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Xiaomi Redmi 7A (13MP 16GB) vs LG K40 (X420EM)

Side by side comparison between Xiaomi Redmi 7A vs LG K40 phones, differences, pros, cons and full specifications. What's the better?

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Compare LG K40 X Xiaomi Redmi 7A (13MP 16GB) 08Points
5.45"
IPS

720x1440

13
MP

5mp

2GB
RAM

Octa-core

4000
mAh

(Non removable)

vs
5.7"
IPS

720x1440

16
MP

8mp

2GB
RAM

Octa-core

3000
mAh

(Non removable)

What's the better phone? LG K40 (X420EM)

The phonemore's choice is much more technical than personal. Therefore, you shouldn't only consider this. Our goal is to help you, but what's important to us may not be important to you. You decide which one is the best! Comment!

Redmi 7A (13MP 16GB)} 8 Advantages Xiaomi Redmi 7A (13MP 16GB) vs K40 (X420EM)} 17 Advantages LG K40 (X420EM)
+2GHz 64bit Octa-core3%
More powerful processor, you can open your applications faster
vs2GHz 64bit Octa-core (12nm)
+295 PPI5%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
vs282 PPI
+Android 10Advantage
Android 10 is newer and safer
vsAndroid 8.1 Oreo
+CompassAdvantage
Sensors help you use the device
vsNot supported
+Face unlockAdvantage
Sensors help you use the device
vsNot supported
+4000 mAh33%
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
vs3000 mAh
+2 slots (Dual-SIM)
(dedicated slot)Advantage
You can have more mobile carriers/operators on the same device.
vs1 slot (Single-SIM)
(dedicated slot)
+FMAdvantage
The radio lets you listen to your songs and sports in general
vsNot supported
16GB (9GB available)vs+32GB (20GB available)122%
More internal storage for applications and files
Until 256GB microSD, microSDXCvs+Until 1TB microSD, microSDXC3 times
More external storage for files using memory cards
165 grams (5.78 ounces)vs+145 grams (5.08 ounces)14%
Lighter
9.55 millimeters (0.38 inches)vs+8.3 millimeters (0.33 inches)15%
Thinner
5.45"vs+5.7"5%
Larger screen
(back) 13MPvs+(back) 16MP25%
Higher resolution main camera
LED flashvs+LED flash on both camerasAdvantage
The LED flash on both cameras helps in dark places or in low light
1/3.1" inchesvs+1/3" inches3%
The larger sensor camera lets you take photos with better depth.
f/2.2 (aperture)vs+f/2.0 (aperture)10%
Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.
(front) 5MPvs+(front) 8MP63%
Higher resolution secondary camera to take pictures and selfies
(4G LTE) 150 Mbpsvs+(4G LTE-A) 300 Mbps100%
Faster for surfing the internet and download files
Not supportedvs+Fingerprint sensor (rear-mounted)Advantage
Sensors help you use the device
802.11 b/g/n [wifi4]vs+802.11 a/b/g/n/ac [wifi5]Advantage
WiFi 802.11 a/b/g/n/ac [wifi5] is newer and faster
Not supportedvs+DLNAAdvantage
With DLNA technology you can access and play media files on TV, tablet or DLNA compatible device.
4.2 + A2DPvs+5.0 + A2DP/LEAdvantage
Bluetooth 5.0 + A2DP/LE is newer and faster
Not supportedvs+NFCAdvantage
NFC allows you to make payments by approach quickly and securely
Water repellent nano-coating (don't immerse)vs+MIL-STD-810G military certifiedAdvantage
Protection against water allows you talk to your friends in the rain, for example

23 Common items in both devices
2GB LPDDR3
eMMC 5.1
Plastic body, glass front
TFT IPS LCD
16 million
720x1440 pixels
Only digital zoom
+16 specs and more in the table below

Check the comparison table below for more items that are not evaluated in comparison score above.

Highlight differences Clear highlight

📱 Model features

Redmi 7A (13MP 16GB)LG K40 (X420EM)
ModelRedmi 7A (13MP 16GB)K40 (X420EM)
Other model namesXiaomi Redmi 7A M1903C3EC, M1903C3EE, M1903C3ET, Xiaomi PineLG K40 LMX420EM NFC Single-sim, LM-X420EM, LG-LMX420EM
Country or region availableChina
China
(Europe)
(Europe)
BrandXiaomiLG
Release date6/1/20193/31/2019
Depth9.55 millimeters (0.38 inches)8.3 millimeters (0.33 inches)
Size (width x height)70.41 x 146.3 millimeters (2.77 x 5.76 in)71.9 x 153 millimeters (2.83 x 6.02 in)
Weight165 grams (5.78 ounces)145 grams (5.08 ounces)
Build, materialsPlastic body, glass frontPlastic body, glass front
Protection against water and othersWater repellent nano-coating (don't immerse)MIL-STD-810G military certified: salt, dust, humidity, rain, vibration, solar radiation, transport and thermal shock resistant.

📲 Display

Redmi 7A (13MP 16GB)LG K40 (X420EM)
Display typeTFT IPS LCDTFT IPS LCD
Screen size5.45" inches5.7" inches
Screen-to-body ratio~74.4% (screen-to-body ratio)~76.2% (screen-to-body ratio)
Display resolution720x1440 pixels (18:9)720x1440 pixels
TouchscreenCapacitive MultitouchCapacitive Multitouch
Pixel density (dot pitch)295 PPI282 PPI
Colors16 million16 million
Scratch-resistant glassNot supportedNot supported
Refresh rate60Hzfeature not registered
Display featuresNot supportedfeature not registered

🤖 Operating System

Redmi 7A (13MP 16GB)LG K40 (X420EM)
System versionAndroid 9.0 PieAndroid 8.1 Oreo
Firmware updateAndroid 10feature not registered
User Interfacefeature not registeredfeature not registered

⚙️ Processor

Redmi 7A (13MP 16GB)LG K40 (X420EM)
Chipset64bit: Qualcomm Snapdragon 439 SDM439 (12nm)64bit: MediaTek Helio P22 (MT6762) (12nm)
CPUOcta-core, 2 processors:
2x 2GHz ARM Cortex-A53 (Dual-core)
6x 1.45GHz ARM Cortex-A53 (Hexa-core)
Octa-core, 2 processors:
4x 2GHz ARM Cortex-A53 (Quad-core)
4x 1.5GHz ARM Cortex-A53 (Quad-core)
GPU graphical controllerQualcomm Adreno 505 650MhzPowerVR GE8320 (650MHz)
Performance (benchmark)feature not registeredfeature not registered

💽 Memory and storage

Redmi 7A (13MP 16GB)LG K40 (X420EM)
RAM memory2GB LPDDR32GB LPDDR3
Internal storage16GB (9GB available)
eMMC 5.1
32GB (20GB available)
eMMC 5.1
External storageUntil 256GB microSD, microSDXC
(dedicated slot)
Until 1TB microSD, microSDXC
(dedicated slot)

📶 Mobile networks

Redmi 7A (13MP 16GB)LG K40 (X420EM)
Dual-SIMDual-SIM Standby - Call active on one sim card
(dedicated slot)
Not supported
SIM card2 slots (Dual-SIM)
nano-SIM (4FF)
1 slot (Single-SIM)
nano-SIM (4FF)
Maximum Download / Upload150/50 Mbps300/50 Mbps
Network technology2G, 3G, 4G2G, 3G, 4G
Frequency, bands Expand band details Collapse details
GSM MHz bandQuad-Band 850/900/1800/1900Quad-Band 850/900/1800/1900
Primary 2G networkCDMA 800, GSM 850/900/1800/1900GSM 850/900/1800/1900
Primary 3G networkCDMA2000 1xEV-DO
TD-SCDMA 1900/2000
UMTS 850/900/2100
UMTS 850/900/1900/2100
Primary 4G networkLTE Cat4 (1, 3, 5, 8)
TD-LTE (34, 38, 39, 40, 41)
VoLTE
LTE Cat6 (Bands 1, 3, 5, 7, 8, 20)
TD-LTE (Bands 38)
Primary 5G networkNot supportedNot supported
Primary data networkGPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, TD-SCDMA, UMTS, TD-HSDPA, HSDPA, HSUPA, HSPA+, TD-LTE, LTEGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A
Secondary 2G networkGSM 850/900/1800/1900Not supported
Secondary 3G networkUMTS 850/900/2100Not supported
Secondary 4G networkNot supportedNot supported
Secondary data networkGPRS, EDGE, UMTS, HSUPA, HSPA+Not supported

📷 Camera

Redmi 7A (13MP 16GB)LG K40 (X420EM)
Back camera (main camera)13 megapixels16 megapixels
Main camera resolution4128x3096 pixels4608x3456 pixels
Video recording (primary)Full HD (1920x1080) 30 fpsFull HD (1920x1080) 30 fps
FlashLED flashLED flash on both cameras
Focal aperturef/2.2 (aperture)f/2.0 (aperture)
Focal lengthfeature not registeredfeature not registered
Sensor size1/3.1" inches1/3" inches
Pixel size1.12µm pixel1µm pixel
AutofocusPDAF: phase detection autofocusPDAF: phase detection autofocus
Touch focusSupportedSupported
Image stabilizationEIS: Digital stabilizationEIS: Digital stabilization
ZoomOnly digital zoomOnly digital zoom
Face/smile detectionFace detection, Smile detectionFace detection, Smile detection
BSI sensorNot supportedNot supported
HDRHDR photo on both camerasHDR photo on both cameras
Camera extrasfeature not registeredfeature not registered

📸 Front camera

Redmi 7A (13MP 16GB)LG K40 (X420EM)
Front camera (secondary)5 megapixels8 megapixels
Front camera resolution2560x1920 pixels3264x2448 pixels
Video recording (secondary)Full HD (1920x1080)Full HD (1920x1080)
Front flashNot supportedLED
Focal aperturef/2.2 (aperture)f/2.0 (aperture)
Focal lengthfeature not registeredfeature not registered
Sensor size1/5" inchesfeature not registered
Pixel size1.12µm pixelfeature not registered

🔉 Sound and multimedia

Redmi 7A (13MP 16GB)LG K40 (X420EM)
LoudspeakerSupportedSupported
Active noise cancellation2 microphones or more2 microphones or more
RadioFMNot supported
TVNot supportedNot supported
Video formatsMP4, H.264, H.263, XviD, MKVMP4, H.264, H.263, XviD, MKV
Audio formatsMP3, WAV, WMA, eAAC+, FLACMP3, WAV, WMA, eAAC+, FLAC

🔌 Connectivity

Redmi 7A (13MP 16GB)LG K40 (X420EM)
USBMicroUSB 2.0, USB OTG On-The-GoMicroUSB 2.0, USB OTG On-The-Go
Audio output3.5mm jack3.5mm jack
TV outputNot supportedNot supported
Bluetooth4.2 + A2DP5.0 + A2DP/LE
WiFi802.11 b/g/n [wifi4] (2.4GHz)
WiFi Direct, hotspot
802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO
WiFi Direct, hotspot
DLNANot supportedSupported
GPSA-GPS, GeoTagging, GLONASS, BeiDouA-GPS, GeoTagging
NFCNot supportedSupported
Infrared portNot supportedNot supported

🧭 Sensors

Redmi 7A (13MP 16GB)LG K40 (X420EM)
SensorsAccelerometer
Ambient light sensor
Compass
Face unlock
Proximity sensor
Accelerometer
Ambient light sensor
Fingerprint sensor (rear-mounted)
Proximity sensor
Vibrating alertSupportedSupported

🔋 Battery

Redmi 7A (13MP 16GB)LG K40 (X420EM)
Battery typeLiPo: li-ion polymer (Non removable)Li-Ion: lithium-ion (Non removable)
Battery capacity4000 mAh3000 mAh
Charger, watts10W (5V/2A) Wired chargingWired charging
Inductive / wireless chargingNot supportedfeature not registered
Talk time autonomyfeature not registered8 hours
Standby456 hours (19 days)100 hours (4.2 days)

➕ Other features

Redmi 7A (13MP 16GB)LG K40 (X420EM)
Call controlVoice dialing, Voice recorderVoice dialing, Voice recorder
MessagingSMS (T9), MMS, E-mail, Push mailSMS (T9), MMS, E-mail, Push mail
Hands-free callingSupportedSupported
Video callingSupportedSupported
RingtonesPolyphonic and customizedPolyphonic and customized
Web browserHTML, XHTML, HTML5HTML, XHTML, HTML5
AntennaInternal antennaInternal antenna
Qwerty physical keyboardNot supportedNot supported
Miscellaneous• Colors: Black, Blue, Gold
• MIUI 12
• Sony IMX486 back camera sensor
• WiFi Display
• Colors: Black, Moroccan Blue, Platinum Gray
• 18:9 ratio FullVision display
• LED notification
• DTS-X Surround sound

☢️ Radiation rate

Redmi 7A (13MP 16GB)LG K40 (X420EM)
SAR 1.6W/kg (USA, Mexico, etc.)1W/kg (head), 1.12W/kg (body)feature not registered
SAR 2W/kg (Europe, UK, etc.)0.56W/kg (head), 1.17W/kg (body)feature not registered
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