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Samsung Galaxy A7 2017 (SM-A720F) vs LG K31 Rebel (L355DL)

Side by side comparison between Samsung Galaxy A7 (2017) vs LG K31 phones, differences, pros, cons and full specifications. What's the better?

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Compare LG K31 X Samsung Galaxy A7 2017 (SM-A720F) 18Points
5.7"
AMOLED

1080x1920

16
MP

16mp

3GB
RAM

Octa-core

3600
mAh

(Non removable)

vs
5.7"
IPS

720x1520

13
MP

5mp

2GB
RAM

Octa-core

3000
mAh

(Non removable)

What's the better phone? Samsung Galaxy A7 2017 (SM-A720F)

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 A7 2017 (SM-A720F)} 18 Advantages Samsung Galaxy A7 2017 (SM-A720F) vs K31 Rebel (L355DL)} 9 Advantages LG K31 Rebel (L355DL)
+3GB LPDDR450%
More RAM memory. Typically more responsive and better for multitasking.
vs2GB LPDDR3
+32GB (22GB available)22%
More internal storage for applications and files
vs32GB (18GB available)
+7.9 millimeters (0.31 inches)9%
Thinner
vs8.6 millimeters (0.34 inches)
+Super AMOLEDAdvantage
Super AMOLED display is brighter and more vivid
vsTFT IPS LCD
+1080x1920 pixels89%
Higher resolution screen
vs720x1520 pixels
+386 PPI31%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
vs295 PPI
+(front) 16MP2 times
Higher resolution secondary camera to take pictures and selfies
vs(front) 5MP
+(4G LTE-A) 300 Mbps100%
Faster for surfing the internet and download files
vs(4G LTE) 150 Mbps
+Ambient light sensorAdvantage
Sensors help you use the device
vsNot supported
+BarometerAdvantage
Sensors help you use the device
vsNot supported
+CompassAdvantage
Sensors help you use the device
vsNot supported
+GyroscopeAdvantage
Sensors help you use the device
vsNot supported
+Proximity sensorAdvantage
Sensors help you use the device
vsNot supported
+3600 mAh20%
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
vs3000 mAh
+FMAdvantage
The radio lets you listen to your songs and sports in general
vsNot supported
+802.11 a/b/g/n/ac [wifi5]Advantage
WiFi 802.11 a/b/g/n/ac [wifi5] is newer and faster
vs802.11 b/g/n [wifi4]
+NFCAdvantage
NFC allows you to make payments by approach quickly and securely
vsNot supported
+Type-CAdvantage
Reversible connector, you can stick in a USB-C cable any which way; either side is up.
vsMicroUSB 2.0
1.9GHz 64bit Octa-corevs+2GHz 64bit Octa-core (12nm)10%
More powerful processor, you can open your applications faster
Until 256GB microSD, microSDXCvs+Until 512GB microSD, microSDXC100%
More external storage for files using memory cards
186 grams (6.51 ounces)vs+146 grams (5.11 ounces)27%
Lighter
(back) 16MPvs+(dual camera) 13MP + 5MP12%
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.
Android 8.0 Oreovs+Android 10Advantage
Android 10 is newer and safer
4.2 + A2DPvs+5.0 + A2DP/LEAdvantage
Bluetooth 5.0 + A2DP/LE is newer and faster
Waterproof (IP?)vs+MIL-STD-810G military certifiedAdvantage
Protection against water allows you talk to your friends in the rain, for example

23 Common items in both devices
16 million
5.7"
LED flash
Only digital zoom
Autofocus / PDAF: phase detection autofocus
EIS: Digital stabilization
Full HD (1920x1080)
+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

Galaxy A7 2017 (SM-A720F)LG K31 Rebel (L355DL)
ModelGalaxy A7 2017 (SM-A720F)K31 Rebel (L355DL)
Other model namesSamsung Galaxy A7 SM-A720F Single-SimLG K31 Rebel (TracFone), LGL355DLATRFTNY, LGL355DL
Country or region available(Global, International)AlgeriaAustraliaIsraelTurkey
(Global, International), Algeria, Australia, Israel, Turkey
USA
USA
BrandSamsungLG
Release date1/13/20178/21/2020
Depth7.9 millimeters (0.31 inches)8.6 millimeters (0.34 inches)
Size (width x height)77.6 x 156.8 millimeters (3.06 x 6.17 in)71.12 x 147.83 millimeters (2.8 x 5.82 in)
Weight186 grams (6.51 ounces)146 grams (5.11 ounces)
Build, materialsfeature not registeredPlastic body, glass front
Protection against water and othersWaterproof (IP?)MIL-STD-810G military certified: salt, dust, humidity, rain, vibration, solar radiation, transport and thermal shock resistant.

📲 Display

Galaxy A7 2017 (SM-A720F)LG K31 Rebel (L355DL)
Display typeSuper AMOLEDTFT IPS LCD
Screen size5.7" inches5.7" inches
Screen-to-body ratio~73.6% (screen-to-body ratio)~77.1% (screen-to-body ratio)
Display resolution1080x1920 pixels720x1520 pixels (19:9)
TouchscreenCapacitive MultitouchCapacitive Multitouch
Pixel density (dot pitch)386 PPI295 PPI
Colors16 million16 million
Scratch-resistant glassGorilla Glass 3Panda King Glass
Refresh ratefeature not registered60Hz
Display featuresfeature not registeredNot supported

🤖 Operating System

Galaxy A7 2017 (SM-A720F)LG K31 Rebel (L355DL)
System versionAndroid 6.0.1 MarshmallowAndroid 10
Firmware updateAndroid 8.0 Oreofeature not registered
User Interfacefeature not registeredfeature not registered

⚙️ Processor

Galaxy A7 2017 (SM-A720F)LG K31 Rebel (L355DL)
Chipset64bit: Samsung Exynos 7 Octa 7880 (14nm)64bit: MediaTek Helio P22 (MT6762) (12nm)
CPUOcta-core, 1 processor:
8x 1.9GHz ARM Cortex-A53 (Octa-core)
Octa-core, 2 processors:
4x 2GHz ARM Cortex-A53 (Quad-core)
4x 1.5GHz ARM Cortex-A53 (Quad-core)
GPU graphical controllerARM Mali-T830 MP3PowerVR GE8320 (650MHz)
Performance (benchmark)feature not registeredfeature not registered

💽 Memory and storage

Galaxy A7 2017 (SM-A720F)LG K31 Rebel (L355DL)
RAM memory3GB LPDDR42GB LPDDR3
Internal storage32GB (22GB available)32GB (18GB available)
eMMC 5.1
External storageUntil 256GB microSD, microSDXC
(dedicated slot)
Until 512GB microSD, microSDXC
(dedicated slot)

📶 Mobile networks

Galaxy A7 2017 (SM-A720F)LG K31 Rebel (L355DL)
Dual-SIMNot supportedNot supported
SIM card1 slot (Single-SIM)
nano-SIM (4FF)
1 slot (Single-SIM)
nano-SIM (4FF)
Maximum Download / Upload300/50 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 850/900/1700/1900/2100CDMA2000 1xEV-DO
UMTS 850/900/1900/2100
Primary 4G networkLTE Cat6 700/800/850/900/1700/1800/1900/2100/2600 (Bands 1,2,3,4,5,7,8,17,20,28)
TD-LTE 2300/2500/2600 (Bands 38,40,41)
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+, TD-LTE, LTE, LTE-AGPRS, 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

📷 Camera

Galaxy A7 2017 (SM-A720F)LG K31 Rebel (L355DL)
Back camera (main camera)16 megapixels(dual camera)
13 megapixels
5MP ultrawide f/2.2120°1/5.0"1.12µm
Main camera resolution4608x3456 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 length27mm (lens)27mm (lens)
Sensor sizefeature not registered1/3.1" 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
Camera extrasfeature not registeredfeature not registered

📸 Front camera

Galaxy A7 2017 (SM-A720F)LG K31 Rebel (L355DL)
Front camera (secondary)16 megapixels5 megapixels
Front camera resolution4608x3456 pixels2560x1920 pixels
Video recording (secondary)Full HD (1920x1080)Full HD (1920x1080)
Front flashNot supportedNot supported
Focal aperturef/1.9 (aperture)f/2.2 (aperture)
Focal lengthfeature not registered24mm (lens)
Sensor sizefeature not registered1/5" inches
Pixel sizefeature not registered1.12µm pixel

🔉 Sound and multimedia

Galaxy A7 2017 (SM-A720F)LG K31 Rebel (L355DL)
LoudspeakerSupportedSupported
Active noise cancellation2 microphones or more2 microphones or more
RadioFMNot supported
TVNot supportedNot supported
Video formatsMP4, H.265, H.264, H.263, WMVMP4, H.265, H.264, H.263, XviD, MKV
Audio formatsMP3, WAV, WMA, eAAC+, FLACMP3, WAV, WMA, eAAC+, FLAC

🔌 Connectivity

Galaxy A7 2017 (SM-A720F)LG K31 Rebel (L355DL)
USBUSB 2.0 Type-C reversible connectorMicroUSB 2.0
Audio output3.5mm jack3.5mm jack
TV outputNot supportedNot supported
Bluetooth4.2 + A2DP5.0 + A2DP/LE
WiFi802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO
WiFi Direct, hotspot
802.11 b/g/n [wifi4] (2.4GHz)
WiFi Direct, hotspot
DLNANot supportedNot supported
GPSA-GPS, GeoTagging, GLONASS, BeiDouA-GPS, GeoTagging
NFCSupportedNot supported
Infrared portNot supportedNot supported

🧭 Sensors

Galaxy A7 2017 (SM-A720F)LG K31 Rebel (L355DL)
SensorsAccelerometer
Ambient light sensor
Barometer
Compass
Fingerprint sensor
Gyroscope
Hall effect
Proximity sensor
Accelerometer
Fingerprint sensor (rear-mounted)
Vibrating alertSupportedSupported

🔋 Battery

Galaxy A7 2017 (SM-A720F)LG K31 Rebel (L355DL)
Battery typeLi-Ion: lithium-ion (Non removable)Li-Ion: lithium-ion (Non removable)
Battery capacity3600 mAh3000 mAh
Charger, wattsWired chargingWired charging
Inductive / wireless chargingfeature not registeredNot supported
Talk time autonomy23 hours11 hours
Standbyfeature not registered528 hours (22 days)

➕ Other features

Galaxy A7 2017 (SM-A720F)LG K31 Rebel (L355DL)
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
Miscellaneous• Colors: Black, Gold, Blue, Pink
• Metal body
• Gorilla Glass on the back
• Samsung Grace UX
• Fast battery charging
• ANT+
• IP68 certified: dust proof and water resistant over 1.5meter and 30min
• Colors: Silver
• LG UX 9.1

☢️ Radiation rate

Galaxy A7 2017 (SM-A720F)LG K31 Rebel (L355DL)
SAR 1.6W/kg (USA, Mexico, etc.)feature not registered0.61W/kg (head), 1.13W/kg (body)
SAR 2W/kg (Europe, UK, etc.)0.21W/kg (head), 1.33W/kg (body)feature not registered
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