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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

720x1600

32
MP

13mp

3GB
RAM

Octa-core

4000
mAh

(Non removable)

vs
33Points Samsung Galaxy Note 20 Ultra 5G (SM-N986U 128GB) Compare LG K51S X
6.9"
AMOLED

1440x3088

108
MP

10mp

12GB
RAM

Octa-core

4500
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!

K51S (K510EMW)} 5 Advantages LG K51S (K510EMW) vs Galaxy Note 20 Ultra 5G (SM-N986U 128GB)} 33 Advantages Samsung Galaxy Note 20 Ultra 5G (SM-N986U 128GB)
+194 grams (6.79 ounces)7%
Lighter
vs208 grams (7.28 ounces)
+(front) 13MP27%
Higher resolution secondary camera to take pictures and selfies
vs(front) 10MP
+2 slots (Dual-SIM)
(dedicated slot)Advantage
You can have more mobile carriers/operators on the same device.
vs1 slot (Single-SIM)
(dedicated slot)
+3.5mm jackAdvantage
Headsets with 3.5mm Jack size are more common and easy to find in stores
vsType-C reversible connector
+MIL-STD-810G military certifiedAdvantage
Protection against water allows you talk to your friends in the rain, for example
vsIP68 certified
2.3GHz 64bit Octa-core (12nm)vs+3.09GHz 64bit Octa-core (7nm)32%
More powerful processor, you can open your applications faster
3GB LPDDR3vs+12GB LPDDR53 times
More RAM memory. Typically more responsive and better for multitasking.
64GB (47GB available)vs+128GB (103GB available)119%
More internal storage for applications and files
eMMC 5.1vs+UFS 3.0Advantage
Fastest write and read storage.
8.26 millimeters (0.33 inches)vs+8.1 millimeters (0.32 inches)2%
Thinner
Plastic body, glass frontvs+Stainless steel body, glass front/backAdvantage
More resistant material
TFT IPS LCDvs+Dynamic AMOLEDAdvantage
Dynamic AMOLED display is brighter and more vivid
Not supportedvs+HDR10+Advantage
The HDR10+ display provides vibrant colors and more details
60Hzvs+120Hz100%
The display reproduces more frames per second because the frequency (Hertz) is higher, improves fluidity and tires your eyes less.
720x1600 pixelsvs+1440x3088 pixels3 times
Higher resolution screen
268 PPIvs+494 PPI84%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
6.55"vs+6.9"5%
Larger screen
(quad camera) 32MP + 5MP + 2MP + 2MPvs+(triple camera) 108MP + 12MP + 12MP2 times
Higher resolution main camera
Only digital zoomvs+Digital and optical zoomAdvantage
The zoom allows for better focus and approach to take pictures
EIS: Digital stabilizationvs+OIS: Optical stabilizationAdvantage
Image stabilization prevents blurry photos and helps in recording motion video
Not supportedvs+BSI sensorAdvantage
The BSI sensor allows the entry of more light generating photos with more detail and brightness
Full HD (1920x1080)vs+8K UHD (7680x4320)15 times
More image quality for recording videos with the primary camera
(front) Full HD (1920x1080)vs+(front) 4K UHD (3840x2160)3 times
More image quality for recording videos with the secondary camera
Android 9.0 Pievs+Android 13Advantage
Android 13 is newer and safer
4G LTE-Avs+5G Sub6Advantage
The 5G Sub6 network is newer and faster
(4G LTE-A) 300 Mbpsvs+(5G Sub6) 5000 Mbps16 times
Faster for surfing the internet and download files
Not supportedvs+ANT+Advantage
Sensors help you use the device
Not supportedvs+BarometerAdvantage
Sensors help you use the device
Not supportedvs+Face unlockAdvantage
Sensors help you use the device
Not supportedvs+GyroscopeAdvantage
Sensors help you use the device
Not supportedvs+UWB (Ultra Wideband)Advantage
Sensors help you use the device
4000 mAhvs+4500 mAh13%
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
10Wvs+25W150%
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.
Not supportedvs+Qi wireless charging (Qi/PMA)Advantage
Wireless charging is another way to charge the battery.
Not supportedvs+FMAdvantage
The radio lets you listen to your songs and sports in general
802.11 a/b/g/n [wifi4]vs+802.11 a/b/g/n/ac/ax [wifi6]Advantage
WiFi 802.11 a/b/g/n/ac/ax [wifi6] is newer and faster
USB 2.0 Type-C, USB OTG On-The-Govs+USB 3.2 Type-C, USB OTG On-The-GoAdvantage
Newer and faster USB version for transferring photos, mp3 or data.
Not supportedvs+Gorilla Glass VictusAdvantage
Protection against scratches on the screen lets you carry your phone with your keys

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)
ModelK51S (K510EMW)Galaxy Note 20 Ultra 5G (SM-N986U 128GB)
Other model namesLG K51s LM-K510EMW, LMK510EMW (Dual-Sim + NFC)Galaxy Note20 Ultra SM-N986U (Snapdragon) - US Carriers
Country or region available(Europe)(Global, International)
(Europe), (Global, International)
USA
USA
BrandLGSamsung
Release date4/1/20208/21/2020, Announced: 8/5/2020
Depth8.26 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)
Weight194 grams (6.79 ounces)208 grams (7.28 ounces)
Build, materialsPlastic body, glass frontStainless steel body, glass front/back
Protection against water and othersMIL-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 typeTFT IPS LCDDynamic AMOLED
Screen size6.55" inches6.9" inches
Screen-to-body ratio~81.7% (screen-to-body ratio)~92.5% (screen-to-body ratio)
Display resolution720x1600 pixels (20:9)1440x3088 pixels
TouchscreenCapacitive MultitouchCapacitive Multitouch 10-points
Pixel density (dot pitch)268 PPI494 PPI
Colors16 million16 million
Scratch-resistant glassNot supportedGorilla Glass Victus
Refresh rate60Hz120Hz
Display features400nits[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 versionAndroid 9.0 PieAndroid 10
Firmware updatefeature not registeredAndroid 13
User Interfacefeature not registeredOne UI 2.5 / 3.1 / 4.1 / 5.0

⚙️ Processor

LG K51S (K510EMW)Galaxy Note 20 Ultra 5G (SM-N986U 128GB)
Chipset64bit: MediaTek Helio P35 (MT6765) (12nm)64bit: Qualcomm Snapdragon 865+ (SM8250-AB) (7nm)
CPUOcta-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 controllerPowerVR GE8320 MP2 (680MHz)Qualcomm Adreno 650 (250-646MHz)
Performance (benchmark)feature not registeredAnTuTu: 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 memory3GB LPDDR312GB LPDDR5
Internal storage64GB (47GB available)
eMMC 5.1
128GB (103GB available)
UFS 3.0
External storageUntil 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-SIMDual-SIM Standby - Call active on one sim card
(dedicated slot)
Not supported
SIM card2 slots (Dual-SIM)
nano-SIM (4FF)
1 slot (Single-SIM)
nano-SIM (4FF)
Maximum Download / Upload300/50 Mbps5000/1024 Mbps
Network technology2G, 3G, 4G2G, 3G, 4G, 5G
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 850/900/1900/2100UMTS 850/900/1700/1900/2100
Primary 4G networkLTE 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 networkNot supportedSA/NSA/Sub6 (2, 5, 41, 66, 71)
mmWave (260, 261)
Primary data networkGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-AGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6
Secondary 2G networkGSM 850/900/1800/1900Not supported
Secondary 3G networkNot supportedNot supported
Secondary 4G networkNot supportedNot supported
Secondary data networkGPRS, EDGENot 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 resolution6528x4896 pixels12000x9000 pixels
Video recording (primary)Full HD (1920x1080) 30 fps8K UHD (7680x4320) 24 fps
FlashLED flashLED flash
Focal aperturef/1.8 (aperture)f/1.8 (aperture)
Focal length24mm (lens)26mm (lens)
Sensor sizefeature not registered1/1.33" inches
Pixel size0.8µm pixel0.8µm pixel
AutofocusPDAF: phase detection autofocusPDAF: phase detection autofocus on both cameras
Touch focusSupportedSupported
Image stabilizationEIS: Digital stabilizationOIS: Optical stabilization
ZoomOnly digital zoomDigital and optical zoom
Face/smile detectionFace detection, Smile detectionFace detection, Smile detection
BSI sensorNot supportedSupported
HDRHDR photo on both camerasHDR photo/video on both cameras
Camera extrasfeature not registered4K@60fps
1080p@240fps
720p@960fps

📸 Front camera

LG K51S (K510EMW)Galaxy Note 20 Ultra 5G (SM-N986U 128GB)
Front camera (secondary)13 megapixels10 megapixels
Front camera resolution4128x3096 pixels3872x2592 pixels
Video recording (secondary)Full HD (1920x1080)4K UHD (3840x2160)
Front flashNot supportedNot supported
Focal aperturef/2.0 (aperture)f/2.2 (aperture)
Focal lengthfeature not registered26mm (lens)
Sensor sizefeature not registered1/3.2" inches
Pixel sizefeature not registered1.22µm pixel

🔉 Sound and multimedia

LG K51S (K510EMW)Galaxy Note 20 Ultra 5G (SM-N986U 128GB)
LoudspeakerSupportedStereo sound
32-bit/384kHz
Dolby Atmos
Tuned by AKG
Active noise cancellation2 microphones or more2 microphones or more
RadioNot supportedFM
TVNot supportedNot supported
Video formatsMP4, H.265, H.264, H.263, XviD, MKVMP4, H.265, H.264, H.263, XviD, MKV
Audio formatsMP3, WAV, WMA, eAAC+, FLACMP3, WAV, WMA, eAAC+, FLAC

🔌 Connectivity

LG K51S (K510EMW)Galaxy Note 20 Ultra 5G (SM-N986U 128GB)
USBUSB 2.0 Type-C, USB OTG On-The-GoUSB 3.2 Type-C, USB OTG On-The-Go
Audio output3.5mm jackType-C reversible connector
TV outputNot supportedUSB Type-C (reversible)
Bluetooth5.0 + A2DP/LE5.0 + A2DP/LE
WiFi802.11 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
DLNASupportedSupported
GPSA-GPS, GeoTaggingA-GPS, GeoTagging, GLONASS, GALILEO, BeiDou
NFCSupportedSupported
Infrared portNot supportedNot supported

🧭 Sensors

LG K51S (K510EMW)Galaxy Note 20 Ultra 5G (SM-N986U 128GB)
SensorsAccelerometer
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 alertSupportedSupported

🔋 Battery

LG K51S (K510EMW)Galaxy Note 20 Ultra 5G (SM-N986U 128GB)
Battery typeLiPo: li-ion polymer (Non removable)Li-Ion: lithium-ion (Non removable)
Battery capacity4000 mAh4500 mAh
Charger, watts10W (5V/2A) Wired charging25W Wired fast charging
USB Power Delivery 3.0
Inductive / wireless chargingNot supported15W Qi wireless charging (Qi/PMA)
4.5W Reverse wireless charging
Talk time autonomy10.5 hoursfeature not registered
Standby370 hours (15.4 days)feature not registered

➕ Other features

LG K51S (K510EMW)Galaxy Note 20 Ultra 5G (SM-N986U 128GB)
Call controlVoice dialing, Voice recorder, Voice commandsVoice dialing, Voice recorder, Voice commands
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: 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 registered0.83W/kg (head), 1.04W/kg (body)
SAR 2W/kg (Europe, UK, etc.)feature not registeredfeature not registered
X

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