Compare Karbonn A21 vs Micromax A100 vs Lenovo K6 Note 3GB RAM

Summary
89%
Display

4.5" (Medium)

480x800, Avg sharpness

5" (Medium)

480x854, Low sharpness

5.5" (Large)

Full HD, Very Sharp

Performance

Dual core

1.2 GHz, 512 MB RAM

Dual core

1 GHz, 512 MB RAM

Octa core

1.4 GHz, 3 GB RAM

Storage

4 GB

32 GB (Expandable)

4 GB

32 GB (Expandable)

32 GB

128 GB (Expandable)

Camera

5 MP (Main)

1.3 MP (Front)

5 MP (Main)

0.3 MP (Front)

16 MP (Main)

8 MP (Front)

Battery

1800 mAh

5 h talktime (2G)

2000 mAh

5 h talktime (2G)

4000 mAh

31 h talktime (4G)

Expert Rating
User Rating

★★★★★
★★★★★

3.8/5 based on 318 ratings

Read All User Reviews

★★★★★
★★★★★

3.9/5 based on 7 ratings

Read All User Reviews

General
Launch Date

December 16, 2016 (Official)

Operating System

Android v4 (Ice Cream Sandwich)

Android v4 (Ice Cream Sandwich)

Android v6.0 (Marshmallow)

SIM Slot(s)

Dual SIM, GSM+GSM

Dual SIM, GSM+GSM

Dual SIM, GSM+GSM

SIM Size

SIM1: Nano
SIM2: Nano (Hybrid)

Network

3G: Yes, 2G: Yes

3G: Yes, 2G: Yes

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

Fingerprint Sensor

Quick Charging

No

Design
Size Compare
Size Compare
Size Compare
Dimensions

Height: 112 mm
Width: 60.5 mm
Thickness: 11.5 mm

Height: 142.2 mm
Width: 72.6 mm
Thickness: 11.90 mm

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

Weight

104 grams

168 grams

169 grams

Build Material

Case: Metal
Back: Metal

Colours

Display
Excellent
Screen Resolution

480 x 800 pixels

480 x 854 pixels

Full HD (1080 x 1920 pixels)

Pixel Density

207 ppi

196 ppi

401 ppi

Display Type

TFT

LCD

IPS LCD

Touch Screen

Capacitive Touchscreen, Multi-touch

Capacitive Touchscreen, Multi-touch

Capacitive Touchscreen, Multi-touch

Screen to Body Ratio

84.98 %

66.71 %

72.5 %

Performance
Very Good
Chipset

Qualcomm Snapdragon S4 Play MSM8225

Qualcomm Snapdragon 430 MSM8937

Processor

Dual core, 1.2 GHz, Cortex A5

Dual core, 1 GHz

Octa core, 1.4 GHz, Cortex A53

Architecture

64 bit

Graphics

Adreno 203

Adreno 200

Adreno 505

RAM

512 MB

512 MB

3 GB

Storage
Best in Class
Internal Memory

4 GB

4 GB

32 GB

Expandable Memory

Up to 32 GB

Up to 32 GB

Up to 128 GB

USB OTG Support

Camera
Very Good
Main Camera
Resolution

5 MP Primary Camera

5 MP Primary Camera

16 MP Primary Camera

Sensor

CMOS image sensor

Autofocus

Phase Detection autofocus

Optical Image Stabilisation

No

Flash

LED Flash

LED Flash

Dual-color LED Flash

Image Resolution

2592 x 1944 Pixels

2592 x 1944 Pixels

4616 x 3464 Pixels

Settings

Exposure compensation, ISO control

Shooting Modes

Continuos Shooting, High Dynamic Range mode (HDR)

Camera Features

Digital Zoom

Digital Zoom

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

Video Recording

720x480 fps

1920x1080 @ 30 fps

Front Camera
Resolution

1.3 MP Front Camera

0.3 MP Front Camera

8 MP Front Camera

Autofocus

No

Flash

No

Camera Features

Fixed Focus

Battery
Excellent
Capacity

1800 mAh

2000 mAh

4000 mAh

Type

Li-ion

Li-ion

Li-Polymer

User Replaceable

No

Standby Time

Up to 200 Hours(2G)

Up to 180 Hours(2G)

Network & Connectivity
SIM Size

SIM1: Nano
SIM2: Nano (Hybrid)

VoLTE

SIM 1

3G, 2G

3G, 2G

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

SIM 2

2G

2G

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

Bluetooth

v2.1

v3.0

v4.2

GPS

with A-GPS

NFC

No

USB Connectivity

USB 2.0, microUSB 2.0

USB 2.0, microUSB

microUSB 2.0

Multimedia
FM Radio

Loudspeaker

Audio Jack

3.5 mm

3.5 mm

3.5 mm

Audio Features

Dolby Atmos

Special Features
Fingerprint Sensor

Fingerprint Sensor Position

Back

Other Sensors

Accelerometer

Accelerometer

Light sensor, Proximity sensor, Accelerometer, Gyroscope

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