Comparison between:
- Google Pixel 4a
- HTC One A9

Brand and model

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

Google Pixel 4aHTC One A9
Google Pixel 4a
Prices
HTC One A9
Prices

Design

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

Width69.4 mm
6.94 cm
0.228 ft
2.732 in
70.8 mm
7.08 cm
0.232 ft
2.787 in
Height144 mm
14.4 cm
0.472 ft
5.669 in
145.75 mm
14.575 cm
0.478 ft
5.738 in
Thickness8.2 mm
0.82 cm
0.027 ft
0.323 in
7.26 mm
0.726 cm
0.024 ft
0.286 in
Weight143 g
0.32 lbs
5.04 oz
143 g
0.32 lbs
5.04 oz
Volume81.95 cm³
4.98 in³
74.92 cm³
4.55 in³
ColorsJust BlackGray
Silver
Gold
Red
Body materialsGlass
Polycarbonate
Metal

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-SIM
Number of SIM cards11

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 (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
CDMACDMA 800 MHz (BC0)
CDMA 1900 MHz (BC1)
CDMA 800 MHz (BC10)
CDMA 800 MHz
CDMA 1900 MHz
UMTSUMTS 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-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 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 2300 MHz (B40)
LTE-TDD 2500 MHz (B41)
LTE-TDD 2600 MHz (B38)
LTE 700 MHz (B28)
AWS-1 (B4)
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 technologiesUMTS
EDGE
GPRS
HSPA+
LTE
EV-DO Rev. A
UMTS
EDGE
GPRS
HSPA+
LTE
LTE Cat 7
EV-DO Rev. A
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 10Android 6.0 Marshmallow
Android 7.0 Nougat
User interface (UI)-Sense

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 730GQualcomm Snapdragon 617 MSM8952
Process technology8 nm28 nm
CPU2x 2.2 GHz Kryo 470, 6x 1.8 GHz Kryo 4704x 1.5 GHz ARM Cortex-A53, 4x 1.2 GHz ARM Cortex-A53
CPU bits64 bit64 bit
Instruction setARMv8ARMv8
Level 0 cache memory (L0)-4 KB + 4 KB
Level 1 cache memory (L1)-16 KB + 16 KB
Level 2 cache memory (L2)-2048 KB
2 MB
CPU cores88
CPU frequency2200 MHz1500 MHz
GPUQualcomm Adreno 618Qualcomm Adreno 405
RAM capacity6 GB2 GB
3 GB
RAM typeLPDDR4XLPDDR3
RAM channelsDouble channelSingle channel
RAM frequency2133 MHz933 MHz
Titan M Security Module-

Storage

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

Storage128 GB16 GB
32 GB

Memory cards

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

Types-microSD
microSDHC
microSDXC

Display

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

Type/technologyOLEDAMOLED
Diagonal size5.81 in
147.57 mm
14.76 cm
5 in
127 mm
12.7 cm
Width2.49 in
63.17 mm
6.32 cm
2.45 in
62.26 mm
6.23 cm
Height5.25 in
133.37 mm
13.34 cm
4.36 in
110.69 mm
11.07 cm
Aspect ratio2.111:11.778:1
16:9
Resolution1080 x 2280 pixels1080 x 1920 pixels
Pixel density434 ppi
170 ppcm
441 ppi
173 ppcm
Color depth24 bit
16777216 colors
24 bit
16777216 colors
Display area84.58 %67 %
Other featuresCapacitive
Multi-touch
Scratch resistant
Capacitive
Multi-touch
Scratch resistant
Ambient EQ
Corning Gorilla Glass
Always-on Display
HDR (UHDA certification)
Corning Gorilla Glass 3
2.5D curved glass screen

Sensors

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

SensorsProximity
Light
Accelerometer
Gyroscope
Barometer
Magnetometer
Proximity
Light
Accelerometer
Compass
Gyroscope
Fingerprint
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 model-Sony IMX214 Exmor RS
Sensor type-CMOS
Sensor size-4.69 x 3.52 mm
0.23 in
Sensor format1/2.55"-
Pixel size1.4 µm
0.001400 mm
1.127 µm
0.001127 mm
Crop factor-7.38
Aperturef/1.7f/2
Focal length and 35 mm equivalent28 mm *(35 mm / full frame)-
Field of view77 °-
Flash typeDual LEDLED
Image resolution4032 x 3024 pixels
12.19 MP
4160 x 3120 pixels
12.98 MP
Video resolution3840 x 2160 pixels
8.29 MP
1920 x 1080 pixels
2.07 MP
Video FPS60 fps30 fps
FeaturesAutofocus
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
Macro mode
RAW
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 type-CMOS
Sensor size-5.44 x 3.7 mm
0.26 in
Pixel size1.22 µm
0.001220 mm
2.024 µm
0.002024 mm
Crop factor-6.58
Aperturef/2f/2
Focal length and 35 mm equivalent22 mm *(35 mm / full frame)-
Field of view84 °-
Image resolution3264 x 2448 pixels
7.99 MP
2688 x 1520 pixels
4.09 MP
Video resolution1920 x 1080 pixels
2.07 MP
1920 x 1080 pixels
2.07 MP
Video FPS30 fps30 fps
FeaturesHDR
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
Active noise cancellation
HAC (M3/T3) - Hearing Aid Compatibility
Dolby Audio
NXP TFA9895
RT5506
192 kHz / 24-bit
HAC (M4/T3) - Hearing Aid Compatibility

Radio

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

RadioNoYes

Tracking/Positioning

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

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

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
Wi-Fi Display
802.11a
802.11b
802.11g
802.11n
802.11n 5GHz
802.11ac
Dual band
Wi-Fi Hotspot
2x2 MiMO-

Bluetooth

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

Version5.04.1
FeaturesA2DP
LE
A2DP
EDR
LE

USB

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

Connector typeUSB Type-CMicro USB
Version2.02.0
FeaturesCharging
Mass storage
On-The-Go
Charging
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 jackYesYes

Connectivity

Information about other important connectivity technologies supported by the devices.

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

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

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
aptX HD
eAAC+
FLAC
M4A
MIDI
MP3
OGG
WMA
WAV
LDAC
AAC
AAC+
AMR
eAAC+
FLAC
M4A
MIDI
MP3
OGG
WMA
WAV

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
Flash Video
H.263
H.264
H.265
MKV
QuickTime
MP4
VC-1
VP8
WebM
WMV
Xvid
3GPP
3GPP2
AVI
MKV
MP4
Xvid

Battery

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

Capacity3140 mAh2150 mAh
TypeLi-PolymerLi-Ion
2G talk time-15 h
900 min
0.6 days
2G stand-by time-400 h
24000 min
16.7 days
3G talk time-16 h
960 min
0.7 days
3G stand-by time-430 h
25800 min
17.9 days
Charger output power9 V / 2 A-
Quick charge technologyUSB Power Delivery 2.0Qualcomm Quick Charge 2.0
FeaturesFast 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)1.37 W/kg0.415 W/kg
Body SAR (EU)1.39 W/kg-
Head SAR (USA)1.18 W/kg1.17 W/kg
Body SAR (USA)1.19 W/kg1.01 W/kg
 Google Pixel 4aHTC One A9