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Samsung Galaxy J3 2018 (SM-J337U) vs LG K51 (K500MM)

Side by side comparison between Samsung Galaxy J3 (2018) vs LG K51 phones, differences, pros, cons with full specifications. What's the better?

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Compare LG K51 XSamsung Galaxy J3 2018 (SM-J337U)04Points
Samsung Galaxy J3 2018 (SM-J337U)
5"
IPS

720x1280

8
MP

5mp

2GB
RAM

64bit Quad

2600
mAh

(Removable)

vs
LG K51 (K500MM)
6.5"
IPS

720x1560

13
MP

13mp

3GB
RAM

64bit Octa

4000
mAh

(Non removable)

What's the better phone? LG K51 (K500MM)

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!

Galaxy J3 2018 (SM-J337U)4 Advantages Samsung Galaxy J3 2018 (SM-J337U)vsK51 (K500MM)22 Advantages LG K51 (K500MM)
+152 grams (5.32 ounces)34%
Lighter
vs204 grams (7.14 ounces)
+294 PPI11%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
vs264 PPI
+Li-Ion: Lithium-Ion (Removable)Advantage
Removable battery can be replaced easily
vsLiPo: Li-Ion polymer (Non removable)
+FMAdvantage
The radio lets you listen to your songs and sports in general
vsNot supported
1.4Ghz 64bit Quad-Corevs+2Ghz 64bit Octa-Core78%
More powerful processor, you can open your applications faster
2GB LPDDR3vs+3GB LPDDR350%
More RAM memory. Typically more responsive and better for multitasking.
16GB (9GB available)vs+32GB (18GB available)100%
More internal storage for applications and files
eMMC 5.0vs+eMMC 5.1Advantage
Fastest write and read storage.
9 millimeters (0.35 inches)vs+8.47 millimeters (0.33 inches)6%
Thinner
720x1280 pixelsvs+720x1560 pixels22%
Higher resolution screen
5"vs+6.5"30%
Larger screen
(back) 8MPvs+(triple camera) 13MP + 5MP + 2MP148%
Higher resolution main camera
HDR photo only main cameravs+HDR photo on both camerasAdvantage
The HDR technology produced photos with more detail in dark areas
f/1.9 (aperture)vs+f/1.8 (aperture)6%
Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.
(front) 5MPvs+(front) 13MP160%
Higher resolution secondary camera to take pictures and selfies
Android 8.0 Oreovs+Android 10Advantage
Android 10 is newer and safer
(4G LTE) 150 Mbpsvs+(4G+ LTE-A) 300 Mbps100%
Faster for surfing the internet and download files
Not supportedvs+Ambient Light sensorAdvantage
Sensors help you use the device
Not supportedvs+Fingerprint sensor (rear-mounted)Advantage
Sensors help you use the device
2600 mAhvs+4000 mAh54%
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
Not supportedvs+Active noise cancellationAdvantage
Noise-canceling microphone allows better call quality
802.11 b/g/n (2.4Ghz)vs+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
4.2 + A2DPvs+5.0 + A2DP/LEAdvantage
Bluetooth 5.0 + A2DP/LE is newer and faster
MicroUSB 2.0vs+Type-CAdvantage
Reversible connector, you can stick in a USB-C cable any which way; either side is up.
Not supportedvs+Panda King GlassAdvantage
Protection against scratches on the screen lets you carry your phone with your keys
Not supportedvs+MIL-STD-810G military certifiedAdvantage
Protection against water allows you talk to your friends in the rain, for example

24 Common items in both devices
Until 512GB microSD, microSDXC / Until 1TB microSD, microSDXC
Plastic body, glass front
TFT IPS LCD
16 million
LED flash
Only digital zoom
Autofocus / PDAF: phase detection autofocus
+17 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 featuresSamsung Galaxy J3 2018 (SM-J337U)LG K51 (K500MM)
ModelGalaxy J3 2018 (SM-J337U)K51 (K500MM)
Other model namesGalaxy J3 (2018) Unlocked SM-J337UZKAXAALG K51 (Metro by T-Mobile) LMK500MMAMTPTN, LM-K500MM
Country or region availableUSA
USA
USA
USA
BrandSamsungLG
Release dateMay, 2018May, 2020
Depth9 millimeters (0.35 inches)8.47 millimeters (0.33 inches)
Size (width x height)70.2 x 142.8 millimeters (2.76 x 5.62 in)77.92 x 166.96 millimeters (3.07 x 6.57 in)
Weight152 grams (5.32 ounces)204 grams (7.14 ounces)
Qwerty physical keyboardNot supportedNot supported
AntennaInternal antennaInternal antenna
Build, materialsPlastic body, glass frontPlastic body, glass front
Protection against water and othersNot supportedMIL-STD-810G military certified: salt, dust, humidity, rain, vibration, solar radiation, transport and thermal shock resistant.
System (OS)Samsung Galaxy J3 2018 (SM-J337U)LG K51 (K500MM)
Operating systemAndroid 8.0 OreoAndroid 10
Firmware updatefeature not registeredfeature not registered
HardwareSamsung Galaxy J3 2018 (SM-J337U)LG K51 (K500MM)
Chipset64bit - Samsung Exynos 7 Quad 7570 (14nm)64bit - MediaTek MT6762 Helio P22 (12nm)
CPU processor1.4Ghz Quad-Core ARM Cortex-A53Octa-Core, 2 processors:
2Ghz Quad-Core ARM Cortex-A53
1.5Ghz Quad-Core ARM Cortex-A53
GPU graphical controllerARM Mali-T720 MP2PowerVR GE8320 650Mhz
RAM memory2GB LPDDR33GB LPDDR3
Internal storage16GB (9GB available)
eMMC 5.0
32GB (18GB available)
eMMC 5.1
External storageUntil 512GB microSD, microSDXC
(dedicated slot)
Until 1TB microSD, microSDXC
(dedicated slot)
DisplaySamsung Galaxy J3 2018 (SM-J337U)LG K51 (K500MM)
Display typeTFT IPS LCDTFT IPS LCD
Screen size5" inches6.5" inches
Screen-to-body ratio~68.8% (screen-to-body ratio)~79.7% (screen-to-body ratio)
Display resolution720x1280 pixels720x1560 pixels (19.5:9)
TouchscreenCapacitive MultitouchCapacitive Multitouch
Pixel density (dot pitch)294 PPI264 PPI
Colors16 million16 million
Scratch-resistant glassNot supportedPanda King Glass
Display featuresfeature not registered60Hz
Mobile networksSamsung Galaxy J3 2018 (SM-J337U)LG K51 (K500MM)
Dual-SIMNot supportedNot supported
SIM card1 slot (Single-SIM)
nano-SIM (4FF)
1 slot (Single-SIM)
nano-SIM (4FF)
Maximum download/upload150/50 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 850/900/1900/2100
Primary 4G networkLTE Cat4 (Bands 2, 3, 4, 5, 7, 12, 14)LTE Cat6 (1, 2, 3, 4, 5, 7, 12, 13, 20, 25, 26, 66, 71)
TD-LTE (38, 41)
Primary 5G networkNot supportedNot supported
Primary data networkGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTEGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A
Secondary 2G networkNot supportedNot supported
Secondary 3G networkNot supportedNot supported
Secondary 4G networkNot supportedNot supported
Secondary data networkNot supportedNot supported
CallingSamsung Galaxy J3 2018 (SM-J337U)LG K51 (K500MM)
MessagingSMS (T9), MMS, E-mail, Push mailSMS (T9), MMS, E-mail, Push mail
SpeakerphoneSupportedSupported
Video callingSupportedSupported
Call controlVoice dialing, Voice recorderVoice dialing, Voice recorder
CameraSamsung Galaxy J3 2018 (SM-J337U)LG K51 (K500MM)
Back camera (main camera)8 megapixels(triple camera)
13 megapixels
5MP ultrawidef/2.21.12μm1/5"115º
2MP depthf/2.41.75μm1/5"85º
Main camera resolution3264x2448 pixels4128x3096 pixels
Video recording (primary)Full HD (1920x1080) 30 fpsFull HD (1920x1080) 30 fps
FlashLED flashLED flash
Focal aperturef/1.9 (aperture)f/1.8 (aperture)
Focal lengthfeature not registered26mm lens
Sensor sizefeature not registered1/3" inches
Pixel sizefeature not registered1.12µm pixel
AutofocusAutofocusPDAF: 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 only main cameraHDR photo on both cameras
2ª cameraSamsung Galaxy J3 2018 (SM-J337U)LG K51 (K500MM)
Front camera (secondary)5 megapixels13 megapixels
Front camera resolution2560x1920 pixels4128x3096 pixels
Video recording (secondary)Full HD (1920x1080)Full HD (1920x1080)
Front flashNot supportedNot supported
Focal aperturef/2.2 (aperture)f/2.0 (aperture)
Focal lengthfeature not registeredfeature not registered
Sensor sizefeature not registered1/3" inches
Pixel sizefeature not registered1.12µm pixel
MultimediaSamsung Galaxy J3 2018 (SM-J337U)LG K51 (K500MM)
RadioFMNot supported
TVNot supportedNot supported
Video formatsMP4, H.264, H.263, XviD, MKVMP4, H.265, H.264, H.263, XviD, MKV
Audio formatsMP3, WAV, WMA, eAAC+, FLACMP3, WAV, WMA, eAAC+, FLAC
ConnectivitySamsung Galaxy J3 2018 (SM-J337U)LG K51 (K500MM)
USBMicroUSB 2.0USB 2.0 Type-C, USB OTG On-The-Go
TV outputNot supportedNot supported
Audio output3.5mm jack3.5mm jack
Bluetooth4.2 + A2DP5.0 + A2DP/LE
WiFi802.11 b/g/n (2.4Ghz)802.11 a/b/g/n/ac (2.4Ghz, 5Ghz) + MIMO
DLNANot supportedNot supported
NFCNot supportedNot supported
GPSA-GPS, GeoTagging, GLONASSA-GPS, GeoTagging, GLONASS
Infrared portNot supportedNot supported
Other functionsSamsung Galaxy J3 2018 (SM-J337U)LG K51 (K500MM)
Active noise cancellationNot supportedSupported
Vibrating alertSupportedSupported
RingtonesPolyphonic and customizedPolyphonic and customized
Web browserHTML, XHTML, HTML5HTML, XHTML, HTML5
SensorsAccelerometer
Proximity sensor
Compass
Gyroscope
Accelerometer
Proximity sensor
Compass
Ambient Light sensor
Gyroscope
Fingerprint sensor (rear-mounted)
Other features- Colors: Black
- WiFi direct, hotspot
- Colors: Titan gray
- Google Assistant
- DTS:X 3D sound surround
- HAC M3/T3
- WiFi direct, hotspot
Power supplySamsung Galaxy J3 2018 (SM-J337U)LG K51 (K500MM)
BatteryLi-Ion: Lithium-Ion (Removable)LiPo: Li-Ion polymer (Non removable)
Battery capacity2600 mAh4000 mAh
Charger, watts Standard charging10W (5V/2A) Standard charging
Talk time autonomyfeature not registered1260 minutes | 21 hours | 0.9 day
Standbyfeature not registered34560 minutes | 576 hours | 24 days
Radiation rateSamsung Galaxy J3 2018 (SM-J337U)LG K51 (K500MM)
SAR 1.6W/kg (USA, Mexico, etc.)1.2W/kg (head) | 1.58W/kg (body)feature not registered
SAR 2W/kg (Europe, UK, etc.)feature not registeredfeature not registered
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