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Samsung Galaxy M21s (SM-F415F/DS) vs LG K7 (3G)

Side by side comparison between Samsung Galaxy M21s vs LG K7 phones, differences, pros, cons with full specifications. What's the better?

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Compare LG K7 XSamsung Galaxy M21s (SM-F415F/DS)27Points
Samsung Galaxy M21s (SM-F415F/DS)
6.4"
AMOLED

1080x2340

64
MP

32mp

4GB
RAM

64bit Octa

6000
mAh

(Non removable)

vs
LG K7 (3G)
5"
IPS

480x854

5
MP

5mp

1GB
RAM

32bit Quad

2125
mAh

(Removable)

What's the better phone? Samsung Galaxy M21s (SM-F415F/DS)

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 M21s (SM-F415F/DS)27 Advantages Samsung Galaxy M21s (SM-F415F/DS)vsK7 (3G)3 Advantages LG K7 (3G)
+2.3Ghz 64bit Octa-Core142%
More powerful processor, you can open your applications faster
vs1.3Ghz 32bit Quad-Core
+4GB LPDDR4X3 times
More RAM memory. Typically more responsive and better for multitasking.
vs1GB LPDDR2
+64GB (49GB available)11 times
More internal storage for applications and files
vs8GB (4GB available)
+Until 512GB microSD, microSDXC15 times
More external storage for files using memory cards
vsUntil 32GB microSD, microSDHC
+8.9 millimeters (0.35 inches)1%
Thinner
vs9 millimeters (0.35 inches)
+Super AMOLEDAdvantage
Super AMOLED display is brighter and more vivid
vsTFT IPS LCD
+1080x2340 pixels5 times
Higher resolution screen
vs480x854 pixels
+403 PPI106%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
vs196 PPI
+6.4"28%
Larger screen
vs5"
+(triple camera) 64MP + 8MP + 5MP15 times
Higher resolution main camera
vs(back) 5MP
+HDR photo on both camerasAdvantage
The HDR technology produced photos with more detail in dark areas
vsHDR photo only main camera
+(front) 32MP6 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) Full HD (1920x1080)125%
More image quality for recording videos with the secondary camera
vs(front) HD (1280x720)
+Android 10Advantage
Android 10 is newer and safer
vsAndroid 5.1.1 Lollipop
+4G+ LTE-AAdvantage
The 4G+ LTE-A network is newer and faster
vs3G+ HSPA+
+(4G+ LTE-A) 300 Mbps13 times
Faster for surfing the internet and download files
vs(3G+ HSPA+) 21 Mbps
+CompassAdvantage
Sensors help you use the device
vsNot supported
+GyroscopeAdvantage
Sensors help you use the device
vsNot supported
+Fingerprint sensor (rear-mounted)Advantage
Sensors help you use the device
vsNot supported
+Face unlockAdvantage
Sensors help you use the device
vsNot supported
+6000 mAh182%
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
vs2125 mAh
+2 slots (Dual-SIM)
(dedicated slot)Advantage
It's more advantageous to have more than one phone operator in the same device
vs1 slot (Single-SIM)
(dedicated slot)
+Active noise cancellationAdvantage
Noise-canceling microphone allows better call quality
vsNot supported
+802.11 a/b/g/n/ac (2.4Ghz, 5Ghz) + MIMOAdvantage
WiFi 802.11 a/b/g/n/ac (2.4Ghz, 5Ghz) + MIMO is newer and faster
vs802.11 b/g/n (2.4Ghz)
+5.0 + A2DP/LEAdvantage
Bluetooth 5.0 + A2DP/LE is newer and faster
vs4.0 + A2DP
+Type-CAdvantage
Reversible connector, you can stick in a USB-C cable any which way; either side is up.
vsMicroUSB 2.0
191 grams (6.69 ounces)vs+158 grams (5.53 ounces)21%
Lighter
Not supportedvs+Proximity sensorAdvantage
Sensors help you use the device
LiPo: Li-Ion polymer (Non removable)vs+Li-Ion: Lithium-Ion (Removable)Advantage
Removable battery can be replaced easily

16 Common items in both devices
16 million
LED flash
Only digital zoom
PDAF: phase detection autofocus / Autofocus
Capacitive
Multitouch
3.5mm jack
+9 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 featuresSamsung Galaxy M21s (SM-F415F/DS)LG K7 (3G)
ModelGalaxy M21s (SM-F415F/DS)K7 (3G)
Other model namesGalaxy M21s SM-F415F/Dual-Sim (4GB RAM)LG K Series K7 HSPA, LG M1
Country or region available(Latin America)Brazil
(Latin America), Brazil
(Europe)
(Europe)
BrandSamsungLG
Release dateNovember, 2020January, 2016
Depth8.9 millimeters (0.35 inches)9 millimeters (0.35 inches)
Size (width x height)75.1 x 159.2 millimeters (2.96 x 6.27 in)72.39 x 143.51 millimeters (2.85 x 5.65 in)
Weight191 grams (6.69 ounces)158 grams (5.53 ounces)
Qwerty physical keyboardNot supportedNot supported
AntennaInternal antennaInternal antenna
Build, materialsPlastic body, glass frontfeature not registered
Protection against water and othersNot supportedNot supported
System (OS)Samsung Galaxy M21s (SM-F415F/DS)LG K7 (3G)
Operating systemAndroid 10Android 5.1.1 Lollipop
Firmware updatefeature not registeredfeature not registered
HardwareSamsung Galaxy M21s (SM-F415F/DS)LG K7 (3G)
Chipset64bit - Samsung Exynos 9 Octa 9611 (10nm)32bit - MediaTek MT6580M (28nm)
CPU processorOcta-Core, 2 processors:
2.3Ghz Quad-Core ARM Cortex-A73
1.7Ghz Quad-Core ARM Cortex-A53
1.3Ghz Quad-Core ARM Cortex-A7
GPU graphical controllerARM Mali-G72 MP3ARM Mali-400 MP2 400Mhz
RAM memory4GB LPDDR4X1GB LPDDR2
Internal storage64GB (49GB available)
eMMC 5.1
8GB (4GB available)
External storageUntil 512GB microSD, microSDXC
(dedicated slot)
Until 32GB microSD, microSDHC
(dedicated slot)
DisplaySamsung Galaxy M21s (SM-F415F/DS)LG K7 (3G)
Display typeSuper AMOLEDTFT IPS LCD
Screen size6.4" inches5" inches
Screen-to-body ratio~84.1% (screen-to-body ratio)~66.3% (screen-to-body ratio)
Display resolution1080x2340 pixels (19.5:9)480x854 pixels
TouchscreenCapacitive MultitouchCapacitive Multitouch
Pixel density (dot pitch)403 PPI196 PPI
Colors16 million16 million
Scratch-resistant glassNot supportedNot supported
Display features60Hz, 420 nitsfeature not registered
Mobile networksSamsung Galaxy M21s (SM-F415F/DS)LG K7 (3G)
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 Mbps21/5.76 Mbps
Network technology2G, 3G, 4G2G, 3G
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 850/900/1700/1900/2100UMTS 850/900/1900/2100
Primary 4G networkLTE Cat6 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 26, 28, 66)
TD-LTE (38, 40, 41)
VoLTE
Not supported
Primary 5G networkNot supportedNot supported
Primary data networkGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-AGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+
Secondary 2G networkGSM 850/900/1800/1900Not supported
Secondary 3G networkNot supportedNot supported
Secondary 4G networkNot supportedNot supported
Secondary data networkGPRS, EDGENot supported
CallingSamsung Galaxy M21s (SM-F415F/DS)LG K7 (3G)
MessagingSMS (T9), MMS, E-mail, Push mailSMS (T9), MMS, E-mail, Push mail
SpeakerphoneSupportedSupported
Video callingSupportedSupported
Call controlVoice dialing, Voice recorder, Voice commandsVoice dialing, Voice recorder
CameraSamsung Galaxy M21s (SM-F415F/DS)LG K7 (3G)
Back camera (main camera)(triple camera)
64 megapixels
8MP ultrawidef/2.2123º12mm1/4.0"1.12µm
5MP depthf/2.2
5 megapixels
Main camera resolution10120x6328 pixels2560x1920 pixels
Video recording (primary)4K UHD (3840x2160) 30 fpsFull HD (1920x1080) 30 fps
FlashLED flashLED flash
Focal aperturef/1.8 (aperture)feature not registered
Focal length26mm lensfeature not registered
Sensor size1/1.72" inchesfeature not registered
Pixel size0.8µm pixelfeature not registered
AutofocusPDAF: phase detection autofocusAutofocus
Touch focusSupportedSupported
Image stabilizationEIS: Digital stabilizationfeature not registered
ZoomOnly digital zoomOnly digital zoom
Face/smile detectionFace detection, Smile detectionFace detection, Smile detection
BSI sensorNot supportedNot supported
HDRHDR photo on both camerasHDR photo only main camera
2ª cameraSamsung Galaxy M21s (SM-F415F/DS)LG K7 (3G)
Front camera (secondary)32 megapixels5 megapixels
Front camera resolution6528x4896 pixels2560x1920 pixels
Video recording (secondary)Full HD (1920x1080)HD (1280x720)
Front flashNot supportedNot supported
Focal aperturef/2.0 (aperture)feature not registered
Focal length26mm lensfeature not registered
Sensor size1/2.8" inchesfeature not registered
Pixel size0.8µm pixelfeature not registered
MultimediaSamsung Galaxy M21s (SM-F415F/DS)LG K7 (3G)
RadioFM (RDS)FM
TVNot supportedNot supported
Video formatsMP4, H.265, H.264, H.263, XviD, MKVMP4, H.265, H.264, H.263, XviD
Audio formatsMP3, WAV, WMA, eAAC+, FLACMP3, WAV, eAAC+, FLAC
ConnectivitySamsung Galaxy M21s (SM-F415F/DS)LG K7 (3G)
USBUSB 2.0 Type-C reversible connectorMicroUSB 2.0
TV outputNot supportedNot supported
Audio output3.5mm jack3.5mm jack
Bluetooth5.0 + A2DP/LE4.0 + A2DP
WiFi802.11 a/b/g/n/ac (2.4Ghz, 5Ghz) + MIMO802.11 b/g/n (2.4Ghz)
DLNANot supportedNot supported
NFCNot supportedNot supported
GPSA-GPS, GeoTagging, GLONASS, GALILEO, BeiDouA-GPS, GeoTagging
Infrared portNot supportedNot supported
Other functionsSamsung Galaxy M21s (SM-F415F/DS)LG K7 (3G)
Active noise cancellationSupportedNot supported
Vibrating alertSupportedSupported
RingtonesPolyphonic and customizedPolyphonic and customized
Web browserHTML, XHTML, HTML5HTML, XHTML, HTML5
SensorsAccelerometer
Compass
Ambient Light sensor
Gyroscope
Face unlock
Fingerprint sensor (rear-mounted)
Accelerometer
Proximity sensor
Ambient Light sensor
Other features- Colors: Black, Blue
- One UI 2.5
- Stereo sound not supported
- DeX not supported
- WiFi direct, hotspot
- Colors: Black, White, Gold, Titan
- 2.5D Arc Glass
- Knock Code, Knock On
- Take still shots while recording video
- WiFi direct, hotspot
Power supplySamsung Galaxy M21s (SM-F415F/DS)LG K7 (3G)
BatteryLiPo: Li-Ion polymer (Non removable)Li-Ion: Lithium-Ion (Removable)
Battery capacity6000 mAh2125 mAh
Charger, watts15W Fast battery charging Standard charging
Talk time autonomy2880 minutes | 48 hours | 2 days420 minutes | 7 hours | 0.3 day
Standbyfeature not registered21000 minutes | 350 hours | 14.6 days
Radiation rateSamsung Galaxy M21s (SM-F415F/DS)LG K7 (3G)
SAR 1.6W/kg (USA, Mexico, etc.)0.383W/kg (head)feature not registered
SAR 2W/kg (Europe, UK, etc.)feature not registered0.435W/kg (head)
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