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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 and full specifications. What's the better?

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

1080x2340

64
MP

32mp

4GB
RAM

Octa-core

6000
mAh

(Non removable)

vs
5"
IPS

480x854

5
MP

5mp

1GB
RAM

Quad-core

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) vs K7 (3G)} 3 Advantages LG K7 (3G)
+2.3GHz 64bit Octa-core (10nm)138%
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 12Advantage
Android 12 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
+Face unlockAdvantage
Sensors help you use the device
vsNot supported
+Fingerprint sensor (rear-mounted)Advantage
Sensors help you use the device
vsNot supported
+GyroscopeAdvantage
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
You can have more mobile carriers/operators on the same device.
vs1 slot (Single-SIM)
(dedicated slot)
+802.11 a/b/g/n/ac [wifi5]Advantage
WiFi 802.11 a/b/g/n/ac [wifi5] is newer and faster
vs802.11 b/g/n [wifi4]
+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
+Gorilla Glass 3Advantage
Protection against scratches on the screen lets you carry your phone with your keys
vsNot supported
191 grams (6.69 ounces)vs+158 grams (5.53 ounces)21%
Lighter
Virtual proximity sensorvs+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

13 Common items in both devices
16 million
LED flash
Only digital zoom
PDAF: phase detection autofocus / Autofocus
Capacitive
Multitouch
Accelerometer
+6 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

Galaxy M21s (SM-F415F/DS)LG K7 (3G)
Change model 
ModelGalaxy M21s (SM-F415F/DS)LG 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 date11/6/20201/19/2016
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)
Build, materialsPlastic body, glass frontfeature not registered
Protection against water and othersNot supportedNot supported

📲 Display

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 glassGorilla Glass 3Not supported
Refresh rate60Hzfeature not registered
Display features420nits[peak]feature not registered

🤖 Operating System

Galaxy M21s (SM-F415F/DS)LG K7 (3G)
System versionAndroid 10Android 5.1.1 Lollipop
Firmware updateAndroid 12feature not registered
User InterfaceOne UI 2.5 / 3.1 / 4.1feature not registered

⚙️ Processor

Galaxy M21s (SM-F415F/DS)LG K7 (3G)
Chipset64bit: Samsung Exynos 9611 (10nm)32bit: MediaTek MT6580M (28nm)
CPUOcta-core, 2 processors:
4x 2.3GHz ARM Cortex-A73 (Quad-core)
4x 1.7GHz ARM Cortex-A53 (Quad-core)
Quad-core, 1 processor:
4x 1.3GHz ARM Cortex-A7 (Quad-core)
GPU graphical controllerARM Mali-G72 MP3 (850MHz)ARM Mali-400 MP2 400Mhz
Performance (benchmark)feature not registeredfeature not registered

💽 Memory and storage

Galaxy M21s (SM-F415F/DS)LG K7 (3G)
RAM memory4GB LPDDR4X1GB LPDDR2
Internal storage64GB (49GB available)
UFS 2.1
8GB (4GB available)
External storageUntil 512GB microSD, microSDXC
(dedicated slot)
Until 32GB microSD, microSDHC
(dedicated slot)

📶 Mobile networks

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, 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 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 networkUMTS 850/900/1700/1900/2100Not supported
Secondary 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
Secondary data networkGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-ANot supported

📷 Camera

Galaxy M21s (SM-F415F/DS)LG K7 (3G)
Back camera (main camera)(triple camera)
64 megapixels
8MP ultrawide f/2.2123°12mm1/4"1.12µm
5MP depth f/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 sensorSupportedNot supported
HDRHDR photo on both camerasHDR photo only main camera
Camera extras4K@30fps
1080p@30fps
feature not registered

📸 Front camera

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

🔉 Sound and multimedia

Galaxy M21s (SM-F415F/DS)LG K7 (3G)
LoudspeakerMono sound (not stereo)Supported
Active noise cancellation2 microphones or moreNot supported
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

🔌 Connectivity

Galaxy M21s (SM-F415F/DS)LG K7 (3G)
USBUSB 2.0 Type-C reversible connectorMicroUSB 2.0
Audio output3.5mm jack3.5mm jack
TV outputNot supportedNot supported
Bluetooth5.0 + A2DP/LE4.0 + A2DP
WiFi802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO
WiFi Direct, hotspot
802.11 b/g/n [wifi4] (2.4GHz)
WiFi Direct, hotspot
DLNANot supportedNot supported
GPSA-GPS, GeoTagging, GLONASS, GALILEO, BeiDouA-GPS, GeoTagging
NFCNot supportedNot supported
Infrared portNot supportedNot supported

🧭 Sensors

Galaxy M21s (SM-F415F/DS)LG K7 (3G)
SensorsAccelerometer
Ambient light sensor
Compass
Face unlock
Fingerprint sensor (rear-mounted)
Gyroscope
Virtual proximity sensor
Accelerometer
Ambient light sensor
Proximity sensor
Vibrating alertSupportedSupported

🔋 Battery

Galaxy M21s (SM-F415F/DS)LG K7 (3G)
Battery typeLiPo: li-ion polymer (Non removable)Li-Ion: lithium-ion (Removable)
Battery capacity6000 mAh2125 mAh
Charger, watts15W Wired fast chargingWired charging
Inductive / wireless chargingNot supportedfeature not registered
Talk time autonomy48 hours (2 days)7 hours
Standbyfeature not registered350 hours (14.6 days)

➕ Other features

Galaxy M21s (SM-F415F/DS)LG K7 (3G)
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
Miscellaneous• Colors: Black, Blue• Colors: Black, White, Gold, Titan
• 2.5D Arc Glass
• Knock Code, Knock On
• Take still shots while recording video

☢️ Radiation rate

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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