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Karbonn K1212 vs OnePlus 9 vs OnePlus 8

Compare phone and tablet specifications of up to three devices at once.

Comparison mode:

Display

Size:

3.2 inches
6.5 inches
6.5 inches

Resolution:

400 x 240 pixels, 146 PPI
2400 x 1080 pixels, 20:9 ratio, 402 PPI
2400 x 1080 pixels, 20:9 ratio, 402 PPI

Technology:

AMOLED
AMOLED

Refresh rate:

120Hz
90Hz

Screen-to-body:

47.00 %
87.27 %
88.65 %

Colors:

262 144

Peak brightness:

1100 cd/m2 (nit)

Touchscreen:

Yes

Features:

HDR support, Scratch-resistant glass (Corning Gorilla Glass), Ambient light sensor, Proximity sensor
HDR support, Scratch-resistant glass (Corning Gorilla Glass 5), Ambient light sensor, Proximity sensor

Hardware

System chip:

Qualcomm Snapdragon 888
Qualcomm Snapdragon 865 SM8250

Processor:

Octa-core, 2840 MHz, Kryo 680, 64-bit, 5 nm
Octa-core, 2840 MHz, Kryo 585, 64-bit, 7 nm

GPU:

Adreno 660
Adreno 650

RAM:

8GB LPDDR5
8GB LPDDR4

Internal storage:

0.024GB
128GB (UFS 3.1), not expandable
128GB (UFS 3.0), not expandable

Storage expansion:

microSDHC

Device type:

Feature phone
Smartphone
Smartphone

OS:

Android (11), OxygenOS UI
Android (11, 10)

Battery

Capacity:

1000 mAh
4500 mAh
4300 mAh

Type:

Li - Ion, User replaceable
Not user replaceable
Li - Polymer, Not user replaceable

Battery life test results:

Charging:

OnePlus Warp Charge, Qi wireless charging
OnePlus Warp Charge

Max charge speed:

Wired: 65.0W; Wireless: 15.0W
Wired: 30.0W

Camera

Rear:

Single camera
Triple camera
Triple camera

Main camera:

3 MP
48 MP (PDAF)
48 MP (OIS, PDAF)

Specifications:

Aperture size: F1.8; Focal length: 23 mm; Sensor size: 1/1.4"; Pixel size: 1.12 μm
Aperture size: F1.8; Focal length: 25 mm; Sensor size: 1/2"; Pixel size: 0.8 μm

Second camera:

50 MP (Ultra-wide)
16 MP (Ultra-wide, PDAF)

Specifications:

Aperture size: F2.2; Focal Length: 14 mm; Sensor size: 1/1.56"
Aperture size: F2.2; Focal Length: 14 mm

Third camera:

2 MP (Black and White)
2 MP (Macro)

Specifications:

Aperture size: F2.4; Pixel size: 1.75 μm

Video recording:

Yes
7680x4320 (8K UHD) (30 fps), 3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (240 fps), 1280x720 (HD) (480 fps)
3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (240 fps), 1280x720 (HD) (480 fps)

Features:

HDR, Continuous autofocus, EIS
OIS, HDR, Time-lapse video, EIS

Front:

16 MP (EIS)
16 MP (EIS, HDR)

Video capture:

1920x1080 (Full HD)

Design

Dimensions:

4.33 x 2.22 x 0.47 inches (110 x 56.5 x 12 mm)
6.30 x 2.92 x 0.34 inches (160 x 74.2 x 8.7 mm)
6.31 x 2.87 x 0.31 inches (160.2 x 72.9 x 8 mm)

Weight:

6.31 oz (178.9 g)
6.77 oz (192.0 g)
6.35 oz (180.0 g)

Materials:

Back: Glass (Corning Gorilla Glass); Frame: Aluminum
Back: Glass (Corning Gorilla Glass 5); Frame: Aluminum

Biometrics:

2D Face unlock, In-screen fingerprint
2D Face unlock, In-screen fingerprint

Keys:

Left: Volume control; Right: Lock/Unlock key, Other
Left: Volume control; Right: Lock/Unlock key

Colors:

Winter Mist, Arctic Sky, Astral Black
Glacial green

Cellular

5G:

n1, n2, n3, n5, n7, n8, n20, n25, n28, n38, n40, n41, n48, n66, n71, n77, n78
n2, n5, n41, n66, n71, SA, NSA

LTE (FDD):

Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 13(700 c), 17(700 b), 18(800 Lower), 19(800 Upper), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 30(2300 WCS), 32(1500 L-band), 66(AWS-3), 71(600)
Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 13(700 c), 17(700 b), 18(800 Lower), 19(800 Upper), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 29(700 d), 30(2300 WCS), 66(AWS-3), 71(600)

LTE (TDD):

Bands 38(2600), 39(1900+), 40(2300), 41(2600+), 46, 48(3600)
Bands 34(2000), 38(2600), 39(1900+), 40(2300), 41(2600+), 46, 48(3600)

UMTS:

Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900), 9(1700), 19(800)
Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 6(800), 8(900)

Data Speed:

LTE-A Pro Cat 20 (2000/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s, UMTS
LTE-A Pro Cat 18 (1200/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s

Dual SIM:

Yes
Yes

SIM type:

Nano SIM
Nano SIM

Multimedia

Headphones:

No 3.5mm jack
No 3.5mm jack

Speakers:

Earpiece
Earpiece, Loudspeaker, Multiple speakers
Earpiece, Multiple speakers

Features:

Dolby Atmos
Dolby Atmos, aptX-HD

Screen mirroring:

Wireless screen share
DLNA, Wireless screen share

Radio:

FM

Additional microphone(s):

for Noise cancellation
for Noise cancellation

Connectivity & Features

Bluetooth:

Yes
5.2
5.1

Wi-Fi:

802.11 a, b, g, n, ac, ax (Wi-Fi 6), dual-band; MIMO, Wi-Fi Direct, Hotspot
802.11 a, b, g, n, ac, ax (Wi-Fi 6), dual-band; MIMO, Wi-Fi Direct, Hotspot

USB:

Yes
Type-C (reversible), USB 3.1
Type-C (reversible), USB 3.1

Features:

Charging, Headphones port, Mass storage device
Charging, Headphones port, OTG

Location:

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

Sensors:

Accelerometer
Accelerometer, Gyroscope, Compass
Accelerometer, Gyroscope, Compass

Other:

Tethering, Computer sync
NFC
NFC

Phone features

Notifications:

Music ringtones (MP3, AMR, MIDI), Polyphonic ringtones (64 voices), Vibration, Speakerphone

Other features:

Voice recording

Regulatory Approval

FCC approval:

Date approved:

Mar 24, 2021
Jan 24, 2021

FCC ID value:

2ABZ2-EF136
2ABZ2-EE103

Measured SAR:

Head:

1.20 W/kg
1.01 W/kg

Body:

0.78 W/kg
0.78 W/kg

Simultaneous Transmission:

1.48 W/kg
1.59 W/kg

Wireless Router:

1.18 W/kg
0.92 W/kg

Buyers information

Price:

$ 729
$ 699

User Manual:

This is the official OnePl​us 8 User Guide in English provided from the manufacturer.

In The Box:

Warp Charge 65 Power Adapter, Warp Charge Type-C to Type-C Cable, Quick Start Guide, Welcome Letter, Safety Information and Warranty Card, OnePlus Sticker, SIM Tray Ejector
Warp Charge 30 Power Adapter, Warp Type-C Cable (Support USB 2.0), Quick Start Guide, Welcome Letter, Safety Information and Warranty Card, LOGO Sticker, Screen Protector, SIM Tray Ejector

Availability

Officially announced:

Mar 23, 2021
Apr 14, 2020
FCC OKs Cingular\'s purchase of AT&T Wireless