Comparison between:
- Sony Xperia X Compact
- Google Pixel 4a
- Google Pixel 3a

Brand and model

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

Sony Xperia X CompactGoogle Pixel 4aGoogle Pixel 3a
Sony Xperia X Compact
Prices
Google Pixel 4a
Prices
Google Pixel 3a
Prices
Model aliasF5321-G020E
G020F
G020G
G020H

Design

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

Width65 mm
6.5 cm
0.213 ft
2.559 in
69.4 mm
6.94 cm
0.228 ft
2.732 in
71.1 mm
7.11 cm
0.233 ft
2.799 in
Height129 mm
12.9 cm
0.423 ft
5.079 in
144 mm
14.4 cm
0.472 ft
5.669 in
152.4 mm
15.24 cm
0.5 ft
6 in
Thickness9.5 mm
0.95 cm
0.031 ft
0.374 in
8.2 mm
0.82 cm
0.027 ft
0.323 in
7.6 mm
0.76 cm
0.025 ft
0.299 in
Weight135 g
0.3 lbs
4.76 oz
143 g
0.32 lbs
5.04 oz
147 g
0.32 lbs
5.19 oz
Volume79.66 cm³
4.84 in³
81.95 cm³
4.98 in³
82.35 cm³
5 in³
ColorsBlack
White
Blue
Just BlackBlack
White
Purple-ish
Body materialsPlasticGlass
Polycarbonate
Polycarbonate

SIM card

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

SIM card typeNano-SIMNano-SIMNano-SIM
Number of SIM cards111

Networks

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

GSMGSM 850 MHz
GSM 900 MHz
GSM 1800 MHz
GSM 1900 MHz
GSM 850 MHz (B5)
GSM 900 MHz (B8)
GSM 1800 MHz (B3)
GSM 1900 MHz (B2)
GSM 850 MHz
GSM 900 MHz
GSM 1800 MHz
GSM 1900 MHz
CDMA-CDMA 800 MHz (BC0)
CDMA 1900 MHz (BC1)
CDMA 800 MHz (BC10)
CDMA 800 MHz
CDMA 1900 MHz
CDMA 800 MHz (B10)
UMTSUMTS 800 MHz
UMTS 850 MHz
UMTS 900 MHz
UMTS 1700/2100 MHz
UMTS 1900 MHz
UMTS 2100 MHz
UMTS 800 MHz (B21)
UMTS 850 MHz (B5)
UMTS 900 MHz (B8)
UMTS 1700 MHz (B4)
UMTS 1900 MHz (B2)
UMTS 2100 MHz (B1)
UMTS 850 MHz
UMTS 900 MHz
UMTS 1700/2100 MHz
UMTS 1900 MHz
UMTS 2100 MHz
LTELTE 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 850 MHz (B26)
LTE 700 MHz (B12)
LTE 700 MHz (B28)
LTE-FDD 700 MHz (B12)
LTE-FDD 700 MHz (B13)
LTE-FDD 700 MHz (B14)
LTE-FDD 700 MHz (B17)
LTE-FDD 700 MHz (B28)
LTE-FDD 700 MHz (B29)
LTE-FDD 800 MHz (B20)
LTE-FDD 850 MHz (B5)
LTE-FDD 850 MHz (B18)
LTE-FDD 850 MHz (B19)
LTE-FDD 850 MHz (B26)
LTE-FDD 900 MHz (B8)
LTE-FDD 1700 MHz (B4)
LTE-FDD 1700 MHz (B66)
LTE-FDD 1800 MHz (B3)
LTE-FDD 1900 MHz (B2)
LTE-FDD 1900 MHz (B25)
LTE-FDD 2100 MHz (B1)
LTE-FDD 2600 MHz (B7)
LTE-TDD 1900 MHz (B39)
LTE-TDD 2300 MHz (B40)
LTE-TDD 2500 MHz (B41)
LTE-TDD 2600 MHz (B38)
LTE-FDD 2300 MHz (B30)
LTE-TDD 5200 MHz (B46)
LTE-TDD 3500 MHz (B46)
LTE-FDD 600 MHz (B71)
LTE-TDD 2300 MHz (B40)
LTE-TDD 2500 MHz (B41)
LTE-TDD 2600 MHz (B38)
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 700 MHz (B12)
LTE 1900 MHz (B25)
LTE 850 MHz (B26)
LTE 700 MHz (B28)
LTE 1500 MHz (B32)
LTE 1700/2100 MHz (B66)

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 technologiesUMTS
EDGE
GPRS
HSPA+
LTE Cat 6
UMTS
EDGE
GPRS
HSPA+
LTE
EV-DO Rev. A
UMTS
EDGE
GPRS
HSPA+
EV-DO Rev. A
LTE Cat 11
-2x2 MiMO-

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 7.1.1 Nougat
Android 8.0 Oreo
Android 10Android 9.0 Pie

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.

SoCQualcomm Snapdragon 650 MSM8956Qualcomm Snapdragon 730GQualcomm Snapdragon 670
Process technology28 nm8 nm10 nm
CPU2x 1.8 GHz ARM Cortex-A72, 4x 1.2 GHz ARM Cortex-A532x 2.2 GHz Kryo 470, 6x 1.8 GHz Kryo 4702x 2.0 GHz Kryo 360, 6x 1.7 GHz Kryo 360
CPU bits64 bit64 bit64 bit
Instruction setARMv8ARMv8ARMv8
CPU cores688
CPU frequency1800 MHz2200 MHz2000 MHz
GPUQualcomm Adreno 510Qualcomm Adreno 618Qualcomm Adreno 615
GPU frequency550 MHz--
RAM capacity3 GB6 GB4 GB
RAM typeLPDDR3LPDDR4XLPDDR4X
RAM channelsDouble channelDouble channelDouble channel
RAM frequency933 MHz2133 MHz1866 MHz
-Titan M Security Module-

Storage

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

Storage32 GB128 GB64 GB

Memory cards

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

TypesmicroSD
microSDHC
microSDXC
--

Display

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

Type/technologyIPSOLEDOLED
Diagonal size4.6 in
116.84 mm
11.68 cm
5.81 in
147.57 mm
14.76 cm
5.6 in
142.24 mm
14.22 cm
Width2.26 in
57.28 mm
5.73 cm
2.49 in
63.17 mm
6.32 cm
2.45 in
62.23 mm
6.22 cm
Height4.01 in
101.83 mm
10.18 cm
5.25 in
133.37 mm
13.34 cm
5.04 in
127.91 mm
12.79 cm
Aspect ratio1.778:1
16:9
2.111:12.056:1
Resolution720 x 1280 pixels1080 x 2280 pixels1080 x 2220 pixels
Pixel density319 ppi
125 ppcm
434 ppi
170 ppcm
441 ppi
173 ppcm
Color depth24 bit
16777216 colors
24 bit
16777216 colors
24 bit
16777216 colors
Display area69.79 %84.58 %73.69 %
Other featuresCapacitive
Multi-touch
Scratch resistant
Capacitive
Multi-touch
Scratch resistant
Capacitive
Multi-touch
Scratch resistant
Corning Gorilla Glass 4
Triluminos display for mobile
X-Reality display
Dynamic contrast enhancement
Ambient EQ
Corning Gorilla Glass
Always-on Display
HDR (UHDA certification)
Dragontrail glass
Always-On Display

Sensors

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

SensorsProximity
Light
Accelerometer
Compass
Gyroscope
Fingerprint
Proximity
Light
Accelerometer
Gyroscope
Barometer
Magnetometer
Proximity
Light
Accelerometer
Compass
Gyroscope
Fingerprint
Hall
Step detector
Step counter
Fingerprint sensor model - Fingerprint Cards FPC1145
Active Edge
Motion Sense (Soli radar)
-

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 modelSony Exmor RS-Sony IMX363 Exmor RS
Sensor typeCMOS-CMOS
Sensor size6.17 x 4.55 mm
0.3 in
--
Sensor format-1/2.55"1/2.55"
Pixel size1.118 µm
0.001118 mm
1.4 µm
0.001400 mm
1.4 µm
0.001400 mm
Crop factor5.64--
ISO100 - 12800--
Aperturef/2f/1.7f/1.8
Focal length and 35 mm equivalent4.27 mm
24.1 mm *(35 mm / full frame)
28 mm *(35 mm / full frame)4.4 mm
27 mm *(35 mm / full frame)
Field of view-77 °76 °
Flash typeLEDDual LEDDual LED
Image resolution5520 x 4140 pixels
22.85 MP
4032 x 3024 pixels
12.19 MP
4032 x 3024 pixels
12.19 MP
Video resolution1920 x 1080 pixels
2.07 MP
3840 x 2160 pixels
8.29 MP
3840 x 2160 pixels
8.29 MP
Video FPS60 fps60 fps30 fps
FeaturesAutofocus
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
Hybrid auto focus (HAF)
Autofocus
Continuous shooting
Digital zoom
Optical zoom
Digital image stabilization
Optical image stabilization
Geotagging
Panorama
HDR
Touch focus
Face detection
White balance settings
ISO settings
Exposure compensation
Self-timer
Scene mode
Phase detection autofocus (PDAF)
Autofocus
Continuous shooting
Digital zoom
Digital image stabilization
Optical image stabilization
Geotagging
Panorama
HDR
Touch focus
Face detection
White balance settings
ISO settings
Exposure compensation
Self-timer
Scene mode
RAW
Phase detection autofocus (PDAF)
Triple Image Sensing
RGBC-IR sensor
Wide angel G-lens
Phase detection with Dual Pixel
1080p @ 120 fps
720p @ 240 fps
Phase detection with Dual Pixel
1080p @ 120 fps
720p @ 240 fps

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 modelSony Exmor R--
Sensor typeCMOS-CMOS
Pixel size-1.22 µm
0.001220 mm
1.12 µm
0.001120 mm
ISO100 - 6400--
Aperturef/2f/2f/2
Focal length and 35 mm equivalent22 mm *(35 mm / full frame)22 mm *(35 mm / full frame)-
Field of view-84 °84 °
Auxiliary light--LED
Image resolution2592 x 1944 pixels
5.04 MP
3264 x 2448 pixels
7.99 MP
3264 x 2448 pixels
7.99 MP
Video resolution1920 x 1080 pixels
2.07 MP
1920 x 1080 pixels
2.07 MP
1920 x 1080 pixels
2.07 MP
Video FPS30 fps30 fps30 fps
Features-HDR
Face detection
Face unlock
-
-2 NIR cameras
NIR flood emitter
NIR dot projector
-

Audio

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

SpeakerLoudspeaker
Earpiece
Stereo speakers
Loudspeaker
Earpiece
Stereo speakers
Loudspeaker
Earpiece
Stereo speakers
Clear Audio+
S-Force front surround
Active noise cancellation
HAC (M3/T3) - Hearing Aid Compatibility
HAC (M3/T3) - Hearing Aid Compatibility

Radio

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

RadioYesNoNo
RDS--

Tracking/Positioning

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

Tracking/PositioningGPS
A-GPS
GLONASS
GPS
A-GPS
GLONASS
Galileo
GPS
A-GPS
GLONASS
BeiDou
Galileo

Wi-Fi

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

Wi-Fi802.11a
802.11b
802.11g
802.11n
802.11n 5GHz
802.11ac
Dual band
Wi-Fi Hotspot
Wi-Fi Direct
802.11a
802.11b
802.11g
802.11n
802.11n 5GHz
802.11ac
Dual band
Wi-Fi Hotspot
Wi-Fi Direct
Wi-Fi Display
802.11a
802.11b
802.11g
802.11n
802.11n 5GHz
802.11ac
Dual band
Wi-Fi Hotspot
Wi-Fi Direct
-2x2 MiMO2x2 MiMO

Bluetooth

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

Version4.25.05.0
FeaturesA2DP
AVRCP
DIP
GAVDP
GAP
HDP
HFP
HID
HSP
LE
MAP
OPP
PAN
PBAP
SPP
A2DP
LE
A2DP
LE

USB

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

Connector typeUSB Type-CUSB Type-CUSB Type-C
Version2.02.03.1
FeaturesCharging
Mass storage
Charging
Mass storage
On-The-Go
Charging
Mass storage
On-The-Go

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 jackYesYesYes

Connectivity

Information about other important connectivity technologies supported by the devices.

ConnectivityComputer sync
OTA sync
Tethering
DLNA
NFC
Computer sync
OTA sync
Tethering
NFC
VoLTE
Computer sync
OTA sync
Tethering
DLNA

Browser

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

BrowserHTML
HTML5
CSS 3
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/codecsAAC
AAC+
AMR
AMR-WB
aptX
eAAC+
FLAC
M4A
MIDI
MP3
OGG
WMA
WAV
LDAC
DSEE HX
DSD
AAC
AAC+
AMR
AMR-WB
aptX
aptX HD
eAAC+
FLAC
M4A
MIDI
MP3
OGG
WMA
WAV
LDAC
AAC
AAC+
AMR
AMR-WB
aptX
aptX HD
eAAC+
FLAC
M4A
MIDI
MP3
OGG
WMA
WAV
LDAC

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/codecs3GPP
AVI
DivX
H.263
H.264
H.265
MKV
MP4
VP8
VP9
WebM
WMV
Xvid
3GPP
AVI
DivX
Flash Video
H.263
H.264
H.265
MKV
QuickTime
MP4
VC-1
VP8
WebM
WMV
Xvid
3GPP
AVI
DivX
Flash Video
H.263
H.264
H.265
MKV
QuickTime
MP4
VC-1
VP8
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.

Capacity2700 mAh3140 mAh3000 mAh
TypeLi-PolymerLi-PolymerLi-Ion
2G talk time11 h
660 min
0.5 days
--
2G stand-by time710 h
42600 min
29.6 days
--
3G talk time14 h
840 min
0.6 days
--
3G stand-by time750 h
45000 min
31.3 days
--
4G stand-by time670 h
40200 min
27.9 days
--
Charger output power-9 V / 2 A5 V / 3 A
9 V / 2 A
Quick charge technologyQualcomm Quick Charge 3.0USB Power Delivery 2.0-
FeaturesFast charging
Non-removable
Fast charging
Non-removable
Fast charging
Non-removable

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)1.08 W/kg1.37 W/kg0.69 W/kg
Body SAR (EU)1.25 W/kg1.39 W/kg1.13 W/kg
Head SAR (USA)0.72 W/kg1.18 W/kg1.18 W/kg
Body SAR (USA)0.97 W/kg1.19 W/kg1.17 W/kg

Additional features

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

Additional features--G020E - SAR (Specific Absorption Rate) EU: head - 0.690 W/kg; body - 1.130 W/kg
G020E - SAR (Specific Absorption Rate) US: head - 1.180 W/kg; body - 1.170 W/kg
G020F - SAR (Specific Absorption Rate) EU: head - 0.720 W/kg; body - 0.810 W/kg
G020F - SAR (Specific Absorption Rate) US: head - 1.180 W/kg; body - 0.870 W/kg
G020G - SAR (Specific Absorption Rate) US: head - 1.150 W/kg; body - 1.190 W/kg
G020H - SAR (Specific Absorption Rate) EU: head - 0.950 W/kg; body - 0.840 W/kg
G020H - SAR (Specific Absorption Rate) US: head - 1.190 W/kg; body - 1.170 W/kg
 Sony Xperia X CompactGoogle Pixel 4aGoogle Pixel 3a