Karbonn K9 Smart Plus vs Xiaomi Redmi Note 9 Specs Comparison

Availability

Officially announced
	Apr 30, 2020

Design

Dimensions
5.85 x 2.81 x 0.35 inches 148.6 x 71.5 x 8.8 mm	6.39 x 3.04 x 0.35 inches 162.3 x 77.2 x 8.9 mm
Weight
5.75 oz / 163.0 g	7.02 oz / 199.0 g
Materials
	Frame: Plastic
Resistance
	Splash
Biometrics
	Fingerprint (touch)
Keys
Right: Volume control, Lock/Unlock key	Right: Volume control, Lock/Unlock key
Colors
Yellow, Blue, Red	Forest green, Polar white, Midnight gray

Display

Size
5.5-inch, 72.28% screen-to-body	6.5-inch, 83.52% screen-to-body
Type
IPS LCD	IPS LCD
Resolution
1440x720px, 295 PPI	2340x1080px, 19.5:9 ratio, 395 PPI
Colors
16 777 216
Protection
Dragontrail	Corning Gorilla Glass 5

PhoneArena Display Test

Bright Max (20% APL)
Untested	Untested
Bright Min
Untested	0.8 (Excellent)

Learn more on our PhoneArena Display Test Results page.

Hardware

System chip
	MediaTek Helio G85 (12 nm)
Processor
Quad-core 1400 MHz	Octa-core 2000 MHz Arm Cortex-A75 and ArmCortex-A55
GPU
Yes	Mali G52 MC2
Memory
1GB/8GB	3GB (LPDDR4)/64GB (eMMC 5.1) 4GB/128GB
Storage expansion
microSDXC up to 128 GB	microSDXC up to 128 GB
OS
Android (8.1 Oreo)	Android (10)

Battery

Type
2800 mAh, Li - Polymer	5020 mAh, Li - Polymer
Charging
	Fast charging Reverse wired charging
Charge speed
	Wired: 18.0W

PhoneArena Battery Tests

Battery Life Estimate

Untested

Browsing

Untested

Video

Untested

Gaming

Untested

Battery Life Estimate

Untested

Browsing

Untested

Video

10h 43min

Gaming

7h 34min

Learn more on our PhoneArena Battery Test Results page

Camera

Rear
Single camera	Quad camera
Main camera
5 MP (Autofocus) Aperture size: F2.0 Pixel size: 1.4 μm	48 MP (PDAF) Aperture size: F1.8 Sensor size: 1/2" Pixel size: 0.8 μm
Second camera
	8 MP (Ultra-wide) Aperture size: F2.2 Sensor size: 1/4" Pixel size: 1.2 μm
Third camera
	2 MP (Macro, Autofocus) Aperture size: F2.4 Pixel size: 1.75 μm
Fourth camera
	2 MP Aperture size: F2.4 Sensor size: 1/5" Pixel size: 1.7 μm
Flash
Dual LED	LED
Video recording
Yes Time-lapse video, Video calling, Video sharing	1080p (30 fps), 720p (120 fps)
Front
5 MP	13 MP (HDR) 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
Location
GPS, A-GPS	GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
Other
VoIP, Tethering, Computer sync, OTA sync	NFC, Infrared

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
Additional microphone(s)
	Noise cancellation

Cellular

4G (FDD) Bands
1, 3, 5	1, 2, 3, 4, 5, 7, 8, 20, 28
4G (TDD) Bands
40	38, 40, 41
3G Bands
8, 1	1, 2, 4, 5, 8
Data Speed
LTE, UMTS	LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
Dual SIM
Yes	Yes
SIM type
	Nano SIM
VoLTE
	Yes

Phone Features

Notifications
Haptic feedback, Music ringtones, Vibration
Other features
Voice dialing, Voice commands, Voice recording

Alternative variants

with 128GB storage

Memory	4GB/128GB

Discover more

Full Specs Karbonn K9 Smart Plus Specs

Full Specs Xiaomi Redmi Note 9 Specs PA Review Xiaomi Redmi Note 9 Review