Karbonn K9 Music 4G vs Asus ZenFone 8 Specs Comparison

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	9.0
Karbonn K9 Music 4G	Asus ZenFone 8
2200 mAh	4000 mAh
5.0-inch · 854x480px	5.9-inch · 2400x1080px
Single camera	Dual camera
1GB · 16GB	6GB · 128GB
	Released · May 13, 2021

Design

Dimensions
5.66 x 2.81 x 0.36 inches 143.75 x 71.5 x 9.2 mm	5.83 x 2.70 x 0.35 inches 148 x 68.6 x 8.9 mm
Weight
5.80 oz (164.5 g)	5.96 oz (169.0 g)
Materials
	Back: Glass (Corning Gorilla Glass 3) Frame: Aluminum
Resistance
	Water, Dust; IP68
Biometrics
	Optical in-screen fingerprint
Features
Touch sensitive control keys
Keys
Right: Volume control, Lock/Unlock key	Right: Volume control, Lock/Unlock key
Colors
Gold, Blue	Obsidian Black, Horizon Silver

Display

Size
5.0-inch	5.9-inch
Resolution
854x480px, 196 PPI	2400x1080px, 20:9 ratio, 446 PPI
Technology
	AMOLED
Refresh rate
	120Hz
Screen-to-body
67.14 %	82.76 %
Colors
16 777 216
Peak brightness
	1100 cd/m2 (nit)
Features
Ambient light sensor, Proximity sensor	HDR support, Scratch-resistant glass (Corning Gorilla Glass Victus), Ambient light sensor, Proximity sensor

Hardware

System chip
	Qualcomm Snapdragon 888 SM8350 (5 nm)
Processor
Quad-core 1300 MHz	Octa-core 2840 MHz Kryo 680
GPU
Yes	Adreno 660
RAM
1GB	6GB (LPDDR5)
Internal storage
16GB	128GB (UFS 3.1)
Storage expansion
microSDXC up to 128 GB	not expandable
OS
Android (7.0 Nougat)	Android (11), Zen 8 UI

Battery

Capacity
2200 mAh	4000 mAh
Charging
	Qualcomm Quick Charge 4
Charge speed
	Wired: 30.0W

Battery Life Estimate

Untested

Browsing

Untested

Video

Untested

Gaming

Untested

Battery Life Estimate

6h 11min

Browsing

10h 12min

Video

11h 23min

Gaming

8h 42min

Camera

Rear
Single camera	Dual camera
Main camera
8 MP (Autofocus)	64 MP (OIS, PDAF) Aperture size: F1.8 Focal length: 27 mm Sensor size: 1/1.7" Pixel size: 1.6 μm
Second camera
	12 MP (Ultra-wide, PDAF) Aperture size: F2.2 Focal Length: 14 mm Sensor size: 1/2.55" Pixel size: 1.4 μm
Flash
LED	LED
Video recording
Yes Video calling, Video sharing	7680x4320 (8K UHD) (24 fps), 3840x2160 (4K UHD) (120 fps), 1920x1080 (Full HD) (240 fps), 1280x720 (HD) (480 fps) Time-lapse video, Picture-taking during video recording, EIS
Front
5 MP	12 MP (PDAF), Video capture: 3840x2160 (4K UHD) (30 fps)

Connectivity & Features

Bluetooth
Yes	5.2, Yes
WLAN
802.11 b,g,n Wi-Fi Direct	802.11 a,b,g,n,ac,ax(Wi-Fi 6),tri-band MIMO, Wi-Fi Direct, Hotspot
USB
microUSB, USB 2.0	Type-C, USB 2.0
Location
GPS, A-GPS	GPS, A-GPS, Glonass, Galileo, QZSS, NavIC, Cell ID, Wi-Fi positioning
Sensors
Accelerometer	Accelerometer, Gyroscope, Compass
Other
VoIP, Tethering, Computer sync, OTA sync	NFC

Multimedia

Headphones
3.5mm jack	3.5mm jack
Speakers
Earpiece, Loudspeaker	Earpiece, Multiple speakers
Features
Album art cover, Background playback	aptX, aptX-HD
Screen mirroring
Wireless screen share	Wireless screen share
Radio
	FM, Stereo, RDS
Additional microphone(s)
	Noise cancellation

Cellular

5G
	Bands n1, n2, n3, n5, n7, n8, n12, n20, n25, n38, n40, n66, n71, n77, n78, SA, NSA
4G (FDD)
Bands 3(1800), 5(850)	Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 17(700 b), 18(800 Lower), 19(800 Upper), 20(800 DD), 25(1900+), 26(850+), 30(2300 WCS), 66(AWS-3), 71(600)
4G (TDD)
Bands 40(2300)	Bands 34(2000), 38(2600), 39(1900+), 40(2300), 41(2600+), 42(3500)
3G
Bands 8(900), 1(2100)	Bands 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 6(800), 8(900), 19(800)
Data Speed
	LTE-A Pro Cat 20 (2000/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s
Dual SIM
Yes	Yes
SIM type
	Nano SIM

Phone Features

Notifications
Haptic feedback, Music ringtones, Vibration, Flight mode, Silent mode, Speakerphone
Other features
Voice dialing, Voice commands, Voice recording

Buyers information

MSRP
	€ 599

Availability

Officially announced
	May 12, 2021

Alternative variants

With 8GB RAM


RAM	8GB

With 8GB RAM and 256GB internal storage


RAM	8GB
Internal storage	256GB

With 16GB RAM and 256GB internal storage


RAM	16GB
Internal storage	256GB

Global


5G	Bands n1, n2, n3, n5, n7, n8, n12, n20, n28, n38, n77, n78, SA, NSA
4G (FDD)	Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 17(700 b), 18(800 Lower), 19(800 Upper), 20(800 DD), 26(850+), 28(700 APT)
4G (TDD)	Bands 34(2000), 38(2600), 39(1900+), 40(2300), 41(2600+), 42(3500)
3G	Bands 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 6(800), 8(900), 19(800)

Links

Full specifications
Karbonn K9 Music 4G Specs	Asus ZenFone 8 Specs
PhoneArena Review
	Asus ZenFone 8 Review
User Reviews
	Asus ZenFone 8 User Reviews