Karbonn A40 Indian vs Samsung Galaxy A40

Display

Display size

4.0 inches
5.9 inches

Resolution

480 x 800 pixels
1080 x 2340 pixels

Pixel density

233 ppi
437 ppi

Technology

 
Super AMOLED

Screen-to-body ratio

57.65 %
85.73 %

Features

Ambient light sensor, Proximity sensor
Ambient light sensor, Proximity sensor

Camera

Rear

Single camera
Dual camera

Main camera

2 megapixels
16 megapixels

Hardware Features

 
Phase detection autofocus

Specifications

 
Aperture size: F1.7

Second camera

 
5 megapixels

Hardware Features

 
Ultra-wide

Specifications

 
Aperture size: F2.2; Focal Length: 12 mm

Flash

LED
LED

Video recording

Yes
1920x1080 (Full HD) (30 fps)

Features

Video calling, Video sharing
Hyperlapse, Video calling, Video sharing

Front

0.3 megapixels VGA
25 megapixels

Design

Dimensions

4.84 x 2.53 x 0.41 inches (122.95 x 64.3 x 10.5 mm)
5.68 x 2.72 x 0.31 inches (144.3 x 69.1 x 7.9 mm)

Weight

4.16 oz (118 g)
the average is 6 oz (173 g)
4.94 oz (140 g)
the average is 6 oz (173 g)

Materials

 
Back: Plastic

Biometrics

 
2D Face unlock, Fingerprint (touch)

Features

Touch sensitive control keys
 

Colors

Black, Gold, Brown, Blue
Black, Pink, Blue, White

Hardware & Performance

System chip

 
Samsung Exynos 7 Octa 7885

Processor

Quad-core, 1300 MHz
Octa-core, 1800 MHz, ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 14 nm

GPU

Yes
Mali-G71 MP2

RAM

1 GB
4 GB

Internal storage

8 GB
64 GB

Maximum User Storage

 
49.4 GB

Storage expansion

up to 32 GB
up to 512 GB

OS

Android (7.0 Nougat)
Android (9.0 Pie), Samsung One UI

Battery

Capacity

1400 mAh
3100 mAh

Charging

 
Samsung Adaptive Fast Charging

Talk time

4.00 hours
the average is 23 h (1388 min)
 

Stand-by time

8.3 days (200 hours)
the average is 21 days (500 h)
 

Talk time (3G)

 
18.00 hours
the average is 23 h (1396 min)

Internet use

 
 

3G

 
9 hours

LTE

 
11 hours

Wi-Fi

 
11 hours

Music playback

 
62.00 hours

Video playback

 
14.00 hours

Cellular

LTE (FDD)

Bands 3, 5
Bands 1, 3, 5, 7, 8, 20

LTE (TDD)

Bands 40
Bands 38, 40, 41

UMTS

900, 2100 MHz
850, 900, 1900, 2100 MHz

GSM

900, 1800 MHz
850, 900, 1800, 1900 MHz

Data

LTE, HSPA, HSUPA
LTE-A Cat 12/13 (600/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s

Dual SIM

Yes
Yes

SIM type

 
Nano SIM

Connectivity

Bluetooth

Yes
5.0

Wi-Fi

802.11 b, g, n
802.11 a, b, g, n, ac, dual-band

USB

USB 2.0
USB 3.1

Connector

microUSB
USB Type-C (reversible)

Features

Mass storage device, USB charging
Mass storage device

Mobile Payment

 
Samsung Pay

Location

GPS, A-GPS
GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning

Other

VoIP, Tethering, Computer sync, OTA sync
NFC, ANT+, VoIP, Tethering, Computer sync, OTA sync

Phone features

Sensors

Accelerometer
Accelerometer, Gyroscope, Compass, Hall (for flip covers)

Notifications

Haptic feedback
Haptic feedback, Music ringtones, Vibration

Other features

Voice dialing, Voice commands, Voice recording
Voice dialing, Voice commands, Voice recording

Multimedia

Screen mirroring

Wireless screen share
Wireless screen share

Radio

 
FM

Speakers

Earpiece, Loudspeaker
Earpiece, Loudspeaker

Headphones connector

3.5mm
3.5mm

Additional microphone(s)

 
for Noise cancellation

Regulatory Approval

FCC approval

 
 

Date approved

 
Mar 08, 2019

 
FCC ID value: A3LSMA405FN link

FCC measured SAR

 
 

Head

 
0.51 W/kg

Body

 
0.46 W/kg

Simultaneous Transmission

 
1.02 W/kg

Wireless Router

 
0.61 W/kg
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