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LG X400 (K121K) vs LG X400 (K121L)

Side by side comparison between LG X400 (K121K) vs LG X400 (K121L) phones, differences, pros, cons and full specifications. What's the better?

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Compare LG X400 X LG X400 (K121K) 00Point
5.3"
IPS

720x1280

13
MP

5mp

2GB
RAM

Octa-core

2800
mAh

(Removable)

vs
00Point LG X400 (K121L) Compare LG X400 X
5.3"
IPS

720x1280

13
MP

5mp

2GB
RAM

Octa-core

2800
mAh

(Removable)

What's the better phone?

The comparison did not identify relevant items because the devices are similar. Check the table below to identify other different features (network frequencies, region and others).


48 Common items in both devices
1.5GHz 64bit Octa-core
2GB LPDDR3
32GB (22GB available)
Until 256GB microSD, microSDXC
142 grams (4.97 ounces)
8 millimeters (0.31 inches)
Plastic body, glass front
+41 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 X400 (K121K)LG X400 (K121L)
ModelX400 (K121K)X400 (K121L)
Other model namesKT LG X400, LGM-K121K, LGMK121K (Korea Telecom)LG U+ X400, LGM-K121L, LGMK121L (LG Uplus)
Country or region availableSouth Korea
South Korea
South Korea
South Korea
BrandLGLG
Release date2/1/20172/1/2017
Depth8 millimeters (0.31 inches)8 millimeters (0.31 inches)
Size (width x height)75.29 x 148.7 millimeters (2.96 x 5.85 in)75.29 x 148.7 millimeters (2.96 x 5.85 in)
Weight142 grams (4.97 ounces)142 grams (4.97 ounces)
Build, materialsPlastic body, glass frontPlastic body, glass front
Protection against water and othersNot supportedNot supported

📲 Display

LG X400 (K121K)LG X400 (K121L)
Display typeTFT IPS LCDTFT IPS LCD
Screen size5.3" inches5.3" inches
Screen-to-body ratio~69.2% (screen-to-body ratio)~69.2% (screen-to-body ratio)
Display resolution720x1280 pixels720x1280 pixels
TouchscreenCapacitive MultitouchCapacitive Multitouch
Pixel density (dot pitch)277 PPI277 PPI
Colors16 million16 million
Scratch-resistant glassNot supportedNot supported
Refresh ratefeature not registeredfeature not registered
Display featuresfeature not registeredfeature not registered

🤖 Operating System

LG X400 (K121K)LG X400 (K121L)
System versionAndroid 7.0 NougatAndroid 7.0 Nougat
Firmware updateAndroid 8.0 OreoAndroid 8.0 Oreo
User Interfacefeature not registeredfeature not registered

⚙️ Processor

LG X400 (K121K)LG X400 (K121L)
Chipset64bit: MediaTek MT6750 (28nm)64bit: MediaTek MT6750 (28nm)
CPUOcta-core, 2 processors:
4x 1.5GHz ARM Cortex-A53 (Quad-core)
4x 1GHz ARM Cortex-A53 (Quad-core)
Octa-core, 2 processors:
4x 1.5GHz ARM Cortex-A53 (Quad-core)
4x 1GHz ARM Cortex-A53 (Quad-core)
GPU graphical controllerARM Mali-T860 MP2 520MhzARM Mali-T860 MP2 520Mhz
Performance (benchmark)feature not registeredfeature not registered

💽 Memory and storage

LG X400 (K121K)LG X400 (K121L)
RAM memory2GB LPDDR32GB LPDDR3
Internal storage32GB (22GB available)32GB (22GB available)
External storageUntil 256GB microSD, microSDXC
(dedicated slot)
Until 256GB microSD, microSDXC
(dedicated slot)

📶 Mobile networks

LG X400 (K121K)LG X400 (K121L)
Dual-SIMNot supportedNot supported
SIM card1 slot (Single-SIM)
nano-SIM (4FF)
1 slot (Single-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 bandTri-Band 900/1800/1900Tri-Band 900/1800/1900
Primary 2G networkGSM 900/1800/1900GSM 900/1800/1900
Primary 3G networkUMTS 2100UMTS 2100
Primary 4G networkLTE Cat6 850/900/1800/2100/2600 (Bands 1,3,5,7,8)
VoLTE
LTE Cat6 850/900/1800/2100/2600 (Bands 1,3,5,7,8)
VoLTE
Primary 5G networkNot supportedNot supported
Primary data networkGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE, LTE-AGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE, LTE-A
Secondary 2G networkNot supportedNot supported
Secondary 3G networkNot supportedNot supported
Secondary 4G networkNot supportedNot supported
Secondary data networkNot supportedNot supported

📷 Camera

LG X400 (K121K)LG X400 (K121L)
Back camera (main camera)13 megapixels13 megapixels
Main camera resolution4160x3120 pixels4160x3120 pixels
Video recording (primary)Full HD (1920x1080) 30 fpsFull HD (1920x1080) 30 fps
FlashLED flashLED flash
Focal aperturef/2.2 (aperture)f/2.2 (aperture)
Focal lengthfeature not registeredfeature not registered
Sensor size1/3" inches1/3" inches
Pixel size1.12µm pixel1.12µm pixel
AutofocusAutofocusAutofocus
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 only main cameraHDR photo only main camera
Camera extrasfeature not registeredfeature not registered

📸 Front camera

LG X400 (K121K)LG X400 (K121L)
Front camera (secondary)5 megapixels5 megapixels
Front camera resolution2560x1920 pixels2560x1920 pixels
Video recording (secondary)Full HD (1920x1080)Full HD (1920x1080)
Front flashNot supportedNot supported
Focal aperturef/2.4 (aperture)f/2.4 (aperture)
Focal lengthfeature not registeredfeature not registered
Sensor size1/5" inches1/5" inches
Pixel size1.12µm pixel1.12µm pixel

🔉 Sound and multimedia

LG X400 (K121K)LG X400 (K121L)
LoudspeakerSupportedSupported
Active noise cancellation2 microphones or more2 microphones or more
RadioFM (RDS)FM (RDS)
TVDigital TVDigital TV
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

LG X400 (K121K)LG X400 (K121L)
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 + A2DP4.2 + A2DP
WiFi802.11 b/g/n [wifi4] (2.4GHz)
WiFi Direct, hotspot
802.11 b/g/n [wifi4] (2.4GHz)
WiFi Direct, hotspot
DLNANot supportedNot supported
GPSA-GPS, GeoTagging, GLONASSA-GPS, GeoTagging, GLONASS
NFCSupportedSupported
Infrared portNot supportedNot supported

🧭 Sensors

LG X400 (K121K)LG X400 (K121L)
SensorsAccelerometer
Ambient light sensor
Compass
Fingerprint sensor (rear-mounted)
Proximity sensor
Accelerometer
Ambient light sensor
Compass
Fingerprint sensor (rear-mounted)
Proximity sensor
Vibrating alertSupportedSupported

🔋 Battery

LG X400 (K121K)LG X400 (K121L)
Battery typeLi-Ion: lithium-ion (Removable)Li-Ion: lithium-ion (Removable)
Battery capacity2800 mAh2800 mAh
Charger, wattsWired chargingWired charging
Inductive / wireless chargingfeature not registeredfeature not registered
Talk time autonomy9 hours9 hours
Standby390 hours (16.3 days)390 hours (16.3 days)

➕ Other features

LG X400 (K121K)LG X400 (K121L)
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, Gold
• 2.5D Arc Glass screen
• LG UX 5.0
• Wide-angle 120° front camera
• KnockOn, Knock Code
• DMB-TV (Korea)
• Colors: Black, Gold
• 2.5D Arc Glass screen
• LG UX 5.0
• Wide-angle 120° front camera
• KnockOn, Knock Code
• DMB-TV (Korea)

☢️ Radiation rate

LG X400 (K121K)LG X400 (K121L)
SAR 1.6W/kg (USA, Mexico, etc.)feature not registeredfeature not registered
SAR 2W/kg (Europe, UK, etc.)feature not registeredfeature not registered
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