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LG K50S (X540HM) vs LG K51S (K510HM)

Side by side comparison between LG K50S vs LG K51S phones, differences, pros, cons with full specifications. What's the better?

,
LG K50S (X540HM)
6.5"
IPS

720x1520

13
MP

13mp

3GB
RAM

64bit Octa

4000
mAh

(Non removable)

vs
LG K51S (K510HM)
6.55"
IPS

720x1600

32
MP

13mp

3GB
RAM

64bit Octa

4000
mAh

(Non removable)

What's the better phone? LG K51S (K510HM)

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!

K50S (X540HM)5 Advantages LG K50S (X540HM)vsK51S (K510HM)9 Advantages LG K51S (K510HM)
+8.2 millimeters (0.32 inches)1%
Thinner
vs8.26 millimeters (0.33 inches)
+Face unlockAdvantage
Sensors help you use the device
vsNot supported
+2 slots (Dual-SIM)
(dedicated slot)Advantage
It's more advantageous to have more than one phone operator in the same device
vs1 slot (Single-SIM)
(dedicated slot)
+802.11 a/b/g/n/ac (2.4Ghz, 5Ghz) + MIMOAdvantage
WiFi 802.11 a/b/g/n/ac (2.4Ghz, 5Ghz) + MIMO is newer and faster
vs802.11 b/g/n (2.4Ghz)
+DLNAAdvantage
With DLNA technology you can access and play media files on TV, tablet or DLNA compatible device.
vsNot supported
2Ghz 64bit Octa-Corevs+2.3Ghz 64bit Octa-Core23%
More powerful processor, you can open your applications faster
32GB (18GB available)vs+64GB (47GB available)161%
More internal storage for applications and files
720x1520 pixelsvs+720x1600 pixels5%
Higher resolution screen
259 PPIvs+268 PPI3%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
6.5"vs+6.55"1%
Larger screen
(triple camera) 13MP + 5MP + 2MPvs+(quad camera) 32MP + 5MP + 2MP + 2MP107%
Higher resolution main camera
f/2.2 (aperture)vs+f/1.8 (aperture)22%
Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.
Not supportedvs+CompassAdvantage
Sensors help you use the device
6Wvs+10W67%
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.

38 Common items in both devices
3GB LPDDR3
eMMC 5.1
Until 1TB microSD, microSDXC
194 grams (6.79 ounces)
Plastic body, glass front
TFT IPS LCD
60Hz
+31 specs and more in the table below

Check the comparison table below for more items that are not evaluated in comparison score above.

Highlight differencesClear highlight
Physical featuresLG K50S (X540HM)LG K51S (K510HM)
ModelK50S (X540HM)K51S (K510HM)
Other model namesLG K50s LM-X540HM, LMX540HMLG K51s LM-K510HM, LMK510HM (Single-Sim)
Country or region available(Latin America)
(Latin America)
(Latin America)
(Latin America)
BrandLGLG
Release dateSeptember, 2019April, 2020
Depth8.2 millimeters (0.32 inches)8.26 millimeters (0.33 inches)
Size (width x height)77.5 x 165.8 millimeters (3.05 x 6.53 in)76.7 x 165.2 millimeters (3.02 x 6.5 in)
Weight194 grams (6.79 ounces)194 grams (6.79 ounces)
Qwerty physical keyboardNot supportedNot supported
AntennaInternal antennaInternal antenna
Build, materialsPlastic body, glass frontPlastic body, glass front
Protection against water and othersMIL-STD-810G military certified: salt, dust, humidity, rain, vibration, solar radiation, transport and thermal shock resistant.MIL-STD-810G military certified: salt, dust, humidity, rain, vibration, solar radiation, transport and thermal shock resistant.
System (OS)LG K50S (X540HM)LG K51S (K510HM)
Operating systemAndroid 9.0 PieAndroid 9.0 Pie
Firmware updatefeature not registeredfeature not registered
HardwareLG K50S (X540HM)LG K51S (K510HM)
Chipset64bit - MediaTek MT6762 Helio P22 (12nm)64bit - MediaTek MT6765 Helio P35 (12nm)
CPU processorOcta-Core, 2 processors:
2Ghz Quad-Core ARM Cortex-A53
1.5Ghz Quad-Core ARM Cortex-A53
Octa-Core, 2 processors:
2.3Ghz Quad-Core ARM Cortex-A53
1.8Ghz Quad-Core ARM Cortex-A53
GPU graphical controllerPowerVR GE8320 650MhzPowerVR GE8320 680Mhz
RAM memory3GB LPDDR33GB LPDDR3
Internal storage32GB (18GB available)
eMMC 5.1
64GB (47GB available)
eMMC 5.1
External storageUntil 1TB microSD, microSDXC
(dedicated slot)
Until 1TB microSD, microSDXC
(dedicated slot)
DisplayLG K50S (X540HM)LG K51S (K510HM)
Display typeTFT IPS LCDTFT IPS LCD
Screen size6.5" inches6.55" inches
Screen-to-body ratio~82.1% (screen-to-body ratio)~81.7% (screen-to-body ratio)
Display resolution720x1520 pixels (19:9)720x1600 pixels (20:9)
TouchscreenCapacitive MultitouchCapacitive Multitouch
Pixel density (dot pitch)259 PPI268 PPI
Colors16 million16 million
Scratch-resistant glassNot supportedNot supported
Display features60Hz60Hz, 400 nits
Mobile networksLG K50S (X540HM)LG K51S (K510HM)
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 Mbps300/50 Mbps
Network technology2G, 3G, 4G2G, 3G, 4G
Frequency, bandsExpand band detailsCollapse 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 850/900/1700/1900/2100
Primary 4G networkLTE Cat6 (Bands 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 28, 66)
TD-LTE (Bands 38, 40)
LTE Cat6 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 28, 66)
TD-LTE (38)
Primary 5G networkNot supportedNot supported
Primary data networkGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-AGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A
Secondary 2G networkGSM 850/900/1800/1900Not supported
Secondary 3G networkNot supportedNot supported
Secondary 4G networkNot supportedNot supported
Secondary data networkGPRS, EDGENot supported
CallingLG K50S (X540HM)LG K51S (K510HM)
MessagingSMS (T9), MMS, E-mail, Push mailSMS (T9), MMS, E-mail, Push mail
SpeakerphoneSupportedSupported
Video callingSupportedSupported
Call controlVoice dialing, Voice recorderVoice dialing, Voice recorder, Voice commands
CameraLG K50S (X540HM)LG K51S (K510HM)
Back camera (main camera)(triple camera)
13 megapixels
5MP ultrawidef/2.21.12μm115º
2MP depthf/2.41.75μm85º
(quad camera)
32 megapixels
5MP ultrawidef/2.216mm1.12μm115º
2MP macrof/2.422mm1.75μm88.6º
2MP depthf/2.41.75μm
Main camera resolution4128x3096 pixels6528x4896 pixels
Video recording (primary)Full HD (1920x1080) 30 fpsFull HD (1920x1080) 30 fps
FlashLED flashLED flash
Focal aperturef/2.2 (aperture)f/1.8 (aperture)
Focal length26mm lens24mm lens
Sensor sizefeature not registeredfeature not registered
Pixel size1.12µm pixel0.8µm pixel
AutofocusPDAF: phase detection autofocusPDAF: phase detection autofocus
Touch focusSupportedSupported
Image stabilizationEIS: Digital stabilizationEIS: Digital stabilization
ZoomOnly digital zoomOnly digital zoom
Face/smile detectionFace detection, Smile detectionFace detection, Smile detection
BSI sensorNot supportedNot supported
HDRHDR photo on both camerasHDR photo on both cameras
2ª cameraLG K50S (X540HM)LG K51S (K510HM)
Front camera (secondary)13 megapixels13 megapixels
Front camera resolution4128x3096 pixels4128x3096 pixels
Video recording (secondary)Full HD (1920x1080)Full HD (1920x1080)
Front flashNot supportedNot supported
Focal aperturef/2.0 (aperture)f/2.0 (aperture)
Focal lengthfeature not registeredfeature not registered
Sensor sizefeature not registeredfeature not registered
Pixel size1.12µm pixelfeature not registered
MultimediaLG K50S (X540HM)LG K51S (K510HM)
RadioFMFM
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
ConnectivityLG K50S (X540HM)LG K51S (K510HM)
USBUSB 2.0 Type-C, USB OTG On-The-GoUSB 2.0 Type-C, USB OTG On-The-Go
TV outputNot supportedNot supported
Audio output3.5mm jack3.5mm jack
Bluetooth5.0 + A2DP/LE5.0 + A2DP/LE
WiFi802.11 a/b/g/n/ac (2.4Ghz, 5Ghz) + MIMO802.11 b/g/n (2.4Ghz)
DLNASupportedNot supported
NFCNot supportedNot supported
GPSA-GPS, GeoTagging, GLONASSA-GPS, GeoTagging
Infrared portNot supportedNot supported
Other functionsLG K50S (X540HM)LG K51S (K510HM)
Active noise cancellationSupportedSupported
Vibrating alertSupportedSupported
RingtonesPolyphonic and customizedPolyphonic and customized
Web browserHTML, XHTML, HTML5HTML, XHTML, HTML5
SensorsAccelerometer
Proximity sensor
Ambient Light sensor
Face unlock
Fingerprint sensor (rear-mounted)
Accelerometer
Proximity sensor
Compass
Ambient Light sensor
Fingerprint sensor (rear-mounted)
Other features- Colors: Aurora Black, Moroccan Blue
- DTS:X 3D surround sound
- Eco Playback
- WiFi direct, hotspot
- Colors: Titanium, Blue, Pink/Red
- Silicone case included
- Google Assistant (dedicated side button)
- DTS:X 3D audio
- WiFi direct, hotspot
Power supplyLG K50S (X540HM)LG K51S (K510HM)
BatteryLiPo: Li-Ion polymer (Non removable)LiPo: Li-Ion polymer (Non removable)
Battery capacity4000 mAh4000 mAh
Charger, watts6W (5V/1.2A) Standard charging10W (5V/2A) Standard charging
Talk time autonomy1080 minutes | 18 hours | 0.8 day630 minutes | 10.5 hours | 0.4 day
Standby30240 minutes | 504 hours | 21 days22200 minutes | 370 hours | 15.4 days
Radiation rateLG K50S (X540HM)LG K51S (K510HM)
SAR 1.6W/kg (USA, Mexico, etc.)feature not registeredfeature not registered
SAR 2W/kg (Europe, UK, etc.)feature not registeredfeature not registered
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