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LG Q51 (Q510N) vs Samsung Galaxy A21s (SM-A217F/DSN 64GB/6GB)

Side by side comparison between LG Q51 vs Samsung Galaxy A21s phones, differences, pros, cons with full specifications. What's the better?

,
LG Q51 (Q510N)
6.5"
IPS

720x1560

13
MP

13mp

3GB
RAM

64bit Octa

4000
mAh

(Non removable)

vs
13PointsSamsung Galaxy A21s (SM-A217F/DSN 64GB/6GB)Compare LG Q51 X
Samsung Galaxy A21s (SM-A217F/DSN 64GB/6GB)
6.5"
PLS

720x1600

48
MP

13mp

6GB
RAM

64bit Octa

5000
mAh

(Non removable)

What's the better phone? Samsung Galaxy A21s (SM-A217F/DSN 64GB/6GB)

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!

Q51 (Q510N)7 Advantages LG Q51 (Q510N)vsGalaxy A21s (SM-A217F/DSN 64GB/6GB)13 Advantages Samsung Galaxy A21s (SM-A217F/DSN 64GB/6GB)
+Until 1TB microSD, microSDXC100%
More external storage for files using memory cards
vsUntil 512GB microSD, microSDXC
+8.47 millimeters (0.33 inches)5%
Thinner
vs8.9 millimeters (0.35 inches)
+TFT IPS LCDAdvantage
TFT IPS LCD display is brighter and more vivid
vsTFT PLS
+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
vsNot supported
+Panda King GlassAdvantage
Protection against scratches on the screen lets you carry your phone with your keys
vsNot supported
+MIL-STD-810G military certifiedAdvantage
Protection against water allows you talk to your friends in the rain, for example
vsNot supported
2Ghz 64bit Octa-Corevs+2Ghz 64bit Octa-Core26%
More powerful processor, you can open your applications faster
3GB LPDDR3vs+6GB LPDDR4X100%
More RAM memory. Typically more responsive and better for multitasking.
32GB (16GB available)vs+64GB (48GB available)2 times
More internal storage for applications and files
204 grams (7.14 ounces)vs+192 grams (6.72 ounces)6%
Lighter
720x1560 pixelsvs+720x1600 pixels3%
Higher resolution screen
264 PPIvs+270 PPI2%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
(triple camera) 13MP + 5MP + 2MPvs+(quad camera) 48MP + 8MP + 2MP + 2MP2 times
Higher resolution main camera
1/3" inchesvs+1/2" inches50%
The larger sensor camera lets you take photos with better depth.
Android 9.0 Pievs+Android 10Advantage
Android 10 is newer and safer
Not supportedvs+Face unlockAdvantage
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.
1 slot (Single-SIM)
(dedicated slot)
vs+2 slots (Dual-SIM)
(dedicated slot)Advantage
It's more advantageous to have more than one phone operator in the same device

35 Common items in both devices
eMMC 5.1
Plastic body, glass front
60Hz
16 million
6.5"
LED flash
Only digital zoom
+28 specs and more in the table below

Check the comparison table below for more items that are not evaluated in comparison score above.

Highlight differencesClear highlight
Physical featuresLG Q51 (Q510N)Samsung Galaxy A21s (SM-A217F/DSN 64GB/6GB)
ModelQ51 (Q510N)Galaxy A21s (SM-A217F/DSN 64GB/6GB)
Other model namesLG Q51 LM-Q510N, LMQ510N (Q 시리즈)Galaxy A21s SM-A217F/Dual-Sim NFC (64GB + 6GB RAM)
Country or region availableSouth Korea
South Korea
Hong Kong
Hong Kong
BrandLGSamsung
Release dateFebruary, 2020June, 2020
Depth8.47 millimeters (0.33 inches)8.9 millimeters (0.35 inches)
Size (width x height)77.92 x 166.96 millimeters (3.07 x 6.57 in)75.3 x 163.7 millimeters (2.96 x 6.44 in)
Weight204 grams (7.14 ounces)192 grams (6.72 ounces)
Qwerty physical keyboardNot supportedNot supported
AntennaInternal antennaInternal antenna
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
System (OS)LG Q51 (Q510N)Samsung Galaxy A21s (SM-A217F/DSN 64GB/6GB)
Operating systemAndroid 9.0 PieAndroid 10
Firmware updatefeature not registeredfeature not registered
HardwareLG Q51 (Q510N)Samsung Galaxy A21s (SM-A217F/DSN 64GB/6GB)
Chipset64bit - MediaTek MT6762 Helio P22 (12nm)64bit - Samsung Exynos 850 Octa (8nm)
CPU processorOcta-Core, 2 processors:
2Ghz Quad-Core ARM Cortex-A53
1.5Ghz Quad-Core ARM Cortex-A53
Octa-Core, 2 processors:
2Ghz Quad-Core ARM Cortex-A55
2Ghz Quad-Core ARM Cortex-A55
GPU graphical controllerPowerVR GE8320 650MhzARM Mali-G52 MP1
RAM memory3GB LPDDR36GB LPDDR4X
Internal storage32GB (16GB available)
eMMC 5.1
64GB (48GB available)
eMMC 5.1
External storageUntil 1TB microSD, microSDXC
(dedicated slot)
Until 512GB microSD, microSDXC
(dedicated slot)
DisplayLG Q51 (Q510N)Samsung Galaxy A21s (SM-A217F/DSN 64GB/6GB)
Display typeTFT IPS LCDTFT PLS
Screen size6.5" inches6.5" inches
Screen-to-body ratio~79.7% (screen-to-body ratio)~82.8% (screen-to-body ratio)
Display resolution720x1560 pixels (19.5:9)720x1600 pixels (20:9)
TouchscreenCapacitive MultitouchCapacitive Multitouch
Pixel density (dot pitch)264 PPI270 PPI
Colors16 million16 million
Scratch-resistant glassPanda King GlassNot supported
Display features60Hz60Hz
Mobile networksLG Q51 (Q510N)Samsung Galaxy A21s (SM-A217F/DSN 64GB/6GB)
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, bandsExpand band detailsCollapse 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 800/850/900/1900/2100UMTS 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 networkNot supportedGSM 850/900/1800/1900
Secondary 3G networkNot supportedNot supported
Secondary 4G networkNot supportedNot supported
Secondary data networkNot supportedGPRS, EDGE
CallingLG Q51 (Q510N)Samsung Galaxy A21s (SM-A217F/DSN 64GB/6GB)
MessagingSMS (T9), MMS, E-mail, Push mailSMS (T9), MMS, E-mail, Push mail
SpeakerphoneSupportedSupported
Video callingSupportedSupported
Call controlVoice dialing, Voice recorderVoice dialing, Voice recorder, Voice commands
CameraLG Q51 (Q510N)Samsung Galaxy A21s (SM-A217F/DSN 64GB/6GB)
Back camera (main camera)(triple camera)
• 13 megapixels
• 5MP ultrawide (f/2.2 1.12μm 1/5" 115º)
• 2MP depth sensor (f/2.4 1.75μm 1/5" 85º)
(quad camera)
• 48 megapixels
• 8MP ultrawide (f/2.2 1/4" 1.12µm 123º)
• 2MP macro (f/2.4)
• 2MP depth sensor (f/2.4)
Main camera resolution4128x3096 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 length26mm lens26mm lens
Sensor size1/3" inches1/2" inches
Pixel size1.12µm 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
2ª cameraLG Q51 (Q510N)Samsung Galaxy A21s (SM-A217F/DSN 64GB/6GB)
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 size1/3" inches1/3.1" inches
Pixel size1.12µm pixel1.12µm pixel
MultimediaLG Q51 (Q510N)Samsung Galaxy A21s (SM-A217F/DSN 64GB/6GB)
RadioFMFM
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
ConnectivityLG Q51 (Q510N)Samsung Galaxy A21s (SM-A217F/DSN 64GB/6GB)
USBUSB 2.0 Type-C, USB OTG On-The-GoUSB 2.0 Type-C reversible connector
TV outputNot supportedNot supported
Audio output3.5mm jack3.5mm jack
Bluetooth5.0 + A2DP/LE5.0 + A2DP/LE
WiFi802.11 a/b/g/n/ac (2.4Ghz, 5Ghz) + MIMO802.11 a/b/g/n/ac (2.4Ghz, 5Ghz) + MIMO
DLNANot supportedNot supported
NFCSupportedSupported
GPSA-GPS, GeoTagging, GLONASSA-GPS, GeoTagging, GLONASS, GALILEO, BeiDou
Infrared portNot supportedNot supported
Other functionsLG Q51 (Q510N)Samsung Galaxy A21s (SM-A217F/DSN 64GB/6GB)
Active noise cancellationSupportedSupported
Vibrating alertSupportedSupported
RingtonesPolyphonic and customizedPolyphonic and customized
Web browserHTML, XHTML, HTML5HTML, XHTML, HTML5
SensorsAccelerometer
Proximity sensor
Compass
Ambient Light sensor
Gyroscope
Fingerprint sensor (rear-mounted)
Accelerometer
Proximity sensor
Compass
Gyroscope
Face unlock
Fingerprint sensor (rear-mounted)
Other features- Colors: Titan gray, White
- Google Assistant
- DTS:X 3D surround sound
- WiFi direct, hotspot
- Colors: Black, White, Blue, Red
- One UI 2.0
- WiFi direct, hotspot
Power supplyLG Q51 (Q510N)Samsung Galaxy A21s (SM-A217F/DSN 64GB/6GB)
BatteryLiPo: Li-Ion polymer (Non removable)LiPo: Li-Ion polymer (Non removable)
Battery capacity4000 mAh5000 mAh
Charger, watts• 10W (5V/2A) Standard charging• 15W (9V/1.67A) Fast battery charging
Talk time autonomy1260 minutes | 21 hours | 0.9 dayfeature not registered
Standby34560 minutes | 576 hours | 24 daysfeature not registered
Radiation rateLG Q51 (Q510N)Samsung Galaxy A21s (SM-A217F/DSN 64GB/6GB)
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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