LG K51S (K510EMW) vs Samsung Galaxy Note 20 Ultra 5G (SM-N986U 128GB)
Side by side comparison between LG K51S vs Samsung Galaxy Note 20 Ultra 5G phones, differences, pros, cons and full specifications. What's the better?
,
6.55"
IPS
IPS
720x1600
32
MP
MP
13mp
3GB
RAM
RAM
Octa-core
4000
mAh
mAh
(Non removable)
vs
6.9"
AMOLED
AMOLED
1440x3088
108
MP
MP
10mp
12GB
RAM
RAM
Octa-core
4500
mAh
mAh
(Non removable)
What's the better phone? Samsung Galaxy Note 20 Ultra 5G (SM-N986U 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!
5 Advantages 
33 Advantages | 23 Common items in both devices |
| Until 1TB microSD, microSDXC |
| 16 million |
| LED flash |
| PDAF: phase detection autofocus / PDAF: phase detection autofocus on both cameras |
| HDR photo on both cameras / HDR photo/video on both cameras |
| f/1.8 (aperture) |
| Capacitive |
| +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 differences Clear highlight📱 Model features | ||
| LG K51S (K510EMW) | Galaxy Note 20 Ultra 5G (SM-N986U 128GB) | |
| Model | K51S (K510EMW) | Galaxy Note 20 Ultra 5G (SM-N986U 128GB) |
| Other model names | LG K51s LM-K510EMW, LMK510EMW (Dual-Sim + NFC) | Galaxy Note20 Ultra SM-N986U (Snapdragon) - US Carriers |
| Country or region available |   (Europe), (Global, International) |  USA |
| Brand | LG | Samsung |
| Release date | 4/1/2020 | 8/21/2020, Announced: 8/5/2020 |
| Depth | 8.26 millimeters (0.33 inches) | 8.1 millimeters (0.32 inches) |
| Size (width x height) | 76.7 x 165.2 millimeters (3.02 x 6.5 in) | 77.2 x 164.8 millimeters (3.04 x 6.49 in) |
| Weight | 194 grams (6.79 ounces) | 208 grams (7.28 ounces) |
| Build, materials | Plastic body, glass front | Stainless steel body, glass front/back |
| Protection against water and others | 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 K51S (K510EMW) | Galaxy Note 20 Ultra 5G (SM-N986U 128GB) | |
| Display type | TFT IPS LCD | Dynamic AMOLED |
| Screen size | 6.55" inches | 6.9" inches |
| Screen-to-body ratio | ~81.7% (screen-to-body ratio) | ~92.5% (screen-to-body ratio) |
| Display resolution | 720x1600 pixels (20:9) | 1440x3088 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch 10-points |
| Pixel density (dot pitch) | 268 PPI | 494 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Not supported | Gorilla Glass Victus |
| Refresh rate | 60Hz | 120Hz |
| Display features | 400nits[typ] | 1500nits[peak] HDR10+ Always-On Display 120Hz@FHD 60Hz@QHD |
🤖 Operating System | ||
| LG K51S (K510EMW) | Galaxy Note 20 Ultra 5G (SM-N986U 128GB) | |
| System version | Android 9.0 Pie | Android 10 |
| Firmware update | feature not registered | Android 13 |
| User Interface | feature not registered | One UI 2.5 / 3.1 / 4.1 / 5.0 |
⚙️ Processor | ||
| LG K51S (K510EMW) | Galaxy Note 20 Ultra 5G (SM-N986U 128GB) | |
| Chipset | 64bit: MediaTek Helio P35 (MT6765) (12nm) | 64bit: Qualcomm Snapdragon 865+ (SM8250-AB) (7nm) |
| CPU | Octa-core, 2 processors: 4x 2.3GHz ARM Cortex-A53 (Quad-core) 4x 1.8GHz ARM Cortex-A53 (Quad-core) | Octa-core, 3 processors: 1x 3.09GHz Kryo 585 (Single-core) 3x 2.42GHz Kryo 585 (Triple-core) 4x 1.8GHz Kryo 585 (Quad-core) |
| GPU graphical controller | PowerVR GE8320 MP2 (680MHz) | Qualcomm Adreno 650 (250-646MHz) |
| Performance (benchmark) | feature not registered | AnTuTu: 508760 (v8) Geekbench: 2603 (v5.1) GFXBench: 42fps (ES 3.1 onscreen) |
💽 Memory and storage | ||
| LG K51S (K510EMW) | Galaxy Note 20 Ultra 5G (SM-N986U 128GB) | |
| RAM memory | 3GB LPDDR3 | 12GB LPDDR5 |
| Internal storage | 64GB (47GB available) eMMC 5.1 | 128GB (103GB available) UFS 3.0 |
| External storage | Until 1TB microSD, microSDXC (dedicated slot) | Until 1TB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| LG K51S (K510EMW) | Galaxy Note 20 Ultra 5G (SM-N986U 128GB) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card (dedicated slot) | Not supported |
| SIM card | 2 slots (Dual-SIM) nano-SIM (4FF) | 1 slot (Single-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 300/50 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 | GSM 850/900/1800/1900 |
| Primary 3G network | UMTS 850/900/1900/2100 | UMTS 850/900/1700/1900/2100 |
| Primary 4G network | LTE Cat6 (1, 3, 7, 8, 20) TD-LTE (38) | LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 29, 30, 66) TD-LTE (38, 39, 40, 41, 46) VoLTE |
| Primary 5G network | Not supported | SA/NSA/Sub6 (2, 5, 41, 66, 71) mmWave (260, 261) |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6 |
| Secondary 2G network | GSM 850/900/1800/1900 | Not supported |
| Secondary 3G network | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | GPRS, EDGE | Not supported |
📷 Camera | ||
| LG K51S (K510EMW) | Galaxy Note 20 Ultra 5G (SM-N986U 128GB) | |
| Back camera (main camera) | (quad camera) 32 megapixels 5MP ultrawide f/2.216mm1.12μm115° 2MP macro f/2.422mm1.75μm88.6° 2MP depth f/2.41.75μm | (triple camera) 108 megapixels 12MP periscope telephoto f/3.0120mm1.0µmPDAFOIS5x-optical-zoom50x-hybrid-zoom 12MP ultrawide f/2.2120°13mm1/2.55"1.4µm |
| Main camera resolution | 6528x4896 pixels | 12000x9000 pixels |
| Video recording (primary) | Full HD (1920x1080) 30 fps | 8K UHD (7680x4320) 24 fps |
| Flash | LED flash | LED flash |
| Focal aperture | f/1.8 (aperture) | f/1.8 (aperture) |
| Focal length | 24mm (lens) | 26mm (lens) |
| Sensor size | feature not registered | 1/1.33" inches |
| Pixel size | 0.8µm pixel | 0.8µm pixel |
| Autofocus | PDAF: phase detection autofocus | PDAF: phase detection autofocus on both cameras |
| Touch focus | Supported | Supported |
| Image stabilization | EIS: Digital stabilization | OIS: Optical stabilization |
| Zoom | Only digital zoom | Digital and optical zoom |
| Face/smile detection | Face detection, Smile detection | Face detection, Smile detection |
| BSI sensor | Not supported | Supported |
| HDR | HDR photo on both cameras | HDR photo/video on both cameras |
| Camera extras | feature not registered | 4K@60fps 1080p@240fps 720p@960fps |
📸 Front camera | ||
| LG K51S (K510EMW) | Galaxy Note 20 Ultra 5G (SM-N986U 128GB) | |
| Front camera (secondary) | 13 megapixels | 10 megapixels |
| Front camera resolution | 4128x3096 pixels | 3872x2592 pixels |
| Video recording (secondary) | Full HD (1920x1080) | 4K UHD (3840x2160) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.0 (aperture) | f/2.2 (aperture) |
| Focal length | feature not registered | 26mm (lens) |
| Sensor size | feature not registered | 1/3.2" inches |
| Pixel size | feature not registered | 1.22µm pixel |
🔉 Sound and multimedia | ||
| LG K51S (K510EMW) | Galaxy Note 20 Ultra 5G (SM-N986U 128GB) | |
| Loudspeaker | Supported | Stereo sound 32-bit/384kHz Dolby Atmos Tuned by AKG |
| Active noise cancellation | 2 microphones or more | 2 microphones or more |
| Radio | Not supported | FM |
| TV | Not supported | 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 K51S (K510EMW) | Galaxy Note 20 Ultra 5G (SM-N986U 128GB) | |
| USB | USB 2.0 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 | Not supported | USB Type-C (reversible) |
| Bluetooth | 5.0 + A2DP/LE | 5.0 + A2DP/LE |
| WiFi | 802.11 a/b/g/n [wifi4] (2.4GHz, 5GHz) WiFi Direct, hotspot | 802.11 a/b/g/n/ac/ax [wifi6] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot |
| DLNA | Supported | Supported |
| GPS | A-GPS, GeoTagging | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou |
| NFC | Supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| LG K51S (K510EMW) | Galaxy Note 20 Ultra 5G (SM-N986U 128GB) | |
| Sensors | Accelerometer Ambient light sensor Compass Fingerprint sensor (rear-mounted) Proximity sensor | Accelerometer Ambient light sensor ANT+ Barometer Compass Face unlock Fingerprint sensor (under display) Gyroscope Hall effect Proximity sensor UWB (Ultra Wideband) |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| LG K51S (K510EMW) | Galaxy Note 20 Ultra 5G (SM-N986U 128GB) | |
| Battery type | LiPo: li-ion polymer (Non removable) | Li-Ion: lithium-ion (Non removable) |
| Battery capacity | 4000 mAh | 4500 mAh |
| Charger, watts | 10W (5V/2A) Wired charging | 25W Wired fast charging USB Power Delivery 3.0 |
| Inductive / wireless charging | Not supported | 15W Qi wireless charging (Qi/PMA) 4.5W Reverse wireless charging |
| Talk time autonomy | 10.5 hours | feature not registered |
| Standby | 370 hours (15.4 days) | feature not registered |
➕ Other features | ||
| LG K51S (K510EMW) | Galaxy Note 20 Ultra 5G (SM-N986U 128GB) | |
| Call control | Voice dialing, Voice recorder, Voice commands | 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: Titanium, Blue, Pink/Red • Silicone case included • Google Assistant (dedicated side button) • DTS:X 3D audio | • Colors: Mystic Black, Mystic Bronze, Mystic White • Ultrasonic fingerprint sensor • Bixby • Samsung Wireless DeX • Samsung Pay (MST, NFC) • Stylus pen (Bluetooth integration) |
☢️ Radiation rate | ||
| LG K51S (K510EMW) | Galaxy Note 20 Ultra 5G (SM-N986U 128GB) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | 0.83W/kg (head), 1.04W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | feature not registered |