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LG X400 (K121K) vs Samsung Galaxy M52 (SM-M526B/DS 128GB/8GB)

Side by side comparison between LG X400 vs Samsung Galaxy M52 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
27Points Samsung Galaxy M52 (SM-M526B/DS 128GB/8GB) Compare LG X400 X
6.7"
AMOLED

1080x2400

64
MP

32mp

8GB
RAM

Octa-core

5000
mAh

(Non removable)

What's the better phone? Samsung Galaxy M52 (SM-M526B/DS 128GB/8GB)

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)} 4 Advantages LG X400 (K121K) vs Galaxy M52 (SM-M526B/DS 128GB/8GB)} 27 Advantages Samsung Galaxy M52 (SM-M526B/DS 128GB/8GB)
+142 grams (4.97 ounces)22%
Lighter
vs173 grams (6.06 ounces)
+Li-Ion: lithium-ion (Removable)Advantage
Removable battery can be replaced easily
vsLiPo: li-ion polymer (Non removable)
+3.5mm jackAdvantage
Headsets with 3.5mm Jack size are more common and easy to find in stores
vsType-C reversible connector
+Digital TVAdvantage
Watch your favorite TV shows anywhere
vsNot supported
1.5GHz 64bit Octa-corevs+2.4GHz 64bit Octa-core (6nm)85%
More powerful processor, you can open your applications faster
2GB LPDDR3vs+8GB LPDDR4X3 times
More RAM memory. Typically more responsive and better for multitasking.
32GB (22GB available)vs+128GB (101GB available)4 times
More internal storage for applications and files
Until 256GB microSD, microSDXCvs+Until 1TB microSD, microSDXC3 times
More external storage for files using memory cards
8 millimeters (0.31 inches)vs+7.4 millimeters (0.29 inches)8%
Thinner
TFT IPS LCDvs+Super AMOLED PlusAdvantage
Super AMOLED Plus display is brighter and more vivid
720x1280 pixelsvs+1080x2400 pixels181%
Higher resolution screen
277 PPIvs+393 PPI42%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
5.3"vs+6.7"26%
Larger screen
(back) 13MPvs+(triple camera) 64MP + 12MP + 5MP5 times
Higher resolution main camera
Not supportedvs+BSI sensorAdvantage
The BSI sensor allows the entry of more light generating photos with more detail and brightness
HDR photo only main cameravs+HDR photo on both camerasAdvantage
The HDR technology produced photos with more detail in dark areas
1/3" inchesvs+1/1.72" inches74%
The larger sensor camera lets you take photos with better depth.
f/2.2 (aperture)vs+f/1.8 (aperture)22%
Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.
(front) 5MPvs+(front) 32MP6 times
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
(front) Full HD (1920x1080)vs+(front) 4K UHD (3840x2160)3 times
More image quality for recording videos with the secondary camera
Android 8.0 Oreovs+Android 13Advantage
Android 13 is newer and safer
4G LTE-Avs+5G SA/NSAAdvantage
The 5G SA/NSA network is newer and faster
(4G LTE-A) 300 Mbpsvs+(5G SA/NSA) 2000 Mbps6 times
Faster for surfing the internet and download files
Not supportedvs+Face unlock 2DAdvantage
Sensors help you use the device
Not supportedvs+GyroscopeAdvantage
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)
(hybrid slot/shares the same microSD slot)Advantage
You can have more mobile carriers/operators on the same device.
802.11 b/g/n [wifi4]vs+802.11 a/b/g/n/ac/ax [wifi6]Advantage
WiFi 802.11 a/b/g/n/ac/ax [wifi6] is newer and faster
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.

22 Common items in both devices
Plastic body, glass front
16 million
LED flash
Only digital zoom
Autofocus / PDAF: phase detection autofocus
EIS: Digital stabilization
Capacitive
+15 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 M52 (SM-M526B/DS 128GB/8GB)
ModelX400 (K121K)Galaxy M52 (SM-M526B/DS 128GB/8GB)
Other model namesKT LG X400, LGM-K121K, LGMK121K (Korea Telecom)Galaxy M52 5G SM-M526B/Dual-SIM 128GB+8GB RAM
Country or region availableSouth Korea
South Korea
India
India
BrandLGSamsung
Release date2/1/201710/2/2021, Announced: 9/24/2021
Depth8 millimeters (0.31 inches)7.4 millimeters (0.29 inches)
Size (width x height)75.29 x 148.7 millimeters (2.96 x 5.85 in)76.4 x 164.2 millimeters (3.01 x 6.46 in)
Weight142 grams (4.97 ounces)173 grams (6.06 ounces)
Build, materialsPlastic body, glass frontPlastic body, glass front
Protection against water and othersNot supportedNot supported

📲 Display

LG X400 (K121K)Galaxy M52 (SM-M526B/DS 128GB/8GB)
Display typeTFT IPS LCDSuper AMOLED Plus
Screen size5.3" inches6.7" inches
Screen-to-body ratio~69.2% (screen-to-body ratio)~86.4% (screen-to-body ratio)
Display resolution720x1280 pixels1080x2400 pixels (20:9)
TouchscreenCapacitive MultitouchCapacitive Multitouch
Pixel density (dot pitch)277 PPI393 PPI
Colors16 million16 million
Scratch-resistant glassNot supportedNot supported
Refresh ratefeature not registered120Hz
Display featuresfeature not registeredNot supported

🤖 Operating System

LG X400 (K121K)Galaxy M52 (SM-M526B/DS 128GB/8GB)
System versionAndroid 7.0 NougatAndroid 11
Firmware updateAndroid 8.0 OreoAndroid 13
User Interfacefeature not registeredOne UI 3.1 / 4.1 / 5.0

⚙️ Processor

LG X400 (K121K)Galaxy M52 (SM-M526B/DS 128GB/8GB)
Chipset64bit: MediaTek MT6750 (28nm)64bit: Qualcomm Snapdragon 778G (SM7325) (6nm)
CPUOcta-core, 2 processors:
4x 1.5GHz ARM Cortex-A53 (Quad-core)
4x 1GHz ARM Cortex-A53 (Quad-core)
Octa-core, 3 processors:
1x 2.4GHz ARM Cortex-A78 (Single-core)
3x 2.2GHz ARM Cortex-A78 (Triple-core)
4x 1.8GHz ARM Cortex-A55 (Quad-core)
GPU graphical controllerARM Mali-T860 MP2 520MhzQualcomm Adreno 642L (550MHz)
Performance (benchmark)feature not registeredAnTuTu: 504424 (v9)
Geekbench: 2796 (v5.1)
GFXBench: 28fps (ES 3.1 onscreen)

💽 Memory and storage

LG X400 (K121K)Galaxy M52 (SM-M526B/DS 128GB/8GB)
RAM memory2GB LPDDR38GB LPDDR4X
Internal storage32GB (22GB available)128GB (101GB available)
eMMC 5.1
External storageUntil 256GB microSD, microSDXC
(dedicated slot)
Until 1TB microSD, microSDXC
(hybrid slot/shares the same SIM-2 slot)

📶 Mobile networks

LG X400 (K121K)Galaxy M52 (SM-M526B/DS 128GB/8GB)
Dual-SIMNot supportedDual-SIM Standby - Call active on one sim card
(hybrid slot/shares the same microSD slot)
SIM card1 slot (Single-SIM)
nano-SIM (4FF)
2 slots (Dual-SIM)
nano-SIM (4FF)
Maximum Download / Upload300/50 Mbps2000/1024 Mbps
Network technology2G, 3G, 4G2G, 3G, 4G, 5G
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 Cat16 (1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 26, 28, 66)
TD-LTE (38, 40, 41)
VoLTE
Primary 5G networkNot supportedSA/NSA/Sub6 (1, 3, 5, 7, 8, 20, 28, 40, 41, 66, 78)
Primary data networkGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE, LTE-AGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA
Secondary 2G networkNot supportedGSM 850/900/1800/1900
Secondary 3G networkNot supportedUMTS 850/900/1700/1900/2100
Secondary 4G networkNot supportedLTE Cat16 (1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 26, 28, 66)
TD-LTE (38, 40, 41)
VoLTE
Secondary data networkNot supportedGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A

📷 Camera

LG X400 (K121K)Galaxy M52 (SM-M526B/DS 128GB/8GB)
Back camera (main camera)13 megapixels(triple camera)
64 megapixels
12MP ultrawide f/2.2123°1.12µm
5MP macro f/2.4
Main camera resolution4160x3120 pixels10120x6328 pixels
Video recording (primary)Full HD (1920x1080) 30 fps4K UHD (3840x2160) 30 fps
FlashLED flashLED flash
Focal aperturef/2.2 (aperture)f/1.8 (aperture)
Focal lengthfeature not registered26mm (lens)
Sensor size1/3" inches1/1.72" 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 supportedSupported
HDRHDR photo only main cameraHDR photo on both cameras
Camera extrasfeature not registered1080p@30fps

📸 Front camera

LG X400 (K121K)Galaxy M52 (SM-M526B/DS 128GB/8GB)
Front camera (secondary)5 megapixels32 megapixels
Front camera resolution2560x1920 pixels6528x4896 pixels
Video recording (secondary)Full HD (1920x1080)4K UHD (3840x2160)
Front flashNot supportedNot supported
Focal aperturef/2.4 (aperture)f/2.2 (aperture)
Focal lengthfeature not registered26mm (lens)
Sensor size1/5" inches1/2.8" inches
Pixel size1.12µm pixel0.8µm pixel

🔉 Sound and multimedia

LG X400 (K121K)Galaxy M52 (SM-M526B/DS 128GB/8GB)
LoudspeakerSupportedMono sound (not stereo)
Active noise cancellation2 microphones or more2 microphones or more
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 M52 (SM-M526B/DS 128GB/8GB)
USBMicroUSB 2.0, USB OTG On-The-GoUSB 2.0 Type-C, USB OTG On-The-Go
Audio output3.5mm jackType-C reversible connector
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 a/b/g/n/ac/ax [wifi6] (2.4GHz, 5GHz) + MIMO
WiFi Direct, hotspot
DLNANot supportedNot supported
GPSA-GPS, GeoTagging, GLONASSA-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS
NFCSupportedSupported
Infrared portNot supportedNot supported

🧭 Sensors

LG X400 (K121K)Galaxy M52 (SM-M526B/DS 128GB/8GB)
SensorsAccelerometer
Ambient light sensor
Compass
Fingerprint sensor (rear-mounted)
Proximity sensor
Accelerometer
Ambient light sensor
Compass
Face unlock 2D
Fingerprint sensor (side-mounted)
Gyroscope
Proximity sensor
Vibrating alertSupportedSupported

🔋 Battery

LG X400 (K121K)Galaxy M52 (SM-M526B/DS 128GB/8GB)
Battery typeLi-Ion: lithium-ion (Removable)LiPo: li-ion polymer (Non removable)
Battery capacity2800 mAh5000 mAh
Charger, wattsWired charging25W Wired fast charging
Reverse charging by cable
Inductive / wireless chargingfeature not registeredNot supported
Talk time autonomy9 hours48 hours (2 days)
Standby390 hours (16.3 days)feature not registered

➕ Other features

LG X400 (K121K)Galaxy M52 (SM-M526B/DS 128GB/8GB)
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: Blazing Black, White, Icy Blue

☢️ Radiation rate

LG X400 (K121K)Galaxy M52 (SM-M526B/DS 128GB/8GB)
SAR 1.6W/kg (USA, Mexico, etc.)feature not registered0.77W/kg (head), 0.8W/kg (body)
SAR 2W/kg (Europe, UK, etc.)feature not registered0.789W/kg (head), 1.4W/kg (body)
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