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Samsung Galaxy S21 vs LG K7 (4G K330)

Side by side comparison between Samsung Galaxy S21 vs LG K7 phones, differences, pros, cons with full specifications. What's the better?

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Compare LG K7 XSamsung Galaxy S2135Points
Samsung Galaxy S21
6.2"
AMOLED

1080x2400

12.2
MP

10mp

8GB
RAM

64bit Octa

4000
mAh

(Non removable)

vs
LG K7 (4G K330)
5"
IPS

480x854

5
MP

5mp

1.5GB
RAM

32bit Quad

2045
mAh

(Removable)

What's the better phone? Samsung Galaxy S21

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 S2135 Advantages Samsung Galaxy S21vsK7 (4G K330)4 Advantages LG K7 (4G K330)
+2.9Ghz 64bit Octa-Core3 times
More powerful processor, you can open your applications faster
vs1.1Ghz 32bit Quad-Core
+8GB LPDDR54 times
More RAM memory. Typically more responsive and better for multitasking.
vs1.5GB LPDDR3
+128GB (104GB available)25 times
More internal storage for applications and files
vs8GB (4GB available)
+7.9 millimeters (0.31 inches)13%
Thinner
vs8.9 millimeters (0.35 inches)
+Dynamic AMOLEDAdvantage
Dynamic AMOLED display is brighter and more vivid
vsTFT IPS LCD
+1080x2400 pixels5 times
Higher resolution screen
vs480x854 pixels
+424 PPI116%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
vs196 PPI
+6.2"24%
Larger screen
vs5"
+(triple camera) 12.2MP + 64MP + 12MP17 times
Higher resolution main camera
vs(back) 5MP
+Digital and optical zoomAdvantage
The zoom allows for better focus and approach to take pictures
vsOnly digital zoom
+BSI sensorAdvantage
The BSI sensor allows the entry of more light generating photos with more detail and brightness
vsNot supported
+HDR photo/video on both camerasAdvantage
The HDR technology produced photos with more detail in dark areas
vsHDR photo only main camera
+(front) 10MP104%
Higher resolution secondary camera to take pictures and selfies
vs(front) 5MP
+8K UHD (7680x4320)35 times
More image quality for recording videos with the primary camera
vsHD (1280x720)
+(front) 4K UHD (3840x2160)8 times
More image quality for recording videos with the secondary camera
vs(front) HD (1280x720)
+Android 11Advantage
Android 11 is newer and safer
vsAndroid 5.1.1 Lollipop
+5G NRAdvantage
The 5G NR network is newer and faster
vs4G LTE
+(5G NR) 5000 Mbps32 times
Faster for surfing the internet and download files
vs(4G LTE) 150 Mbps
+CompassAdvantage
Sensors help you use the device
vsNot supported
+GyroscopeAdvantage
Sensors help you use the device
vsNot supported
+BarometerAdvantage
Sensors help you use the device
vsNot supported
+Fingerprint sensor (under display)Advantage
Sensors help you use the device
vsNot supported
+Face unlockAdvantage
Sensors help you use the device
vsNot supported
+ANT+Advantage
Sensors help you use the device
vsNot supported
+4000 mAh96%
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
vs2045 mAh
+2 slots (Dual-SIM) + e-SIM (Eletronic)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/ax wifi6 (2.4Ghz, 5Ghz) + MIMOAdvantage
WiFi 802.11 a/b/g/n/ac/ax wifi6 (2.4Ghz, 5Ghz) + MIMO is newer and faster
vs802.11 b/g/n (2.4Ghz)
+DLNAAdvantage
With DLNA technology you can access and play media files on TV, tablet or DLNA compatible device.
vsNot supported
+5.0 + A2DP/LEAdvantage
Bluetooth 5.0 + A2DP/LE is newer and faster
vs4.1 + A2DP
+NFCAdvantage
NFC allows you to make payments by approach quickly and securely
vsNot supported
+USB 3.2 Type-C, USB OTG On-The-GoAdvantage
Newer and faster USB version for transferring photos, mp3 or data.
vsMicroUSB 2.0
+Type-CAdvantage
Reversible connector, you can stick in a USB-C cable any which way; either side is up.
vsMicroUSB 2.0
+Gorilla Glass VictusAdvantage
Protection against scratches on the screen lets you carry your phone with your keys
vsNot supported
+IP68 certifiedAdvantage
Protection against water allows you talk to your friends in the rain, for example
vsNot supported
Not supportedvs+Until 32GB microSD, microSDHCAdvantage
More external storage for files using memory cards
169 grams (5.92 ounces)vs+138 grams (4.83 ounces)22%
Lighter
Type-C reversible connectorvs+3.5mm jackAdvantage
Headsets with 3.5mm Jack size are more common and easy to find in stores
LiPo: Li-Ion polymer (Non removable)vs+Li-Ion: Lithium-Ion (Removable)Advantage
Removable battery can be replaced easily

14 Common items in both devices
16 million
LED flash
PDAF: phase detection autofocus on both cameras / Autofocus
Capacitive
Multitouch
Accelerometer
Proximity sensor
+7 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 S21LG K7 (4G K330)
ModelGalaxy S21K7 (4G K330)
Other model namesGalaxy S21 5G SM-G991B/DST-Mobile LG K7 K330 LTE, LG K330, LG M1
Country or region available(Global, International)
(Global, International)
USA
USA
BrandSamsungLG
Release dateJanuary, 2021January, 2016
Depth7.9 millimeters (0.31 inches)8.9 millimeters (0.35 inches)
Size (width x height)71.2 x 151.7 millimeters (2.8 x 5.97 in)72.39 x 143.51 millimeters (2.85 x 5.65 in)
Weight169 grams (5.92 ounces)138 grams (4.83 ounces)
Qwerty physical keyboardNot supportedNot supported
AntennaInternal antennaInternal antenna
Build, materialsAluminum body, glass front, plastic backfeature not registered
Protection against water and othersIP68 certified: dust proof and waterproof over 1.5 meters and 30minNot supported
System (OS)Samsung Galaxy S21LG K7 (4G K330)
Operating systemAndroid 11Android 5.1.1 Lollipop
Firmware updatefeature not registeredfeature not registered
HardwareSamsung Galaxy S21LG K7 (4G K330)
Chipset64bit - Samsung Exynos 2100 (5nm)32bit - Qualcomm Snapdragon 210 MSM8909 (28nm)
CPU processorOcta-Core, 3 processors:
2.9Ghz Single-Core ARM Cortex-X1
2.8Ghz 3-Cores ARM Cortex-A78
2.2Ghz Quad-Core ARM Cortex-A55
1.1Ghz Quad-Core ARM Cortex-A7
GPU graphical controllerARM Mali-G78 MP14Qualcomm Adreno 304
RAM memory8GB LPDDR51.5GB LPDDR3
Internal storage128GB (104GB available)
UFS 3.0
8GB (4GB available)
External storageNot supportedUntil 32GB microSD, microSDHC
(dedicated slot)
DisplaySamsung Galaxy S21LG K7 (4G K330)
Display typeDynamic AMOLEDTFT IPS LCD
Screen size6.2" inches5" inches
Screen-to-body ratio~85.9% (screen-to-body ratio)~66.3% (screen-to-body ratio)
Display resolution1080x2400 pixels (20:9)480x854 pixels
TouchscreenCapacitive Multitouch 10-pointsCapacitive Multitouch
Pixel density (dot pitch)424 PPI196 PPI
Colors16 million16 million
Scratch-resistant glassGorilla Glass VictusNot supported
Display features120Hz, 1300 nits, HDR10+feature not registered
Mobile networksSamsung Galaxy S21LG K7 (4G K330)
Dual-SIMDual-SIM Standby - Call active on one sim cardNot supported
SIM card2 slots (Dual-SIM)
nano-SIM (4FF) + e-SIM
1 slot (Single-SIM)
nano-SIM (4FF)
Maximum download/upload5000/1920 Mbps150/50 Mbps
Network technology2G, 3G, 4G, 5G2G, 3G, 4G
Frequency, bandsExpand band detailsCollapse details
GSM Mhz bandQuad-Band 850/900/1800/1900Quad-Band 850/900/1800/1900
Primary 2G networkCDMA 800/1900, GSM 850/900/1800/1900GSM 850/900/1800/1900
Primary 3G networkCDMA2000 1xEV-DO
TD-SCDMA 1900/2000
UMTS 850/900/1700/1900/2100
UMTS 850/1700/1900
Primary 4G networkLTE Cat24 ()
TD-LTE ()
VoLTE
LTE Cat4 700/1700/1900/2100 (Bands 2,4,12)
Primary 5G networkSA/NSA/Sub6 ()Not supported
Primary data networkGPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, TD-SCDMA, UMTS, TD-HSDPA, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, 5G SA/NSA, 5G NRGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE
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 S21LG K7 (4G K330)
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 S21LG K7 (4G K330)
Back camera (main camera)(triple camera)
12.2 megapixels
64MP telephotof/2.029mm1/1.72"0.8µmPDAFOIS1.1x-optical-zoom3x-hybrid-zoom
12MP ultrawidef/2.213mm120º1/2.55"1.4µmSuper-Steady-video
5 megapixels
Main camera resolution4032x3024 pixels2560x1920 pixels
Video recording (primary)8K UHD (7680x4320) 24 fpsHD (1280x720) 30 fps
FlashLED flashLED flash
Focal aperturef/1.8 (aperture)feature not registered
Focal length26mm lensfeature not registered
Sensor size1/1.76" inchesfeature not registered
Pixel size1.8µm pixelfeature not registered
AutofocusPDAF: phase detection autofocus on both camerasAutofocus
Touch focusSupportedSupported
Image stabilizationOIS: Optical stabilizationfeature not registered
ZoomDigital and optical zoomOnly digital zoom
Face/smile detectionFace detection, Smile detectionFace detection, Smile detection
BSI sensorSupportedNot supported
HDRHDR photo/video on both camerasHDR photo only main camera
2ª cameraSamsung Galaxy S21LG K7 (4G K330)
Front camera (secondary)10 megapixels5 megapixels
Front camera resolution3872x2592 pixels2560x1920 pixels
Video recording (secondary)4K UHD (3840x2160)HD (1280x720)
Front flashNot supportedNot supported
Focal aperturef/2.2 (aperture)feature not registered
Focal length26mm lensfeature not registered
Sensor size1/3.24" inchesfeature not registered
Pixel size1.22µm pixelfeature not registered
MultimediaSamsung Galaxy S21LG K7 (4G K330)
RadioFMFM
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 S21LG K7 (4G K330)
USBUSB 3.2 Type-C, USB OTG On-The-GoMicroUSB 2.0
TV outputUSB Type-C (reversible)Not supported
Audio outputType-C reversible connector3.5mm jack
Bluetooth5.0 + A2DP/LE4.1 + A2DP
WiFi802.11 a/b/g/n/ac/ax wifi6 (2.4Ghz, 5Ghz) + MIMO802.11 b/g/n (2.4Ghz)
DLNASupportedNot supported
NFCSupportedNot supported
GPSA-GPS, GeoTagging, GLONASS, GALILEO, BeiDouA-GPS, GeoTagging
Infrared portNot supportedNot supported
Other functionsSamsung Galaxy S21LG K7 (4G K330)
Active noise cancellationSupportedNot supported
Vibrating alertSupportedSupported
RingtonesPolyphonic and customizedPolyphonic and customized
Web browserHTML, XHTML, HTML5HTML, XHTML, HTML5
SensorsAccelerometer
Proximity sensor
Compass
Ambient Light sensor
Gyroscope
Barometer
Gesture
Hall effect
Face unlock
Fingerprint sensor (under display)
ANT+
Accelerometer
Proximity sensor
Ambient Light sensor
Other features- Colors: Phantom Gray, White, Violet, Pink
- One UI 3.1
- Always-on display
- Tuned by AKG
- 32-bit/384kHz audio
- Samsung Pay (Visa, MasterCard)
- Samsung DeX
- 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 S21LG K7 (4G K330)
BatteryLiPo: Li-Ion polymer (Non removable)Li-Ion: Lithium-Ion (Removable)
Battery capacity4000 mAh2045 mAh
Charger, watts25W Fast battery charging
15W Qi wireless charging (Qi/PMA)
4.5W Reverse wireless charging between devices
USB Power Delivery 3.0
Standard charging
Talk time autonomyfeature not registered660 minutes | 11 hours | 0.5 day
Standbyfeature not registered18720 minutes | 312 hours | 13 days
Radiation rateSamsung Galaxy S21LG K7 (4G K330)
SAR 1.6W/kg (USA, Mexico, etc.)feature not registeredfeature not registered
SAR 2W/kg (Europe, UK, etc.)0.456W/kg (head) | 1.509W/kg (body)feature not registered
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