LG X400 (K121S) vs Samsung Galaxy J5 2016 (SM-J5108)

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Side by side comparison between LG X400 vs Samsung Galaxy J5 (2016) phones, differences, pros, cons and full specifications. What's the better?

4/29/2017 9:01 PM, updated: 3/17/2020 8:41 PM

Compare Samsung Galaxy J5 (2016) X LG X400 (K121S) 11Points

Specifications Compare Models Pictures

5.3"
IPS

720x1280

13
MP

5mp

2GB
RAM

Octa-core

2800
mAh

(Removable)

07Points Samsung Galaxy J5 2016 (SM-J5108) Compare LG X400 X

Specifications Compare Models Pictures

5.2"
AMOLED

720x1280

13
MP

5mp

2GB
RAM

Quad-core

3100
mAh

(Removable)

What's the better phone? LG X400 (K121S)

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!

11 Advantages LG X400 (K121S)	vs	7 Advantages Samsung Galaxy J5 2016 (SM-J5108)
+1.5GHz 64bit Octa-core23% More powerful processor, you can open your applications faster	vs	1.2GHz 64bit Quad-core (28nm)
+32GB (22GB available)100% More internal storage for applications and files	vs	16GB (11GB available)
+142 grams (4.97 ounces)12% Lighter	vs	159 grams (5.57 ounces)
+8 millimeters (0.31 inches)1% Thinner	vs	8.1 millimeters (0.32 inches)
+5.3"2% Larger screen	vs	5.2"
+Android 8.0 OreoAdvantage Android 8.0 Oreo is newer and safer	vs	Android 6.0.1 Marshmallow
+(4G LTE-A) 300 Mbps100% Faster for surfing the internet and download files	vs	(4G LTE) 150 Mbps
+CompassAdvantage Sensors help you use the device	vs	Not supported
+Fingerprint sensor (rear-mounted)Advantage Sensors help you use the device	vs	Not supported
+Digital TVAdvantage Watch your favorite TV shows anywhere	vs	Not supported
+4.2 + A2DPAdvantage Bluetooth 4.2 + A2DP is newer and faster	vs	4.1 + A2DP
Plastic body, glass front	vs	+Aluminum body, glass front, plastic backAdvantage More resistant material
TFT IPS LCD	vs	+Super AMOLEDAdvantage Super AMOLED display is brighter and more vivid
277 PPI	vs	+282 PPI2% Crisper display of text, images and videos because it has more pixels per inch (ppi)
LED flash	vs	+LED flash on both camerasAdvantage The LED flash on both cameras helps in dark places or in low light
f/2.2 (aperture)	vs	+f/1.9 (aperture)16% Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.
2800 mAh	vs	+3100 mAh11% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
1 slot (Single-SIM) (dedicated slot)	vs	+2 slots (Dual-SIM) (dedicated slot)Advantage You can have more mobile carriers/operators on the same device.

29 Common items in both devices

2GB LPDDR3

Until 256GB microSD, microSDXC

16 million

720x1280 pixels

(back) 13MP

Only digital zoom

Autofocus

+22 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

📱 Model features
	LG X400 (K121S)	Galaxy J5 2016 (SM-J5108)
Change model		Choose the model
Model	X400 (K121S)	Galaxy J5 2016 (SM-J5108)
Other model names	SKT LG X400, LGM-K121S, LGMK121S (SK Telecom)	Galaxy J5 SM-J5108 Dual-Sim 4G, Galaxy J5-6
Country or region available	South Korea	China, Hong Kong
Brand	LG	Samsung
Release date	2/1/2017	3/1/2016
Depth	8 millimeters (0.31 inches)	8.1 millimeters (0.32 inches)
Size (width x height)	75.29 x 148.7 millimeters (2.96 x 5.85 in)	72.3 x 145.8 millimeters (2.85 x 5.74 in)
Weight	142 grams (4.97 ounces)	159 grams (5.57 ounces)
Build, materials	Plastic body, glass front	Aluminum body, glass front, plastic back
Protection against water and others	Not supported	Not supported
📲 Display
	LG X400 (K121S)	Galaxy J5 2016 (SM-J5108)
Display type	TFT IPS LCD	Super AMOLED
Screen size	5.3" inches	5.2" inches
Screen-to-body ratio	~69.2% (screen-to-body ratio)	~70.7% (screen-to-body ratio)
Display resolution	720x1280 pixels	720x1280 pixels
Touchscreen	Capacitive Multitouch	Capacitive Multitouch 5-points
Pixel density (dot pitch)	277 PPI	282 PPI
Colors	16 million	16 million
Scratch-resistant glass	Not supported	Not supported
Refresh rate	feature not registered	feature not registered
Display features	feature not registered	feature not registered
🤖 Operating System
	LG X400 (K121S)	Galaxy J5 2016 (SM-J5108)
System version	Android 7.0 Nougat	Android 5.1.1 Lollipop
Firmware update	Android 8.0 Oreo	Android 6.0.1 Marshmallow
User Interface	feature not registered	feature not registered
⚙️ Processor
	LG X400 (K121S)	Galaxy J5 2016 (SM-J5108)
Chipset	64bit: MediaTek MT6750 (28nm)	64bit: Qualcomm Snapdragon 410 (MSM8916) (28nm)
CPU	Octa-core, 2 processors: 4x 1.5GHz ARM Cortex-A53 (Quad-core) 4x 1GHz ARM Cortex-A53 (Quad-core)	Quad-core, 1 processor: 4x 1.2GHz ARM Cortex-A53 (Quad-core)
GPU graphical controller	ARM Mali-T860 MP2 520Mhz	Qualcomm Adreno 306 (450MHz)
Performance (benchmark)	feature not registered	feature not registered
💽 Memory and storage
	LG X400 (K121S)	Galaxy J5 2016 (SM-J5108)
RAM memory	2GB LPDDR3	2GB LPDDR3
Internal storage	32GB (22GB available)	16GB (11GB available) eMMC 4.5
External storage	Until 256GB microSD, microSDXC (dedicated slot)	Until 256GB microSD, microSDXC (dedicated slot)
📶 Mobile networks
	LG X400 (K121S)	Galaxy J5 2016 (SM-J5108)
Dual-SIM	Not supported	Dual-SIM Standby - Call active on one sim card (dedicated slot)
SIM card	1 slot (Single-SIM) nano-SIM (4FF)	2 slots (Dual-SIM) micro-SIM (3FF)
Maximum Download / Upload	300/50 Mbps	150/50 Mbps
Network technology	2G, 3G, 4G	2G, 3G, 4G
Frequency, bands	Expand band details Collapse details
GSM MHz band	Tri-Band 900/1800/1900	Quad-Band 850/900/1800/1900
Primary 2G network	GSM 900/1800/1900	GSM 850/900/1800/1900
Primary 3G network	UMTS 2100	UMTS 850/900/1900/2100, TD-SCDMA 1900/2000
Primary 4G network	LTE Cat6 850/900/1800/2100/2600 (Bands 1,3,5,7,8) VoLTE	LTE Cat4 1800/2100/2600 (Bands 1,3,7) TD-LTE 1900/2300/2500/2600 (Bands 38,39,40,41)
Primary 5G network	Not supported	Not supported
Primary data network	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE, LTE-A	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE
Secondary 2G network	Not supported	GSM 850/900/1800/1900
Secondary 3G network	Not supported	Not supported
Secondary 4G network	Not supported	Not supported
Secondary data network	Not supported	GPRS, EDGE
📷 Camera
	LG X400 (K121S)	Galaxy J5 2016 (SM-J5108)
Back camera (main camera)	13 megapixels	13 megapixels
Main camera resolution	4160x3120 pixels	4128x3096 pixels
Video recording (primary)	Full HD (1920x1080) 30 fps	Full HD (1920x1080) 30 fps
Flash	LED flash	LED flash on both cameras
Focal aperture	f/2.2 (aperture)	f/1.9 (aperture)
Focal length	feature not registered	feature not registered
Sensor size	1/3" inches	feature not registered
Pixel size	1.12µm pixel	feature not registered
Autofocus	Autofocus	Autofocus
Touch focus	Supported	Supported
Image stabilization	EIS: Digital stabilization	feature not registered
Zoom	Only digital zoom	Only digital zoom
Face/smile detection	Face detection, Smile detection	Face detection, Smile detection
BSI sensor	Not supported	Not supported
HDR	HDR photo only main camera	HDR photo only main camera
Camera extras	feature not registered	feature not registered
📸 Front camera
	LG X400 (K121S)	Galaxy J5 2016 (SM-J5108)
Front camera (secondary)	5 megapixels	5 megapixels
Front camera resolution	2560x1920 pixels	2592x1944 pixels
Video recording (secondary)	Full HD (1920x1080)	Full HD (1920x1080)
Front flash	Not supported	LED
Focal aperture	f/2.4 (aperture)	feature not registered
Focal length	feature not registered	feature not registered
Sensor size	1/5" inches	feature not registered
Pixel size	1.12µm pixel	feature not registered
🔉 Sound and multimedia
	LG X400 (K121S)	Galaxy J5 2016 (SM-J5108)
Loudspeaker	Supported	Supported
Active noise cancellation	2 microphones or more	2 microphones or more
Radio	FM (RDS)	FM (RDS)
TV	Digital TV	Not supported
Video formats	MP4, H.264, H.263, XviD, MKV	MP4, H.264, H.263, WMV
Audio formats	MP3, WAV, WMA, eAAC+, FLAC	MP3, WAV, WMA, eAAC+, FLAC
🔌 Connectivity
	LG X400 (K121S)	Galaxy J5 2016 (SM-J5108)
USB	MicroUSB 2.0, USB OTG On-The-Go	MicroUSB 2.0
Audio output	3.5mm jack	3.5mm jack
TV output	Not supported	Not supported
Bluetooth	4.2 + A2DP	4.1 + A2DP
WiFi	802.11 b/g/n [wifi4] (2.4GHz) WiFi Direct, hotspot	802.11 b/g/n [wifi4] (2.4GHz) WiFi Direct, hotspot
DLNA	Not supported	Not supported
GPS	A-GPS, GeoTagging, GLONASS	A-GPS, GeoTagging, GLONASS, BeiDou
NFC	Supported	Supported
Infrared port	Not supported	Not supported
🧭 Sensors
	LG X400 (K121S)	Galaxy J5 2016 (SM-J5108)
Sensors	Accelerometer Ambient light sensor Compass Fingerprint sensor (rear-mounted) Proximity sensor	Accelerometer Ambient light sensor Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	LG X400 (K121S)	Galaxy J5 2016 (SM-J5108)
Battery type	Li-Ion: lithium-ion (Removable)	Li-Ion: lithium-ion (Removable)
Battery capacity	2800 mAh	3100 mAh
Charger, watts	Wired charging	Wired charging
Inductive / wireless charging	feature not registered	feature not registered
Talk time autonomy	9 hours	21 hours
Standby	390 hours (16.3 days)	feature not registered
➕ Other features
	LG X400 (K121S)	Galaxy J5 2016 (SM-J5108)
Call control	Voice dialing, Voice recorder	Voice dialing, Voice recorder
Messaging	SMS (T9), MMS, E-mail, Push mail	SMS (T9), MMS, E-mail, Push mail
Hands-free calling	Supported	Supported
Video calling	Supported	Supported
Ringtones	Polyphonic and customized	Polyphonic and customized
Web browser	HTML, XHTML, HTML5	HTML, XHTML, HTML5
Antenna	Internal antenna	Internal antenna
Qwerty physical keyboard	Not supported	Not supported
Miscellaneous	• Colors: Black, Gold • 2.5D Arc Glass screen • LG UX 5.0 • Wide-angle 120° front camera • KnockOn, Knock Code • DMB-TV (Korea)	• Colors: White, Black, Gold, Rose Gold • Samsung TouchWiz UX • ANT+ support
☢️ Radiation rate
	LG X400 (K121S)	Galaxy J5 2016 (SM-J5108)
SAR 1.6W/kg (USA, Mexico, etc.)	feature not registered	feature not registered
SAR 2W/kg (Europe, UK, etc.)	feature not registered	0.579W/kg (head), 0.594W/kg (body)