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Samsung Galaxy S21 Ultra vs LG G4 (H810)

Side by side comparison between Samsung Galaxy S21 Ultra vs LG G4 phones, differences, pros, cons with full specifications. What's the better?

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Compare LG G4 XSamsung Galaxy S21 Ultra28Points
Samsung Galaxy S21 Ultra
6.8"
AMOLED

1440x3200

108
MP

40mp

12GB
RAM

64bit Octa

5000
mAh

(Non removable)

vs
LG G4 (H810)
5.5"
IPS

1440x2560

16
MP

8mp

3GB
RAM

64bit Hexa

3000
mAh

(Removable)

What's the better phone? Samsung Galaxy S21 Ultra

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 Ultra28 Advantages Samsung Galaxy S21 UltravsG4 (H810)5 Advantages LG G4 (H810)
+2.9Ghz 64bit Octa-Core83%
More powerful processor, you can open your applications faster
vs1.8Ghz 64bit Hexa-Core
+12GB LPDDR53 times
More RAM memory. Typically more responsive and better for multitasking.
vs3GB LPDDR3
+128GB (104GB available)3 times
More internal storage for applications and files
vs32GB (25GB 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 pixels25%
Higher resolution screen
vs1440x2560 pixels
+6.8"24%
Larger screen
vs5.5"
+(quad camera) 108MP + 10MP + 10MP + 12MP8 times
Higher resolution main camera
vs(back) 16MP
+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/video only main camera
+1/1.33" inches95%
The larger sensor camera lets you take photos with better depth.
vs1/2.6" inches
+(front) 40MP4 times
Higher resolution secondary camera to take pictures and selfies
vs(front) 8MP
+8K UHD (7680x4320)3 times
More image quality for recording videos with the primary camera
vs4K UHD (3840x2160)
+(front) 4K UHD (3840x2160)3 times
More image quality for recording videos with the secondary camera
vs(front) Full HD (1920x1080)
+Android 11Advantage
Android 11 is newer and safer
vsAndroid 6.0 Marshmallow
+5G NRAdvantage
The 5G NR network is newer and faster
vs4G+ LTE-A
+(5G NR) 5000 Mbps16 times
Faster for surfing the internet and download files
vs(4G+ LTE-A) 300 Mbps
+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
+5000 mAh67%
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
vs3000 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)
+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 a/b/g/n/ac (2.4Ghz, 5Ghz) + MIMO
+5.2 + A2DP/LEAdvantage
Bluetooth 5.2 + A2DP/LE is newer and faster
vs4.1 + 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 128GB microSD, microSDXCAdvantage
More external storage for files using memory cards
227 grams (7.95 ounces)vs+155 grams (5.43 ounces)46%
Lighter
516 PPIvs+534 PPI3%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
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

23 Common items in both devices
16 million
LED flash
PDAF: phase detection autofocus on both cameras / LDAF: laser detection autofocus
OIS: Optical stabilization / OIS (3-axis): Optical stabilization
f/1.8 (aperture)
Capacitive
Multitouch
+16 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 S21 UltraLG G4 (H810)
ModelGalaxy S21 UltraG4 (H810)
Other model namesGalaxy S21 Ultra 5G SM-G998B/DSAT&T LG G4 H810, LG H810, LG P1
Country or region available(Global, International)
(Global, International)
USA
USA
BrandSamsungLG
Release dateJanuary, 2021April, 2015
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)76.1 x 148.9 millimeters (3 x 5.86 in)
Weight227 grams (7.95 ounces)155 grams (5.43 ounces)
Qwerty physical keyboardNot supportedNot supported
AntennaInternal antennaInternal antenna
Build, materialsAluminum frame, glass front/backfeature not registered
Protection against water and othersIP68 certified: dust proof and waterproof over 1.5 meter and 30minNot supported
System (OS)Samsung Galaxy S21 UltraLG G4 (H810)
Operating systemAndroid 11Android 5.1 Lollipop
Firmware updatefeature not registeredAndroid 6.0 Marshmallow
HardwareSamsung Galaxy S21 UltraLG G4 (H810)
Chipset64bit - Samsung Exynos 2100 (5nm)64bit - Qualcomm Snapdragon 808 MSM8992 (20nm)
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
Hexa-Core, 2 processors:
1.8Ghz Dual-Core ARM Cortex-A57
1.4Ghz Quad-Core ARM Cortex-A53
GPU graphical controllerARM Mali-G78 MP14Qualcomm Adreno 418
RAM memory12GB LPDDR53GB LPDDR3
Internal storage128GB (104GB available)
UFS 3.1
32GB (25GB available)
External storageNot supportedUntil 128GB microSD, microSDXC
(dedicated slot)
DisplaySamsung Galaxy S21 UltraLG G4 (H810)
Display typeDynamic AMOLEDTFT IPS LCD
Screen size6.8" inches5.5" inches
Screen-to-body ratio~89.4% (screen-to-body ratio)~73.6% (screen-to-body ratio)
Display resolution1440x3200 pixels (20:9)1440x2560 pixels
TouchscreenCapacitive Multitouch 10-pointsCapacitive Multitouch
Pixel density (dot pitch)516 PPI534 PPI
Colors16 million16 million
Scratch-resistant glassGorilla Glass VictusGorilla Glass 3
Display features120Hz, 1500 nits, HDR10+feature not registered
Mobile networksSamsung Galaxy S21 UltraLG G4 (H810)
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)
micro-SIM (3FF)
Maximum download/upload5000/1920 Mbps300/50 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 850/900/1900/2100
Primary 4G networkLTE Cat24 ()
TD-LTE ()
VoLTE
LTE Cat6 700/850/1700/1900/2100/2300/2600 (Bands 2,4,5,7,17,30)
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, LTE-A
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 S21 UltraLG G4 (H810)
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 S21 UltraLG G4 (H810)
Back camera (main camera)(quad camera)
108 megapixels
10MP periscope telephotof/4.9240mm1/3.24"1.22µmPDAFOIS10x-optical-zoom
10MP telephotof/2.470mm1/3.24"1.22µmPDAFOIS3x-optical-zoom
12MP ultrawidef/2.213mm1/2.55"1.4µmPDAFSuper-Steady-video
16 megapixels
Main camera resolution12000x9000 pixels5312x2988 pixels
Video recording (primary)8K UHD (7680x4320) 24 fps4K UHD (3840x2160) 30 fps
FlashLED flashLED flash
Focal aperturef/1.8 (aperture)f/1.8 (aperture)
Focal length26mm lens28mm lens
Sensor size1/1.33" inches1/2.6" inches
Pixel size1.8µm pixel1.12µm pixel
AutofocusPDAF: phase detection autofocus on both camerasLDAF: laser detection autofocus
Touch focusSupportedSupported
Image stabilizationOIS: Optical stabilizationOIS (3-axis): Optical stabilization
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/video only main camera
2ª cameraSamsung Galaxy S21 UltraLG G4 (H810)
Front camera (secondary)40 megapixels8 megapixels
Front camera resolution7296x5472 pixels3264x2448 pixels
Video recording (secondary)4K UHD (3840x2160)Full HD (1920x1080)
Front flashNot supportedNot supported
Focal aperturef/2.2 (aperture)f/2.0 (aperture)
Focal length26mm lensfeature not registered
Sensor size1/2.8" inches1/4" inches
Pixel size0.7µm pixel1.12µm pixel
MultimediaSamsung Galaxy S21 UltraLG G4 (H810)
RadioFMFM (RDS)
TVNot supportedNot supported
Video formatsMP4, H.265, H.264, H.263, XviD, MKVMP4, H.264, H.263, DivX, XviD, WMV
Audio formatsMP3, WAV, WMA, eAAC+, FLACMP3, WAV, WMA, eAAC+, FLAC
ConnectivitySamsung Galaxy S21 UltraLG G4 (H810)
USBUSB 3.2 Type-C, USB OTG On-The-GoMicroUSB 2.0
TV outputUSB Type-C (reversible)Micro-B USB SlimPort
Audio outputType-C reversible connector3.5mm jack
Bluetooth5.2 + A2DP/LE4.1 + A2DP
WiFi802.11 a/b/g/n/ac/ax wifi6 (2.4Ghz, 5Ghz) + MIMO802.11 a/b/g/n/ac (2.4Ghz, 5Ghz) + MIMO
DLNASupportedSupported
NFCSupportedSupported
GPSA-GPS, GeoTagging, GLONASS, GALILEO, BeiDouA-GPS, GeoTagging, GLONASS
Infrared portNot supportedSupported
Other functionsSamsung Galaxy S21 UltraLG G4 (H810)
Active noise cancellationSupportedSupported
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
Compass
Ambient Light sensor
Gyroscope
Barometer
Other features- Colors: Phantom Black, Silver, Titanium, Navy, Brown
- One UI 3.1
- Always-on display
- Tuned by AKG
- 32-bit/384kHz audio
- Samsung Pay (Visa, MasterCard)
- Samsung DeX
- Stylus pen support
- WiFi direct, hotspot
- Colors: Grey, White, Gold, Leather Black, Leather Brown, Leather Red
- USB OTG On-The-Go
- LG Optimus UX 4.0 UI
- Quick Charger 2.0
- Knock Code
- WiFi direct
Power supplySamsung Galaxy S21 UltraLG G4 (H810)
BatteryLiPo: Li-Ion polymer (Non removable)Li-Ion: Lithium-Ion (Removable)
Battery capacity5000 mAh3000 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 registered1200 minutes | 20 hours | 0.8 day
Standbyfeature not registered26040 minutes | 434 hours | 18.1 days
Radiation rateSamsung Galaxy S21 UltraLG G4 (H810)
SAR 1.6W/kg (USA, Mexico, etc.)feature not registeredfeature not registered
SAR 2W/kg (Europe, UK, etc.)0.714W/kg (head) | 1.58W/kg (body)feature not registered
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