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Samsung Galaxy M55 (SM-M556B/DS 256GB/8GB) vs LG K20 (X120EMW)

Side by side comparison between Samsung Galaxy M55 vs LG K20 phones, differences, pros, cons and full specifications. What's the better?

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Compare LG K20 X Samsung Galaxy M55 (SM-M556B/DS 256GB/8GB) 32Points
6.7"
AMOLED

1080x2400

50
MP

50mp

8GB
RAM

Octa-core

5000
mAh

(Non removable)

vs
5.45"
IPS

480x960

8
MP

5mp

1GB
RAM

Quad-core

3000
mAh

(Non removable)

What's the better phone? Samsung Galaxy M55 (SM-M556B/DS 256GB/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!

Galaxy M55 (SM-M556B/DS 256GB/8GB)} 32 Advantages Samsung Galaxy M55 (SM-M556B/DS 256GB/8GB) vs K20 (X120EMW)} 6 Advantages LG K20 (X120EMW)
+2.4GHz 64bit Octa-core (4nm)108%
More powerful processor, you can open your applications faster
vs1.5GHz 64bit Quad-core (28nm)
+8GB LPDDR4X7 times
More RAM memory. Typically more responsive and better for multitasking.
vs1GB LPDDR3
+256GB (233GB available)20 times
More internal storage for applications and files
vs16GB (11GB available)
+UFS 2.2Advantage
Fastest write and read storage.
vseMMC 5.1
+Until 1TB microSD, microSDXC3 times
More external storage for files using memory cards
vsUntil 256GB microSD, microSDXC
+7.8 millimeters (0.31 inches)6%
Thinner
vs8.3 millimeters (0.33 inches)
+Super AMOLEDAdvantage
Super AMOLED display is brighter and more vivid
vsTFT IPS LCD
+120Hz100%
The display reproduces more frames per second because the frequency (Hertz) is higher, improves fluidity and tires your eyes less.
vs60Hz
+1080x2400 pixels5 times
Higher resolution screen
vs480x960 pixels
+393 PPI99%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
vs197 PPI
+6.7"23%
Larger screen
vs5.45"
+(triple camera) 50MP + 8MP + 2MP7 times
Higher resolution main camera
vs(back) 8MP
+OIS: Optical stabilizationAdvantage
Image stabilization prevents blurry photos and helps in recording motion video
vsEIS: Digital stabilization
+BSI sensorAdvantage
The BSI sensor allows the entry of more light generating photos with more detail and brightness
vsNot supported
+1/1.56" inches156%
The larger sensor camera lets you take photos with better depth.
vs1/4" inches
+f/1.8 (aperture)11%
Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.
vsf/2.0 (aperture)
+(front) 50MP9 times
Higher resolution secondary camera to take pictures and selfies
vs(front) 5MP
+4K UHD (3840x2160)3 times
More image quality for recording videos with the primary camera
vsFull HD (1920x1080)
+(front) 4K UHD (3840x2160)3 times
More image quality for recording videos with the secondary camera
vs(front) Full HD (1920x1080)
+Android 15Advantage
Android 15 is newer and safer
vsAndroid 9.0 Pie
+5G Sub6Advantage
The 5G Sub6 network is newer and faster
vs4G LTE
+(5G Sub6) 3000 Mbps19 times
Faster for surfing the internet and download files
vs(4G LTE) 150 Mbps
+CompassAdvantage
Sensors help you use the device
vsNot supported
+Face unlockAdvantage
Sensors help you use the device
vsNot supported
+Fingerprint sensor (under display)Advantage
Sensors help you use the device
vsNot supported
+GyroscopeAdvantage
Sensors help you use the device
vsNot supported
+5000 mAh67%
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
vs3000 mAh
+45W7 times
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.
vs6W
+802.11 a/b/g/n/ac/ax [wifi6]Advantage
WiFi 802.11 a/b/g/n/ac/ax [wifi6] is newer and faster
vs802.11 b/g/n [wifi4]
+5.2 + A2DP/LEAdvantage
Bluetooth 5.2 + A2DP/LE is newer and faster
vs4.2 + A2DP
+NFCAdvantage
NFC allows you to make payments by approach quickly and securely
vsNot supported
+Type-CAdvantage
Reversible connector, you can stick in a USB-C cable any which way; either side is up.
vsMicroUSB 2.0
180 grams (6.3 ounces)vs+152 grams (5.32 ounces)18%
Lighter
LED flashvs+LED flash on both camerasAdvantage
The LED flash on both cameras helps in dark places or in low light
2 slots (Dual-SIM)
(hybrid slot/shares the same microSD slot)
vs+2 slots (Dual-SIM)
(dedicated slot)Advantage
You can have more mobile carriers/operators on the same device.
Type-C reversible connectorvs+3.5mm jackAdvantage
Headsets with 3.5mm Jack size are more common and easy to find in stores
Not supportedvs+FMAdvantage
The radio lets you listen to your songs and sports in general
Not supportedvs+MIL-STD-810G military certifiedAdvantage
Protection against water allows you talk to your friends in the rain, for example

18 Common items in both devices
Plastic body, glass front
16 million
Only digital zoom
PDAF: phase detection autofocus / Autofocus
HDR photo on both cameras
Capacitive
Multitouch
+11 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

๐Ÿ“ฑ Model features

Galaxy M55 (SM-M556B/DS 256GB/8GB)LG K20 (X120EMW)
ModelGalaxy M55 (SM-M556B/DS 256GB/8GB)K20 (X120EMW)
Other model namesGalaxy M55 5G SM-M556B/Dual-SIMLG K20 2019 LMX120EMW, LM-X120EMW
Country or region available(Global, International)BrazilColombiaMexico
(Global, International), Brazil, Colombia, Mexico
(Europe)(Global, International)IranTunisia
(Europe), (Global, International), Iran, Tunisia
BrandSamsungLG
Release date3/28/20248/7/2019
Depth7.8 millimeters (0.31 inches)8.3 millimeters (0.33 inches)
Size (width x height)76.5 x 163.9 millimeters (3.01 x 6.45 in)71.9 x 148.6 millimeters (2.83 x 5.85 in)
Weight180 grams (6.3 ounces)152 grams (5.32 ounces)
Build, materialsPlastic body, glass frontPlastic body, glass front
Protection against water and othersNot supportedMIL-STD-810G military certified: salt, dust, humidity, rain, vibration, solar radiation, transport and thermal shock resistant.

๐Ÿ“ฒ Display

Galaxy M55 (SM-M556B/DS 256GB/8GB)LG K20 (X120EMW)
Display typeSuper AMOLEDTFT IPS LCD
Screen size6.7" inches5.45" inches
Screen-to-body ratio~86.4% (screen-to-body ratio)~71.7% (screen-to-body ratio)
Display resolution1080x2400 pixels (20:9)480x960 pixels (18:9)
TouchscreenCapacitive Multitouch 10-pointsCapacitive Multitouch
Pixel density (dot pitch)393 PPI197 PPI
Colors16 million16 million
Scratch-resistant glassNot supportedNot supported
Refresh rate120Hz60Hz
Display featuresAlways-On DisplayNot supported

๐Ÿค– Operating System

Galaxy M55 (SM-M556B/DS 256GB/8GB)LG K20 (X120EMW)
System versionAndroid 14Android 9.0 Pie
Firmware updateAndroid 15feature not registered
User InterfaceOne UI 6.1 / 7.0feature not registered

โš™๏ธ Processor

Galaxy M55 (SM-M556B/DS 256GB/8GB)LG K20 (X120EMW)
Chipset64bit: Qualcomm Snapdragon 7 Gen 1 (SM7450-AB) (4nm)64bit: MediaTek MT6739 (28nm)
CPUOcta-core, 3 processors:
1x 2.4GHz ARM Cortex-A710 (Single-core)
3x 2.36GHz ARM Cortex-A710 (Triple-core)
4x 1.8GHz ARM Cortex-A510 (Quad-core)
Quad-core, 1 processor:
4x 1.5GHz ARM Cortex-A53 (Quad-core)
GPU graphical controllerQualcomm Adreno 644 (443MHz)PowerVR GE8100 MP1 (570MHz)
Performance (benchmark)AnTuTu: 582102 (v10)feature not registered

๐Ÿ’ฝ Memory and storage

Galaxy M55 (SM-M556B/DS 256GB/8GB)LG K20 (X120EMW)
RAM memory8GB LPDDR4X1GB LPDDR3
Internal storage256GB (233GB available)
UFS 2.2
16GB (11GB available)
eMMC 5.1
External storageUntil 1TB microSD, microSDXC
(hybrid slot/shares the same SIM-2 slot)
Until 256GB microSD, microSDXC
(dedicated slot)

๐Ÿ“ถ Mobile networks

Galaxy M55 (SM-M556B/DS 256GB/8GB)LG K20 (X120EMW)
Dual-SIMDual-SIM Standby - Call active on one sim card
(hybrid slot/shares the same microSD slot)
Dual-SIM Standby - Call active on one sim card
(dedicated slot)
SIM card2 slots (Dual-SIM)
nano-SIM (4FF)
2 slots (Dual-SIM)
nano-SIM (4FF)
Maximum Download / Upload3000/1024 Mbps150/50 Mbps
Network technology2G, 3G, 4G, 5G2G, 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 850/900/1800/1900GSM 850/900/1800/1900
Primary 3G networkUMTS 850/900/1700/1900/2100UMTS 850/900/1900/2100
Primary 4G networkLTE Cat18 (1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 25, 26, 28, 66)
TD-LTE (38, 40, 41)
VoLTE
LTE Cat4 (1, 3, 7, 8, 20)
TD-LTE (38)
VoLTE
Primary 5G networkSA/NSA/Sub6 (1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 77, 78)Not supported
Primary data networkGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE
Secondary 2G networkGSM 850/900/1800/1900GSM 850/900/1800/1900
Secondary 3G networkUMTS 850/900/1700/1900/2100Not supported
Secondary 4G networkLTE Cat18 (1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 25, 26, 28, 66)
TD-LTE (38, 40, 41)
VoLTE
Not supported
Secondary data networkGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6GPRS, EDGE

๐Ÿ“ท Camera

Galaxy M55 (SM-M556B/DS 256GB/8GB)LG K20 (X120EMW)
Back camera (main camera)(triple camera)
50 megapixels
8MP ultrawide f/2.2123ยฐ
2MP macro f/2.4
8 megapixels
Main camera resolution8160x6120 pixels3264x2448 pixels
Video recording (primary)4K UHD (3840x2160) 30 fpsFull HD (1920x1080) 30 fps
FlashLED flashLED flash on both cameras
Focal aperturef/1.8 (aperture)f/2.0 (aperture)
Focal lengthfeature not registered27mm (lens)
Sensor size1/1.56" inches1/4" inches
Pixel size1ยตm pixel1.12ยตm pixel
AutofocusPDAF: phase detection autofocusAutofocus
Touch focusSupportedSupported
Image stabilizationOIS: Optical stabilizationEIS: Digital stabilization
ZoomOnly digital zoomOnly digital zoom
Face/smile detectionFace detection, Smile detectionFace detection, Smile detection
BSI sensorSupportedNot supported
HDRHDR photo on both camerasHDR photo on both cameras
Camera extras4K@30fps
1080p@30/60fps
720p@240fps (slow motion)
feature not registered

๐Ÿ“ธ Front camera

Galaxy M55 (SM-M556B/DS 256GB/8GB)LG K20 (X120EMW)
Front camera (secondary)50 megapixels5 megapixels
Front camera resolution8160x6120 pixels2560x1920 pixels
Video recording (secondary)4K UHD (3840x2160)Full HD (1920x1080)
Front flashNot supportedLED
Focal aperturef/2.4 (aperture)f/2.2 (aperture)
Focal lengthfeature not registered24mm (lens)
Sensor sizefeature not registered1/5" inches
Pixel sizefeature not registered1.12ยตm pixel

๐Ÿ”‰ Sound and multimedia

Galaxy M55 (SM-M556B/DS 256GB/8GB)LG K20 (X120EMW)
LoudspeakerStereo soundSupported
Active noise cancellation2 microphones2 microphones or more
RadioNot supportedFM
TVNot supportedNot supported
Video formatsMP4, H.265, H.264, H.263, XviD, MKVMP4, H.264, H.263, XviD, MKV
Audio formatsMP3, WAV, WMA, eAAC+, FLACMP3, WAV, WMA, eAAC+, FLAC

๐Ÿ”Œ Connectivity

Galaxy M55 (SM-M556B/DS 256GB/8GB)LG K20 (X120EMW)
USBUSB 2.0 Type-C, USB OTG On-The-GoMicroUSB 2.0
Audio outputType-C reversible connector3.5mm jack
TV outputUSB Type-C (reversible)Not supported
Bluetooth5.2 + A2DP/LE4.2 + A2DP
WiFi802.11 a/b/g/n/ac/ax [wifi6] (2.4GHz, 5GHz) + MIMO
WiFi Direct, hotspot
802.11 b/g/n [wifi4] (2.4GHz)
DLNANot supportedNot supported
GPSA-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSSA-GPS, GeoTagging, GLONASS
NFCSupportedNot supported
Infrared portNot supportedNot supported

๐Ÿงญ Sensors

Galaxy M55 (SM-M556B/DS 256GB/8GB)LG K20 (X120EMW)
SensorsAccelerometer
Ambient light sensor
Compass
Face unlock
Fingerprint sensor (under display)
Gyroscope
Proximity sensor
Accelerometer
Ambient light sensor
Proximity sensor
Vibrating alertSupportedSupported

๐Ÿ”‹ Battery

Galaxy M55 (SM-M556B/DS 256GB/8GB)LG K20 (X120EMW)
Battery typeLi-Ion: lithium-ion (Non removable)Li-Ion: lithium-ion (Non removable)
BL-01
Battery capacity5000 mAh3000 mAh
Charger, watts45W Wired fast charging6W (5V/1.2A) Wired charging
Inductive / wireless chargingNot supportedfeature not registered
Talk time autonomyfeature not registered17 hours
Standbyfeature not registered600 hours (25 days)

โž• Other features

Galaxy M55 (SM-M556B/DS 256GB/8GB)LG K20 (X120EMW)
Call controlVoice dialing, Voice recorder, Voice commandsVoice 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
Miscellaneousโ€ข Colors: Dark Blue, Light Greenโ€ข Colors: Black, Blue, Platinum
โ€ข Android Go edition
โ€ข Google assistant
โ€ข WiFi hotspot

โ˜ข๏ธ Radiation rate

Galaxy M55 (SM-M556B/DS 256GB/8GB)LG K20 (X120EMW)
SAR 1.6W/kg (USA, Mexico, etc.)0.79W/kg (head), 1.09W/kg (body)feature not registered
SAR 2W/kg (Europe, UK, etc.)0.96W/kg (head), 0.98W/kg (body)feature not registered
X

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