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LG X400 (K121K) vs Samsung Galaxy M12 (SM-M127F/DSN 64GB)

Side by side comparison between LG X400 vs Samsung Galaxy M12 phones, differences, pros, cons and full specifications. What's the better?

,
5.3"
IPS

720x1280

13
MP

5mp

2GB
RAM

Octa-core

2800
mAh

(Removable)

vs
17Points Samsung Galaxy M12 (SM-M127F/DSN 64GB) Compare LG X400 X
6.5"
PLS

720x1600

48
MP

8mp

4GB
RAM

Octa-core

5000
mAh

(Non removable)

What's the better phone? Samsung Galaxy M12 (SM-M127F/DSN 64GB)

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!

X400 (K121K)} 10 Advantages LG X400 (K121K) vs Galaxy M12 (SM-M127F/DSN 64GB)} 17 Advantages Samsung Galaxy M12 (SM-M127F/DSN 64GB)
+142 grams (4.97 ounces)51%
Lighter
vs214 grams (7.49 ounces)
+8 millimeters (0.31 inches)21%
Thinner
vs9.7 millimeters (0.38 inches)
+TFT IPS LCDAdvantage
TFT IPS LCD display is brighter and more vivid
vsTFT PLS
+277 PPI3%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
vs270 PPI
+Ambient light sensorAdvantage
Sensors help you use the device
vsVirtual ambient light sensor
+CompassAdvantage
Sensors help you use the device
vsNot supported
+Proximity sensorAdvantage
Sensors help you use the device
vsVirtual proximity sensor
+Li-Ion: lithium-ion (Removable)Advantage
Removable battery can be replaced easily
vsLiPo: li-ion polymer (Non removable)
+Active noise cancellationAdvantage
More noise-canceling microphones allow for better quality in calls and audio for recorded videos
vsNot supported
+Digital TVAdvantage
Watch your favorite TV shows anywhere
vsNot supported
1.5GHz 64bit Octa-corevs+2GHz 64bit Octa-core (8nm)63%
More powerful processor, you can open your applications faster
2GB LPDDR3vs+4GB LPDDR4X100%
More RAM memory. Typically more responsive and better for multitasking.
32GB (22GB available)vs+64GB (48GB available)118%
More internal storage for applications and files
Until 256GB microSD, microSDXCvs+Until 1TB microSD, microSDXC3 times
More external storage for files using memory cards
720x1280 pixelsvs+720x1600 pixels25%
Higher resolution screen
5.3"vs+6.5"23%
Larger screen
(back) 13MPvs+(quad camera) 48MP + 5MP + 2MP + 2MP3 times
Higher resolution main camera
HDR photo only main cameravs+HDR photo on both camerasAdvantage
The HDR technology produced photos with more detail in dark areas
1/3" inchesvs+1/2" inches50%
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
Android 8.0 Oreovs+Android 11Advantage
Android 11 is newer and safer
Not supportedvs+Face unlock 2DAdvantage
Sensors help you use the device
2800 mAhvs+5000 mAh79%
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
1 slot (Single-SIM)
(dedicated slot)
vs+2 slots (Dual-SIM)
(dedicated slot)Advantage
You can have more mobile carriers/operators on the same device.
4.2 + A2DPvs+5.0 + A2DP/LEAdvantage
Bluetooth 5.0 + A2DP/LE 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.

24 Common items in both devices
Plastic body, glass front
16 million
LED flash
Only digital zoom
Autofocus / PDAF: phase detection autofocus
EIS: Digital stabilization
Full HD (1920x1080)
+17 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)Galaxy M12 (SM-M127F/DSN 64GB)
ModelX400 (K121K)Galaxy M12 (SM-M127F/DSN 64GB)
Other model namesKT LG X400, LGM-K121K, LGMK121K (Korea Telecom)Galaxy M12 SM-M127F/Dual-SIM NFC
Country or region availableSouth Korea
South Korea
(Europe)Russia
(Europe), Russia
BrandLGSamsung
Release date2/1/20174/30/2021, Announced: 4/19/2021
Depth8 millimeters (0.31 inches)9.7 millimeters (0.38 inches)
Size (width x height)75.29 x 148.7 millimeters (2.96 x 5.85 in)75.9 x 164 millimeters (2.99 x 6.46 in)
Weight142 grams (4.97 ounces)214 grams (7.49 ounces)
Build, materialsPlastic body, glass frontPlastic body, glass front
Protection against water and othersNot supportedNot supported

📲 Display

LG X400 (K121K)Galaxy M12 (SM-M127F/DSN 64GB)
Display typeTFT IPS LCDTFT PLS
Screen size5.3" inches6.5" inches
Screen-to-body ratio~69.2% (screen-to-body ratio)~81.9% (screen-to-body ratio)
Display resolution720x1280 pixels720x1600 pixels (20:9)
TouchscreenCapacitive MultitouchCapacitive Multitouch
Pixel density (dot pitch)277 PPI270 PPI
Colors16 million16 million
Scratch-resistant glassNot supportedNot supported
Refresh ratefeature not registered90Hz
Display featuresfeature not registeredNot supported

🤖 Operating System

LG X400 (K121K)Galaxy M12 (SM-M127F/DSN 64GB)
System versionAndroid 7.0 NougatAndroid 11
Firmware updateAndroid 8.0 Oreofeature not registered
User Interfacefeature not registeredOne UI Core 3.1

⚙️ Processor

LG X400 (K121K)Galaxy M12 (SM-M127F/DSN 64GB)
Chipset64bit: MediaTek MT6750 (28nm)64bit: Samsung Exynos 850 (8nm)
CPUOcta-core, 2 processors:
4x 1.5GHz ARM Cortex-A53 (Quad-core)
4x 1GHz ARM Cortex-A53 (Quad-core)
Octa-core, 1 processor:
8x 2GHz ARM Cortex-A55 (Octa-core)
GPU graphical controllerARM Mali-T860 MP2 520MhzARM Mali-G52 MP1
Performance (benchmark)feature not registeredfeature not registered

💽 Memory and storage

LG X400 (K121K)Galaxy M12 (SM-M127F/DSN 64GB)
RAM memory2GB LPDDR34GB LPDDR4X
Internal storage32GB (22GB available)64GB (48GB available)
eMMC 5.1
External storageUntil 256GB microSD, microSDXC
(dedicated slot)
Until 1TB microSD, microSDXC
(dedicated slot)

📶 Mobile networks

LG X400 (K121K)Galaxy M12 (SM-M127F/DSN 64GB)
Dual-SIMNot supportedDual-SIM Standby - Call active on one sim card
(dedicated slot)
SIM card1 slot (Single-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 bandTri-Band 900/1800/1900Quad-Band 850/900/1800/1900
Primary 2G networkGSM 900/1800/1900GSM 850/900/1800/1900
Primary 3G networkUMTS 2100UMTS 850/900/1700/1900/2100
Primary 4G networkLTE Cat6 850/900/1800/2100/2600 (Bands 1,3,5,7,8)
VoLTE
LTE Cat6 (1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 26, 28, 66)
TD-LTE (38, 40, 41)
VoLTE
Primary 5G networkNot supportedNot supported
Primary data networkGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE, LTE-AGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A
Secondary 2G networkNot supportedGSM 850/900/1800/1900
Secondary 3G networkNot supportedNot supported
Secondary 4G networkNot supportedNot supported
Secondary data networkNot supportedGPRS, EDGE

📷 Camera

LG X400 (K121K)Galaxy M12 (SM-M127F/DSN 64GB)
Back camera (main camera)13 megapixels(quad camera)
48 megapixels
5MP ultrawide f/2.2123°
2MP macro f/2.4
2MP depth f/2.4
Main camera resolution4160x3120 pixels8000x6000 pixels
Video recording (primary)Full HD (1920x1080) 30 fpsFull HD (1920x1080) 30 fps
FlashLED flashLED flash
Focal aperturef/2.2 (aperture)f/2.0 (aperture)
Focal lengthfeature not registeredfeature not registered
Sensor size1/3" inches1/2" inches
Pixel size1.12µm pixel0.8µm pixel
AutofocusAutofocusPDAF: 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 only main cameraHDR photo on both cameras
Camera extrasfeature not registeredfeature not registered

📸 Front camera

LG X400 (K121K)Galaxy M12 (SM-M127F/DSN 64GB)
Front camera (secondary)5 megapixels8 megapixels
Front camera resolution2560x1920 pixels3264x2448 pixels
Video recording (secondary)Full HD (1920x1080)Full HD (1920x1080)
Front flashNot supportedNot supported
Focal aperturef/2.4 (aperture)f/2.2 (aperture)
Focal lengthfeature not registeredfeature not registered
Sensor size1/5" inchesfeature not registered
Pixel size1.12µm pixelfeature not registered

🔉 Sound and multimedia

LG X400 (K121K)Galaxy M12 (SM-M127F/DSN 64GB)
LoudspeakerSupportedMono sound (not stereo)
Active noise cancellation2 microphones or moreNot supported
RadioFM (RDS)FM
TVDigital TVNot supported
Video formatsMP4, H.264, H.263, XviD, MKVMP4, H.265, H.264, H.263, XviD, MKV
Audio formatsMP3, WAV, WMA, eAAC+, FLACMP3, WAV, WMA, eAAC+, FLAC

🔌 Connectivity

LG X400 (K121K)Galaxy M12 (SM-M127F/DSN 64GB)
USBMicroUSB 2.0, USB OTG On-The-GoUSB 2.0 Type-C, USB OTG On-The-Go
Audio output3.5mm jack3.5mm jack
TV outputNot supportedUSB Type-C (reversible)
Bluetooth4.2 + A2DP5.0 + A2DP/LE
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, GALILEO, BeiDou
NFCSupportedSupported
Infrared portNot supportedNot supported

🧭 Sensors

LG X400 (K121K)Galaxy M12 (SM-M127F/DSN 64GB)
SensorsAccelerometer
Ambient light sensor
Compass
Fingerprint sensor (rear-mounted)
Proximity sensor
Accelerometer
Face unlock 2D
Fingerprint sensor (side-mounted)
Virtual ambient light sensor
Virtual proximity sensor
Vibrating alertSupportedSupported

🔋 Battery

LG X400 (K121K)Galaxy M12 (SM-M127F/DSN 64GB)
Battery typeLi-Ion: lithium-ion (Removable)LiPo: li-ion polymer (Non removable)
Battery capacity2800 mAh5000 mAh
Charger, wattsWired charging15W Wired fast charging
Reverse charging by cable
Inductive / wireless chargingfeature not registeredNot supported
Talk time autonomy9 hours49 hours (2 days)
Standby390 hours (16.3 days)feature not registered

➕ Other features

LG X400 (K121K)Galaxy M12 (SM-M127F/DSN 64GB)
Call controlVoice dialing, Voice recorderVoice dialing, Voice recorder, Voice commands
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, Blue, Green

☢️ Radiation rate

LG X400 (K121K)Galaxy M12 (SM-M127F/DSN 64GB)
SAR 1.6W/kg (USA, Mexico, etc.)feature not registered0.799W/kg (head), 0.629W/kg (body)
SAR 2W/kg (Europe, UK, etc.)feature not registered0.539W/kg (head), 1.388W/kg (body)
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