonal

Zenfone 4 Pro ZS551KL: 0.7 in smaller diagonal

Zenfone 4 Pro ZS551KL:

5.5 in

A12e:

6.2 in
Memory variants

At 64 GB storage

Zenfone 4 Pro ZS551KL:

6 GB RAM

A12e:

3 GB RAM
Chipset

Zenfone 4 Pro ZS551KL:

Qualcomm MSM8998 Snapdragon 835 (10 nm)

A12e:

Qualcomm SDM450 Snapdragon 450 (14 nm)
Depth

Zenfone 4 Pro ZS551KL: 0.6 mm thinner

Zenfone 4 Pro ZS551KL:

7.6 mm

A12e:

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
Width:

75.6 mm
Depth:

7.6 mm
2. A12e

Height:

156.2 mm
Width:

75.6 mm
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

+7 g versus A12e
2. A12e

168 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. A12e

Screen diagonal:

6.2 in

Aspect ratio (height:width):

19:9

Approximate rectangular screen area:

95.9 cm²

A12e has approximately 15.1% more rectangular screen area than Zenfone 4 Pro ZS551KL.

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, A12e, compared at the same storage capacity.
Storage	Zenfone 4 Pro ZS551KL	A12e
64 GB Recorded for all phones	6 GB RAM	3 GB RAM
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. A12e

NFC:: Unknown
Headphone jack:: Yes
Memory card support:: See details microSDXC (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
2. A12e

4230 mAh

+630 mAh versus Zenfone 4 Pro ZS551KL

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. A12e

Everyday essentials

Everyday essentials — specifications for Zenfone 4 Pro ZS551KL, A12e.
Specification	Zenfone 4 Pro ZS551KL	A12e
Dimensions (HxWxD)	156.9 Х 75.6 Х 7.6 mm	156.2 Х 75.6 Х 8.2 mm
Weight	175 g	168 g
Technology	AMOLED	IPS LCD
Screen size	5.5" inch	6.2" inch
Screen resolution	1080 x 1920 px	720 x 1520 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	64GB 3GB RAM
Memory card support	microSD up to 512 GB (uses SIM 2 slot)	microSDXC (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.	3600 mAh Non-removable Li-Ion	4230 mAh Non-removable Li-Ion
Operating system OS	Android 7.1.1 (Nougat) upgradable to Android 8 (Oreo); ZenUI 4	Android 8.1 (Oreo); ColorOS 5.1
Chipset	Qualcomm MSM8998 Snapdragon 835 (10 nm)	Qualcomm SDM450 Snapdragon 450 (14 nm)
NFC	Yes	Unknown
Headphone jack	Yes	Yes

Display

Display — specifications for Zenfone 4 Pro ZS551KL, A12e.
Specification	Zenfone 4 Pro ZS551KL	A12e
Touchscreen	capacitive touchscreen	capacitive touchscreen
Display colors	16M	16M
Screen area	83.4 cm2	95.9 cm2
Screen format	16:9 (height:width)	19:9 (height:width)
Screen to body ratio	70.3%	81.2%
PPI /points per inch/	401 PPI	271 PPI
Screen protection	Corning Gorilla Glass 5	Unknown

Camera and Video

Camera and Video — specifications for Zenfone 4 Pro ZS551KL, A12e.
Specification	Zenfone 4 Pro ZS551KL	A12e
Rear camera, main	12 MP Dual	13 MP Dual
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	13 MP f/2.2 AF -2 MP f/2.4 (depth)
Functions	HDR	LED flash HDR panorama
Video	1080p@30fps	1080p@30fps
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

Performance — specifications for Zenfone 4 Pro ZS551KL, A12e.
Specification	Zenfone 4 Pro ZS551KL	A12e
Processor CPU	Octa-core (4x2.45 GHz Kryo & 4x1.9 GHz Kryo)	Octa-core 1.8 GHz Cortex-A53
Graphics processor GPU	Adreno 540	Adreno 506

General specs

General specs — specifications for Zenfone 4 Pro ZS551KL, A12e.
Specification	Zenfone 4 Pro ZS551KL	A12e
Release date	2017 August	2020 April 3
Colors	Moonlight White Pure Black	Red Dark Purple
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.	390 EUR	Unknown
Battery life	Talking time- Up to 27 h 30 min (3G)	Unknown
Body build	Front/back glass (Gorilla Glass 5) & aluminum frame	Glass front plastic back plastic frame

Communication and Connectivity

Communication and Connectivity — specifications for Zenfone 4 Pro ZS551KL, A12e.
Specification	Zenfone 4 Pro ZS551KL	A12e
SIM card	Hybrid Dual SIM (Nano-SIM dual stand-by)	Dual SIM (Nano-SIM dual 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 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 2100 -4G - LTE band 1(2100) 3(1800) 5(850) 7(2600) 8(900) 38(2600) 40(2300) 41(2500)
Speed	HSPA 42.2/5.76 Mbps LTE-A (3CA) Cat12 600/150 or 100 Mbps	HSPA 42.2/5.76 Mbps LTE-A (2CA) Cat6 300/50 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 On-The-Go
Bluetooth	5.0 A2DP EDR LE aptX	4.2 A2DP LE

Music and Audio

Music and Audio — specifications for Zenfone 4 Pro ZS551KL, A12e.
Specification	Zenfone 4 Pro ZS551KL	A12e
Radio	FM radio	FM radio
Others	24-bit/192kHz audio -DTS sound -Active noise cancellation with dedicated mic	Unknown

Other features

Other features — specifications for Zenfone 4 Pro ZS551KL, A12e.
Specification	Zenfone 4 Pro ZS551KL	A12e
Dop	Sensors Fingerprint (front-mounted) accelerometer gyro proximity compass color spectrum Infrared port - Fast battery charging: 50% in 32 min	Sensors Accelerometer proximity compass

Asus Zenfone 4 Pro ZS551KL vs Oppo A12e