Skip to content

Samsung W21 5G vs LG K7 (4G K330)

Side by side comparison between Samsung W21 5G vs LG K7 phones, differences, pros, cons with full specifications. What's the better?

,
Samsung W21 5G
7.6"
AMOLED

17x1768

12.2
MP

10mp

12GB
RAM

64bit Octa

4500
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 W21 5G

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!

W21 5G32 Advantages Samsung W21 5GvsK7 (4G K330)6 Advantages LG K7 (4G K330)
+3.09Ghz 64bit Octa-Core3 times
More powerful processor, you can open your applications faster
vs1.1Ghz 32bit Quad-Core
+12GB LPDDR57 times
More RAM memory. Typically more responsive and better for multitasking.
vs1.5GB LPDDR3
+512GB (455GB available)113 times
More internal storage for applications and files
vs8GB (4GB available)
+6.9 millimeters (0.27 inches)29%
Thinner
vs8.9 millimeters (0.35 inches)
+Flexible Super AMOLEDAdvantage
Flexible Super AMOLED display is brighter and more vivid
vsTFT IPS LCD
+233 PPI19%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
vs196 PPI
+7.6"52%
Larger screen
vs5"
+(triple camera) 12.2MP + 12MP + 12MP6 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
+4K UHD (3840x2160)8 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 SA/NSAAdvantage
The 5G SA/NSA network is newer and faster
vs4G LTE
+(5G SA/NSA) 2000 Mbps12 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 (side-mounted)Advantage
Sensors help you use the device
vsNot supported
+Face unlockAdvantage
Sensors help you use the device
vsNot supported
+4500 mAh120%
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
vs2045 mAh
+2 slots (Dual-SIM)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
Not supportedvs+Until 32GB microSD, microSDHCAdvantage
More external storage for files using memory cards
282 grams (9.87 ounces)vs+138 grams (4.83 ounces)104%
Lighter
17x1768 pixelsvs+480x854 pixels13 times
Higher resolution screen
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
Not supportedvs+FMAdvantage
The radio lets you listen to your songs and sports in general

13 Common items in both devices
16 million
LED flash
PDAF: phase detection autofocus / Autofocus
Capacitive
Multitouch
Accelerometer
Proximity sensor
+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 differencesClear highlight
Physical featuresSamsung W21 5GLG K7 (4G K330)
ModelW21 5GK7 (4G K330)
Other model names三星W21 5G SM-W2021 (China Telecom edition)T-Mobile LG K7 K330 LTE, LG K330, LG M1
Country or region availableChina
China
USA
USA
BrandSamsungLG
Release dateNovember, 2020January, 2016
Depth6.9 millimeters (0.27 inches)8.9 millimeters (0.35 inches)
Size (width x height)128.2 x 159.2 millimeters (5.05 x 6.27 in)72.39 x 143.51 millimeters (2.85 x 5.65 in)
Weight282 grams (9.87 ounces)138 grams (4.83 ounces)
Qwerty physical keyboardNot supportedNot supported
AntennaInternal antennaInternal antenna
Build, materialsAluminum frame, flexible plastic screen, glass backfeature not registered
Protection against water and othersNot supportedNot supported
System (OS)Samsung W21 5GLG K7 (4G K330)
Operating systemAndroid 10Android 5.1.1 Lollipop
Firmware updateAndroid 11feature not registered
HardwareSamsung W21 5GLG K7 (4G K330)
Chipset64bit - Qualcomm Snapdragon 865+ SM8250 (7nm)32bit - Qualcomm Snapdragon 210 MSM8909 (28nm)
CPU processorOcta-Core, 3 processors:
3.09Ghz Single-Core Kryo 585
2.42Ghz 3-Cores Kryo 585
1.8Ghz Quad-Core Kryo 585
1.1Ghz Quad-Core ARM Cortex-A7
GPU graphical controllerQualcomm Adreno 650Qualcomm Adreno 304
RAM memory12GB LPDDR51.5GB LPDDR3
Internal storage512GB (455GB available)
UFS 3.1
8GB (4GB available)
External storageNot supportedUntil 32GB microSD, microSDHC
(dedicated slot)
DisplaySamsung W21 5GLG K7 (4G K330)
Display typeFlexible Super AMOLEDTFT IPS LCD
Screen size7.6" inches5" inches
Screen-to-body ratio~1.8% (screen-to-body ratio)~66.3% (screen-to-body ratio)
Display resolution17x1768 pixels (2208)480x854 pixels
TouchscreenCapacitive MultitouchCapacitive Multitouch
Pixel density (dot pitch)233 PPI196 PPI
Colors16 million16 million
Scratch-resistant glassGorilla Glass VictusNot supported
Display features120Hz, HDR10+feature not registered
Mobile networksSamsung W21 5GLG K7 (4G K330)
Dual-SIMDual-SIM Standby - Call active on one sim cardNot supported
SIM card2 slots (Dual-SIM)
nano-SIM (4FF)
1 slot (Single-SIM)
nano-SIM (4FF)
Maximum download/upload2000/1024 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 networkGSM 850/900/1800/1900GSM 850/900/1800/1900
Primary 3G networkUMTS 850/900/1900/2100UMTS 850/1700/1900
Primary 4G networkLTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 13, 18, 19, 20, 25, 26, 28)
TD-LTE (34, 38, 39, 40, 41)
VoLTE
LTE Cat4 700/1700/1900/2100 (Bands 2,4,12)
Primary 5G networkSub6 (1, 28, 41, 78, 79)Not supported
Primary data networkGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, 5G SA/NSAGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE
Secondary 2G networkGSM 850/900/1800/1900Not supported
Secondary 3G networkUMTS 850/900/1900/2100Not supported
Secondary 4G networkNot supportedNot supported
Secondary data networkGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+Not supported
CallingSamsung W21 5GLG 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 W21 5GLG K7 (4G K330)
Back camera (main camera)(triple camera)
12.2 megapixels
12MP telephotof/2.452mm1/3.6"1.0µmPDAFOIS2x-optical-zoom
12MP ultrawidef/2.2123º12mm1.12µm
5 megapixels
Main camera resolution4032x3024 pixels2560x1920 pixels
Video recording (primary)4K UHD (3840x2160) 60 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 autofocusAutofocus
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 W21 5GLG 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" inchesfeature not registered
Pixel size1.22µm pixelfeature not registered
MultimediaSamsung W21 5GLG K7 (4G K330)
RadioNot supportedFM
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 W21 5GLG 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 W21 5GLG 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
Hall effect
Face unlock
Fingerprint sensor (side-mounted)
Accelerometer
Proximity sensor
Ambient Light sensor
Other features- Colors: Gold
- One UI 3.1
- 32-bit/384kHz audio
- Som Dolby Atmos/AKG
- Bixby
- Samsung Wireless DeX
- Samsung Pay (MST, NFC)
- WiFi direct, hotspot
- Cover camera: 10MP (f/2.2)
- Cover 6.23" display: S-AMOLED, Corning Gorilla Glass Victus, (816x2260px)
- Colors: Black, White, Gold, Titan
- 2.5D Arc Glass
- Knock Code, Knock On
- Take still shots while recording video
- WiFi direct, hotspot
Power supplySamsung W21 5GLG K7 (4G K330)
BatteryLiPo: Li-Ion polymer (Non removable)Li-Ion: Lithium-Ion (Removable)
Battery capacity4500 mAh2045 mAh
Charger, watts25W Fast battery charging
Reverse charging USB between devices
11W WPC/Qi Wireless charging
4.5W Reverse wireless charging between devices
USB Power Delivery 3.0
Standard charging
Talk time autonomy1860 minutes | 31 hours | 1.3 days660 minutes | 11 hours | 0.5 day
Standbyfeature not registered18720 minutes | 312 hours | 13 days
Radiation rateSamsung W21 5GLG K7 (4G K330)
SAR 1.6W/kg (USA, Mexico, etc.)feature not registeredfeature not registered
SAR 2W/kg (Europe, UK, etc.)0.859W/kg (head) | 1.453W/kg (body)feature not registered
X

We use cookies to provide and improve our services. By using our site, you consent to cookies. See more details: Privacy policy.