Samsung Galaxy S21 vs LG G4 (Dual H818P)
Side by side comparison between Samsung Galaxy S21 vs LG G4 phones, differences, pros, cons and full specifications. What's the better?
,
6.2"
AMOLED
AMOLED
1080x2400
12.2
MP
MP
10mp
8GB
RAM
RAM
Octa-core
4000
mAh
mAh
(Non removable)
vs
5.5"
IPS
IPS
1440x2560
16
MP
MP
8mp
3GB
RAM
RAM
Hexa-core
3000
mAh
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!
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 | LG G4 (Dual H818P) | |
Change model | ||
Model | Galaxy S21 | LG G4 (Dual H818P) |
Other model names | Galaxy S21 5G SM-G991B/DS | LG G4 Dual-SIM H818P, LG-H818P, LG P1 |
Country or region available | (Global, International) | South Africa, Brazil, United Arab Emirates, Philippines, Singapore, Thailand |
Brand | Samsung | LG |
Release date | 1/29/2021, Announced: 1/14/2021 | 5/1/2015, Announced: 4/28/2015 |
Depth | 7.9 millimeters (0.31 inches) | 9.8 millimeters (0.39 inches) |
Size (width x height) | 71.2 x 151.7 millimeters (2.8 x 5.97 in) | 76.1 x 148.9 millimeters (3 x 5.86 in) |
Weight | 169 grams (5.92 ounces) | 155 grams (5.43 ounces) |
Build, materials | Aluminum body, glass front, plastic back | Plastic body, glass front |
Protection against water and others | IP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistant | Not supported |
📲 Display | ||
Galaxy S21 | LG G4 (Dual H818P) | |
Display type | Dynamic AMOLED | TFT IPS LCD |
Screen size | 6.2" inches | 5.5" inches |
Screen-to-body ratio | ~85.9% (screen-to-body ratio) | ~73.6% (screen-to-body ratio) |
Display resolution | 1080x2400 pixels (20:9) | 1440x2560 pixels (16:9) |
Touchscreen | Capacitive Multitouch 10-points | Capacitive Multitouch |
Pixel density (dot pitch) | 424 PPI | 534 PPI |
Colors | 16 million | 16 million |
Scratch-resistant glass | Gorilla Glass Victus | Gorilla Glass 3 |
Refresh rate | 120Hz | 60Hz |
Display features | 1300nits[peak] HDR10+ Always-On Display | Not supported |
🤖 Operating System | ||
Galaxy S21 | LG G4 (Dual H818P) | |
System version | Android 11 | Android 5.1 Lollipop |
Firmware update | Android 14 | Android 7.0 Nougat |
User Interface | One UI 3.1 / 4.1 / 5.1 / 6.0 | LG UX 4.0 UI |
⚙️ Processor | ||
Galaxy S21 | LG G4 (Dual H818P) | |
Chipset | 64bit: Samsung Exynos 2100 (5nm) | 64bit: Qualcomm Snapdragon 808 (MSM8992) (20nm) |
CPU | Octa-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 controller | ARM Mali-G78 MP14 (854MHz) | Qualcomm Adreno 418 (600MHz) |
Performance (benchmark) | feature not registered | Basemark OS II: 1584 (v2) |
💽 Memory and storage | ||
Galaxy S21 | LG G4 (Dual H818P) | |
RAM memory | 8GB LPDDR5 | 3GB LPDDR3 |
Internal storage | 128GB (104GB available) UFS 3.1 | 32GB (25GB available) eMMC 5.0 |
External storage | Not supported | Until 128GB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
Galaxy S21 | LG G4 (Dual H818P) | |
Dual-SIM | Dual-SIM Standby - Call active on one sim card | Dual-SIM Standby - Call active on one sim card (dedicated slot) |
SIM card | 2 slots (Dual-SIM) nano-SIM (4FF) + e-SIM | 2 slots (Dual-SIM) micro-SIM (3FF) |
Maximum Download / Upload | 5000/1920 Mbps | 300/50 Mbps |
Network technology | 2G, 3G, 4G, 5G | 2G, 3G, 4G |
Frequency, bands | Expand band details Collapse details | |
GSM MHz band | Quad-Band 850/900/1800/1900 | Quad-Band 850/900/1800/1900 |
Primary 2G network | CDMA 800/1900, GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
Primary 3G network | CDMA2000 1xEV-DO TD-SCDMA 1900/2000 UMTS 850/900/1700/1900/2100 | UMTS 850/900/1900/2100 |
Primary 4G network | LTE Cat24 () TD-LTE () VoLTE | LTE Cat6 (1, 2, 3, 5, 7, 8, 17) |
Primary 5G network | SA/NSA/Sub6 () | Not supported |
Primary data network | GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, TD-SCDMA, UMTS, TD-HSDPA, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6 | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE, LTE-A |
Secondary 2G network | GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
Secondary 3G network | UMTS 850/900/1700/1900/2100 | UMTS 850/900/1900/2100 |
Secondary 4G network | LTE Cat24 () TD-LTE () VoLTE | LTE Cat6 (1, 2, 3, 5, 7, 8, 17) |
Secondary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE, LTE-A |
📷 Camera | ||
Galaxy S21 | LG G4 (Dual H818P) | |
Back camera (main camera) | (triple camera) 12.2 megapixels 64MP telephoto f/2.029mm1/1.72"0.8µmPDAFOIS1.1x-optical-zoom3x-hybrid-zoom 12MP ultrawide f/2.213mm120°1/2.55"1.4µmSuper-Steady-video | 16 megapixels |
Main camera resolution | 4032x3024 pixels | 5312x2988 pixels |
Video recording (primary) | 8K UHD (7680x4320) 24 fps | 4K UHD (3840x2160) 30 fps |
Flash | LED flash | LED flash |
Focal aperture | f/1.8 (aperture) | f/1.8 (aperture) |
Focal length | 26mm lens | 28mm lens |
Sensor size | 1/1.76" inches | 1/2.6" inches |
Pixel size | 1.8µm pixel | 1.12µm pixel |
Autofocus | PDAF: phase detection autofocus on both cameras | LDAF: laser detection autofocus |
Touch focus | Supported | Supported |
Image stabilization | OIS: Optical stabilization | OIS (3-axis): Optical stabilization |
Zoom | Digital and optical zoom | Only digital zoom |
Face/smile detection | Face detection, Smile detection | Face detection, Smile detection |
BSI sensor | Supported | Not supported |
HDR | HDR photo/video on both cameras | HDR photo/video only main camera |
Camera extras | 4K@60fps 1080p@240fps 720p@960fps | 4K@30fps 1080p@30fps |
📸 Front camera | ||
Galaxy S21 | LG G4 (Dual H818P) | |
Front camera (secondary) | 10 megapixels | 8 megapixels |
Front camera resolution | 3872x2592 pixels | 3264x2448 pixels |
Video recording (secondary) | 4K UHD (3840x2160) | Full HD (1920x1080) |
Front flash | Not supported | Not supported |
Focal aperture | f/2.2 (aperture) | f/2.0 (aperture) |
Focal length | 26mm lens | feature not registered |
Sensor size | 1/3.24" inches | 1/4" inches |
Pixel size | 1.22µm pixel | 1.12µm pixel |
🔉 Sound and multimedia | ||
Galaxy S21 | LG G4 (Dual H818P) | |
Loudspeaker | Stereo sound 32-bit/384kHz Dolby Atmos Tuned by AKG | Mono sound (not stereo) 24-bit/192kHz |
Active noise cancellation | 2 microphones or more | 2 microphones or more |
Radio | FM | FM (RDS) |
TV | Not supported | Not supported |
Video formats | MP4, H.265, H.264, H.263, XviD, MKV | MP4, H.264, H.263, DivX, XviD, WMV |
Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
Galaxy S21 | LG G4 (Dual H818P) | |
USB | USB 3.2 Type-C, USB OTG On-The-Go | MicroUSB 2.0, USB OTG On-The-Go |
Audio output | Type-C reversible connector | 3.5mm jack |
TV output | USB Type-C (reversible) | Micro-B USB SlimPort |
Bluetooth | 5.0 + A2DP/LE | 4.1 + A2DP |
WiFi | 802.11 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 |
DLNA | Supported | Supported |
GPS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou | A-GPS, GeoTagging, GLONASS |
NFC | Supported | Supported |
Infrared port | Not supported | Supported |
🧭 Sensors | ||
Galaxy S21 | LG G4 (Dual H818P) | |
Sensors | Accelerometer Ambient light sensor Barometer Compass Face unlock Fingerprint sensor (under display) Gesture Gyroscope Hall effect Proximity sensor | Accelerometer Ambient light sensor Barometer Compass Gyroscope Proximity sensor |
Vibrating alert | Supported | Supported |
🔋 Battery | ||
Galaxy S21 | LG G4 (Dual H818P) | |
Battery type | LiPo: li-ion polymer (Non removable) | Li-Ion: lithium-ion (Removable) |
Battery capacity | 4000 mAh | 3000 mAh |
Charger, watts | 25W Wired fast charging USB Power Delivery 3.0 | 18W Wired fast charging Quick Charge 2 |
Inductive / wireless charging | 15W Qi wireless charging (Qi/PMA) 4.5W Reverse wireless charging | Not supported |
Talk time autonomy | feature not registered | 12 hours |
Standby | feature not registered | 315 hours (13.1 days) |
➕ Other features | ||
Galaxy S21 | LG G4 (Dual H818P) | |
Call control | Voice dialing, Voice recorder, Voice commands | Voice dialing, Voice recorder |
Messaging | SMS (T9), MMS, E-mail, Push mail | SMS (T9), MMS, E-mail, Push mail |
Hands-free calling | Supported | Supported |
Video calling | Supported | Supported |
Ringtones | Polyphonic and customized | Polyphonic and customized |
Web browser | HTML, XHTML, HTML5 | HTML, XHTML, HTML5 |
Antenna | Internal antenna | Internal antenna |
Qwerty physical keyboard | Not supported | Not supported |
Miscellaneous | • Colors: Phantom Gray, White, Violet, Pink • Samsung Pay (Visa, MasterCard) • Samsung DeX | • Colors: Grey, White, Gold, Leather Black, Leather Brown, Leather Red • Knock Code • Quick Remote |
☢️ Radiation rate | ||
Galaxy S21 | LG G4 (Dual H818P) | |
SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | feature not registered |
SAR 2W/kg (Europe, UK, etc.) | 0.456W/kg (head), 1.509W/kg (body) | 0.62W/kg (head) |