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Sony Xperia Z2 vs Samsung Galaxy Express 3 vs Samsung Galaxy S21

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

Comparison mode:

Display

Size:

5.2 inches
4.5 inches
6.2 inches

Resolution:

1920 x 1080 pixels, 424 PPI
800 x 480 pixels, 5:3 ratio, 207 PPI
2400 x 1080 pixels, 20:9 ratio, 424 PPI

Technology:

IPS LCD
Super AMOLED
Dynamic AMOLED

Refresh rate:

120Hz (adaptive)

Screen-to-body:

69.17 %
62.69 %
86.06 %

Colors:

16 777 216

Peak brightness:

1300 cd/m2 (nit)

Touchscreen:

Capacitive, Multi-touch

Features:

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

Hardware

System chip:

Qualcomm Snapdragon 801 8974-AB
Spreadtrum SC9830
Qualcomm Snapdragon 888

Processor:

Quad-core, 2300 MHz, Krait 400
Quad-core, 1300 MHz, Cortex-A7, 28 nm
Octa-core, 2840 MHz, Kryo 680, 64-bit, 5 nm

GPU:

Adreno 330
Mali-400
Adreno 660

RAM:

3GB LPDDR3
1GB
8GB LPDDR5

Internal storage:

16GB
8GB
128GB (UFS 3.0), not expandable

Storage expansion:

microSDXC up to 128 GB
microSDXC up to 128 GB

Device type:

Smartphone
Smartphone
Smartphone

OS:

Android (6.0 Marshmallow, 5.1 Lollipop, 5.0 Lollipop, 4.4.4, 4.4.2)
Android (6.0 Marshmallow)
Android (12, 11), Samsung One UI

Battery

Capacity:

3200 mAh
2050 mAh
4000 mAh

Type:

Li - Ion, Not user replaceable
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

Max charge speed:

Wired: 25.0W; Wireless: 15.0W

Camera

Rear:

Single camera
Single camera
Triple camera

Main camera:

20.7 MP (Autofocus, CMOS image sensor)
5 MP (Autofocus)
12 MP (OIS, PDAF)

Specifications:

Aperture size: F2.0; Sensor size: 1/2.3"; Pixel size: 1.12 μm
Aperture size: F2.2
Aperture size: F1.8; Focal length: 26 mm; Sensor size: 1/1.76"; Pixel size: 1.8 μm

Second camera:

64 MP (Telephoto, OIS, PDAF)

Specifications:

Aperture size: F2.0; Focal Length: 29 mm; Sensor size: 1/1.7"; Pixel size: 0.8 μm

Third camera:

12 MP (Ultra-wide, Autofocus)

Specifications:

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

Video recording:

3840x2160 (4K UHD)
1280x720 (HD) (30 fps)
7680x4320 (8K UHD) (24 fps), 3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (240 fps), 1280x720 (HD) (960 fps)

Features:

HDR
Video calling
OIS, HDR, Hyperlapse, Continuous autofocus, Video light, EIS

Front:

2.2 MP
2 MP
10 MP (PDAF, HDR)

Video capture:

1920x1080 (Full HD)
3840x2160 (4K UHD) (60 fps)

Design

Dimensions:

5.78 x 2.89 x 0.32 inches (146.8 x 73.3 x 8.2 mm)
5.22 x 2.73 x 0.35 inches (132.6 x 69.3 x 8.9 mm)
5.97 x 2.80 x 0.31 inches (151.7 x 71.2 x 7.9 mm)

Weight:

5.75 oz (163.0 g)
4.62 oz (131.0 g)
6.03 oz (171.0 g)

Materials:

Back: Glass
Back: Plastic; Frame: Plastic
Back: Plastic; Frame: Aluminum

Resistance:

Water, Dust; IP58
Water, Dust; IP68

Biometrics:

2D Face unlock, Ultrasonic in-screen fingerprint

Features:

Touch sensitive control keys

Keys:

Right: Volume control, Camera shutter, Lock/Unlock key
Left: Volume control; Right: Lock/Unlock key
Right: Volume control, Lock/Unlock key

Colors:

Black, Purple, White
Phantom pink, Violet, Gray, White

Cellular

5G:

n2, n5, n12, n25, n41, n66, n71, n77, 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), 13(700 c), 17(700 b), 20(800 DD)
Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 12(700 a)
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)

UMTS:

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

Data Speed:

LTE Cat 4 (150/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
LTE, HSPA
LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s, UMTS

SIM type:

Micro SIM
Nano SIM

VoLTE:

Yes

Multimedia

Headphones:

3.5mm jack
3.5mm jack
No 3.5mm jack

Speakers:

Earpiece, Multiple speakers
Earpiece, Loudspeaker
Earpiece, Multiple speakers

Features:

Album art cover, Background playback, Music recognition
Album art cover, Background playback
32-Bit DAC, Dolby Atmos, aptX, Dolby Digital, Dolby Digital Plus

Screen mirroring:

DLNA, Wireless screen share, MHL, MirrorLink
Wireless screen share
Wireless screen share

Radio:

FM, RDS
FM
FM, Stereo, RDS

Additional microphone(s):

for Noise cancellation
for Noise cancellation, Video recording

Connectivity & Features

Bluetooth:

4.0
4.1
5.0

Wi-Fi:

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

USB:

microUSB, USB 2.0
microUSB, USB 2.0
Type-C (reversible), USB 3.2

Features:

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

Location:

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

Sensors:

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

Other:

NFC, ANT+, SyncML, Tethering, Computer sync, OTA sync
Tethering, Computer sync, OTA sync
NFC, ANT+

Hearing aid compatible:

M3, T3
M3, T3

Phone features

Notifications:

Haptic feedback, Music ringtones (MP3), Polyphonic ringtones, Vibration, Flight mode, Silent mode, Speakerphone

Other features:

Voice dialing, Voice commands, Voice recording

Regulatory Approval

FCC approval:

Date approved:

Jul 23, 2014
Jul 19, 2016
Dec 08, 2020

FCC ID value:

PY7PM-0745
A3LSMJ120A
A3LSMG991U

Measured SAR:

Head:

0.94 W/kg
0.99 W/kg
0.36 W/kg

Body:

0.87 W/kg
0.72 W/kg
1.08 W/kg

Simultaneous Transmission:

1.59 W/kg
1.25 W/kg
3.96 W/kg

Wireless Router:

0.89 W/kg
1.06 W/kg
1.09 W/kg

Phablet:

2.49 W/kg

Buyers information

Price:

$ 800

In The Box:

C to C Data Cable, Ejection Pin

Availability

Officially announced:

Feb 24, 2014
Jan 14, 2021
FCC OKs Cingular\'s purchase of AT&T Wireless