Side-by-side comparison

Asus Zenfone 4 Pro ZS551KL vs Lenovo Z6 Youth

Name: Asus Zenfone 4 Pro ZS551KL
Brand: Asus
SKU: appsapk-1167
Rating: 8.9 (924 reviews)

Asus

Asus Zenfone 4 Pro ZS551KL

8.9924 views

Lenovo

Lenovo Z6 Youth

8.7818 views

Wins 3 specs

Asus Zenfone 4 Pro ZS551KL — quick specs

Network
LTE / HSPA / GSM
Display
5.5 inches · 1080×1920
Camera
12 MP
Memory
6 GB RAM
Battery
3600 mAh
OS
Android 7.1

Lenovo Z6 Youth — quick specs

Network
LTE / HSPA / CDMA
Display
6.3 inches · 1080×2340
Camera
16 MP
Memory
4 GB RAM
Battery
4050 mAh
OS
Android 9.0

● Full specification comparison

Spec

Asus Zenfone 4 Pro ZS551KL

Lenovo Z6 Youth

NETWORK

Technology

GSM / HSPA / LTE

GSM / CDMA / HSPA / LTE

Technology

AGSM / HSPA / LTE

BGSM / CDMA / HSPA / LTE

2G bands

GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2

GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 , CDMA 800 & TD-SCDMA

2G bands

AGSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2

BGSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 , CDMA 800 & TD-SCDMA

3G bands

HSDPA 800 / 850 / 900 / 1700(AWS) / 1800 / 1900 / 2100

HSDPA 850 / 900 / 1900 / 2100

3G bands

AHSDPA 800 / 850 / 900 / 1700(AWS) / 1800 / 1900 / 2100

BHSDPA 850 / 900 / 1900 / 2100

4G bands

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)

LTE band 1(2100), 2(1900), 3(1800), 5(850), 7(2600), 8(900), 20(800), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500)

4G bands

ALTE 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)

BLTE band 1(2100), 2(1900), 3(1800), 5(850), 7(2600), 8(900), 20(800), 34(2000), 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, LTE-A

Speed

AHSPA 42.2/5.76 Mbps, LTE-A (3CA) Cat12 600/150 or 100 Mbps

BHSPA, LTE-A

LAUNCH

Announced

2017, August

2019, May

Announced

A2017, August

B2019, May

Status

Available. Released 2017, October

Available. Released 2019, May

Status

AAvailable. Released 2017, October

BAvailable. Released 2019, May

BODY

Dimensions

156.9 x 75.6 x 7.6 mm (6.18 x 2.98 x 0.30 in)

156.6 x 74.3 x 7.9 mm (6.17 x 2.93 x 0.31 in)

Dimensions

A156.9 x 75.6 x 7.6 mm (6.18 x 2.98 x 0.30 in)

B156.6 x 74.3 x 7.9 mm (6.17 x 2.93 x 0.31 in)

Weight

175 g (6.17 oz)

164 g (5.78 oz)

Weight

A175 g (6.17 oz)

B164 g (5.78 oz)

SIM

Hybrid Dual SIM (Nano-SIM, dual stand-by)

SIM

AHybrid Dual SIM (Nano-SIM, dual stand-by)

BHybrid Dual SIM (Nano-SIM, dual stand-by)

Build

Front/back glass (Gorilla Glass 5) & aluminum frame

—

Build

AFront/back glass (Gorilla Glass 5) & aluminum frame

B—

DISPLAY

Type

AMOLED capacitive touchscreen, 16M colors

IPS LCD capacitive touchscreen, 16M colors

Type

AAMOLED capacitive touchscreen, 16M colors

BIPS LCD capacitive touchscreen, 16M colors

Size

5.5 inches, 83.4 cm2 (~70.3% screen-to-body ratio)

6.3 inches, 97.4 cm2 (~83.7% screen-to-body ratio)

Size

A5.5 inches, 83.4 cm2 (~70.3% screen-to-body ratio)

B6.3 inches, 97.4 cm2 (~83.7% screen-to-body ratio)

Resolution

1080 x 1920 pixels, 16:9 ratio (~401 ppi density)

1080 x 2340 pixels, 19.5:9 ratio (~409 ppi density)

Resolution

A1080 x 1920 pixels, 16:9 ratio (~401 ppi density)

B1080 x 2340 pixels, 19.5:9 ratio (~409 ppi density)

Protection

Corning Gorilla Glass 5

—

Protection

ACorning Gorilla Glass 5

B—

PLATFORM

Android 7.1.1 (Nougat), upgradable to Android 8 (Oreo); ZenUI 4

Android 9.0 (Pie); ZUI 11

AAndroid 7.1.1 (Nougat), upgradable to Android 8 (Oreo); ZenUI 4

BAndroid 9.0 (Pie); ZUI 11

Chipset

Qualcomm MSM8998 Snapdragon 835 (10 nm)

Qualcomm SDM710 Snapdragon 710 (10 nm)

Chipset

AQualcomm MSM8998 Snapdragon 835 (10 nm)

BQualcomm SDM710 Snapdragon 710 (10 nm)

CPU

Octa-core (4x2.45 GHz Kryo & 4x1.9 GHz Kryo)

Octa-core (2x2.2 GHz Kryo 360 Gold & 6x1.7 GHz Kryo 360 Silver)

CPU

AOcta-core (4x2.45 GHz Kryo & 4x1.9 GHz Kryo)

BOcta-core (2x2.2 GHz Kryo 360 Gold & 6x1.7 GHz Kryo 360 Silver)

GPU

Adreno 540

Adreno 616

GPU

AAdreno 540

BAdreno 616

MEMORY

Card slot

microSD, up to 1 TB (uses shared SIM slot)

microSD, up to 256 GB (uses shared SIM slot)

Card slot

AmicroSD, up to 1 TB (uses shared SIM slot)

BmicroSD, up to 256 GB (uses shared SIM slot)

Internal

64GB 6GB RAM, 128GB 6GB RAM

64GB 4GB RAM, 128GB 6GB RAM

Internal

A64GB 6GB RAM, 128GB 6GB RAM

B64GB 4GB RAM, 128GB 6GB RAM

MAIN CAMERA

Dual

12 MP, f/1.7, 25mm (wide), 1/2.55", 1.4µm, dual pixel PDAF, Laser AF, 4-axis OIS 16 MP, 50mm (telephoto), 1/3.1", 1.0µm, AF, 2x optical zoom";

—

Dual

A12 MP, f/1.7, 25mm (wide), 1/2.55", 1.4µm, dual pixel PDAF, Laser AF, 4-axis OIS 16 MP, 50mm (telephoto), 1/3.1", 1.0µm, AF, 2x optical zoom";

B—

Triple

—

16 MP, f/1.8, PDAF 8 MP, f/2.4, (telephoto), PDAF, 2x optical zoom 5 MP, f/2.2, (wide)

Triple

A—

B16 MP, f/1.8, PDAF 8 MP, f/2.4, (telephoto), PDAF, 2x optical zoom 5 MP, f/2.2, (wide)

Features

—

Dual-LED dual-tone flash, panorama, HDR

Features

A—

BDual-LED dual-tone flash, panorama, HDR

Video

—

1080p@30fps

Video

A—

B1080p@30fps

SELFIE CAMERA

Single

8 MP, f/1.9, 1/3.2", 22mm (wide), 1.4µm, PDAF"

16 MP

Single

A8 MP, f/1.9, 1/3.2", 22mm (wide), 1.4µm, PDAF"

B16 MP

Features

—

HDR

Features

A—

BHDR

Video

—

1080p@30fps

Video

A—

B1080p@30fps

SOUND

Loudspeaker

Yes, dual speakers

Yes

Loudspeaker

AYes, dual speakers

BYes

3.5mm jack

Yes 24-bit/192kHz audio DTS sound Active noise cancellation with dedicated mic

Yes Dolby Atmos sound

3.5mm jack

AYes 24-bit/192kHz audio DTS sound Active noise cancellation with dedicated mic

BYes Dolby Atmos sound

COMMS

WLAN

Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot

WLAN

AWi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot

BWi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot

Bluetooth

5.0, A2DP, EDR, LE, aptX

5.0, A2DP, LE

Bluetooth

A5.0, A2DP, EDR, LE, aptX

B5.0, A2DP, LE

GPS

Yes, with A-GPS, GLONASS, BDS, GALILEO

Yes, with A-GPS

GPS

AYes, with A-GPS, GLONASS, BDS, GALILEO

BYes, with A-GPS

USB

Type-C 1.0 reversible connector

2.0, Type-C 1.0 reversible connector

USB

AType-C 1.0 reversible connector

B2.0, Type-C 1.0 reversible connector

Radio

FM radio

Radio

AFM radio

BFM radio

Infrared port

Yes

—

Infrared port

AYes

B—

NFC

Yes

NFC

AYes

BYes

FEATURES

Sensors

Fingerprint (front-mounted), accelerometer, gyro, proximity, compass, color spectrum

Fingerprint (rear-mounted), accelerometer, proximity, compass

Sensors

AFingerprint (front-mounted), accelerometer, gyro, proximity, compass, color spectrum

BFingerprint (rear-mounted), accelerometer, proximity, compass

BATTERY

Charging

Fast battery charging 18W: 50% in 32 min

Fast battery charging 15W

Charging

AFast battery charging 18W: 50% in 32 min

BFast battery charging 15W

Battery Type

Non-removable Li-Ion 3600 mAh battery

Non-removable Li-Po 4050 mAh battery

Battery Type

ANon-removable Li-Ion 3600 mAh battery

BNon-removable Li-Po 4050 mAh battery

MISC

Colors

Moonlight white, Pure Black

Red, Green

Colors

AMoonlight white, Pure Black

BRed, Green

Models

Z01GD

L38111

Models

AZ01GD

BL38111

Price

About 550 USD

176 USD

Price

AAbout 550 USD

B176 USD

Cells highlighted in green indicate a measurably better spec on that phone (battery capacity, RAM, storage, display size). Text-only specs are shown side by side without highlighting.

Full Asus Zenfone 4 Pro ZS551KL review →Full Lenovo Z6 Youth review →