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Samsung Galaxy Amp 2 (SM-J120AZ) vs LG K31 (K300QM)

Side by side comparison between Samsung Galaxy Amp 2 vs LG K31 phones, differences, pros, cons and full specifications. What's the better?

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Compare LG K31 X Samsung Galaxy Amp 2 (SM-J120AZ) 05Points
4.5"
AMOLED

480x800

5
MP

2mp

1GB
RAM

Quad-core

2050
mAh

(Removable)

vs
5.7"
IPS

720x1520

13
MP

5mp

2GB
RAM

Octa-core

3000
mAh

(Non removable)

What's the better phone? LG K31 (K300QM)

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 Amp 2 (SM-J120AZ)} 5 Advantages Samsung Galaxy Amp 2 (SM-J120AZ) vs K31 (K300QM)} 21 Advantages LG K31 (K300QM)
+131 grams (4.59 ounces)11%
Lighter
vs146 grams (5.11 ounces)
+Super AMOLEDAdvantage
Super AMOLED display is brighter and more vivid
vsTFT IPS LCD
+Proximity sensorAdvantage
Sensors help you use the device
vsNot supported
+Li-Ion: lithium-ion (Removable)Advantage
Removable battery can be replaced easily
vsLi-Ion: lithium-ion (Non removable)
+FM (RDS)Advantage
The radio lets you listen to your songs and sports in general
vsNot supported
1.3GHz 32bit Quad-corevs+2GHz 64bit Octa-core (12nm)122%
More powerful processor, you can open your applications faster
1GBvs+2GB LPDDR3100%
More RAM memory. Typically more responsive and better for multitasking.
8GB (4GB available)vs+32GB (17GB available)3 times
More internal storage for applications and files
Until 256GB microSD, microSDXCvs+Until 512GB microSD, microSDXC100%
More external storage for files using memory cards
8.9 millimeters (0.35 inches)vs+8.6 millimeters (0.34 inches)3%
Thinner
480x800 pixelsvs+720x1520 pixels185%
Higher resolution screen
207 PPIvs+295 PPI43%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
4.5"vs+5.7"27%
Larger screen
(back) 5MPvs+(dual camera) 13MP + 5MP3 times
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/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.
(front) 2MPvs+(front) 5MP156%
Higher resolution secondary camera to take pictures and selfies
HD (1280x720)vs+Full HD (1920x1080)125%
More image quality for recording videos with the primary camera
(front) VGA (640x480)vs+(front) Full HD (1920x1080)6 times
More image quality for recording videos with the secondary camera
Android 6.0.1 Marshmallowvs+Android 10Advantage
Android 10 is newer and safer
Not supportedvs+Fingerprint sensor (rear-mounted)Advantage
Sensors help you use the device
2050 mAhvs+3000 mAh46%
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
Not supportedvs+Active noise cancellationAdvantage
More noise-canceling microphones allow for better quality in calls and audio for recorded videos
4.0 + A2DPvs+5.0 + A2DP/LEAdvantage
Bluetooth 5.0 + A2DP/LE is newer and faster
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

19 Common items in both devices
Plastic body, glass front
16 million
LED flash
Only digital zoom
Autofocus / PDAF: phase detection autofocus
EIS: Digital stabilization
4G LTE
+12 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

๐Ÿ“ฑ Model features

Galaxy Amp 2 (SM-J120AZ)LG K31 (K300QM)
Change model 
ModelGalaxy Amp 2 (SM-J120AZ)K31 (K300QM)
Other model namesCricket Samsung Galaxy J1 SM-J120AZ (4G LTE)LG K31 (Unlocked), LMK300QMAUSASV, LM-K300Q
Country or region availableUSA
USA
USA
USA
BrandSamsungLG
Release date4/1/20168/21/2020
Depth8.9 millimeters (0.35 inches)8.6 millimeters (0.34 inches)
Size (width x height)69.3 x 132.6 millimeters (2.73 x 5.22 in)71.12 x 147.83 millimeters (2.8 x 5.82 in)
Weight131 grams (4.59 ounces)146 grams (5.11 ounces)
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.

๐Ÿ“ฒ Display

Galaxy Amp 2 (SM-J120AZ)LG K31 (K300QM)
Display typeSuper AMOLEDTFT IPS LCD
Screen size4.5" inches5.7" inches
Screen-to-body ratio~62.7% (screen-to-body ratio)~77.1% (screen-to-body ratio)
Display resolution480x800 pixels720x1520 pixels (19:9)
TouchscreenCapacitive MultitouchCapacitive Multitouch
Pixel density (dot pitch)207 PPI295 PPI
Colors16 million16 million
Scratch-resistant glassNot supportedPanda King Glass
Refresh ratefeature not registered60Hz
Display featuresfeature not registeredNot supported

๐Ÿค– Operating System

Galaxy Amp 2 (SM-J120AZ)LG K31 (K300QM)
System versionAndroid 6.0.1 MarshmallowAndroid 10
Firmware updatefeature not registeredfeature not registered
User Interfacefeature not registeredfeature not registered

โš™๏ธ Processor

Galaxy Amp 2 (SM-J120AZ)LG K31 (K300QM)
Chipset32bit: Spreadtrum SC9830A (28nm)64bit: MediaTek Helio P22 (MT6762) (12nm)
CPUQuad-core, 1 processor:
4x 1.3GHz ARM Cortex-A7 (Quad-core)
Octa-core, 2 processors:
4x 2GHz ARM Cortex-A53 (Quad-core)
4x 1.5GHz ARM Cortex-A53 (Quad-core)
GPU graphical controllerARM Mali-400 MP2PowerVR GE8320 (650MHz)
Performance (benchmark)feature not registeredfeature not registered

๐Ÿ’ฝ Memory and storage

Galaxy Amp 2 (SM-J120AZ)LG K31 (K300QM)
RAM memory1GB2GB LPDDR3
Internal storage8GB (4GB available)32GB (17GB available)
eMMC 5.1
External storageUntil 256GB microSD, microSDXC
(dedicated slot)
Until 512GB microSD, microSDXC
(dedicated slot)

๐Ÿ“ถ Mobile networks

Galaxy Amp 2 (SM-J120AZ)LG K31 (K300QM)
Dual-SIMNot supportedNot supported
SIM card1 slot (Single-SIM)
micro-SIM (3FF)
1 slot (Single-SIM)
nano-SIM (4FF)
Maximum Download / Upload150/50 Mbps150/50 Mbps
Network technology2G, 3G, 4G2G, 3G, 4G
Frequency, bands Expand band details Collapse details
GSM MHz bandQuad-Band 850/900/1800/1900Quad-Band 850/900/1800/1900
Primary 2G networkGSM 850/900/1800/1900CDMA 800/1900, GSM 850/900/1800/1900
Primary 3G networkUMTS 850/900/1900/2100CDMA2000 1xEV-DO
UMTS 850/900/1700/1900/2100
Primary 4G networkLTE Cat4 (Bands 1, 2, 3, 4, 5, 7, 12)LTE Cat4 (2, 4, 5, 12, 13, 25, 26, 66, 71)
TD-LTE (41)
Primary 5G networkNot supportedNot supported
Primary data networkGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTEGPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE
Secondary 2G networkNot supportedNot supported
Secondary 3G networkNot supportedNot supported
Secondary 4G networkNot supportedNot supported
Secondary data networkNot supportedNot supported

๐Ÿ“ท Camera

Galaxy Amp 2 (SM-J120AZ)LG K31 (K300QM)
Back camera (main camera)5 megapixels(dual camera)
13 megapixels
5MP ultrawide f/2.2120ยฐ1/5.0"1.12ยตm
Main camera resolution2592x1944 pixels4128x3096 pixels
Video recording (primary)HD (1280x720) 30 fpsFull HD (1920x1080) 30 fps
FlashLED flashLED flash
Focal aperturef/2.2 (aperture)f/1.8 (aperture)
Focal lengthfeature not registered27mm (lens)
Sensor sizefeature not registered1/3.1" inches
Pixel sizefeature not registered1.12ยตm 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
Camera extrasfeature not registeredfeature not registered

๐Ÿ“ธ Front camera

Galaxy Amp 2 (SM-J120AZ)LG K31 (K300QM)
Front camera (secondary)2 megapixels5 megapixels
Front camera resolution1600x1200 pixels2560x1920 pixels
Video recording (secondary)VGA (640x480)Full HD (1920x1080)
Front flashNot supportedNot supported
Focal aperturef/2.2 (aperture)f/2.2 (aperture)
Focal lengthfeature not registered24mm (lens)
Sensor sizefeature not registered1/5" inches
Pixel sizefeature not registered1.12ยตm pixel

๐Ÿ”‰ Sound and multimedia

Galaxy Amp 2 (SM-J120AZ)LG K31 (K300QM)
LoudspeakerSupportedSupported
Active noise cancellationNot supported2 microphones or more
RadioFM (RDS)Not supported
TVNot supportedNot supported
Video formatsMP4, H.264, H.263, MKVMP4, H.265, H.264, H.263, XviD, MKV
Audio formatsMP3, WAV, eAAC+, FLACMP3, WAV, WMA, eAAC+, FLAC

๐Ÿ”Œ Connectivity

Galaxy Amp 2 (SM-J120AZ)LG K31 (K300QM)
USBMicroUSB 2.0MicroUSB 2.0
Audio output3.5mm jack3.5mm jack
TV outputNot supportedNot supported
Bluetooth4.0 + A2DP5.0 + A2DP/LE
WiFi802.11 b/g/n [wifi4] (2.4GHz)
WiFi Direct, hotspot
802.11 b/g/n [wifi4] (2.4GHz)
WiFi Direct, hotspot
DLNANot supportedNot supported
GPSA-GPS, GeoTagging, GLONASSA-GPS, GeoTagging
NFCNot supportedNot supported
Infrared portNot supportedNot supported

๐Ÿงญ Sensors

Galaxy Amp 2 (SM-J120AZ)LG K31 (K300QM)
SensorsAccelerometer
Proximity sensor
Accelerometer
Fingerprint sensor (rear-mounted)
Vibrating alertSupportedSupported

๐Ÿ”‹ Battery

Galaxy Amp 2 (SM-J120AZ)LG K31 (K300QM)
Battery typeLi-Ion: lithium-ion (Removable)Li-Ion: lithium-ion (Non removable)
Battery capacity2050 mAh3000 mAh
Charger, wattsWired chargingWired charging
Inductive / wireless chargingfeature not registeredNot supported
Talk time autonomy12 hours11 hours
Standby240 hours (10 days)528 hours (22 days)

โž• Other features

Galaxy Amp 2 (SM-J120AZ)LG K31 (K300QM)
Call controlVoice dialing, Voice recorderVoice 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
Miscellaneousโ€ข Colors: Blackโ€ข Colors: Silver
โ€ข LG UX 9.1

โ˜ข๏ธ Radiation rate

Galaxy Amp 2 (SM-J120AZ)LG K31 (K300QM)
SAR 1.6W/kg (USA, Mexico, etc.)0.99W/kg (head), 1.25W/kg (body)0.61W/kg (head), 1.13W/kg (body)
SAR 2W/kg (Europe, UK, etc.)1.03W/kg (head), 0.439W/kg (body)feature not registered
X

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