Comparison between:
- LG G2
- Xiaomi Redmi 7A
- Xiaomi Redmi Note 8 Pro

Brand and model

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

LG G2Xiaomi Redmi 7AXiaomi Redmi Note 8 Pro
LG G2
Prices
Xiaomi Redmi 7A
Prices
Xiaomi Redmi Note 8 Pro
Prices
Model aliasOptimus G2
LG-D802
D802
LG-D802TA
D802TA
LG-D803
D803
LG-VS980
VS980
LG-LS980
LGLS980
LS980
-Redmi Note8 Pro
Red Rice Note 8 Pro
Red Rice Note8 Pro
G7
2015105
M1906G7G
M1906G7I
M1906G7E
M1906G7T

Design

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

Width70.9 mm
7.09 cm
0.233 ft
2.791 in
70.41 mm
7.041 cm
0.231 ft
2.772 in
76.4 mm
7.64 cm
0.251 ft
3.008 in
Height138.5 mm
13.85 cm
0.454 ft
5.453 in
146.3 mm
14.63 cm
0.48 ft
5.76 in
161.35 mm
16.135 cm
0.529 ft
6.352 in
Thickness8.9 mm
0.89 cm
0.029 ft
0.35 in
9.55 mm
0.955 cm
0.031 ft
0.376 in
8.79 mm
0.879 cm
0.029 ft
0.346 in
Weight143 g
0.32 lbs
5.04 oz
165 g
0.36 lbs
5.82 oz
199 g
0.44 lbs
7.05 oz
Volume87.39 cm³
5.31 in³
98.37 cm³
5.97 in³
108.36 cm³
6.58 in³
ColorsBlack
White
Red
Gold
Black
Blue
Mineral Grey
Pearl White
Forest Green
Body materialsPolycarbonatePolycarbonateGlass
Plastic
Certification--IP52

SIM card

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

SIM card typeMicro-SIMNano-SIMNano-SIM
Nano-SIM / microSD
Number of SIM cards122
Features-Dual SIM stand-by (Both cards are active. When one is busy, the other is not active)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
GSM 850 MHz (B5)
GSM 900 MHz (B8)
GSM 1800 MHz (B3)
GSM 1900 MHz (B2)
CDMACDMA 800 MHz
CDMA 1900 MHz
CDMA 800 MHzCDMA 800 MHz (BC0)
CDMA20001xEV-DO Rev. A--
W-CDMA-W-CDMA 850 MHz
W-CDMA 900 MHz
W-CDMA 2100 MHz
W-CDMA 850 MHz (B5)
W-CDMA 900 MHz (B8)
W-CDMA 2100 MHz (B1)
TD-SCDMA-TD-SCDMA 1900 MHz
TD-SCDMA 2000 MHz
TD-SCDMA 1900 MHz
TD-SCDMA 2000 MHz
UMTSUMTS 850 MHz
UMTS 900 MHz
UMTS 1900 MHz
UMTS 2100 MHz
--
LTELTE 850 MHz
LTE 900 MHz
LTE 1800 MHz
LTE 2100 MHz
LTE 2600 MHz
LTE-TDD 2300 MHz (B40)
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
LTE-FDD 850 MHz (B5)
LTE-FDD 900 MHz (B8)
LTE-FDD 1800 MHz (B3)
LTE-FDD 2100 MHz (B1)
LTE-FDD 2600 MHz (B7)
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)

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 Class 12
GPRS Class 12
HSPA+
LTE Cat 4
EV-DO Rev. A
UMTS
EDGE
GPRS
HSPA+
LTE
EV-DO Rev. A
TD-SCDMA
TD-HSDPA
UMTS
EDGE
GPRS
HSPA+
LTE Cat 12
EV-DO Rev. A
TD-SCDMA
TD-HSDPA
--3CA
256-QAM
4x4 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 4.2.2 Jelly Bean
Android 4.4 KitKat
Android 5.0 Lollipop
Android 5.1.1 Lollipop
MIUI V10.2 (Android 9.0 Pie)
MIUI V11.0.1 (Android 10)
MIUI V10 (Android 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 800 MSM8974AAQualcomm Snapdragon 439MediaTek Helio G90T (MT6785T)
Process technology28 nm12 nm12 nm
CPUKrait 4004x 1.95 GHz ARM Cortex-A53, 4x 1.45 GHz ARM Cortex-A532x 2.05 GHz Cortex-A76, 6x 2.0 GHz Cortex-A55
CPU bits32 bit64 bit64 bit
Instruction setARMv7ARMv8ARMv8.2-A
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 cores488
CPU frequency2260 MHz1950 MHz2050 MHz
GPUQualcomm Adreno 330Qualcomm Adreno 505ARM Mali-G76 3EEMC4
GPU cores4-4
GPU frequency450 MHz-800 MHz
RAM capacity2 GB2 GB
3 GB
6 GB
8 GB
RAM typeLPDDR3LPDDR3LPDDR4X
RAM channelsDouble channelSingle channelDouble channel
RAM frequency800 MHz-2133 MHz
--MediaTek HyperEngine
Mi Turbo
Game Turbo 2.0
Liquid cooling system

Storage

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

Storage16 GB
32 GB
16 GB
32 GB
64 GB
128 GB
--UFS 2.1

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/technologyIPSIPSIPS
Diagonal size5.2 in
132.08 mm
13.21 cm
5.45 in
138.43 mm
13.84 cm
6.53 in
165.86 mm
16.59 cm
Width2.55 in
64.75 mm
6.48 cm
2.44 in
61.91 mm
6.19 cm
2.74 in
69.51 mm
6.95 cm
Height4.53 in
115.12 mm
11.51 cm
4.87 in
123.82 mm
12.38 cm
5.93 in
150.6 mm
15.06 cm
Aspect ratio1.778:1
16:9
2:1
2:1 (18:9)
2.167:1
Resolution1080 x 1920 pixels720 x 1440 pixels1080 x 2340 pixels
Pixel density424 ppi
166 ppcm
295 ppi
115 ppcm
395 ppi
155 ppcm
Color depth24 bit
16777216 colors
24 bit
16777216 colors
24 bit
16777216 colors
Display area76.16 %74.65 %85.19 %
Other featuresCapacitive
Multi-touch
Scratch resistant
Capacitive
Multi-touch
Capacitive
Scratch resistant
Corning Gorilla Glass 22.5D curved glass screen
1000:1 contrast ratio
70.8% NTSC
2.5D curved glass screen
Corning Gorilla Glass 5
Oleophobic coating
TÜV Rheinland certification for low blue light emissions
Chip-on-foil (COF) IC packaging technology
1500:1 contrast ratio
500 cd/m² typical brightness
420 cd/m² minimum brightness
84% NTSC
HDR

Sensors

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

SensorsProximity
Light
Accelerometer
Compass
Gyroscope
Proximity
Light
Accelerometer
Compass
Proximity
Light
Accelerometer
Compass
Gyroscope
Fingerprint

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 IMX135 Exmor RSSony IMX486 Exmor RSSamsung S5KGW1
Sensor typeCMOSCMOSISOCELL
Sensor size4.69 x 3.52 mm
0.23 in
--
Sensor format-1/2.9"1/1.72"
Pixel size1.127 µm
0.001127 mm
1.25 µm
0.001250 mm
0.8 µm
0.000800 mm
Crop factor7.38--
ISO100 - 800--
Aperturef/2.4f/2.2f/1.89
Focal length and 35 mm equivalent4 mm
29.51 mm *(35 mm / full frame)
--
Field of view--79 °
Number of lenses--6
Flash typeLEDDual LEDDual LED
Image resolution4160 x 3120 pixels
12.98 MP
4160 x 3120 pixels
12.98 MP
9248 x 6936 pixels
64.14 MP
Video resolution1920 x 1080 pixels
2.07 MP
1920 x 1080 pixels
2.07 MP
3840 x 2160 pixels
8.29 MP
Video FPS60 fps30 fps30 fps
FeaturesAutofocus
Continuous shooting
Digital zoom
Optical image stabilization
Geotagging
Panorama
HDR
Touch focus
Face detection
White balance settings
ISO settings
Exposure compensation
Self-timer
Scene mode
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)
Autofocus
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)
1920x1080 @ 60 fps
Sapphire Crystal Glass
-Pixel size - 1.6 μm (4-in-1 pixel binning)
Sensor type - ISOCELL PLUS
Super Phase Detection
1080p @ 120 fps
720p @ 960 fps
Secondary rear camera - 8 MP (ultra-wide)
Sensor size - 1/4" (#2)
Pixel size - 1.12 μm (#2)
Aperture size - f/2.2 (#2)
Angle of view - 120° (#2)
Focal length (35 mm equivalent) - 13 mm (#2)
Third rear camera - 2MP (depth-sensing)
Sensor size - 1/5" (#3)
Pixel size - 1.75 μm (#3)
Aperture size - f/2.4 (#3)
Fourth rear camera - 2MP (macro)
Sensor size - 1/5" (#4)
Pixel size - 1.75 μm (#4)
Aperture size - f/2.4 (#4)

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--Samsung S5K3T1
Sensor type--ISOCELL
Sensor format--1/3.1"
Pixel size--0.9 µm
0.000900 mm
Aperture--f/2
Image resolution1920 x 1080 pixels
2.07 MP
2592 x 1944 pixels
5.04 MP
5184 x 3880 pixels
20.11 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-Face unlockFace unlock
--Pixel size - 1.8 μm (4-in-1 pixel binning)
HDR

Audio

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

SpeakerLoudspeaker
Earpiece
Loudspeaker
Earpiece
Loudspeaker
Earpiece
192 kHz / 24-bit-Smart PA 10V Boost
1217 super-linear speaker
Active noise cancellation with a dedicated microphone

Radio

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

RadioYesYesYes
RDS
Not available in VS980
--

Tracking/Positioning

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

Tracking/PositioningGPS
A-GPS
GLONASS
GPS
A-GPS
GLONASS
BeiDou
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
Wi-Fi Direct
802.11b
802.11g
802.11n
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
Wi-Fi Display

Bluetooth

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

Version4.04.25.0
FeaturesA2DP
AVRCP
FTP
HFP
HID
LE
OPP
PBAP
A2DP
LE
A2DP
EDR
HID
LE

USB

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

Connector typeMicro USBMicro USBUSB Type-C
Version2.02.02.0
FeaturesCharging
Mass storage
On-The-Go
Charging
Host
Mass storage
On-The-Go
Charging
Mass storage
On-The-Go

HDMI

The High-Definition Multimedia Interface (HDMI) is considered to be the digital alternative of the analog audio/video interface standards.

HDMIMicro USB to HDMI MHL adapter--

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
Infrared
Tethering
DLNA
NFC
Computer sync
OTA sync
Tethering
VoLTE
Computer sync
OTA sync
Infrared
Tethering
NFC
VoLTE
ViLTE
--NXP-SN100T chip for NFC

Browser

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

BrowserHTML
HTML5
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/codecsAC3
eAAC+
FLAC
MP3
WMA
WAV
AAC
AAC+
AMR
AMR-WB
eAAC+
FLAC
MIDI
MP3
OGG
WMA
WAV
AAC
AAC+
AMR
AMR-WB
aptX
aptX HD
eAAC+
FLAC
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/codecsDivX
H.263
H.264
MP4
MPEG-4
WMV
Xvid
3GPP
AVI
DivX
H.263
H.264
H.265
MKV
MP4
VC-1
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.

Capacity3000 mAh4000 mAh4500 mAh
TypeLi-PolymerLi-PolymerLi-Ion
2G talk time16 h 30 min
16.5 h
990 min
0.7 days
25 h
1500 min
1 days
-
2G stand-by time790 h
47400 min
32.9 days
--
3G talk time17 h 30 min
17.5 h
1050 min
0.7 days
25 h
1500 min
1 days
-
3G stand-by time900 h
54000 min
37.5 days
--
Charger output power-5 V / 2 A5 V / 3 A
9 V / 2 A
12 V / 1.5 A
Quick charge technology--MediaTek Pump Express 4.0, Qualcomm Quick Charge 3.0, Quick Charge 4+, USB Power Delivery 3.0
FeaturesNon-removableNon-removableFast charging
Non-removable
SiO+--

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)0.41 W/kg0.557 W/kg0.997 W/kg
Body SAR (EU)0.47 W/kg1.166 W/kg1.446 W/kg
Head SAR (USA)0.5 W/kg1 W/kg1.15 W/kg
Body SAR (USA)0.69 W/kg1.12 W/kg1.18 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-coatingAnti-splash coating
 LG G2Xiaomi Redmi 7AXiaomi Redmi Note 8 Pro