Comparison between:
- HTC One A9
- Xiaomi Redmi 7A

Brand and model

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

HTC One A9Xiaomi Redmi 7A
HTC One A9
Prices
Xiaomi Redmi 7A
Prices

Design

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

Width70.8 mm
7.08 cm
0.232 ft
2.787 in
70.41 mm
7.041 cm
0.231 ft
2.772 in
Height145.75 mm
14.575 cm
0.478 ft
5.738 in
146.3 mm
14.63 cm
0.48 ft
5.76 in
Thickness7.26 mm
0.726 cm
0.024 ft
0.286 in
9.55 mm
0.955 cm
0.031 ft
0.376 in
Weight143 g
0.32 lbs
5.04 oz
165 g
0.36 lbs
5.82 oz
Volume74.92 cm³
4.55 in³
98.37 cm³
5.97 in³
ColorsGray
Silver
Gold
Red
Black
Blue
Body materialsMetalPolycarbonate

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 cards12
Features-Dual SIM stand-by (Both cards are active. When one is busy, the other is not active)

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
GSM 900 MHz
GSM 1800 MHz
GSM 1900 MHz
CDMACDMA 800 MHz
CDMA 1900 MHz
CDMA 800 MHz
W-CDMA-W-CDMA 850 MHz
W-CDMA 900 MHz
W-CDMA 2100 MHz
TD-SCDMA-TD-SCDMA 1900 MHz
TD-SCDMA 2000 MHz
UMTSUMTS 850 MHz
UMTS 900 MHz
UMTS 1700/2100 MHz
UMTS 1900 MHz
UMTS 2100 MHz
-
LTELTE 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)
LTE-TDD 1900 MHz (B39)
LTE-TDD 2000 MHz (B34)
LTE-TDD 2300 MHz (B40)
LTE-TDD 2500 MHz (B41)
LTE-TDD 2600 MHz (B38)
LTE 850 MHz
LTE 900 MHz
LTE 1800 MHz
LTE 2100 MHz

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
LTE Cat 7
EV-DO Rev. A
UMTS
EDGE
GPRS
HSPA+
LTE
EV-DO Rev. A
TD-SCDMA
TD-HSDPA

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 Marshmallow
Android 7.0 Nougat
MIUI V10.2 (Android 9.0 Pie)
MIUI V11.0.1 (Android 10)
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 617 MSM8952Qualcomm Snapdragon 439
Process technology28 nm12 nm
CPU4x 1.5 GHz ARM Cortex-A53, 4x 1.2 GHz ARM Cortex-A534x 1.95 GHz ARM Cortex-A53, 4x 1.45 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 frequency1500 MHz1950 MHz
GPUQualcomm Adreno 405Qualcomm Adreno 505
RAM capacity2 GB
3 GB
2 GB
3 GB
RAM typeLPDDR3LPDDR3
RAM channelsSingle channelSingle channel
RAM frequency933 MHz-

Storage

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

Storage16 GB
32 GB
16 GB
32 GB

Memory cards

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

TypesmicroSD
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/technologyAMOLEDIPS
Diagonal size5 in
127 mm
12.7 cm
5.45 in
138.43 mm
13.84 cm
Width2.45 in
62.26 mm
6.23 cm
2.44 in
61.91 mm
6.19 cm
Height4.36 in
110.69 mm
11.07 cm
4.87 in
123.82 mm
12.38 cm
Aspect ratio1.778:1
16:9
2:1
2:1 (18:9)
Resolution1080 x 1920 pixels720 x 1440 pixels
Pixel density441 ppi
173 ppcm
295 ppi
115 ppcm
Color depth24 bit
16777216 colors
24 bit
16777216 colors
Display area67 %74.65 %
Other featuresCapacitive
Multi-touch
Scratch resistant
Capacitive
Multi-touch
Corning Gorilla Glass 3
2.5D curved glass screen
2.5D curved glass screen
1000:1 contrast ratio
70.8% NTSC

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
Compass

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 IMX214 Exmor RSSony IMX486 Exmor RS
Sensor typeCMOSCMOS
Sensor size4.69 x 3.52 mm
0.23 in
-
Sensor format-1/2.9"
Pixel size1.127 µm
0.001127 mm
1.25 µm
0.001250 mm
Crop factor7.38-
Aperturef/2f/2.2
Flash typeLEDDual LED
Image resolution4160 x 3120 pixels
12.98 MP
4160 x 3120 pixels
12.98 MP
Video resolution1920 x 1080 pixels
2.07 MP
1920 x 1080 pixels
2.07 MP
Video FPS30 fps30 fps
FeaturesAutofocus
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
Autofocus
Continuous shooting
Digital zoom
Optical 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)

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 typeCMOS-
Sensor size5.44 x 3.7 mm
0.26 in
-
Pixel size2.024 µm
0.002024 mm
-
Crop factor6.58-
Aperturef/2-
Image resolution2688 x 1520 pixels
4.09 MP
2592 x 1944 pixels
5.04 MP
Video resolution1920 x 1080 pixels
2.07 MP
1920 x 1080 pixels
2.07 MP
Video FPS30 fps30 fps
Features-Face unlock

Audio

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

SpeakerLoudspeaker
Earpiece
Stereo speakers
Loudspeaker
Earpiece
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.

RadioYesYes

Tracking/Positioning

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

Tracking/PositioningGPS
A-GPS
GLONASS
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-Fi802.11a
802.11b
802.11g
802.11n
802.11n 5GHz
802.11ac
Dual band
Wi-Fi Hotspot
802.11b
802.11g
802.11n
Wi-Fi Hotspot
Wi-Fi Direct
Wi-Fi Display

Bluetooth

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

Version4.14.2
FeaturesA2DP
EDR
LE
A2DP
LE

USB

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

Connector typeMicro USBMicro USB
Version2.02.0
FeaturesCharging
Mass storage
Charging
Host
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 jackYesYes

Connectivity

Information about other important connectivity technologies supported by the devices.

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

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
eAAC+
FLAC
M4A
MIDI
MP3
OGG
WMA
WAV
AAC
AAC+
AMR
AMR-WB
eAAC+
FLAC
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
3GPP2
AVI
MKV
MP4
Xvid
3GPP
AVI
DivX
H.263
H.264
H.265
MKV
MP4
VC-1
Xvid

Battery

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

Capacity2150 mAh4000 mAh
TypeLi-IonLi-Polymer
2G talk time15 h
900 min
0.6 days
25 h
1500 min
1 days
2G stand-by time400 h
24000 min
16.7 days
-
3G talk time16 h
960 min
0.7 days
25 h
1500 min
1 days
3G stand-by time430 h
25800 min
17.9 days
-
Charger output power-5 V / 2 A
Quick charge technologyQualcomm Quick Charge 2.0-
FeaturesFast charging
Non-removable
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)0.415 W/kg0.557 W/kg
Body SAR (EU)-1.166 W/kg
Head SAR (USA)1.17 W/kg1 W/kg
Body SAR (USA)1.01 W/kg1.12 W/kg

Additional features

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

Additional features-P2i nano-coating
 HTC One A9Xiaomi Redmi 7A