LG G8 ThinQ (G820N) vs Samsung Galaxy S25 Ultra (SM-S938B/DS 256GB)
Side by side comparison between LG G8 ThinQ vs Samsung Galaxy S25 Ultra phones, differences, pros, cons and full specifications. What's the better?
,
6.1"
POLED
POLED
1440x3120
12
MP
MP
8mp
6GB
RAM
RAM
Octa-core
3500
mAh
mAh
(Non removable)
vs
6.9"
AMOLED
AMOLED
1440x3120
200
MP
MP
12mp
12GB
RAM
RAM
Octa-core
5000
mAh
mAh
(Non removable)
What's the better phone? Samsung Galaxy S25 Ultra (SM-S938B/DS 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!
7 Advantages 
26 Advantages | 29 Common items in both devices |
| 16 million |
| 1440x3120 pixels |
| LED flash |
| Digital and optical zoom |
| PDAF on back camera and autofocus front camera / PDAF: phase detection autofocus on both cameras |
| OIS: Optical stabilization |
| BSI sensor |
| +22 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 | ||
| LG G8 ThinQ (G820N) | Galaxy S25 Ultra (SM-S938B/DS 256GB) | |
| Model | LG G8 ThinQ (G820N) | Galaxy S25 Ultra (SM-S938B/DS 256GB) |
| Other model names | LG G8 LM-G820N (LGU+, KT, SKT), LMG820N | Galaxy S25 Ultra SM-S938B/Dual-SIM |
| Country or region available |  South Korea |  (Global, International) |
| Brand | LG | Samsung |
| Release date | 3/1/2019, Announced: 2/24/2019 | 2/3/2025, Announced: 2/22/2025 |
| Depth | 8.4 millimeters (0.33 inches) | 8.2 millimeters (0.32 inches) |
| Size (width x height) | 71.882 x 151.892 millimeters (2.83 x 5.98 in) | 77.6 x 162.8 millimeters (3.06 x 6.41 in) |
| Weight | 167 grams (5.85 ounces) | 218 grams (7.63 ounces) |
| Build, materials | Aluminum frame, glass front/back | Titanium frame, glass front and back Back: Gorilla Armor 2 |
| Protection against water and others | IP68 certified: dust/waterproof over 1.5 meters and 30min. MIL-STD-810G military certified: salt, dust, humidity, rain, vibration, solar radiation, transport and thermal shock resistant. | IP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistant |
📲 Display | ||
| LG G8 ThinQ (G820N) | Galaxy S25 Ultra (SM-S938B/DS 256GB) | |
| Display type | P-OLED | LTPO AMOLED |
| Screen size | 6.1" inches | 6.9" inches |
| Screen-to-body ratio | ~83.7% (screen-to-body ratio) | ~92.5% (screen-to-body ratio) |
| Display resolution | 1440x3120 pixels (19.5:9) | 1440x3120 pixels (19.5:9) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch 10-points |
| Pixel density (dot pitch) | 563 PPI | 498 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass 5 | Gorilla Armor 2 |
| Refresh rate | 60Hz | 120Hz |
| Display features | HDR10 100% DCI-P3 Always-On Display | 2600nits[peak] HDR10+ Always-On Display |
🤖 Operating System | ||
| LG G8 ThinQ (G820N) | Galaxy S25 Ultra (SM-S938B/DS 256GB) | |
| System version | Android 9.0 Pie | Android 15 |
| Firmware update | Android 12 | feature not registered |
| User Interface | LG UX 8.0 / 9.0 / 10 / 11 | One UI 7.0 |
⚙️ Processor | ||
| LG G8 ThinQ (G820N) | Galaxy S25 Ultra (SM-S938B/DS 256GB) | |
| Chipset | 64bit: Qualcomm Snapdragon 855 (SM8150) (7nm) | 64bit: Qualcomm Snapdragon 8 Elite (SM8750-AB) (3nm) |
| CPU | Octa-core, 3 processors: 1x 2.84GHz Kryo 485 (Single-core) 3x 2.42GHz Kryo 485 (Triple-core) 4x 1.78GHz Kryo 485 (Quad-core) | Octa-core, 2 processors: 2x 4.47GHz Oryon V2 Phoenix L (Dual-core) 6x 3.53GHz Oryon V2 Phoenix M (Hexa-core) |
| GPU graphical controller | Qualcomm Adreno 640 (585MHz) | Qualcomm Adreno 830 (1100MHz) |
| Performance (benchmark) | AnTuTu: 331537 (v7), 362730 (v8) Geekbench: 10735 (v4.4), 2700 (v5.1) GFXBench: 20fps (ES 3.1 onscreen) | AnTuTu: 2207809 (v10) Geekbench: 9846 (v6) |
💽 Memory and storage | ||
| LG G8 ThinQ (G820N) | Galaxy S25 Ultra (SM-S938B/DS 256GB) | |
| RAM memory | 6GB LPDDR4X | 12GB LPDDR5X |
| Internal storage | 128GB (106GB available) UFS 2.1 | 256GB (223GB available) UFS 4.0 |
| External storage | Until 1TB microSD, microSDXC (dedicated slot) | Not supported |
📶 Mobile networks | ||
| LG G8 ThinQ (G820N) | Galaxy S25 Ultra (SM-S938B/DS 256GB) | |
| Dual-SIM | Not supported | Dual-SIM Standby - Call active on one sim card |
| SIM card | 1 slot (Single-SIM) nano-SIM (4FF) | 2 slots (Dual-SIM) nano-SIM (4FF) + e-SIM |
| Maximum Download / Upload | 1600/150 Mbps | 5000/1024 Mbps |
| Network technology | 2G, 3G, 4G | 2G, 3G, 4G, 5G |
| 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 | GSM 850/900/1800/1900 | CDMA 800/1900, GSM 850/900/1800/1900 |
| Primary 3G network | UMTS 800/850/900/1900/2100 | CDMA2000 1xEV-DO TD-SCDMA 1900/2000 UMTS |
| Primary 4G network | LTE Cat19 (1, 2, 3, 4, 5, 7, 12, 20, 26, 28) TD-LTE (38, 39, 40, 41) | LTE Cat24 () TD-LTE () VoLTE |
| Primary 5G network | Not supported | SA/NSA/Sub6 () |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A | 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 |
| Secondary 2G network | Not supported | CDMA 800/1900, GSM 850/900/1800/1900 |
| Secondary 3G network | Not supported | CDMA2000 1xEV-DO TD-SCDMA 1900/2000 UMTS |
| Secondary 4G network | Not supported | LTE Cat24 () TD-LTE () VoLTE |
| Secondary data network | Not supported | 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 |
📷 Camera | ||
| LG G8 ThinQ (G820N) | Galaxy S25 Ultra (SM-S938B/DS 256GB) | |
| Back camera (main camera) | (triple camera) 12 megapixels 16MP ultrawide f/1.91/3.1"16mm1.0µmFF 12MP telephoto f/2.452mm1.0μm2x-optical-zoomOISPDAF | (quad camera) 200 megapixels 10MP telephoto f/2.467mm1/3.52"1.12µmPDAFOIS3x-optical-zoom 50MP periscope telephoto f/3.4111mm1/2.52"0.7µmPDAFOIS5x-optical-zoom 50MP ultrawide f/1.9120°0.7µmPDAFSuper-Steady |
| Main camera resolution | 4000x3000 pixels | 20000x10000 pixels |
| Video recording (primary) | 4K UHD (3840x2160) 60 fps | 8K UHD (7680x4320) 30 fps |
| Flash | LED flash | LED flash |
| Focal aperture | f/1.5 (aperture) | f/1.7 (aperture) |
| Focal length | 27mm (lens) | 24mm (lens) |
| Sensor size | 1/2.6" inches | 1/1.3" inches |
| Pixel size | 1.4µm pixel | 0.6µm pixel |
| Autofocus | PDAF on back camera and autofocus front camera | PDAF: phase detection autofocus on both cameras |
| Touch focus | Supported | Supported |
| Image stabilization | OIS: Optical stabilization | OIS: Optical stabilization |
| Zoom | Digital and optical zoom | Digital and optical zoom |
| Face/smile detection | Face detection, Smile detection | Face detection, Smile detection |
| BSI sensor | Supported | Supported |
| HDR | HDR photo/video and HDR photo on front camera | HDR photo/video on both cameras |
| Camera extras | 1080p@30/60fps 720p@240fps | feature not registered |
📸 Front camera | ||
| LG G8 ThinQ (G820N) | Galaxy S25 Ultra (SM-S938B/DS 256GB) | |
| Front camera (secondary) | (dual front camera) 8 megapixels 0.3MP TOF f/1.4 | 12 megapixels |
| Front camera resolution | 3264x2448 pixels | 4000x3000 pixels |
| Video recording (secondary) | Full HD (1920x1080) | 4K UHD (3840x2160) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/1.7 (aperture) | f/2.2 (aperture) |
| Focal length | 26mm (lens) | 26mm (lens) |
| Sensor size | 1/3.6" inches | 1/3.2" inches |
| Pixel size | 1.22µm pixel | 1.12µm pixel |
🔉 Sound and multimedia | ||
| LG G8 ThinQ (G820N) | Galaxy S25 Ultra (SM-S938B/DS 256GB) | |
| Loudspeaker | Mono sound (not stereo) 32-bit/192kHz DTS:X | Stereo sound 32-bit/384kHz Tuned by AKG |
| Active noise cancellation | 2 microphones or more | 3 microphones |
| Radio | Not supported | Not supported |
| TV | Digital TV | Not supported |
| Video formats | MP4, H.265, H.264, H.263, XviD, MKV | MP4, H.265, H.264, H.263, XviD, MKV |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| LG G8 ThinQ (G820N) | Galaxy S25 Ultra (SM-S938B/DS 256GB) | |
| USB | USB 3.1 Type-C, USB OTG On-The-Go | USB 3.2 Type-C, USB OTG On-The-Go |
| Audio output | 3.5mm jack | Type-C reversible connector |
| TV output | USB Type-C (reversible) | USB Type-C (reversible) |
| Bluetooth | 5.0 + A2DP/LE | 5.4 + A2DP/LE |
| WiFi | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot | 802.11 a/b/g/n/ac/ax/be [wifi7/6E/6] (2.4GHz, 5GHz, 6GHz) + MIMO WiFi Direct, hotspot |
| DLNA | Supported | Supported |
| GPS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS |
| NFC | Supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| LG G8 ThinQ (G820N) | Galaxy S25 Ultra (SM-S938B/DS 256GB) | |
| Sensors | Accelerometer Ambient light sensor Barometer Compass Face unlock 2D Fingerprint sensor (rear-mounted) Gesture Gyroscope Hall effect Proximity sensor | Accelerometer Ambient light sensor Barometer Compass Face unlock 2D Fingerprint sensor (under display) Gyroscope Hall effect Proximity sensor UWB (Ultra Wideband) |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| LG G8 ThinQ (G820N) | Galaxy S25 Ultra (SM-S938B/DS 256GB) | |
| Battery type | LiPo: li-ion polymer (Non removable) | Li-Ion: lithium-ion (Non removable) |
| Battery capacity | 3500 mAh | 5000 mAh |
| Charger, watts | 21W Wired fast charging Quick Charge 3 USB Power Delivery 2.0 | 45W Wired fast charging Reverse charging by cable USB Power Delivery 3.0 |
| Inductive / wireless charging | 9W Qi wireless charging | 15W Qi wireless charging 4.5W Reverse wireless charging |
| Talk time autonomy | 19 hours | feature not registered |
| Standby | 412 hours (17.2 days) | feature not registered |
➕ Other features | ||
| LG G8 ThinQ (G820N) | Galaxy S25 Ultra (SM-S938B/DS 256GB) | |
| Call control | Voice dialing, Voice recorder | Voice dialing, Voice recorder, Voice commands |
| 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: Aurora Black, Moroccan Blue, Carmine Red • DMB TV (Korea) | • Samsung DeX • Samsung Wireless DeX • Stylus (S Pen) • Circle to Search |
☢️ Radiation rate | ||
| LG G8 ThinQ (G820N) | Galaxy S25 Ultra (SM-S938B/DS 256GB) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | feature not registered |