Comparison between:
- Sony Smartwatch 2
- Sony Digital Paper System
- Sony Xperia X Performance

Brand and model

Information about the brand, model and model alias (if any) of a specific device.

Sony Smartwatch 2Sony Digital Paper SystemSony Xperia X Performance
Sony Smartwatch 2Sony Digital Paper SystemSony Xperia X Performance
Prices
Model aliasSW2DPT-S1F8131
F8132

Design

Information about the dimensions and weight of the device, shown in different measurement units. Body materials, available colors, certifications.

Width42 mm
4.2 cm
0.138 ft
1.654 in
233 mm
23.3 cm
0.764 ft
9.173 in
71.1 mm
7.11 cm
0.233 ft
2.799 in
Height41 mm
4.1 cm
0.135 ft
1.614 in
310 mm
31 cm
1.017 ft
12.205 in
144.8 mm
14.48 cm
0.475 ft
5.701 in
Thickness9 mm
0.9 cm
0.03 ft
0.354 in
6.8 mm
0.68 cm
0.022 ft
0.268 in
8.7 mm
0.87 cm
0.029 ft
0.343 in
Weight122 g
0.27 lbs
4.32 oz
358 g
0.79 lbs
12.63 oz
165 g
0.36 lbs
5.82 oz
Volume-491.16 cm³
29.83 in³
89.57 cm³
5.44 in³
Colors-BlackBlack
White
Rose-gold
Gold
Body materialsAluminium alloy
Stainless steel
-Metal
CertificationIP57-IP68

SIM card

The Subscriber Identity Module (SIM) is used in mobile devices for storing data authenticating the subscribers of mobile services.

SIM card type--Nano-SIM
Number of SIM cards--1
--F8132 - Dual SIM

Networks

A mobile (cellular) network is a radio system, which allows a large number of mobile devices to communicate with each other.

GSM--GSM 850 MHz
GSM 900 MHz
GSM 1800 MHz
GSM 1900 MHz
UMTS--UMTS 800 MHz
UMTS 850 MHz
UMTS 900 MHz
UMTS 1700/2100 MHz
UMTS 1900 MHz
UMTS 2100 MHz
LTE--LTE 700 MHz Class 13
LTE 700 MHz Class 17
LTE 800 MHz
LTE 850 MHz
LTE 900 MHz
LTE 1700/2100 MHz
LTE 1800 MHz
LTE 1900 MHz
LTE 2100 MHz
LTE 2600 MHz
LTE-TDD 1900 MHz (B39)
LTE-TDD 2300 MHz (B40)
LTE-TDD 2500 MHz (B41)
LTE-TDD 2600 MHz (B38)
LTE 700 MHz (B12)

Mobile network technologies and bandwidth

Communication between devices within mobile networks is realized via various generations of network technologies, which provide different bandwidth.

Mobile network technologies--UMTS
EDGE
GPRS
HSPA+
LTE Cat 9

Operating system

Operating system is the system software, which manages and controls the functioning of the hardware components of the device.

Operating system (OS)--Android 6.0.1 Marshmallow
Android 7.0 Nougat

System on Chip (SoC)

A system on a chip (SoC) includes into a single chip some of the main hardware components of the mobile device.

SoCST-Microelectronics STM32F439Freescale i.MX508Qualcomm Snapdragon 820 MSM8996
Process technology-65 nm14 nm
CPUARM Cortex-M4ARM Cortex-A82x 2.15 GHz Kryo, 2x 1.6 GHz Kryo
CPU bits-32 bit64 bit
Instruction set-ARMv7-AARMv8-A
Level 1 cache memory (L1)-32 KB + 32 KB32 KB + 32 KB
Level 2 cache memory (L2)-256 KB
0.25 MB
1536 KB
1.5 MB
CPU cores114
CPU frequency180 MHz1000 MHz2150 MHz
GPU--Qualcomm Adreno 530
GPU frequency--624 MHz
RAM capacity256 MB1 GB3 GB
RAM type-LPDDR2LPDDR4
RAM channels--Double channel
RAM frequency--1866 MHz

Storage

Every mobile device has a built-in storage (internal memory) with a fixed capacity.

Storage-4 GB32 GB
-eMMC 4.5-

Memory cards

Memory cards are used in mobile devices for expanding their external storage capacity.

Types-microSD
microSDHC
microSDXC
microSD
microSDHC
microSDXC

Display

The display of a mobile device is characterized by its technology, resolution, pixel density, diagonal length, color depth, etc.

Type/technologyLCDE Ink MobiusIPS
Diagonal size1.6 in
40.64 mm
4.06 cm
13.3 in
337.82 mm
33.78 cm
5 in
127 mm
12.7 cm
Width1.25 in
31.73 mm
3.17 cm
7.98 in
202.69 mm
20.27 cm
2.45 in
62.26 mm
6.23 cm
Height1 in
25.39 mm
2.54 cm
10.64 in
270.26 mm
27.03 cm
4.36 in
110.69 mm
11.07 cm
Aspect ratio1.25:1
5:4
1.333:1
4:3
1.778:1
16:9
Resolution220 x 176 pixels1200 x 1600 pixels1080 x 1920 pixels
Pixel density176 ppi
69 ppcm
150 ppi
58 ppcm
441 ppi
173 ppcm
Color depth--24 bit
16777216 colors
Display area-76.08 %67.16 %
Other featuresCapacitive
Multi-touch
Scratch resistant
Capacitive
Multi-touch
Capacitive
Multi-touch
Scratch resistant
Color transflective displayScreen shades - 16
Optical and electromagnetic induction touchscreen
Flexible display
Triluminos display for mobile
X-Reality display
Dynamic contrast enhancement

Sensors

Different sensors measure different physical quantities and convert them into signals recognizable by the mobile device.

SensorsProximity
Light
Accelerometer
Compass
-Proximity
Light
Accelerometer
Compass
Gyroscope
Barometer
Fingerprint
--Step detector
Step counter
Fingerprint sensor model - Fingerprint Cards FPC1145

Rear camera

The primary camera of the mobile device is usually placed on its back and can be combined with one or more additional cameras.

Sensor model--Sony Exmor RS
Sensor type--CMOS
Sensor size--6.17 x 4.55 mm
0.3 in
Pixel size--1.118 µm
0.001118 mm
Crop factor--5.64
ISO--100 - 12800
Aperture--f/2
Focal length and 35 mm equivalent--4.27 mm
24.1 mm *(35 mm / full frame)
Flash type--LED
Image resolution--5520 x 4140 pixels
22.85 MP
Video resolution--1920 x 1080 pixels
2.07 MP
Video FPS--30 fps
Features--Autofocus
Continuous shooting
Digital zoom
Digital image stabilization
Geotagging
Panorama
HDR
Touch focus
Face detection
White balance settings
ISO settings
Exposure compensation
Self-timer
Scene mode
Macro mode
Phase detection autofocus (PDAF)
--Pulse LED flash
Wide angel G-lens

Front camera

Modern smartphones have one or more front cameras and their positioning has led to various design concepts – pop-up camera, rotating camera, notch, punch hole, under-display camera, etc.

Sensor model--Sony Exmor RS
Sensor type--CMOS
Sensor size--4.8 x 3.6 mm
0.24 in
Pixel size--1.154 µm
0.001154 mm
Crop factor--7.21
ISO--100 - 6400
Aperture--f/2
Focal length and 35 mm equivalent--3.05 mm
22 mm *(35 mm / full frame)
Image resolution--4160 x 3120 pixels
12.98 MP
Video resolution--1920 x 1080 pixels
2.07 MP
Video FPS--30 fps

Audio

Information about the type of speakers and the audio technologies supported by the device.

Speaker--Loudspeaker
Earpiece
Stereo speakers
--Clear Audio+
S-Force front surround

Radio

The radio in a mobile device is a built-in FM radio receiver.

RadioNo-No

Tracking/Positioning

Information about the positioning and navigation technologies supported by the device.

Tracking/Positioning--GPS
A-GPS
GLONASS
BeiDou

Wi-Fi

Wi-Fi is a technology that provides wireless data connections between various devices within a short range.

Wi-Fi-802.11b
802.11g
802.11n
802.11a
802.11b
802.11g
802.11n
802.11n 5GHz
802.11ac
Dual band
Wi-Fi Hotspot
Wi-Fi Direct

Bluetooth

Bluetooth is a standard for secure wireless data transfer between different types of devices over short distances.

Version3.0-4.2
Features--A2DP
AVRCP
DIP
GAVDP
GAP
HDP
HFP
HID
HSP
LE
MAP
OPP
PAN
PBAP
SPP

USB

The Universal Serial Bus (USB) is an industry standard that allows different electronic devices to exchange data.

Connector typeMicro USBMicro USBMicro USB
Version2.02.02.0
FeaturesChargingCharging
Mass storage
Charging
Host
Mass storage

Headphone jack

The headphone jack is an audio phone connector, a.k.a. an audio jack. The most widely used one in mobile devices is the 3.5 mm headphone jack.

Headphone jackNoNoYes

Connectivity

Information about other important connectivity technologies supported by the devices.

ConnectivityNFCComputer syncComputer sync
OTA sync
Tethering
DLNA
NFC

Browser

A web browser is a software application for accessing, fetching, displaying and navigating through information on the World Wide Web.

Browser-HTML
HTML5
CSS 3
HTML
HTML5
CSS 3

Audio file formats/codecs

Mobile devices support various audio file formats and codecs, which respectively store and code/decode digital audio data.

Audio file formats/codecs--AAC
AAC+
AMR
AMR-WB
aptX
eAAC+
FLAC
M4A
MIDI
MP3
OGG
WMA
WAV
LDAC
DSEE HX
DSD

Video file formats/codecs

Mobile devices support various video file formats and codecs, which respectively store and code/decode digital video data.

Video file formats/codecs--3GPP
AVI
DivX
H.263
H.264
H.265
MKV
MP4
VP8
VP9
WebM
WMV
Xvid

Battery

The batteries of mobile devices differ in capacity and technology. They provide the electrical charge needed for the functioning of the devices.

Capacity225 mAh1270 mAh2700 mAh
TypeLi-PolymerLi-IonLi-Polymer
Charger output power-5 V / 1.5 A5 V / 1.5 A
FeaturesNon-removableNon-removableNon-removable
Battery life - up to 72 hBattery life - up to 504 h-

Specific Absorption Rate (SAR)

The SAR rating shows the amount of electromagnetic radiation absorbed by the human body when using a mobile device, expressed in W/kg.

Head SAR (EU)--0.52 W/kg
Body SAR (EU)--0.94 W/kg
Head SAR (USA)--0.58 W/kg
Body SAR (USA)--0.67 W/kg

Additional features

Some devices have additional features, different from the standard ones above, but equally important and worth mentioning.

Additional features-Stylus - passive
Supported file formats - PDF
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 Sony Smartwatch 2Sony Digital Paper SystemSony Xperia X Performance