Compare Nokia Lumia 720 vs Nokia Lumia 620 vs Asus Zenfone Zoom ZX551ML 128GB

Summary
59%
52%
85%
Display

4.3" (Small)

480x800, Avg sharpness

3.8" (Small)

480x800, Avg sharpness

5.5" (Large)

Full HD, Very Sharp

Performance

Dual core

1 GHz, 512 MB RAM

Dual core

1 GHz, 512 MB RAM

Quad core

2.5 GHz, 4 GB RAM

Storage

8 GB

64 GB (Expandable)

8 GB

64 GB (Expandable)

128 GB

128 GB (Expandable)

Camera

6.7 MP (Main)

1.3 MP (Front)

5 MP (Main)

0.3 MP (Front)

13 MP (Main)

5 MP (Front)

Battery

2000 mAh

13.4 h talktime (3G)

1300 mAh

9.83 talktime (3G)

3000 mAh

Expert Rating

★★★★★
★★★★★

Read Expert Review

User Rating

★★★★★
★★★★★

4.3/5 based on 4,471 ratings

Read All User Reviews

★★★★★
★★★★★

4.2/5 based on 2,297 ratings

Read All User Reviews

★★★★★
★★★★★

4.2/5 based on 14 ratings

Read All User Reviews

General
Launch Date

April 15, 2013 (Official)

January 18, 2013 (Official)

January 22, 2016 (Official)

Operating System

Windows Phone v8

Windows v8

Android v5.0 (Lollipop)

SIM Slot(s)

Single SIM, GSM

Single SIM, GSM

Single SIM, GSM

SIM Size

SIM1: Micro

SIM1: Micro

SIM1: Micro

Network

3G: Yes, 2G: Yes

3G: Yes, 2G: Yes

4G: Yes (supports Indian bands)
3G: Yes, 2G: Yes

Design
Size Compare
Size Compare
Size Compare
Dimensions

Height: 127.9 mm
Width: 67.5 mm
Thickness: 9 mm

Height: 115.4 mm
Width: 61.1 mm
Thickness: 11 mm

Height: 158.9 mm
Width: 78.8 mm
Thickness: 11.9 mm

Weight

128 grams

127 grams

185 grams

Colours

Display
Average
Average
Very Good
Screen Resolution

480 x 800 pixels

480 x 800 pixels

Full HD (1080 x 1920 pixels)

Pixel Density

217 ppi

246 ppi

401 ppi

Display Type

IPS LCD

TFT

IPS LCD

Screen Protection

Corning Gorilla Glass v4, Scratch-resistant glass

Touch Screen

Multi-touch

Capacitive Touchscreen, Multi-touch

Capacitive Touchscreen, Multi-touch

Screen to Body Ratio

66.56 %

Performance
Poor
Poor
Very Good
Chipset

Qualcomm Snapdragon S4 Plus MSM8227

Qualcomm Snapdragon S4 MSM8227

Intel Atom Z3590

Processor

Dual core, 1 GHz, Krait

Dual core, 1 GHz, Krait

Quad core, 2.5 GHz

Architecture

64 bit

Graphics

Adreno 305

Adreno 305

PowerVR G6430

RAM

512 MB

512 MB

4 GB

Storage
Very Good
Very Good
Best in Class
Internal Memory

8 GB

8 GB

128 GB

Expandable Memory

Up to 64 GB

Up to 64 GB

Up to 128 GB

Camera
Good
Average
Very Good
Main Camera
Resolution

6.7 MP

5 MP

13 MP

Sensor

Back-illuminated sensor (BSI)

Autofocus

Laser autofocus

Aperture

2.4 F

4.8 F

Optical Image Stabilisation

Flash

LED Flash

LED Flash

Dual-color LED Flash

Image Resolution

2992 x 2240 Pixels

2592 x 1936 Pixels

4160 x 3120 Pixels

Settings

Exposure compensation, ISO control

Shooting Modes

Continuos Shooting, High Dynamic Range mode (HDR)

Camera Features

4 x Digital Zoom, Touch to focus

4 x Digital Zoom

Digital Zoom, 3 x Optical Zoom, Auto Flash, Face detection, Touch to focus

Video Recording

1280x720 @ 30 fps

1280x720 @ 30 fps

1920x1080 @ 30 fps

Front Camera
Resolution

1.3 MP

0.3 MP

5 MP

Camera Features

Fixed Focus

Fixed Focus

Wide Angle Selfie

Battery
Average
Poor
Very Good
Capacity

2000 mAh

1300 mAh

3000 mAh

Type

Li-ion

Li-ion

Li-Polymer

Not User Replaceable

Standby Time

Up to 330(2G)

Wireless Charging

Network & Connectivity
SIM Size

SIM1: Micro

SIM1: Micro

SIM1: Micro

SIM 1

3G, 2G

3G, 2G

4G (supports Indian bands), 3G, 2G

SAR Value

Head: 1.24 W/kg

Bluetooth

v4.0

v4.0

v4.0

GPS

with A-GPS, Glonass

with A-GPS, Glonass

with A-GPS, Glonass

NFC

USB Connectivity

microUSB 2.0

microUSB 2.0

Mass storage device, USB charging, microUSB 2.0

Multimedia
FM Radio

No

Loudspeaker

Audio Jack

3.5 mm

3.5 mm

3.5 mm

Audio Features

Dolby Headphone

Special Features
Other Sensors

Light sensor, Proximity sensor, Accelerometer, Compass

Proximity sensor, Accelerometer, Compass

Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope

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