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LG K40S (X430EMW) vs Xiaomi Mi 8 Youth (128GB/6GB)

Side by side comparison between LG K40S vs Xiaomi Mi 8 Youth phones, differences, pros, cons and full specifications. What's the better?

,
6.1"
IPS

720x1520

13
MP

13mp

2GB
RAM

Octa-core

3500
mAh

(Non removable)

vs
17Points Xiaomi Mi 8 Youth (128GB/6GB) Compare LG K40S X
6.26"
IPS

1080x2280

12
MP

24mp

6GB
RAM

Octa-core

3350
mAh

(Non removable)

What's the better phone? Xiaomi Mi 8 Youth (128GB/6GB)

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!

K40S (X430EMW)} 7 Advantages LG K40S (X430EMW) vs Mi 8 Youth (128GB/6GB)} 17 Advantages Xiaomi Mi 8 Youth (128GB/6GB)
+Until 1TB microSD, microSDXCAdvantage
More external storage for files using memory cards
vsNot supported
+(dual camera) 13MP + 5MP5%
Higher resolution main camera
vs(dual camera) 12MP + 5MP
+Face unlock 2DAdvantage
Sensors help you use the device
vsNot supported
+3500 mAh4%
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
vs3350 mAh
+3.5mm jackAdvantage
Headsets with 3.5mm Jack size are more common and easy to find in stores
vsType-C jack with 3.5mm jack adapter
+NFCAdvantage
NFC allows you to make payments by approach quickly and securely
vsNot supported
+MIL-STD-810G military certifiedAdvantage
Protection against water allows you talk to your friends in the rain, for example
vsNot supported
2GHz 64bit Octa-core (12nm)vs+2.2GHz 64bit Octa-core9%
More powerful processor, you can open your applications faster
2GB LPDDR3vs+6GB LPDDR4X2 times
More RAM memory. Typically more responsive and better for multitasking.
32GB (18GB available)vs+128GB (110GB available)5 times
More internal storage for applications and files
186 grams (6.51 ounces)vs+169 grams (5.92 ounces)10%
Lighter
8.6 millimeters (0.34 inches)vs+7.5 millimeters (0.3 inches)15%
Thinner
Plastic body, glass frontvs+Aluminum frame, glass front/backAdvantage
More resistant material
720x1520 pixelsvs+1080x2280 pixels125%
Higher resolution screen
276 PPIvs+403 PPI46%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
6.1"vs+6.26"3%
Larger screen
f/2.0 (aperture)vs+f/1.9 (aperture)5%
Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.
(front) 13MPvs+(front) 24MP86%
Higher resolution secondary camera to take pictures and selfies
Full HD (1920x1080)vs+4K UHD (3840x2160)3 times
More image quality for recording videos with the primary camera
Not supportedvs+CompassAdvantage
Sensors help you use the device
Not supportedvs+GyroscopeAdvantage
Sensors help you use the device
6Wvs+10W67%
More power (watts) to charge the battery faster. Sometimes, the charger that comes with the device doesn't have the same power supported by the device. Check before you buy it.
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
MicroUSB 2.0, USB OTG On-The-Govs+Type-CAdvantage
Reversible connector, you can stick in a USB-C cable any which way; either side is up.

28 Common items in both devices
eMMC 5.1
TFT IPS LCD
16 million
LED flash
Only digital zoom
PDAF: phase detection autofocus
EIS: Digital stabilization
+21 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

LG K40S (X430EMW)Xiaomi Mi 8 Youth (128GB/6GB)
ModelK40S (X430EMW)Xiaomi Mi 8 Youth (128GB/6GB)
Other model namesLG K40s LM-X430EMW, LMX430EMW (2GB RAM)小米8 青春版 M1808D2TT, Xiaomi Mi8, Xiaomi Mi 8X, Xiaomi Platina
Country or region available(Europe)
(Europe)
China
China
BrandLGXiaomi
Release date9/1/20199/1/2018
Depth8.6 millimeters (0.34 inches)7.5 millimeters (0.3 inches)
Size (width x height)73.9 x 156.3 millimeters (2.91 x 6.15 in)75.8 x 156.4 millimeters (2.98 x 6.16 in)
Weight186 grams (6.51 ounces)169 grams (5.92 ounces)
Build, materialsPlastic body, glass frontAluminum frame, glass front/back
Protection against water and othersMIL-STD-810G military certified: salt, dust, humidity, rain, vibration, solar radiation, transport and thermal shock resistant.Not supported

📲 Display

LG K40S (X430EMW)Xiaomi Mi 8 Youth (128GB/6GB)
Display typeTFT IPS LCDTFT IPS LCD
Screen size6.1" inches6.26" inches
Screen-to-body ratio~80.4% (screen-to-body ratio)~82.5% (screen-to-body ratio)
Display resolution720x1520 pixels (19:9)1080x2280 pixels
TouchscreenCapacitive MultitouchCapacitive Multitouch
Pixel density (dot pitch)276 PPI403 PPI
Colors16 million16 million
Scratch-resistant glassNot supportedNot supported
Refresh rate60Hzfeature not registered
Display featuresNot supportedfeature not registered

🤖 Operating System

LG K40S (X430EMW)Xiaomi Mi 8 Youth (128GB/6GB)
System versionAndroid 9.0 PieAndroid 8.1 Oreo
Firmware updatefeature not registeredAndroid 9.0 Pie
User Interfacefeature not registeredfeature not registered

⚙️ Processor

LG K40S (X430EMW)Xiaomi Mi 8 Youth (128GB/6GB)
Chipset64bit: MediaTek Helio P22 (MT6762) (12nm)64bit: Qualcomm Snapdragon 660 SDM660 (14nm)
CPUOcta-core, 2 processors:
4x 2GHz ARM Cortex-A53 (Quad-core)
4x 1.5GHz ARM Cortex-A53 (Quad-core)
Octa-core, 2 processors:
4x 2.2GHz Kryo 260 Gold (Quad-core)
4x 1.8GHz Kryo 260 Silver (Quad-core)
GPU graphical controllerPowerVR GE8320 (650MHz)Qualcomm Adreno 512 650Mhz
Performance (benchmark)feature not registeredfeature not registered

💽 Memory and storage

LG K40S (X430EMW)Xiaomi Mi 8 Youth (128GB/6GB)
RAM memory2GB LPDDR36GB LPDDR4X
Internal storage32GB (18GB available)
eMMC 5.1
128GB (110GB available)
eMMC 5.1
External storageUntil 1TB microSD, microSDXC
(dedicated slot)
Not supported

📶 Mobile networks

LG K40S (X430EMW)Xiaomi Mi 8 Youth (128GB/6GB)
Dual-SIMDual-SIM Standby - Call active on one sim card
(dedicated slot)
Dual-SIM Standby - Call active on one sim card
SIM card2 slots (Dual-SIM)
nano-SIM (4FF)
2 slots (Dual-SIM)
nano-SIM (4FF)
Maximum Download / Upload300/50 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 networkGSM 850/900/1800/1900CDMA 800, GSM 850/900/1800/1900
Primary 3G networkUMTS 850/900/1900/2100CDMA2000 1xEV-DO
TD-SCDMA 1900/2000
UMTS 850/900/1900/2100
Primary 4G networkLTE Cat6 (Bands 1, 3, 7, 8, 20, 28)
TD-LTE (Bands 38)
LTE Cat6 (Bands 1,3,5,7,8)
TD-LTE (Bands 34,38,39,40,41)
VoLTE
Primary 5G networkNot supportedNot supported
Primary data networkGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-AGPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, TD-SCDMA, UMTS, TD-HSDPA, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A
Secondary 2G networkGSM 850/900/1800/1900GSM 850/900/1800/1900
Secondary 3G networkNot supportedNot supported
Secondary 4G networkNot supportedNot supported
Secondary data networkGPRS, EDGEGPRS, EDGE

📷 Camera

LG K40S (X430EMW)Xiaomi Mi 8 Youth (128GB/6GB)
Back camera (main camera)(dual camera)
13 megapixels
5MP ultrawide f/2.21.12μm117°
(dual camera)
12 megapixels
5MP depth f/2.01.12µm
Main camera resolution4128x3096 pixels4000x3000 pixels
Video recording (primary)Full HD (1920x1080) 30 fps4K UHD (3840x2160) 30 fps
FlashLED flashLED flash
Focal aperturef/2.0 (aperture)f/1.9 (aperture)
Focal length26mm (lens)feature not registered
Sensor sizefeature not registered1/2.55" inches
Pixel size1.12µm pixel1.4µm 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

LG K40S (X430EMW)Xiaomi Mi 8 Youth (128GB/6GB)
Front camera (secondary)13 megapixels24 megapixels
Front camera resolution4128x3096 pixels5632x4224 pixels
Video recording (secondary)Full HD (1920x1080)Full HD (1920x1080)
Front flashNot supportedNot supported
Focal aperturef/2.0 (aperture)feature not registered
Focal lengthfeature not registeredfeature not registered
Sensor sizefeature not registeredfeature not registered
Pixel size1.12µm pixel1.8µm pixel

🔉 Sound and multimedia

LG K40S (X430EMW)Xiaomi Mi 8 Youth (128GB/6GB)
LoudspeakerSupportedSupported
Active noise cancellation2 microphones or more2 microphones or more
RadioNot supportedNot supported
TVNot supportedNot supported
Video formatsMP4, H.264, H.263, XviD, MKVMP4, H.265, H.264, H.263, DivX, XviD, WMV
Audio formatsMP3, WAV, WMA, eAAC+, FLACMP3, WAV, WMA, eAAC+, FLAC

🔌 Connectivity

LG K40S (X430EMW)Xiaomi Mi 8 Youth (128GB/6GB)
USBMicroUSB 2.0, USB OTG On-The-GoUSB 2.0 Type-C, USB OTG On-The-Go
Audio output3.5mm jackType-C jack with 3.5mm jack adapter
TV outputNot supportedNot supported
Bluetooth5.0 + A2DP/LE5.0 + 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 supportedNot supported
GPSA-GPS, GeoTagging, GLONASSA-GPS, GeoTagging, GLONASS, BeiDou
NFCSupportedNot supported
Infrared portNot supportedNot supported

🧭 Sensors

LG K40S (X430EMW)Xiaomi Mi 8 Youth (128GB/6GB)
SensorsAccelerometer
Ambient light sensor
Face unlock 2D
Fingerprint sensor (rear-mounted)
Proximity sensor
Accelerometer
Ambient light sensor
Compass
Fingerprint sensor (rear-mounted)
Gyroscope
Proximity sensor
Vibrating alertSupportedSupported

🔋 Battery

LG K40S (X430EMW)Xiaomi Mi 8 Youth (128GB/6GB)
Battery typeLiPo: li-ion polymer (Non removable)LiPo: li-ion polymer (Non removable)
Battery capacity3500 mAh3350 mAh
Charger, watts6W (5V/1.2A) Wired charging10W (5V/2A) Wired charging
Inductive / wireless chargingfeature not registeredfeature not registered
Talk time autonomy16 hoursfeature not registered
Standby432 hours (18 days)feature not registered

➕ Other features

LG K40S (X430EMW)Xiaomi Mi 8 Youth (128GB/6GB)
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: Aurora Black, Moroccan Blue
• DTS:X 3D sound surround
• Eco Playback
• Colors: Twilight gold, Dream blue, Deep space gray
• MIUI
• 19:9 screen
• Quick Charge 3.0

☢️ Radiation rate

LG K40S (X430EMW)Xiaomi Mi 8 Youth (128GB/6GB)
SAR 1.6W/kg (USA, Mexico, etc.)feature not registeredfeature not registered
SAR 2W/kg (Europe, UK, etc.)feature not registeredfeature not registered
X

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