Compare HTC Desire 820 vs Asus Zenfone 2 4GB RAM 64GB 2.3Ghz vs Lenovo K6 Note 3GB RAM

Summary
80%
83%
89%
Display

5.5" (Large)

HD, Avg sharpness

5.5" (Large)

Full HD, Very Sharp

5.5" (Large)

Full HD, Very Sharp

Performance

Quad + Quad Core

1.5 GHz + 1 GHz, 2 GB RAM

Quad core

2.3 GHz, 4 GB RAM

Octa core

1.4 GHz, 3 GB RAM

Storage

16 GB

128 GB (Expandable)

64 GB

64 GB (Expandable)

32 GB

128 GB (Expandable)

Camera

13 MP (Main)

8 MP (Front)

13 MP (Main)

5 MP (Front)

16 MP (Main)

8 MP (Front)

Battery

2600 mAh

22.4 h talktime (3G)

3000 mAh

4000 mAh

31 h talktime (4G)

Expert Rating
User Rating

★★★★★
★★★★★

4/5 based on 1,886 ratings

Read All User Reviews

★★★★★
★★★★★

3.9/5 based on 11,904 ratings

Read All User Reviews

General
Launch Date

November 5, 2014 (Official)

December 16, 2016 (Official)

Operating System

Android v4.4.2 (KitKat)

Android v5.0 (Lollipop)

Android v6.0 (Marshmallow)

Custom UI

HTC Sense 6 UI

Zen UI

SIM Slot(s)

Dual SIM, GSM+GSM

Dual SIM, GSM+GSM

Dual SIM, GSM+GSM

SIM Size

SIM1: Nano
SIM2: Nano

SIM1: Micro

SIM1: Nano
SIM2: Nano (Hybrid)

Network

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

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

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

Fingerprint Sensor

No

No

Quick Charging

No

No

No

Design
Size Compare
Size Compare
Size Compare
Dimensions

Height: 157.7 mm
Width: 78.7 mm
Thickness: 7.7 mm

Height: 152.5 mm
Width: 77.2 mm
Thickness: 10.9 mm

Height: 151 mm
Width: 76 mm
Thickness: 8.4 mm

Weight

155 grams

170 grams

169 grams

Build Material

Case: Metal
Back: Metal

Colours

Display
Good
Very Good
Excellent
Screen Resolution

HD (720 x 1280 pixels)

Full HD (1080 x 1920 pixels)

Full HD (1080 x 1920 pixels)

Pixel Density

267 ppi

401 ppi

401 ppi

Display Type

LCD

IPS LCD

IPS LCD

Screen Protection

Corning Gorilla Glass v3

Corning Gorilla Glass v3, Oleophobic coating

Touch Screen

Capacitive Touchscreen, Multi-touch

Capacitive Touchscreen, Multi-touch

Capacitive Touchscreen, Multi-touch

Screen to Body Ratio

67.04 %

70.67 %

72.5 %

Performance
Very Good
Very Good
Very Good
Chipset

Qualcomm Snapdragon 615 MSM8939

Intel Atom Z3580

Qualcomm Snapdragon 430 MSM8937

Processor

Octa core (1.5 GHz, Quad core, Cortex A53 + 1 GHz, Quad core)

Quad core, 2.3 GHz

Octa core, 1.4 GHz, Cortex A53

Architecture

64 bit

64 bit

64 bit

Graphics

Adreno 405

PowerVR G6430

Adreno 505

RAM

2 GB

4 GB

3 GB

Storage
Best in Class
Best in Class
Best in Class
Internal Memory

16 GB

64 GB

32 GB

Expandable Memory

Up to 128 GB

Up to 64 GB

Up to 128 GB

USB OTG Support

Camera
Excellent
Very Good
Very Good
Main Camera
Resolution

13 MP Primary Camera

13 MP Primary Camera

16 MP Primary Camera

Sensor

Back-illuminated sensor (BSI)

CMOS image sensor

CMOS image sensor

Autofocus

Phase Detection autofocus

Aperture

2.2 F

2.0 F

Optical Image Stabilisation

No

No

No

Flash

LED Flash

Dual-color LED Flash

Dual-color LED Flash

Image Resolution

4128 x 3096 Pixels

4128 x 3096 Pixels

4616 x 3464 Pixels

Settings

Exposure compensation, ISO control

Exposure compensation, ISO control

Exposure compensation, ISO control

Shooting Modes

High Dynamic Range mode (HDR)

Continuos Shooting, High Dynamic Range mode (HDR), Burst mode

Continuos Shooting, High Dynamic Range mode (HDR)

Camera Features

Digital Zoom, Auto Flash, Face detection, Simultaneous HD video and image recording, Touch to focus

Digital Zoom, Auto Flash, Face detection, Touch to focus

Digital Zoom, Auto Flash, Face detection, Touch to focus

Video Recording

1920x1080 @ 30 fps, 1280x720 @ 60 fps

1920x1080 @ 30 fps

1920x1080 @ 30 fps

Front Camera
Resolution

8 MP Front Camera

5 MP Front Camera

8 MP Front Camera

Sensor

BSI Sensor

Autofocus

No

No

No

Flash

No

No

No

Battery
Good
Good
Excellent
Capacity

2600 mAh

3000 mAh

4000 mAh

Type

Li-Polymer

Li-Polymer

Li-Polymer

User Replaceable

No

No

No

Standby Time

Up to 424 Hours(3G)

Network & Connectivity
SIM Size

SIM1: Nano
SIM2: Nano

SIM1: Micro

SIM1: Nano
SIM2: Nano (Hybrid)

VoLTE

SIM 1

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

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

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

SIM 2

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

2G

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

SAR Value

Head: 0.203 W/kg, Body: 0.316 W/kg

Head: 0.92 W/kg, Body: 0.87 W/kg

Bluetooth

v4.0

v4.0

v4.2

GPS

with A-GPS, Glonass

with A-GPS, Glonass

with A-GPS

NFC

No

No

USB Connectivity

Mass storage device, USB charging, microUSB 2.0

Mass storage device, USB charging, microUSB 2.0

microUSB 2.0

Multimedia
FM Radio

RDS

Loudspeaker

Audio Jack

3.5 mm

3.5 mm

3.5 mm

Audio Features

Dolby Atmos

Special Features
Fingerprint Sensor

No

No

Fingerprint Sensor Position

Back

Other Sensors

Light sensor, Proximity sensor, Accelerometer

Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope

Light sensor, Proximity sensor, Accelerometer, Gyroscope

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