Karbonn A40 Indian vs Samsung Galaxy A21 Specs Comparison

Availability

Officially announced
	Apr 08, 2020
Prices (MSRP)
	$250

Design

Dimensions
4.84 x 2.53 x 0.41 inches 122.95 x 64.3 x 10.5 mm	6.61 x 3.02 x 0.32 inches 167.8 x 76.7 x 8.1 mm
Weight
4.16 oz (118.0 g)	6.81 oz (193.0 g)
Materials
	Back: Plastic Frame: Plastic
Biometrics
	Fingerprint (touch)
Features
Touch sensitive control keys
Keys
Right: Volume control, Lock/Unlock key	Right: Volume control, Lock/Unlock key
Colors
Black, Gold, Brown, Blue	Black

Display

Size
4.0-inch, 57.65% screen-to-body	6.5-inch, 79.20% screen-to-body
Type
	IPS LCD, 60Hz
Resolution
800x480px, 233 PPI	1600x720px, 20:9 ratio, 270 PPI
Colors
16 777 216

Hardware

System chip
	Mediatek Helio P35 MT6765 (12 nm)
Processor
Quad-core 1300 MHz	Octa-core 4x2.3GHz Cortex-A53 4x1.8G​Hz Cortex-A53
GPU
Yes	PowerVR GE8320
Memory
1GB/8GB	3GB (LPDDR4)/32GB (eMMC 5.1)
Storage expansion
microSDHC up to 32 GB	microSDXC up to 512 GB
OS
Android (7.0 Nougat)	Android (10)

Battery

Type
1400 mAh, Li - Ion	4000 mAh, Li - Polymer
Charging
	Fast charging
Charge speed
	Wired: 15.0W

Camera

Rear
Single camera	Quad camera
Main camera
2 MP	16 MP (PDAF) Aperture size: F1.8 Sensor size: 1/3.06" Pixel size: 1 μm
Second camera
	8 MP (Ultra-wide) Aperture size: F2.2 Sensor size: 1/4" Pixel size: 1.12 μm
Third camera
	2 MP (Macro) Aperture size: F2.4
Fourth camera
	2 MP (Depth information) Aperture size: F2.4
Flash
LED	LED
Video recording
Yes Video calling, Video sharing	1080p (30 fps)
Front
0.3 MP VGA	13 MP Video capture: 1080p

Connectivity & Features

Bluetooth
Yes	5.0
WLAN
b,g,n Hotspot, Wi-Fi Direct 802.11 b, g, n	a,b,g,n,ac,dual-band Wi-Fi Direct, Hotspot 802.11 a, b, g, n, ac
USB
microUSB, USB 2.0	Type-C, USB 2.0
Sensors
Accelerometer, Ambient light sensor, Proximity sensor	Accelerometer, Gyroscope, Compass, Ambient light sensor, Proximity sensor
Hearing aid compatible
	M4/T3
Location
GPS, A-GPS	GPS, A-GPS, Glonass, BeiDou, Cell ID, Wi-Fi positioning
Other
VoIP, Tethering, Computer sync, OTA sync	NFC

Multimedia

Headphones
3.5mm jack	3.5mm jack
Speakers
Earpiece, Loudspeaker	Earpiece, Loudspeaker
Features
Album art cover, Background playback
Screen mirroring
Wireless screen share	Wireless screen share
Radio
	FM

Cellular

4G (FDD) Bands
3, 5	1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 25, 26, 28, 66, 71
4G (TDD) Bands
40	38, 39, 40, 41
3G Bands
8, 1	1, 2, 4, 5, 8
Data Speed
LTE, HSPA, HSUPA	LTE-A Cat 6 (300/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
Dual SIM
Yes
SIM type
	Nano SIM
HD Voice
	Yes

Phone Features

Notifications
Haptic feedback
Other features
Voice dialing, Voice commands, Voice recording

Regulatory Approval

FCC approval
	Date approved: Apr 17, 2020 FCC ID value: ZCASMA215U
Measured SAR
	Head: 0.42 W/kg Body: 1.27 W/kg Simultaneous Transmission: 1.27 W/kg Wireless Router: 1.27 W/kg

Alternative variants

for Verizon

4G (FDD) Bands	1, 2, 3, 5, 7, 8, 20, 28
4G (TDD) Bands	38, 40, 41
3G Bands	5, 8, 2, 1

for Sprint

4G (FDD) Bands	2, 3, 4, 5, 7, 12, 13, 25, 26, 66, 71
4G (TDD) Bands	41

Links

Full specifications
Karbonn A40 Indian Specs	Samsung Galaxy A21 Specs
User Reviews
	Samsung Galaxy A21 User Reviews