Asus Zenfone 4 Pro ZS551KL vs QMobile Noir E8: 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.

Weight

Zenfone 4 Pro ZS551KL: 35 g lighter

Zenfone 4 Pro ZS551KL:

175 g

Noir E8:

210 g
Width

Zenfone 4 Pro ZS551KL: 6.7 mm narrower

Zenfone 4 Pro ZS551KL:

75.6 mm

Noir E8:

82.3 mm
Screen diagonal

Zenfone 4 Pro ZS551KL: 0.5 in smaller diagonal

Zenfone 4 Pro ZS551KL:

5.5 in

Noir E8:

6 in
Memory variants

At 64 GB storage

Zenfone 4 Pro ZS551KL:

6 GB RAM

Noir E8:

3 GB RAM
Chipset

Zenfone 4 Pro ZS551KL:

Qualcomm MSM8998 Snapdragon 835 (10 nm)

Noir E8:

Mediatek MT6795 Helio X10 (28 nm)
Rear camera layout

Zenfone 4 Pro ZS551KL:

Dual

Noir E8:

Single

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. Noir E8

Height:

164 mm +7.1 mm versus Zenfone 4 Pro ZS551KL
Width:

82.3 mm +6.7 mm versus Zenfone 4 Pro ZS551KL
Depth:

9.6 mm +2 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
2. Noir E8

210 g

+35 g versus Zenfone 4 Pro ZS551KL

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. Noir E8

Screen diagonal:

6 in

Aspect ratio (height:width):

16:9

Approximate rectangular screen area:

99.2 cm²

Noir E8 has approximately 19% 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, Noir E8, compared at the same storage capacity.
Storage	Zenfone 4 Pro ZS551KL	Noir E8
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. Noir E8

NFC:: Yes
Headphone jack:: Yes
Memory card support:: See details microSD · up to 256 GB

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

+100 mAh versus Noir E8
2. Noir E8

3500 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. Noir E8

Everyday essentials

Everyday essentials — specifications for Zenfone 4 Pro ZS551KL, Noir E8.
Specification	Zenfone 4 Pro ZS551KL	Noir E8
Dimensions (HxWxD)	156.9 Х 75.6 Х 7.6 mm	164 Х 82.3 Х 9.6 mm
Weight	175 g	210 g
Technology	AMOLED	AMOLED
Screen size	5.5" inch	6" inch
Screen resolution	1080 x 1920 px	1440 x 2560 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	64 GB 3 GB RAM
Memory card support	microSD up to 512 GB (uses SIM 2 slot)	microSD up to 256 GB
Battery Capacity is not battery life. No endurance test is implied.	3600 mAh Non-removable Li-Ion	3500 mAh Non-removable Li-Po
Operating system OS	Android 7.1.1 (Nougat) upgradable to Android 8 (Oreo); ZenUI 4	Android 5.1 (Lollipop); Amigo 3.1
Chipset	Qualcomm MSM8998 Snapdragon 835 (10 nm)	Mediatek MT6795 Helio X10 (28 nm)
NFC	Yes	Yes
Headphone jack	Yes	Yes

Display

Display — specifications for Zenfone 4 Pro ZS551KL, Noir E8.
Specification	Zenfone 4 Pro ZS551KL	Noir E8
Touchscreen	capacitive touchscreen	capacitive touchscreen
Display colors	16M	16M
Screen area	83.4 cm2	99.2 cm2
Screen format	16:9 (height:width)	16:9 (height:width)
Screen to body ratio	70.3%	73.5%
PPI /points per inch/	401 PPI	490 PPI
Screen protection	Corning Gorilla Glass 5	Unknown

Camera and Video

Camera and Video — specifications for Zenfone 4 Pro ZS551KL, Noir E8.
Specification	Zenfone 4 Pro ZS551KL	Noir E8
Rear camera, main	12 MP Dual	24 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	24 MP 1/2.3'' OIS PDAF
Functions	HDR	Dual-LED dual-tone flash panorama HDR
Video	1080p@30fps	2160p@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 AF

Performance

Performance — specifications for Zenfone 4 Pro ZS551KL, Noir E8.
Specification	Zenfone 4 Pro ZS551KL	Noir E8
Processor CPU	Octa-core (4x2.45 GHz Kryo & 4x1.9 GHz Kryo)	Octa-core 2.0 GHz Cortex-A53
Graphics processor GPU	Adreno 540	PowerVR G6200

General specs

General specs — specifications for Zenfone 4 Pro ZS551KL, Noir E8.
Specification	Zenfone 4 Pro ZS551KL	Noir E8
Release date	2017 August	2015 November
Colors	Moonlight White Pure Black	Black Gold
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.	390 EUR	400 EUR
Battery life	Talking time- Up to 27 h 30 min (3G)	Stand by time- Up to 437 h (2G) / Up to 500 h (3G) Talking time- Up to 39 h (2G) / Up to 20 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, Noir E8.
Specification	Zenfone 4 Pro ZS551KL	Noir E8
SIM card	Hybrid Dual SIM (Nano-SIM dual stand-by)	Dual SIM (Micro-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 900 / 1900 / 2100 -4G - LTE band 1(2100) 3(1800) 7(2600) 20(800) 38(2600) 39(1900) 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 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 a/b/g/n/ac dual-band 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 EDR

Music and Audio

Music and Audio — specifications for Zenfone 4 Pro ZS551KL, Noir E8.
Specification	Zenfone 4 Pro ZS551KL	Noir E8
Radio	FM radio	FM radio recording
Others	24-bit/192kHz audio -DTS sound -Active noise cancellation with dedicated mic	24-bit/192kHz audio -Active noise cancellation with dedicated mic

Other features

Other features — specifications for Zenfone 4 Pro ZS551KL, Noir E8.
Specification	Zenfone 4 Pro ZS551KL	Noir E8
Dop	Sensors Fingerprint (front-mounted) accelerometer gyro proximity compass color spectrum Infrared port - Fast battery charging: 50% in 32 min	Sensors Fingerprint (rear-mounted) accelerometer gyro proximity compass

Asus Zenfone 4 Pro ZS551KL vs QMobile Noir E8