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Kyocera K342 vs Samsung Galaxy S21 Ultra vs Samsung Galaxy S25 Specs Comparison

Compare mobile phone specifications of up to three devices at once. Our specs comparison tool helps you find and compare the perfect phone for your needs.

Comparison mode:
Specs Size
Differences only
Kyocera K342
9.1
Samsung Galaxy S21 Ultra
7.4
Samsung Galaxy S25
Kyocera K342 Samsung Galaxy S21 Ultra Samsung Galaxy S25
1000 mAh
5000 mAh
4000 mAh
160 x 128 px
6.8-inch · 3200 x 1440 px
6.2-inch · 2340 x 1080 px
1.3 MP Main
108 MP Main · 40 MP Selfie
50 MP Main · 12 MP Selfie
Released · Jan 29, 2021
Released · Feb 07, 2025
12GB · 128GB
12GB · 128GB
Check prices Check prices

Display

Size
6.8-inch 6.2-inch
Resolution
160 x 128 px 3200 x 1440 px, 20:9 ratio, 516 PPI 2340 x 1080 px, 19.5:9 ratio, 416 PPI
Technology
TFT Dynamic AMOLED Dynamic AMOLED
Refresh rate
120Hz (adaptable) 120Hz
Screen-to-body
89.33 % 78.65 %
Colors
65 536
Peak brightness
1500 cd/m2 (nit) 2600 cd/m2 (nit)
Features
HDR support, Scratch-resistant glass (Corning Gorilla Glass Victus), Ambient light sensor, Proximity sensor HDR support, Scratch-resistant glass (Corning Gorilla Glass Victus 2), Ambient light sensor, Proximity sensor
Additional display
64 x96 px, STN

Hardware

System chip
Qualcomm Snapdragon 888 SM8350 (5 nm) Qualcomm Snapdragon 8 Elite SM8750-AB (3 nm)
Processor
Octa-core, 1x 2.84GHz Kryo 680 + 3x 2.42GHz Kryo 680 + 4x 1.80GHz Kryo 680, 64-bit Octa-core, 2x 4.47GHz Oryon V2 Phoenix L + 6x 3.53GHz Oryon V2 Phoenix M
GPU
Adreno 660 Adreno 830
RAM
12GB (LPDDR5) 12GB (LPDDR5X)
Internal storage
128GB (UFS 3.1), not expandable 128GB (UFS 4.0), not expandable
OS
Android (14, 13, 12, 11), One UI Android (15), One UI
Device type
Smartphone Smartphone

Battery

Capacity
1000 mAh 5000 mAh 4000 mAh
Type
Li - Ion, User replaceable Li - Polymer, Not user replaceable Li - Ion, 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 wireless charging
Max charge speed
Wired: 25.0W
Wireless: 15.0W 		Wired: 25.0W
Wireless: 15.0W
PhoneArena Battery Tests
Battery Life Estimate
Untested
Browsing
Untested
Video
Untested
Gaming
Untested
Battery Life Estimate
6h 15min
Browsing
14h 43min
Video
8h 52min
Gaming
8h 40min
Battery Life Estimate
7h 6min
Browsing
18h 29min
Video
8h 1min
Gaming
12h 20min
Find out more details about battery and charging for all phones we have tested on our PhoneArena Battery Score page.

Camera

Rear
Single camera Quad camera Triple camera
Main camera
1.3 MP (Autofocus) 108 MP (OIS, Laser and PDAF)
Specifications:
Aperture size: F1.8
Focal length: 24 mm
Sensor size: 1/1.33"
Pixel size: 0.8 μm 		50 MP (OIS, PDAF)
Specifications:
Aperture size: F1.8
Focal length: 24 mm
Sensor size: 1/1.56"
Pixel size: 1.0 μm
Second camera
10 MP (Telephoto, 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 		10 MP (Telephoto, OIS)
Specifications:
Optical zoom: 3.0x
Aperture size: F2.4
Focal Length: 67 mm
Sensor size: 1/3.94"
Pixel size: 1.0 μm
Third camera
10 MP (Telephoto, OIS, PDAF)
Specifications:
Optical zoom: 3.0x
Aperture size: F2.4
Focal Length: 70 mm
Sensor size: 1/3.2"
Pixel size: 1.22 μm 		12 MP (Ultra-wide)
Specifications:
Aperture size: F2.2
Focal Length: 13 mm
Sensor size: 1/2.55"
Pixel size: 1.4 μm
Fourth 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
Flash
Yes LED LED
Video recording
Yes 7680x4320 (8K UHD) (24 fps), 3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (240 fps), 1280x720 (HD) (960 fps)
Features:
OIS, HDR, Hyperlapse, Video light, EIS 		7680x4320 (8K UHD) (30 fps), 3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (240 fps)
Features:
HDR, Continuous autofocus, Picture-taking during video recording
Front
40 MP (PDAF, HDR), Video capture: 3840x2160 (4K UHD) (60 fps) 12 MP (HDR), Video capture: 3840x2160 (4K UHD) (60 fps)
PhoneArena Camera Tests
N/A
Overall
N/A
Photo
N/A
Video
N/A
Overall
N/A
Photo
N/A
Video
147
Overall
151
Photo
142
Video
Find out more details about photo and video scores for all phones we have tested on our PhoneArena Camera Score page.

Design

Dimensions
3.54 x 1.81 x 0.92 inches
(90 x 46 x 23.5 mm) 		6.50 x 2.98 x 0.35 inches
(165.1 x 75.6 x 8.9 mm)
thickness with camera 0.37 inches (9.4 mm) 		5.78 x 2.78 x 0.28 inches
(146.9 x 70.5 x 7.2 mm)
thickness with camera 0.33 inches (8.45 mm)
Weight
3.40 oz(96.0 g) 8.04 oz(229.0 g) 5.71 oz(162.0 g)
Materials
Back: Glass (Corning Gorilla Glass Victus)
Frame: Aluminum 		Back: Glass (Corning Gorilla Glass Victus 2)
Frame: Aluminum
Resistance
Water, Dust; IP68 Water, Dust; IP68
Biometrics
2D Face unlock, Ultrasonic in-screen fingerprint Ultrasonic in-screen fingerprint
Features
Numeric keypad, Soft keys
Keys
Left: Volume control, Camera shutter Right: Volume control, Lock/Unlock key Right: Volume control, Lock/Unlock key
Colors
Phantom black, Silver Icy Blue, Mint, Navy, Silver Shadow

Cellular

5G
Bands n2, n5, n12, n25, n41, n66, n71, n77, n260, n261, SA, NSA, Sub-6, mmWave Bands n1, n2, n5, n7, n25, n28, n41, n66, n71, n258, n260, n261, SA, NSA, Sub-6, mmWave, 5G Ready
4G (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), 19(800 Upper), 20(800 DD), 25(1900+), 28(700 APT), 30(2300 WCS), 71(600)
4G (TDD)
Bands 38(2600), 39(1900+), 40(2300), 41(2600+), 46, 48(3600) Bands 38(2600), 39(1900+), 40(2300), 41(2600+)
3G
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 Pro Cat 20 (2000/150 Mbit/s) LTE-A Pro Cat 20 (2000/150 Mbit/s)
SIM type
Nano SIM Nano SIM, eSIM

Multimedia

Headphones
2.5mm jack No 3.5mm jack No 3.5mm jack
Speakers
Earpiece, Multiple speakers Earpiece, Multiple speakers
Features
32-Bit DAC, Dolby Atmos, aptX, Dolby Digital, Dolby Digital Plus
Screen mirroring
Wireless screen share Wireless screen share
Radio
FM, Stereo, RDS
Additional microphone(s)
Noise cancellation, Video recording Noise cancellation

Connectivity & Features

Bluetooth
1.2 5.1 5.4
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),Wi-Fi 6E,Wi-Fi 7
Wi-Fi Direct, Hotspot
USB
Type-C (reversible), USB 3.2, Features: Charging, Headphones port, OTG, Video out Type-C (reversible), USB 3.2, Features: Charging, OTG
Hearing aid compatible
M3/T3 M3/T4
Location
A-GPS GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
Sensors
Accelerometer, Gyroscope, Compass, Hall (for flip covers), Barometer Accelerometer, Gyroscope, Compass, Barometer
Other
Computer sync NFC, ANT+ NFC, Ultra Wideband (UWB)

Regulatory Approval

FCC approval
Date approved: Dec 22, 2020
FCC ID value: A3LSMG998U 		Date approved: Nov 26, 2024
FCC ID value: A3LSMS931U
Measured SAR
Head: 0.77 W/kg
Body: 1.02 W/kg
Simultaneous Transmission: 1.59 W/kg
Wireless Router: 1.16 W/kg
Phablet: 3.15 W/kg 		Head: 1.13 W/kg
Body: 0.81 W/kg
Simultaneous Transmission: 1.08 W/kg

Buyers information

MSRP
$ 1200 / € 1399 $ 799 / € 899
In The Box
C to C Data Cable, Ejection Pin USB-C cable, SIM ejector tool, Paperwork

Availability

Officially announced
Apr 05, 2006 Jan 14, 2021 Jan 22, 2025

Alternative variants

with 256GB storage
Internal storage 256GB
Colors Phantom black
MSRP $ 1250
With 256GB internal storage
Internal storage 256GB
MSRP $ 860
with 512GB storage
RAM 16GB
Internal storage 512GB
Colors Phantom black
MSRP $ 1380
With 512GB internal storage
Internal storage 512GB
for Europe
System chip Samsung Exynos 2100 (5 nm)
Processor Octa-core, 1x 2.91GHz Cortex-X1 + 3x 2.81GHz Cortex-A78 + 4x 2.2GHz Cortex-A55, 64-bit
GPU Mali G78 MP14
Weight 8.01 oz(227.0 g)
5G Bands SA, NSA, Sub-6
FCC approval Date approved: Dec 22, 2020
FCC ID value: A3LSMG998B
Measured SAR Head: 0.16 W/kg
Body: 0.72 W/kg
Simultaneous Transmission: 1.59 W/kg
Wireless Router: 1.34 W/kg
Phablet: 3.86 W/kg
FCC OKs Cingular\'s purchase of AT&T Wireless