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Samsung Galaxy S21 Ultra (SM-G998B/DS 128GB) vs LG G4 (H810)

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

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Compare LG G4 X Samsung Galaxy S21 Ultra (SM-G998B/DS 128GB) 34Points
6.8"
AMOLED

1440x3200

108
MP

40mp

12GB
RAM

Octa-core

5000
mAh

(Non removable)

vs
5.5"
IPS

1440x2560

16
MP

8mp

3GB
RAM

Hexa-core

3000
mAh

(Removable)

What's the better phone? Samsung Galaxy S21 Ultra (SM-G998B/DS 128GB)

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-G998B/DS 128GB)} 34 Advantages Samsung Galaxy S21 Ultra (SM-G998B/DS 128GB) vs G4 (H810)} 5 Advantages LG G4 (H810)
+2.9GHz 64bit Octa-core (5nm)63%
More powerful processor, you can open your applications faster
vs1.8GHz 64bit Hexa-core (20nm)
+12GB LPDDR53 times
More RAM memory. Typically more responsive and better for multitasking.
vs3GB LPDDR3
+128GB (101GB available)3 times
More internal storage for applications and files
vs32GB (25GB available)
+UFS 3.1Advantage
Fastest write and read storage.
vseMMC 5.0
+8.9 millimeters (0.35 inches)10%
Thinner
vs9.8 millimeters (0.39 inches)
+Aluminum frame, glass front/backAdvantage
More resistant material
vsPlastic body, glass front
+Dynamic AMOLEDAdvantage
Dynamic AMOLED display is brighter and more vivid
vsTFT IPS LCD
+HDR10+Advantage
The HDR10+ display provides vibrant colors and more details
vsNot supported
+120Hz100%
The display reproduces more frames per second because the frequency (Hertz) is higher, improves fluidity and tires your eyes less.
vs60Hz
+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
+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 14Advantage
Android 14 is newer and safer
vsAndroid 7.0 Nougat
+5G SA/NSAAdvantage
The 5G SA/NSA network is newer and faster
vs4G LTE-A
+(5G SA/NSA) 5000 Mbps16 times
Faster for surfing the internet and download files
vs(4G LTE-A) 300 Mbps
+Face unlockAdvantage
Sensors help you use the device
vsNot supported
+Fingerprint sensor (under display)Advantage
Sensors help you use the device
vsNot supported
+UWB (Ultra Wideband)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
+25W39%
More power (watts) to charge the battery faster. Sometimes, the charger that comes with the device doesn't have the same power supported by the device. Check before you buy it.
vs18W
+Qi wireless charging (Qi/PMA)Advantage
Wireless charging is another way to charge the battery.
vsNot supported
+2 slots (Dual-SIM) + e-SIM (Eletronic)Advantage
You can have more mobile carriers/operators on the same device.
vs1 slot (Single-SIM)
(dedicated slot)
+Stereo soundAdvantage
Better sound quality for listening to music or clearer hands-free calls
vsMono sound (not stereo)
+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 a/b/g/n/ac [wifi5]
+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, USB OTG On-The-Go
+Type-CAdvantage
Reversible connector, you can stick in a USB-C cable any which way; either side is up.
vsMicroUSB 2.0, USB OTG On-The-Go
+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)
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 / LDAF: laser detection autofocus
OIS: Optical stabilization / OIS (3-axis): Optical stabilization
f/1.8 (aperture)
Capacitive
Multitouch
+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-G998B/DS 128GB)LG G4 (H810)
ModelGalaxy S21 Ultra (SM-G998B/DS 128GB)LG G4 (H810)
Other model namesGalaxy S21 Ultra 5G (SM-G998B/Dual-SIM)LG G4 H810 (AT&T), LG-H810, LG P1
Country or region available(Global, International)
(Global, International)
USA
USA
BrandSamsungLG
Release date1/29/2021, Announced: 1/14/20214/29/2015, Announced: 4/28/2015
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)
Build, materialsAluminum frame, glass front/backPlastic body, glass front
Protection against water and othersIP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistantNot supported

📲 Display

Galaxy S21 Ultra (SM-G998B/DS 128GB)LG 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 (16:9)
TouchscreenCapacitive Multitouch 10-pointsCapacitive Multitouch
Pixel density (dot pitch)516 PPI534 PPI
Colors16 million16 million
Scratch-resistant glassGorilla Glass VictusGorilla Glass 3
Refresh rate120Hz60Hz
Display features1500nits[peak]
HDR10+
Always-On Display
Not supported

🤖 Operating System

Galaxy S21 Ultra (SM-G998B/DS 128GB)LG G4 (H810)
System versionAndroid 11Android 5.1 Lollipop
Firmware updateAndroid 14Android 7.0 Nougat
User InterfaceOne UI 3.1 / 4.1 / 5.1 / 6.0LG UX 4.0 UI

⚙️ Processor

Galaxy S21 Ultra (SM-G998B/DS 128GB)LG G4 (H810)
Chipset64bit: Samsung Exynos 2100 (5nm)64bit: Qualcomm Snapdragon 808 (MSM8992) (20nm)
CPUOcta-core, 3 processors:
1x 2.9GHz ARM Cortex-X1 (Single-core)
3x 2.8GHz ARM Cortex-A78 (Triple-core)
4x 2.2GHz ARM Cortex-A55 (Quad-core)
Hexa-core, 2 processors:
2x 1.8GHz ARM Cortex-A57 (Dual-core)
4x 1.4GHz ARM Cortex-A53 (Quad-core)
GPU graphical controllerARM Mali-G78 MP14 (854MHz)Qualcomm Adreno 418 (600MHz)
Performance (benchmark)AnTuTu: 657150 (v8), 727634 (v9)
Geekbench: 3457 (v5.2)
GFXBench: 51fps (ES 3.1 onscreen)
Basemark OS II: 1584 (v2)

💽 Memory and storage

Galaxy S21 Ultra (SM-G998B/DS 128GB)LG G4 (H810)
RAM memory12GB LPDDR53GB LPDDR3
Internal storage128GB (101GB available)
UFS 3.1
32GB (25GB available)
eMMC 5.0
External storageNot supportedUntil 128GB microSD, microSDXC
(dedicated slot)

📶 Mobile networks

Galaxy S21 Ultra (SM-G998B/DS 128GB)LG 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, 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, 17, 18, 19, 20, 25, 26, 28, 32, 66)
TD-LTE (38, 39, 40, 41)
VoLTE
LTE Cat6 (2, 4, 5, 7, 17, 30)
Primary 5G networkSA/NSA/Sub6 (1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 77, 78)Not supported
Primary data networkGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSAGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE, LTE-A
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, 17, 18, 19, 20, 25, 26, 28, 32, 66)
TD-LTE (38, 39, 40, 41)
VoLTE
Not supported
Secondary data networkGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSANot supported

📷 Camera

Galaxy S21 Ultra (SM-G998B/DS 128GB)LG G4 (H810)
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
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
Camera extras4K@60fps
1080p@240fps
720p@960fps
4K@30fps
1080p@30fps

📸 Front camera

Galaxy S21 Ultra (SM-G998B/DS 128GB)LG 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

🔉 Sound and multimedia

Galaxy S21 Ultra (SM-G998B/DS 128GB)LG G4 (H810)
LoudspeakerStereo sound
32-bit/384kHz
Dolby Atmos
Tuned by AKG
Mono sound (not stereo)
24-bit/192kHz
Active noise cancellation2 microphones or more2 microphones or more
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

🔌 Connectivity

Galaxy S21 Ultra (SM-G998B/DS 128GB)LG G4 (H810)
USBUSB 3.2 Type-C, USB OTG On-The-GoMicroUSB 2.0, USB OTG On-The-Go
Audio outputType-C reversible connector3.5mm jack
TV outputUSB Type-C (reversible)Micro-B USB SlimPort
Bluetooth5.2 + A2DP/LE4.1 + A2DP
WiFi802.11 a/b/g/n/ac/ax [wifi6] (2.4GHz, 5GHz) + MIMO
WiFi Direct, hotspot
802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO
WiFi Direct, hotspot
DLNASupportedSupported
GPSA-GPS, GeoTagging, GLONASS, GALILEO, BeiDouA-GPS, GeoTagging, GLONASS
NFCSupportedSupported
Infrared portNot supportedSupported

🧭 Sensors

Galaxy S21 Ultra (SM-G998B/DS 128GB)LG G4 (H810)
SensorsAccelerometer
Ambient light sensor
Barometer
Compass
Face unlock
Fingerprint sensor (under display)
Gesture
Gyroscope
Hall effect
Proximity sensor
UWB (Ultra Wideband)
Accelerometer
Ambient light sensor
Barometer
Compass
Gyroscope
Proximity sensor
Vibrating alertSupportedSupported

🔋 Battery

Galaxy S21 Ultra (SM-G998B/DS 128GB)LG G4 (H810)
Battery typeLiPo: li-ion polymer (Non removable)Li-Ion: lithium-ion (Removable)
Battery capacity5000 mAh3000 mAh
Charger, watts25W Wired fast charging
USB Power Delivery 3.0
18W Wired fast charging
Quick Charge 2
Inductive / wireless charging15W Qi wireless charging (Qi/PMA)
4.5W Reverse wireless charging
Not supported
Talk time autonomyfeature not registered20 hours
Standbyfeature not registered434 hours (18.1 days)

➕ Other features

Galaxy S21 Ultra (SM-G998B/DS 128GB)LG G4 (H810)
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: Phantom Black, Silver, Titanium, Navy, Brown
• Samsung Pay (Visa, MasterCard)
• Samsung DeX
• Stylus pen support
• Colors: Grey, White, Gold, Leather Black, Leather Brown, Leather Red
• Knock Code
• Quick Remote

☢️ Radiation rate

Galaxy S21 Ultra (SM-G998B/DS 128GB)LG G4 (H810)
SAR 1.6W/kg (USA, Mexico, etc.)0.24W/kg (head), 0.72W/kg (body)feature not registered
SAR 2W/kg (Europe, UK, etc.)0.714W/kg (head), 1.58W/kg (body)0.62W/kg (head)
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