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Karbonn K1212 vs Samsung Galaxy S21 Ultra vs Samsung Galaxy Z Flip 3

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

Comparison mode:

Display

Size:

3.2 inches
6.8 inches
6.7 inches

Resolution:

400 x 240 pixels, 146 PPI
3200 x 1440 pixels, 20:9 ratio, 516 PPI
2636 x 1080 pixels, 22:9 ratio, 425 PPI

Technology:

Dynamic AMOLED
Dynamic AMOLED

Refresh rate:

120Hz (adaptable)
120Hz

Screen-to-body:

47.00 %
89.33 %
84.79 %

Colors:

262 144

Peak brightness:

1500 cd/m2 (nit)

Touchscreen:

Yes

Features:

HDR support, Scratch-resistant glass (Corning Gorilla Glass Victus), Ambient light sensor, Proximity sensor
Folding inside the device, HDR support, Ambient light sensor, Proximity sensor

Front cover display:

1.9 inches, 260 x 512 pixels, AMOLED

Hardware

System chip:

Qualcomm Snapdragon 888
Qualcomm Snapdragon 888 SM8350

Processor:

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

GPU:

Adreno 660
Adreno 660

RAM:

12GB LPDDR5
8GB LPDDR5

Internal storage:

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

Storage expansion:

microSDHC

Device type:

Feature phone
Smartphone
Smartphone

OS:

Android (12, 11), Samsung One UI
Android (11)

Battery

Capacity:

1000 mAh
5000 mAh
3300 mAh

Type:

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

Charging:

Qualcomm Quick Charge 2.0, USB Power Delivery, Samsung Adaptive Fast Charging, Qi and Powermat wireless charging, Reverse wireless charging
Fast charging, Qi wireless charging, Reverse charging

Max charge speed:

Wired: 25.0W; Wireless: 15.0W
Wired: 15.0W; Wireless: 10.0W

Camera

Rear:

Single camera
Quad camera
Dual camera

Main camera:

3 MP
108 MP (OIS, Laser and PDAF)
12 MP (OIS, Autofocus)

Specifications:

Aperture size: F1.8; Focal length: 24 mm; Sensor size: 1/1.33"; Pixel size: 0.8 μm
Aperture size: F1.8; Pixel size: 1.4 μm

Second camera:

10 MP (Telephoto, OIS, PDAF)
12 MP (Ultra-wide)

Specifications:

Optical zoom: 3.0x; Aperture size: F2.4; Focal Length: 70 mm; Sensor size: 1/3.2"; Pixel size: 1.22 μm
Aperture size: F2.2; Pixel size: 1.12 μm

Third camera:

12 MP (Ultra-wide, PDAF)

Specifications:

Aperture size: F2.2; Focal Length: 13 mm; Sensor size: 1/2.55"; Pixel size: 1.4 μm

Fourth camera:

10 MP (Periscope, OIS, PDAF)

Specifications:

Optical zoom: 10.0x; Aperture size: F4.9; Focal Length: 240 mm; Sensor size: 1/3.2"; Pixel size: 1.22 μm

Video recording:

Yes
7680x4320 (8K UHD) (24 fps), 3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (240 fps), 1280x720 (HD) (960 fps)
Yes

Features:

OIS, HDR, Hyperlapse, Video light, EIS

Front:

40 MP (PDAF, HDR)
10 MP

Video capture:

3840x2160 (4K UHD) (60 fps)

Design

Dimensions:

4.33 x 2.22 x 0.47 inches (110 x 56.5 x 12 mm)
6.50 x 2.98 x 0.35 inches (165.1 x 75.6 x 8.9 mm)
6.54 x 2.84 x 0.27 inches (166 x 72.2 x 6.9 mm)

Folded:

(72.2 x 86.4 x 15.9 mm)

Weight:

6.31 oz (178.9 g)
8.04 oz (229.0 g)
6.46 oz (183.0 g)

Materials:

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

Resistance:

Water, Dust; IP68
Yes; IPX8

Biometrics:

2D Face unlock, Ultrasonic in-screen fingerprint
Fingerprint (touch)

Keys:

Right: Volume control, Lock/Unlock key
Right: Volume control, Lock/Unlock key

Colors:

Phantom black, Silver
Phantom Black, Cream, Lavender

Cellular

5G:

n2, n5, n12, n25, n41, n66, n71, n77, n260, n261, SA, NSA, Sub-6, mmWave
n2, n5, n25, n41, n66, n71, n260, n261, SA, NSA, Sub-6, mmWave

LTE (FDD):

Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 13(700 c), 14(700 PS), 18(800 Lower), 19(800 Upper), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 30(2300 WCS), 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), 14(700 PS), 18(800 Lower), 19(800 Upper), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 30(2300 WCS), 66(AWS-3), 71(600)

LTE (TDD):

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

UMTS:

Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900)
Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900)

Data Speed:

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

Dual SIM:

Yes

SIM type:

Nano SIM
Nano SIM

Multimedia

Headphones:

No 3.5mm jack
No 3.5mm jack

Speakers:

Earpiece
Earpiece, Multiple speakers
Earpiece, Multiple speakers

Features:

32-Bit DAC, Dolby Atmos, aptX, Dolby Digital, Dolby Digital Plus
aptX, aptX-HD

Screen mirroring:

Wireless screen share
Wireless screen share

Radio:

FM
FM, Stereo, RDS

Additional microphone(s):

for Noise cancellation, Video recording
for Noise cancellation

Connectivity & Features

Bluetooth:

Yes
5.1
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; Wi-Fi Direct, Hotspot

USB:

Yes
Type-C (reversible), USB 3.2
Type-C (reversible), USB 3.1

Features:

Charging, Headphones port, OTG, Video out
Charging, OTG

Location:

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

Sensors:

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

Other:

Tethering, Computer sync
NFC, ANT+
NFC

Hearing aid compatible:

M3, T3

Phone features

Notifications:

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

Other features:

Voice recording

Regulatory Approval

FCC approval:

Date approved:

Dec 22, 2020
Jun 23, 2021

FCC ID value:

A3LSMG998U
A3LSMF711U

Measured SAR:

Head:

0.77 W/kg
1.05 W/kg

Body:

1.02 W/kg
1.08 W/kg

Simultaneous Transmission:

1.59 W/kg
1.59 W/kg

Wireless Router:

1.16 W/kg
1.21 W/kg

Phablet:

3.15 W/kg

Buyers information

Price:

$ 1200

In The Box:

C to C Data Cable, Ejection Pin

Availability

Officially announced:

Jan 14, 2021
Aug 11, 2021
FCC OKs Cingular\'s purchase of AT&T Wireless