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LG K51S (K510EMW) vs Samsung Galaxy A21s (SM-A217F)

Side by side comparison between LG K51S vs Samsung Galaxy A21s phones, differences, pros, cons and full specifications. What's the better?

,
6.55"
IPS

720x1600

32
MP

13mp

3GB
RAM

Octa-core

4000
mAh

(Non removable)

vs
11Points Samsung Galaxy A21s (SM-A217F) Compare LG K51S X
6.5"
PLS

720x1600

48
MP

13mp

3GB
RAM

Octa-core

5000
mAh

(Non removable)

What's the better phone? LG K51S (K510EMW)

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!

K51S (K510EMW)} 11 Advantages LG K51S (K510EMW) vs Galaxy A21s (SM-A217F)} 11 Advantages Samsung Galaxy A21s (SM-A217F)
+2.3GHz 64bit Octa-core (12nm)1%
More powerful processor, you can open your applications faster
vs2GHz 64bit Octa-core (8nm)
+64GB (47GB available)147%
More internal storage for applications and files
vs32GB (19GB available)
+8.26 millimeters (0.33 inches)8%
Thinner
vs8.9 millimeters (0.35 inches)
+TFT IPS LCDAdvantage
TFT IPS LCD display is brighter and more vivid
vsTFT PLS
+6.55"1%
Larger screen
vs6.5"
+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)
+Ambient light sensorAdvantage
Sensors help you use the device
vsVirtual ambient light sensor
+2 slots (Dual-SIM)
(dedicated slot)Advantage
You can have more mobile carriers/operators on the same device.
vs1 slot (Single-SIM)
(dedicated slot)
+DLNAAdvantage
With DLNA technology you can access and play media files on TV, tablet or DLNA compatible device.
vsNot supported
+NFCAdvantage
NFC allows you to make payments by approach quickly and securely
vsNot supported
+MIL-STD-810G military certifiedAdvantage
Protection against water allows you talk to your friends in the rain, for example
vsNot supported
3GB LPDDR3vs+3GB LPDDR4XAdvantage
This RAM type is better and more efficient.
194 grams (6.79 ounces)vs+192 grams (6.72 ounces)1%
Lighter
268 PPIvs+270 PPI1%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
(quad camera) 32MP + 5MP + 2MP + 2MPvs+(quad camera) 48MP + 8MP + 2MP + 2MP46%
Higher resolution main camera
Android 9.0 Pievs+Android 12Advantage
Android 12 is newer and safer
Not supportedvs+Face unlockAdvantage
Sensors help you use the device
Not supportedvs+GyroscopeAdvantage
Sensors help you use the device
4000 mAhvs+5000 mAh25%
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
10Wvs+15W50%
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.
Not supportedvs+FMAdvantage
The radio lets you listen to your songs and sports in general
802.11 a/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

28 Common items in both devices
eMMC 5.1
Until 1TB microSD, microSDXC / Until 512GB microSD, microSDXC
Plastic body, glass front
60Hz
16 million
720x1600 pixels
LED flash
+21 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 K51S (K510EMW)Galaxy A21s (SM-A217F)
ModelK51S (K510EMW)Galaxy A21s (SM-A217F)
Other model namesLG K51s LM-K510EMW, LMK510EMW (Dual-Sim + NFC)Galaxy A21s SM-A217F Single-Sim (32GB + 3GB RAM)
Country or region available(Europe)(Global, International)
(Europe), (Global, International)
South AfricaAustraliaNew Zealand
South Africa, Australia, New Zealand
BrandLGSamsung
Release date4/1/20206/2/2020, Announced: 5/15/2020
Depth8.26 millimeters (0.33 inches)8.9 millimeters (0.35 inches)
Size (width x height)76.7 x 165.2 millimeters (3.02 x 6.5 in)75.3 x 163.7 millimeters (2.96 x 6.44 in)
Weight194 grams (6.79 ounces)192 grams (6.72 ounces)
Build, materialsPlastic body, glass frontPlastic body, glass front
Protection against water and othersMIL-STD-810G military certified: salt, dust, humidity, rain, vibration, solar radiation, transport and thermal shock resistant.Not supported

📲 Display

LG K51S (K510EMW)Galaxy A21s (SM-A217F)
Display typeTFT IPS LCDTFT PLS
Screen size6.55" inches6.5" inches
Screen-to-body ratio~81.7% (screen-to-body ratio)~82.8% (screen-to-body ratio)
Display resolution720x1600 pixels (20:9)720x1600 pixels (20:9)
TouchscreenCapacitive MultitouchCapacitive Multitouch
Pixel density (dot pitch)268 PPI270 PPI
Colors16 million16 million
Scratch-resistant glassNot supportedNot supported
Refresh rate60Hz60Hz
Display features400nits[typ]Not supported

🤖 Operating System

LG K51S (K510EMW)Galaxy A21s (SM-A217F)
System versionAndroid 9.0 PieAndroid 10
Firmware updatefeature not registeredAndroid 12
User Interfacefeature not registeredOne UI 2.0 / 3.1 / 4.1

⚙️ Processor

LG K51S (K510EMW)Galaxy A21s (SM-A217F)
Chipset64bit: MediaTek Helio P35 (MT6765) (12nm)64bit: Samsung Exynos 850 (8nm)
CPUOcta-core, 2 processors:
4x 2.3GHz ARM Cortex-A53 (Quad-core)
4x 1.8GHz ARM Cortex-A53 (Quad-core)
Octa-core, 1 processor:
8x 2GHz ARM Cortex-A55 (Octa-core)
GPU graphical controllerPowerVR GE8320 MP2 (680MHz)ARM Mali-G52 MP1
Performance (benchmark)feature not registeredAnTuTu: 107157 (v8)
Geekbench: 1100 (v5.1)
GFXBench: 11fps (ES 3.1 onscreen)

💽 Memory and storage

LG K51S (K510EMW)Galaxy A21s (SM-A217F)
RAM memory3GB LPDDR33GB LPDDR4X
Internal storage64GB (47GB available)
eMMC 5.1
32GB (19GB available)
eMMC 5.1
External storageUntil 1TB microSD, microSDXC
(dedicated slot)
Until 512GB microSD, microSDXC
(dedicated slot)

📶 Mobile networks

LG K51S (K510EMW)Galaxy A21s (SM-A217F)
Dual-SIMDual-SIM Standby - Call active on one sim card
(dedicated slot)
Not supported
SIM card2 slots (Dual-SIM)
nano-SIM (4FF)
1 slot (Single-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 850/900/1900/2100UMTS 850/900/1900/2100
Primary 4G networkLTE Cat6 (1, 3, 7, 8, 20)
TD-LTE (38)
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+, TD-LTE, LTE, LTE-AGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A
Secondary 2G networkGSM 850/900/1800/1900Not supported
Secondary 3G networkNot supportedNot supported
Secondary 4G networkNot supportedNot supported
Secondary data networkGPRS, EDGENot supported

📷 Camera

LG K51S (K510EMW)Galaxy A21s (SM-A217F)
Back camera (main camera)(quad camera)
32 megapixels
5MP ultrawide f/2.216mm1.12μm115°
2MP macro f/2.422mm1.75μm88.6°
2MP depth f/2.41.75μm
(quad camera)
48 megapixels
8MP ultrawide f/2.21/4"1.12µm123°
2MP macro f/2.4
2MP depth f/2.4
Main camera resolution6528x4896 pixels8000x6000 pixels
Video recording (primary)Full HD (1920x1080) 30 fpsFull HD (1920x1080) 30 fps
FlashLED flashLED flash
Focal aperturef/1.8 (aperture)f/2.0 (aperture)
Focal length24mm lens26mm lens
Sensor sizefeature not registered1/2" inches
Pixel size0.8µm pixel0.8µm pixel
AutofocusPDAF: phase detection autofocusPDAF: 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 on both camerasHDR photo on both cameras
Camera extrasfeature not registeredfeature not registered

📸 Front camera

LG K51S (K510EMW)Galaxy A21s (SM-A217F)
Front camera (secondary)13 megapixels13 megapixels
Front camera resolution4128x3096 pixels4128x3096 pixels
Video recording (secondary)Full HD (1920x1080)Full HD (1920x1080)
Front flashNot supportedNot supported
Focal aperturef/2.0 (aperture)f/2.2 (aperture)
Focal lengthfeature not registeredfeature not registered
Sensor sizefeature not registered1/3.1" inches
Pixel sizefeature not registered1.12µm pixel

🔉 Sound and multimedia

LG K51S (K510EMW)Galaxy A21s (SM-A217F)
LoudspeakerSupportedMono sound (not stereo)
Active noise cancellation2 microphones or more2 microphones or more
RadioNot supportedFM
TVNot supportedNot supported
Video formatsMP4, H.265, 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 K51S (K510EMW)Galaxy A21s (SM-A217F)
USBUSB 2.0 Type-C, USB OTG On-The-GoUSB 2.0 Type-C reversible connector
Audio output3.5mm jack3.5mm jack
TV outputNot supportedNot supported
Bluetooth5.0 + A2DP/LE5.0 + A2DP/LE
WiFi802.11 a/b/g/n [wifi4] (2.4GHz, 5GHz)
WiFi Direct, hotspot
802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO
WiFi Direct, hotspot
DLNASupportedNot supported
GPSA-GPS, GeoTaggingA-GPS, GeoTagging, GLONASS, GALILEO, BeiDou
NFCSupportedNot supported
Infrared portNot supportedNot supported

🧭 Sensors

LG K51S (K510EMW)Galaxy A21s (SM-A217F)
SensorsAccelerometer
Ambient light sensor
Compass
Fingerprint sensor (rear-mounted)
Proximity sensor
Accelerometer
Compass
Face unlock
Fingerprint sensor (rear-mounted)
Gyroscope
Proximity sensor
Virtual ambient light sensor
Vibrating alertSupportedSupported

🔋 Battery

LG K51S (K510EMW)Galaxy A21s (SM-A217F)
Battery typeLiPo: li-ion polymer (Non removable)LiPo: li-ion polymer (Non removable)
Battery capacity4000 mAh5000 mAh
Charger, watts10W (5V/2A) Wired charging15W (9V/1.67A) Wired fast charging
Inductive / wireless chargingNot supportedNot supported
Talk time autonomy10.5 hoursfeature not registered
Standby370 hours (15.4 days)feature not registered

➕ Other features

LG K51S (K510EMW)Galaxy A21s (SM-A217F)
Call controlVoice dialing, Voice recorder, Voice commandsVoice 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: Titanium, Blue, Pink/Red
• Silicone case included
• Google Assistant (dedicated side button)
• DTS:X 3D audio
• Colors: Black, White, Blue, Red

☢️ Radiation rate

LG K51S (K510EMW)Galaxy A21s (SM-A217F)
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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