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Samsung Galaxy Light (SGH-T399) vs Samsung Galaxy J7 Duo (SM-J720M)

Side by side comparison between Samsung Galaxy Light vs Samsung Galaxy J7 Duo phones, differences, pros, cons and full specifications. What's the better?

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Compare Samsung Galaxy J7 Duo X Samsung Galaxy Light (SGH-T399) 06Points
4"
TFT

480x800

5
MP

0.3mp

1GB
RAM

Quad-core

1800
mAh

(Removable)

vs
23Points Samsung Galaxy J7 Duo (SM-J720M) Compare Samsung Galaxy Light X
5.5"
AMOLED

720x1280

13
MP

8mp

3GB
RAM

Octa-core

3000
mAh

(Removable)

What's the better phone? Samsung Galaxy J7 Duo (SM-J720M)

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 Light (SGH-T399)} 6 Advantages Samsung Galaxy Light (SGH-T399) vs Galaxy J7 Duo (SM-J720M)} 23 Advantages Samsung Galaxy J7 Duo (SM-J720M)
+122 grams (4.27 ounces)43%
Lighter
vs174 grams (6.09 ounces)
+Ambient light sensorAdvantage
Sensors help you use the device
vsNot supported
+CompassAdvantage
Sensors help you use the device
vsNot supported
+DLNAAdvantage
With DLNA technology you can access and play media files on TV, tablet or DLNA compatible device.
vsNot supported
+NFCAdvantage
NFC allows you to make payments by approach quickly and securely
vsNot supported
+Gorilla GlassAdvantage
Protection against scratches on the screen lets you carry your phone with your keys
vsNot supported
1.4GHz 32bit Quad-corevs+2.2GHz 64bit Octa-core (14nm)113%
More powerful processor, you can open your applications faster
1GB LPDDR2vs+3GB LPDDR42 times
More RAM memory. Typically more responsive and better for multitasking.
8GB (5GB available)vs+32GB (21GB available)3 times
More internal storage for applications and files
Until 64GB microSD, microSDXCvs+Until 256GB microSD, microSDXC3 times
More external storage for files using memory cards
10.2 millimeters (0.4 inches)vs+8.2 millimeters (0.32 inches)24%
Thinner
TFT LCDvs+Super AMOLEDAdvantage
Super AMOLED display is brighter and more vivid
480x800 pixelsvs+720x1280 pixels140%
Higher resolution screen
233 PPIvs+267 PPI15%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
4"vs+5.5"38%
Larger screen
(back) 5MPvs+(dual camera) 13MP + 5MP3 times
Higher resolution main camera
LED flashvs+LED flash on both camerasAdvantage
The LED flash on both cameras helps in dark places or in low light
Not supportedvs+HDR photo only main cameraAdvantage
The HDR technology produced photos with more detail in dark areas
(front) 0.3MPvs+(front) 8MP25 times
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
Android 4.4.2 KitKatvs+Android 10Advantage
Android 10 is newer and safer
(4G LTE) 100 Mbpsvs+(4G LTE) 150 Mbps50%
Faster for surfing the internet and download files
Not supportedvs+ANT+Advantage
Sensors help you use the device
Not supportedvs+Face unlock 2DAdvantage
Sensors help you use the device
Not supportedvs+Fingerprint sensor (front-mounted)Advantage
Sensors help you use the device
1800 mAhvs+3000 mAh67%
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
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 [wifi5]Advantage
WiFi 802.11 a/b/g/n/ac [wifi5] is newer and faster
2.1 + A2DPvs+5.0 + A2DP/LEAdvantage
Bluetooth 5.0 + A2DP/LE is newer and faster

17 Common items in both devices
16 million
Only digital zoom
Autofocus
EIS: Digital stabilization
4G LTE
Capacitive
Multitouch
+10 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 Light (SGH-T399)Galaxy J7 Duo (SM-J720M)
Change model 
ModelGalaxy Light (SGH-T399)Galaxy J7 Duo (SM-J720M)
Other model namesMetroPCS / T-Mobile Samsung Galaxy Light T399, Samsung GardaGalaxy J7 Duo J720M Single-Sim, Samsung J720
Country or region availableUSA
USA
(Latin America)
(Latin America)
BrandSamsungSamsung
Release date10/17/20134/1/2018
Depth10.2 millimeters (0.4 inches)8.2 millimeters (0.32 inches)
Size (width x height)63.5 x 121.4 millimeters (2.5 x 4.78 in)77.2 x 153.5 millimeters (3.04 x 6.04 in)
Weight122 grams (4.27 ounces)174 grams (6.09 ounces)
Build, materialsfeature not registeredPlastic body, glass front
Protection against water and othersNot supportedNot supported

📲 Display

Galaxy Light (SGH-T399)Galaxy J7 Duo (SM-J720M)
Display typeTFT LCDSuper AMOLED
Screen size4" inches5.5" inches
Screen-to-body ratio~59.1% (screen-to-body ratio)~70.4% (screen-to-body ratio)
Display resolution480x800 pixels720x1280 pixels (16:9)
TouchscreenCapacitive MultitouchCapacitive Multitouch
Pixel density (dot pitch)233 PPI267 PPI
Colors16 million16 million
Scratch-resistant glassGorilla GlassNot supported
Refresh ratefeature not registered60Hz
Display featuresfeature not registeredNot supported

🤖 Operating System

Galaxy Light (SGH-T399)Galaxy J7 Duo (SM-J720M)
System versionAndroid 4.2.2 Jelly BeanAndroid 8.0 Oreo
Firmware updateAndroid 4.4.2 KitKatAndroid 10
User Interfacefeature not registeredOne UI 2.0

⚙️ Processor

Galaxy Light (SGH-T399)Galaxy J7 Duo (SM-J720M)
Chipset32bit: Samsung Exynos 4 Quad 441264bit: Samsung Exynos 7885 (14nm)
CPUQuad-core, 1 processor:
4x 1.4GHz ARM Cortex-A9 (Quad-core)
Octa-core, 2 processors:
2x 2.2GHz ARM Cortex-A73 (Dual-core)
6x 1.6GHz ARM Cortex-A53 (Hexa-core)
GPU graphical controllerARM Mali-400ARM Mali-G71 MP2
Performance (benchmark)feature not registeredAnTuTu: 98104 (v7)

💽 Memory and storage

Galaxy Light (SGH-T399)Galaxy J7 Duo (SM-J720M)
RAM memory1GB LPDDR23GB LPDDR4
Internal storage8GB (5GB available)32GB (21GB available)
eMMC 5.1
External storageUntil 64GB microSD, microSDXC
(dedicated slot)
Until 256GB microSD, microSDXC
(dedicated slot)

📶 Mobile networks

Galaxy Light (SGH-T399)Galaxy J7 Duo (SM-J720M)
Dual-SIMNot supportedNot supported
SIM card1 slot (Single-SIM)
micro-SIM (3FF)
1 slot (Single-SIM)
micro-SIM (3FF)
Maximum Download / Upload100/50 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 850/900/1800/1900GSM 850/900/1800/1900
Primary 3G networkUMTS 850/1700/1900/2100UMTS 850/900/1700/1900/2100
Primary 4G networkLTE Cat3 700/1700/2100 (Bands 4,17)LTE Cat4 (1, 3, 4, 5, 7, 8, 12, 13, 17, 28, 66)
TD-LTE (38, 40, 41)
Primary 5G networkNot supportedNot supported
Primary data networkGPRS, EDGE, UMTS, HSDPA, HSUPA, LTEGPRS, EDGE, 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 Light (SGH-T399)Galaxy J7 Duo (SM-J720M)
Back camera (main camera)5 megapixels(dual camera)
13 megapixels
5MP depth f/1.9
Main camera resolution2592x1944 pixels4128x3096 pixels
Video recording (primary)HD (1280x720) 30 fpsFull HD (1920x1080) 30 fps
FlashLED flashLED flash on both cameras
Focal aperturefeature not registeredf/1.9 (aperture)
Focal lengthfeature not registeredfeature not registered
Sensor sizefeature not registeredfeature not registered
Pixel sizefeature not registeredfeature not registered
AutofocusAutofocusAutofocus
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
HDRNot supportedHDR photo only main camera
Camera extrasfeature not registeredfeature not registered

📸 Front camera

Galaxy Light (SGH-T399)Galaxy J7 Duo (SM-J720M)
Front camera (secondary)0.3 megapixels8 megapixels
Front camera resolution640x480 pixels3264x2448 pixels
Video recording (secondary)Not supportedFull HD (1920x1080)
Front flashNot supportedLED
Focal aperturefeature not registeredf/1.9 (aperture)
Focal lengthfeature not registeredfeature not registered
Sensor sizefeature not registeredfeature not registered
Pixel sizefeature not registeredfeature not registered

🔉 Sound and multimedia

Galaxy Light (SGH-T399)Galaxy J7 Duo (SM-J720M)
LoudspeakerSupportedMono sound (not stereo)
Active noise cancellationNot supportedNot supported
RadioNot supportedFM
TVNot supportedNot supported
Video formatsMP4, H.264, H.263, XviD, MKVMP4, H.264, H.263, XviD, MKV
Audio formatsMP3, WAV, WMA, eAAC+, FLACMP3, WAV, WMA, eAAC+, FLAC

🔌 Connectivity

Galaxy Light (SGH-T399)Galaxy J7 Duo (SM-J720M)
USBMicroUSB 2.0MicroUSB 2.0
Audio output3.5mm jack3.5mm jack
TV outputNot supportedNot supported
Bluetooth2.1 + A2DP5.0 + A2DP/LE
WiFi802.11 a/b/g/n [wifi4] (2.4GHz, 5GHz)802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO
WiFi Direct, hotspot
DLNASupportedNot supported
GPSA-GPS, GeoTaggingA-GPS, GeoTagging, GLONASS, BeiDou
NFCSupportedNot supported
Infrared portNot supportedNot supported

🧭 Sensors

Galaxy Light (SGH-T399)Galaxy J7 Duo (SM-J720M)
SensorsAccelerometer
Ambient light sensor
Compass
Proximity sensor
Accelerometer
ANT+
Face unlock 2D
Fingerprint sensor (front-mounted)
Proximity sensor
Vibrating alertSupportedSupported

🔋 Battery

Galaxy Light (SGH-T399)Galaxy J7 Duo (SM-J720M)
Battery typeLi-Ion: lithium-ion (Removable)Li-Ion: lithium-ion (Removable)
Battery capacity1800 mAh3000 mAh
Charger, wattsWired chargingWired charging
Inductive / wireless chargingfeature not registeredNot supported
Talk time autonomy12.5 hours20 hours
Standby460 hours (19.2 days)feature not registered

➕ Other features

Galaxy Light (SGH-T399)Galaxy J7 Duo (SM-J720M)
Call controlVoice dialing, Voice recorder, Voice commandsVoice dialing, Voice recorder
MessagingSMS (Swype), 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: Dark brown
• WiFi hotspot
• Colors: Black, Gold, Rose Gold, White
• Samsung Pay

☢️ Radiation rate

Galaxy Light (SGH-T399)Galaxy J7 Duo (SM-J720M)
SAR 1.6W/kg (USA, Mexico, etc.)feature not registered0.97W/kg (head), 0.55W/kg (body)
SAR 2W/kg (Europe, UK, etc.)feature not registeredfeature not registered
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