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LG Harmony (M257) vs Samsung Galaxy A21s (SM-A217F/DSN 64GB/4GB)

Side by side comparison between LG Harmony vs Samsung Galaxy A21s phones, differences, pros, cons and full specifications. What's the better?

,
5.3"
IPS

720x1280

8
MP

5mp

1.5GB
RAM

Quad-core

2800
mAh

(Removable)

vs
19Points Samsung Galaxy A21s (SM-A217F/DSN 64GB/4GB) Compare LG Harmony X
6.5"
PLS

720x1600

48
MP

13mp

4GB
RAM

Octa-core

5000
mAh

(Non removable)

What's the better phone? Samsung Galaxy A21s (SM-A217F/DSN 64GB/4GB)

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!

Harmony (M257)} 6 Advantages LG Harmony (M257) vs Galaxy A21s (SM-A217F/DSN 64GB/4GB)} 19 Advantages Samsung Galaxy A21s (SM-A217F/DSN 64GB/4GB)
+142 grams (4.97 ounces)35%
Lighter
vs192 grams (6.72 ounces)
+8 millimeters (0.31 inches)11%
Thinner
vs8.9 millimeters (0.35 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
+Li-Ion: lithium-ion (Removable)Advantage
Removable battery can be replaced easily
vsLiPo: li-ion polymer (Non removable)
1.4GHz 64bit Quad-core (28nm)vs+2GHz 64bit Octa-core (8nm)71%
More powerful processor, you can open your applications faster
1.5GB LPDDR3vs+4GB LPDDR4X167%
More RAM memory. Typically more responsive and better for multitasking.
16GB (9GB available)vs+64GB (48GB available)4 times
More internal storage for applications and files
Until 256GB microSD, microSDXCvs+Until 512GB microSD, microSDXC100%
More external storage for files using memory cards
720x1280 pixelsvs+720x1600 pixels25%
Higher resolution screen
5.3"vs+6.5"23%
Larger screen
(back) 8MPvs+(quad camera) 48MP + 8MP + 2MP + 2MP7 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
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) 13MP160%
Higher resolution secondary camera to take pictures and selfies
Android 7.0 Nougatvs+Android 12Advantage
Android 12 is newer and safer
Not supportedvs+Face unlock 2DAdvantage
Sensors help you use the device
Not supportedvs+Fingerprint sensor (rear-mounted)Advantage
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)
(dedicated 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 [wifi5]Advantage
WiFi 802.11 a/b/g/n/ac [wifi5] 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.

25 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)
+18 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 Harmony (M257)Galaxy A21s (SM-A217F/DSN 64GB/4GB)
Change model 
ModelHarmony (M257)Galaxy A21s (SM-A217F/DSN 64GB/4GB)
Other model namesCricket LG Harmony, LG K20 Plus, LG-M257, LGM257Galaxy A21s SM-A217F/Dual-Sim NFC (64GB + 4GB RAM)
Country or region availableUSA
USA
(Europe)SpainGreeceIsraelPortugalTaiwan
(Europe), Spain, Greece, Israel, Portugal, Taiwan
BrandLGSamsung
Release date2/1/20176/2/2020, Announced: 5/15/2020
Depth8 millimeters (0.31 inches)8.9 millimeters (0.35 inches)
Size (width x height)75.29 x 148.7 millimeters (2.96 x 5.85 in)75.3 x 163.7 millimeters (2.96 x 6.44 in)
Weight142 grams (4.97 ounces)192 grams (6.72 ounces)
Build, materialsPlastic body, glass frontPlastic body, glass front
Protection against water and othersNot supportedNot supported

📲 Display

LG Harmony (M257)Galaxy A21s (SM-A217F/DSN 64GB/4GB)
Display typeTFT IPS LCDTFT PLS
Screen size5.3" inches6.5" inches
Screen-to-body ratio~69.2% (screen-to-body ratio)~82.8% (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 registered60Hz
Display featuresfeature not registeredNot supported

🤖 Operating System

LG Harmony (M257)Galaxy A21s (SM-A217F/DSN 64GB/4GB)
System versionAndroid 7.0 NougatAndroid 10
Firmware updatefeature not registeredAndroid 12
User Interfacefeature not registeredOne UI 2.0 / 3.1 / 4.1

⚙️ Processor

LG Harmony (M257)Galaxy A21s (SM-A217F/DSN 64GB/4GB)
Chipset64bit: Qualcomm Snapdragon 425 (MSM8917) (28nm)64bit: Samsung Exynos 850 (8nm)
CPUQuad-core, 1 processor:
4x 1.4GHz ARM Cortex-A53 (Quad-core)
Octa-core, 1 processor:
8x 2GHz ARM Cortex-A55 (Octa-core)
GPU graphical controllerQualcomm Adreno 308 (500MHz)ARM Mali-G52 MP1
Performance (benchmark)feature not registeredAnTuTu: 124232 (v8)

💽 Memory and storage

LG Harmony (M257)Galaxy A21s (SM-A217F/DSN 64GB/4GB)
RAM memory1.5GB LPDDR34GB LPDDR4X
Internal storage16GB (9GB available)64GB (48GB available)
eMMC 5.1
External storageUntil 256GB microSD, microSDXC
(dedicated slot)
Until 512GB microSD, microSDXC
(dedicated slot)

📶 Mobile networks

LG Harmony (M257)Galaxy A21s (SM-A217F/DSN 64GB/4GB)
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 Mbps300/150 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 850/900/1800/1900GSM 850/900/1800/1900
Primary 3G networkUMTS 850/1700/1900UMTS 850/900/1900/2100
Primary 4G networkLTE Cat6 700/850/1700/1900 (Bands 2,4,5,12)LTE Cat7/13 (1, 2, 3, 5, 7, 8, 20, 28)
TD-LTE (38, 40, 41)
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 supportedUMTS 850/900/1900/2100
Secondary 4G networkNot supportedLTE Cat7/13 (1, 2, 3, 5, 7, 8, 20, 28)
TD-LTE (38, 40, 41)
Secondary data networkNot supportedGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A

📷 Camera

LG Harmony (M257)Galaxy A21s (SM-A217F/DSN 64GB/4GB)
Back camera (main camera)8 megapixels(quad camera)
48 megapixels
8MP ultrawide f/2.21/4"1.12µm123°
2MP macro f/2.4
2MP depth f/2.4
Main camera resolution3264x2448 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 registered26mm (lens)
Sensor sizefeature not registered1/2" 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 Harmony (M257)Galaxy A21s (SM-A217F/DSN 64GB/4GB)
Front camera (secondary)5 megapixels13 megapixels
Front camera resolution2560x1920 pixels4128x3096 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 sizefeature not registered1/3.1" inches
Pixel size1.12µm pixel1.12µm pixel

🔉 Sound and multimedia

LG Harmony (M257)Galaxy A21s (SM-A217F/DSN 64GB/4GB)
LoudspeakerSupportedMono sound (not stereo)
Active noise cancellation2 microphones or more2 microphones or more
RadioFM (RDS)FM
TVNot supportedNot 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 Harmony (M257)Galaxy A21s (SM-A217F/DSN 64GB/4GB)
USBMicroUSB 2.0, USB OTG On-The-GoUSB 2.0 Type-C reversible connector
Audio output3.5mm jack3.5mm jack
TV outputNot supportedNot supported
Bluetooth4.2 + A2DP5.0 + 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, GALILEO, BeiDou
NFCSupportedSupported
Infrared portNot supportedNot supported

🧭 Sensors

LG Harmony (M257)Galaxy A21s (SM-A217F/DSN 64GB/4GB)
SensorsAccelerometer
Ambient light sensor
Compass
Proximity sensor
Accelerometer
Compass
Face unlock 2D
Fingerprint sensor (rear-mounted)
Gyroscope
Proximity sensor
Virtual ambient light sensor
Vibrating alertSupportedSupported

🔋 Battery

LG Harmony (M257)Galaxy A21s (SM-A217F/DSN 64GB/4GB)
Battery typeLi-Ion: lithium-ion (Removable)LiPo: li-ion polymer (Non removable)
Battery capacity2800 mAh5000 mAh
Charger, wattsWired charging15W (9V/1.67A) Wired fast charging
Inductive / wireless chargingfeature not registeredNot supported
Talk time autonomy14 hoursfeature not registered
Standby350 hours (14.6 days)feature not registered

➕ Other features

LG Harmony (M257)Galaxy A21s (SM-A217F/DSN 64GB/4GB)
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
• 2.5D Arc Glass screen
• LG UX 5.0
• Wide-angle 120° front camera
• KnockOn, Knock Code
• VoLTE
• Colors: Black, White, Blue, Red

☢️ Radiation rate

LG Harmony (M257)Galaxy A21s (SM-A217F/DSN 64GB/4GB)
SAR 1.6W/kg (USA, Mexico, etc.)feature not registeredfeature not registered
SAR 2W/kg (Europe, UK, etc.)feature not registered0.422W/kg (head), 1.544W/kg (body)
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