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Samsung Galaxy S21 Ultra (SM-G998W 256GB) vs LG G2 mini (4G D620)

Side by side comparison between Samsung Galaxy S21 Ultra vs LG G2 mini phones, differences, pros, cons and full specifications. What's the better?

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Compare LG G2 mini X Samsung Galaxy S21 Ultra (SM-G998W 256GB) 30Points
6.8"
AMOLED

1440x3200

108
MP

40mp

12GB
RAM

Octa-core

5000
mAh

(Non removable)

vs
4.7"
IPS

540x960

8
MP

1.3mp

1GB
RAM

Quad-core

2440
mAh

(Removable)

What's the better phone? Samsung Galaxy S21 Ultra (SM-G998W 256GB)

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 S21 Ultra (SM-G998W 256GB)} 30 Advantages Samsung Galaxy S21 Ultra (SM-G998W 256GB) vs G2 mini (4G D620)} 4 Advantages LG G2 mini (4G D620)
+2.84GHz 64bit Octa-core (5nm)2 times
More powerful processor, you can open your applications faster
vs1.2GHz 32bit Quad-core
+12GB LPDDR511 times
More RAM memory. Typically more responsive and better for multitasking.
vs1GB LPDDR2
+256GB (220GB available)72 times
More internal storage for applications and files
vs8GB (3GB available)
+8.9 millimeters (0.35 inches)10%
Thinner
vs9.8 millimeters (0.39 inches)
+Dynamic AMOLEDAdvantage
Dynamic AMOLED display is brighter and more vivid
vsTFT IPS LCD
+1440x3200 pixels8 times
Higher resolution screen
vs540x960 pixels
+516 PPI121%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
vs234 PPI
+6.8"45%
Larger screen
vs4.7"
+(quad camera) 108MP + 10MP + 10MP + 12MP17 times
Higher resolution main camera
vs(back) 8MP
+Digital and optical zoomAdvantage
The zoom allows for better focus and approach to take pictures
vsOnly digital zoom
+HDR photo/video on both camerasAdvantage
The HDR technology produced photos with more detail in dark areas
vsHDR photo only main camera
+(front) 40MP29 times
Higher resolution secondary camera to take pictures and selfies
vs(front) 1.3MP
+8K UHD (7680x4320)15 times
More image quality for recording videos with the primary camera
vsFull HD (1920x1080)
+(front) 4K UHD (3840x2160)8 times
More image quality for recording videos with the secondary camera
vs(front) HD (1280x720)
+Android 15Advantage
Android 15 is newer and safer
vsAndroid 5.0.2 Lollipop
+5G SA/NSAAdvantage
The 5G SA/NSA network is newer and faster
vs4G LTE
+(5G SA/NSA) 5000 Mbps49 times
Faster for surfing the internet and download files
vs(4G LTE) 100 Mbps
+BarometerAdvantage
Sensors help you use the device
vsNot supported
+Face unlock 2DAdvantage
Sensors help you use the device
vsNot supported
+Fingerprint sensor (under display)Advantage
Sensors help you use the device
vsNot supported
+GyroscopeAdvantage
Sensors help you use the device
vsNot supported
+UWB (Ultra Wideband)Advantage
Sensors help you use the device
vsNot supported
+5000 mAh105%
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
vs2440 mAh
+1 slot (Single-SIM) + e-SIM (Eletronic)Advantage
You can have more mobile carriers/operators on the same device.
vs1 slot (Single-SIM)
(dedicated slot)
+Active noise cancellationAdvantage
More noise-canceling microphones allow for better quality in calls and audio for recorded videos
vsNot supported
+802.11 a/b/g/n/ac/ax [wifi6]Advantage
WiFi 802.11 a/b/g/n/ac/ax [wifi6] is newer and faster
vs802.11 b/g/n [wifi4]
+5.2 + A2DP/LEAdvantage
Bluetooth 5.2 + A2DP/LE is newer and faster
vs4.0 + A2DP
+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
+IP68 certifiedAdvantage
Protection against water allows you talk to your friends in the rain, for example
vsNot supported
Not supportedvs+Until 32GB microSD, microSDXCAdvantage
More external storage for files using memory cards
227 grams (7.95 ounces)vs+121 grams (4.24 ounces)88%
Lighter
LiPo: li-ion polymer (Non removable)vs+Li-Ion: lithium-ion (Removable)Advantage
Removable battery can be replaced easily
Type-C reversible connectorvs+3.5mm jackAdvantage
Headsets with 3.5mm Jack size are more common and easy to find in stores

19 Common items in both devices
16 million
LED flash
PDAF: phase detection autofocus on both cameras / Autofocus
BSI sensor
Capacitive
Multitouch
Accelerometer
+12 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 S21 Ultra (SM-G998W 256GB)LG G2 mini (4G D620)
ModelGalaxy S21 Ultra (SM-G998W 256GB)LG G2 mini (4G D620)
Other model namesGalaxy S21 Ultra 5G (SM-G998W)LG G2 mini D620R, LG D620 for Vodafone Europe
Country or region availableCanada
Canada
feature not registered
BrandSamsungLG
Release date1/29/2021, Announced: 1/14/20214/1/2014
Depth8.9 millimeters (0.35 inches)9.8 millimeters (0.39 inches)
Size (width x height)75.6 x 165.1 millimeters (2.98 x 6.5 in)66 x 129.6 millimeters (2.6 x 5.1 in)
Weight227 grams (7.95 ounces)121 grams (4.24 ounces)
Build, materialsAluminum frame, glass front/backfeature not registered
Protection against water and othersIP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistantNot supported

📲 Display

Galaxy S21 Ultra (SM-G998W 256GB)LG G2 mini (4G D620)
Display typeDynamic AMOLEDTFT IPS LCD
Screen size6.8" inches4.7" inches
Screen-to-body ratio~89.4% (screen-to-body ratio)~71.2% (screen-to-body ratio)
Display resolution1440x3200 pixels (20:9)540x960 pixels
TouchscreenCapacitive Multitouch 10-pointsCapacitive Multitouch
Pixel density (dot pitch)516 PPI234 PPI
Colors16 million16 million
Scratch-resistant glassGorilla Glass VictusGorilla Glass 2
Refresh rate120Hzfeature not registered
Display features1500nits[peak]
HDR10+
Always-On Display
feature not registered

🤖 Operating System

Galaxy S21 Ultra (SM-G998W 256GB)LG G2 mini (4G D620)
System versionAndroid 11Android 4.4.2 KitKat
Firmware updateAndroid 15Android 5.0.2 Lollipop
User InterfaceOne UI 3.1 / 4.1 / 5.1 / 6.0 / 7.0feature not registered

⚙️ Processor

Galaxy S21 Ultra (SM-G998W 256GB)LG G2 mini (4G D620)
Chipset64bit: Qualcomm Snapdragon 888 (SM8350) (5nm)32bit: Qualcomm Snapdragon 400 MSM8926 (28nm)
CPUOcta-core, 3 processors:
1x 2.84GHz Kryo 680 (Single-core)
3x 2.42GHz Kryo 680 (Triple-core)
4x 1.8GHz Kryo 680 (Quad-core)
Quad-core, 1 processor:
4x 1.2GHz ARM Cortex-A7 (Quad-core)
GPU graphical controllerQualcomm Adreno 660 (840MHz)Qualcomm Adreno 305 400Mhz
Performance (benchmark)AnTuTu: 681099 (v8), 809165 (v9)
Geekbench: 3539 (v5.2)
GFXBench: 54fps (ES 3.1 onscreen)
feature not registered

💽 Memory and storage

Galaxy S21 Ultra (SM-G998W 256GB)LG G2 mini (4G D620)
RAM memory12GB LPDDR51GB LPDDR2
Internal storage256GB (220GB available)
UFS 3.1
8GB (3GB available)
External storageNot supportedUntil 32GB microSD, microSDXC
(dedicated slot)

📶 Mobile networks

Galaxy S21 Ultra (SM-G998W 256GB)LG G2 mini (4G D620)
Dual-SIMDual-SIM Standby - Call active on one sim cardNot supported
SIM card1 slot (Single-SIM)
nano-SIM (4FF) + e-SIM
1 slot (Single-SIM)
micro-SIM (3FF)
Maximum Download / Upload5000/1920 Mbps100/50 Mbps
Network technology2G, 3G, 4G, 5G2G, 3G, 4G
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 Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 13, 18, 19, 20, 25, 29, 30, 66, 71)
TD-LTE (38, 39, 40, 41, 46)
VoLTE
LTE 800/900/1800/2100/2600
Primary 5G networkSA/NSA/Sub6 (2, 41, 66, 71)Not supported
Primary data networkGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSAGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE
Secondary 2G networkGSM 850/900/1800/1900Not supported
Secondary 3G networkUMTS 850/900/1700/1900/2100Not supported
Secondary 4G networkLTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 13, 18, 19, 20, 25, 29, 30, 66, 71)
TD-LTE (38, 39, 40, 41, 46)
VoLTE
Not supported
Secondary data networkGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSANot supported

📷 Camera

Galaxy S21 Ultra (SM-G998W 256GB)LG G2 mini (4G D620)
Back camera (main camera)(quad camera)
108 megapixels
10MP periscope telephoto f/4.9240mm1/3.24"1.22µmPDAFOIS10x-optical-zoom
10MP telephoto f/2.470mm1/3.24"1.22µmPDAFOIS3x-optical-zoom
12MP ultrawide f/2.213mm1/2.55"1.4µmPDAFSuper-Steady-video
8 megapixels
Main camera resolution12000x9000 pixels3264x2448 pixels
Video recording (primary)8K UHD (7680x4320) 24 fpsFull HD (1920x1080) 30 fps
FlashLED flashLED flash
Focal aperturef/1.8 (aperture)feature not registered
Focal length26mm (lens)feature not registered
Sensor size1/1.33" 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
BSI sensorSupportedSupported
HDRHDR photo/video on both camerasHDR photo only main camera
Camera extras4K@60fps
1080p@240fps
720p@960fps
feature not registered

📸 Front camera

Galaxy S21 Ultra (SM-G998W 256GB)LG G2 mini (4G D620)
Front camera (secondary)40 megapixels1.3 megapixels
Front camera resolution7296x5472 pixels1280x1024 pixels
Video recording (secondary)4K UHD (3840x2160)HD (1280x720)
Front flashNot supportedNot supported
Focal aperturef/2.2 (aperture)feature not registered
Focal length26mm (lens)feature not registered
Sensor size1/2.8" inchesfeature not registered
Pixel size0.7µm pixelfeature not registered

🔉 Sound and multimedia

Galaxy S21 Ultra (SM-G998W 256GB)LG G2 mini (4G D620)
LoudspeakerStereo sound
32-bit/384kHz
Dolby Atmos
Tuned by AKG
Supported
Active noise cancellation3 microphonesNot supported
RadioFMFM (RDS)
TVNot supportedNot supported
Video formatsMP4, H.265, H.264, H.263, XviD, MKVMP4, DivX, XviD, H.264, H.263
Audio formatsMP3, WAV, WMA, eAAC+, FLACMP3, WAV, eAAC+, FLAC

🔌 Connectivity

Galaxy S21 Ultra (SM-G998W 256GB)LG G2 mini (4G D620)
USBUSB 3.2 Type-C, USB OTG On-The-GoMicroUSB 2.0
Audio outputType-C reversible connector3.5mm jack
TV outputUSB Type-C (reversible)feature not registered
Bluetooth5.2 + A2DP/LE4.0 + A2DP
WiFi802.11 a/b/g/n/ac/ax [wifi6] (2.4GHz, 5GHz) + MIMO
WiFi Direct, hotspot
802.11 b/g/n [wifi4] (2.4GHz)
WiFi Direct, hotspot
DLNASupportedSupported
GPSA-GPS, GeoTagging, GLONASS, GALILEO, BeiDouA-GPS, GeoTagging, GLONASS
NFCSupportedSupported
Infrared portNot supportedfeature not registered

🧭 Sensors

Galaxy S21 Ultra (SM-G998W 256GB)LG G2 mini (4G D620)
SensorsAccelerometer
Ambient light sensor
Barometer
Compass
Face unlock 2D
Fingerprint sensor (under display)
Gesture
Gyroscope
Hall effect
Proximity sensor
UWB (Ultra Wideband)
Accelerometer
Ambient light sensor
Compass
Proximity sensor
Vibrating alertSupportedSupported

🔋 Battery

Galaxy S21 Ultra (SM-G998W 256GB)LG G2 mini (4G D620)
Battery typeLiPo: li-ion polymer (Non removable)Li-Ion: lithium-ion (Removable)
Battery capacity5000 mAh2440 mAh
Charger, watts25W Wired fast charging
USB Power Delivery 3.0
Wired charging
Inductive / wireless charging15W Qi wireless charging (Qi/PMA)
4.5W Reverse wireless charging
feature not registered
Talk time autonomyfeature not registeredfeature not registered
Standbyfeature not registeredfeature not registered

➕ Other features

Galaxy S21 Ultra (SM-G998W 256GB)LG G2 mini (4G D620)
Call controlVoice dialing, Voice recorder, Voice commandsVoice dialing, Voice recorder, Voice commands
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: Phantom Black, Silver, Titanium, Navy, Brown
• Samsung Pay (Visa, MasterCard)
• Samsung DeX
• Stylus pen support
• Colors: Titan Black, Lunar White, Red, Gold
• LG Optimus UI 3.0
• Java framework

☢️ Radiation rate

Galaxy S21 Ultra (SM-G998W 256GB)LG G2 mini (4G D620)
SAR 1.6W/kg (USA, Mexico, etc.)1.12W/kg (head), 1.25W/kg (body)feature not registered
SAR 2W/kg (Europe, UK, etc.)feature not registeredfeature not registered
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