LG X400 (K121S) vs LG K11 Plus (X410YCW)

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Side by side comparison between LG X400 vs LG K11+ Plus phones, differences, pros, cons and full specifications. What's the better?

4/7/2019 12:04 AM, updated: 4/29/2020 9:25 PM

Compare LG K11+ Plus X LG X400 (K121S) 08Points

Specifications Compare Models Pictures

5.3"
IPS

720x1280

13
MP

5mp

2GB
RAM

Octa-core

2800
mAh

(Removable)

06Points LG K11 Plus (X410YCW) Compare LG X400 X

Specifications Compare Models Pictures

5.3"
IPS

720x1280

13
MP

5mp

3GB
RAM

Octa-core

3000
mAh

(Non 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!

8 Advantages LG X400 (K121S)	vs	6 Advantages LG K11 Plus (X410YCW)
+142 grams (4.97 ounces)15% Lighter	vs	163 grams (5.71 ounces)
+8 millimeters (0.31 inches)9% Thinner	vs	8.7 millimeters (0.34 inches)
+1/3" inches2% The larger sensor camera lets you take photos with better depth.	vs	1/3.06" inches
+Android 8.0 OreoAdvantage Android 8.0 Oreo is newer and safer	vs	Android 7.1.2 Nougat
+Li-Ion: lithium-ion (Removable)Advantage Removable battery can be replaced easily	vs	Li-Ion: lithium-ion (Non removable)
+Active noise cancellationAdvantage More noise-canceling microphones allow for better quality in calls and audio for recorded videos	vs	Not supported
+Digital TVAdvantage Watch your favorite TV shows anywhere	vs	Not supported
+NFCAdvantage NFC allows you to make payments by approach quickly and securely	vs	Not supported
2GB LPDDR3	vs	+3GB LPDDR350% More RAM memory. Typically more responsive and better for multitasking.
Until 256GB microSD, microSDXC	vs	+Until 1TB microSD, microSDXC3 times More external storage for files using memory cards
Plastic body, glass front	vs	+Plastic body, glass front, aluminum backAdvantage More resistant material
2800 mAh	vs	+3000 mAh7% 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.
Not supported	vs	+MIL-STD-810G military certifiedAdvantage Protection against water allows you talk to your friends in the rain, for example

36 Common items in both devices

1.5GHz 64bit Octa-core

32GB (22GB available)

TFT IPS LCD

16 million

720x1280 pixels

277 PPI

5.3"

+29 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)	LG K11 Plus (X410YCW)
Change model		Choose the model
Model	X400 (K121S)	K11 Plus (X410YCW)
Other model names	SKT LG X400, LGM-K121S, LGMK121S (SK Telecom)	LG K11+ LMX410YCW Dual-sim, LM-X410YCW, LG-LMX410YCW
Country or region available	South Korea	Hong Kong, Taiwan
Brand	LG	LG
Release date	2/1/2017	5/1/2018
Depth	8 millimeters (0.31 inches)	8.7 millimeters (0.34 inches)
Size (width x height)	75.29 x 148.7 millimeters (2.96 x 5.85 in)	75.3 x 148.7 millimeters (2.96 x 5.85 in)
Weight	142 grams (4.97 ounces)	163 grams (5.71 ounces)
Build, materials	Plastic body, glass front	Plastic body, glass front, aluminum back
Protection against water and others	Not supported	MIL-STD-810G military certified: salt, dust, humidity, rain, vibration, solar radiation, transport and thermal shock resistant.
📲 Display
	LG X400 (K121S)	LG K11 Plus (X410YCW)
Display type	TFT IPS LCD	TFT IPS LCD
Screen size	5.3" inches	5.3" inches
Screen-to-body ratio	~69.2% (screen-to-body ratio)	~69.2% (screen-to-body ratio)
Display resolution	720x1280 pixels	720x1280 pixels
Touchscreen	Capacitive Multitouch	Capacitive Multitouch
Pixel density (dot pitch)	277 PPI	277 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)	LG K11 Plus (X410YCW)
System version	Android 7.0 Nougat	Android 7.1.2 Nougat
Firmware update	Android 8.0 Oreo	feature not registered
User Interface	feature not registered	feature not registered
⚙️ Processor
	LG X400 (K121S)	LG K11 Plus (X410YCW)
Chipset	64bit: MediaTek MT6750 (28nm)	64bit: MediaTek MT6750 (28nm)
CPU	Octa-core, 2 processors: 4x 1.5GHz ARM Cortex-A53 (Quad-core) 4x 1GHz ARM Cortex-A53 (Quad-core)	Octa-core, 2 processors: 4x 1.5GHz ARM Cortex-A53 (Quad-core) 4x 1GHz ARM Cortex-A53 (Quad-core)
GPU graphical controller	ARM Mali-T860 MP2 520Mhz	ARM Mali-T860 MP2 520Mhz
Performance (benchmark)	feature not registered	feature not registered
💽 Memory and storage
	LG X400 (K121S)	LG K11 Plus (X410YCW)
RAM memory	2GB LPDDR3	3GB LPDDR3
Internal storage	32GB (22GB available)	32GB (22GB available) eMMC 5.1
External storage	Until 256GB microSD, microSDXC (dedicated slot)	Until 1TB microSD, microSDXC (dedicated slot)
📶 Mobile networks
	LG X400 (K121S)	LG K11 Plus (X410YCW)
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) nano-SIM (4FF)
Maximum Download / Upload	300/50 Mbps	300/50 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 850/900/2100
Primary 4G network	LTE Cat6 850/900/1800/2100/2600 (Bands 1,3,5,7,8) VoLTE	LTE Cat6 (Bands 1, 3, 5, 7, 8, 28) TD-LTE (Bands 38, 40)
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+, TD-LTE, LTE, LTE-A
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)	LG K11 Plus (X410YCW)
Back camera (main camera)	13 megapixels	13 megapixels
Main camera resolution	4160x3120 pixels	4160x3120 pixels
Video recording (primary)	Full HD (1920x1080) 30 fps	Full HD (1920x1080) 30 fps
Flash	LED flash	LED flash
Focal aperture	f/2.2 (aperture)	f/2.2 (aperture)
Focal length	feature not registered	26mm (lens)
Sensor size	1/3" inches	1/3.06" inches
Pixel size	1.12µm pixel	1.12µm pixel
Autofocus	Autofocus	PDAF: phase detection autofocus
Touch focus	Supported	Supported
Image stabilization	EIS: Digital stabilization	EIS: Digital stabilization
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)	LG K11 Plus (X410YCW)
Front camera (secondary)	5 megapixels	5 megapixels
Front camera resolution	2560x1920 pixels	2560x1920 pixels
Video recording (secondary)	Full HD (1920x1080)	Full HD (1920x1080)
Front flash	Not supported	Not supported
Focal aperture	f/2.4 (aperture)	f/2.2 (aperture)
Focal length	feature not registered	18mm (lens)
Sensor size	1/5" inches	1/5" inches
Pixel size	1.12µm pixel	1.12µm pixel
🔉 Sound and multimedia
	LG X400 (K121S)	LG K11 Plus (X410YCW)
Loudspeaker	Supported	Supported
Active noise cancellation	2 microphones or more	Not supported
Radio	FM (RDS)	FM (RDS)
TV	Digital TV	Not supported
Video formats	MP4, H.264, H.263, XviD, MKV	MP4, H.264, H.263, XviD, MKV
Audio formats	MP3, WAV, WMA, eAAC+, FLAC	MP3, WAV, WMA, eAAC+, FLAC
🔌 Connectivity
	LG X400 (K121S)	LG K11 Plus (X410YCW)
USB	MicroUSB 2.0, USB OTG On-The-Go	MicroUSB 2.0, USB OTG On-The-Go
Audio output	3.5mm jack	3.5mm jack
TV output	Not supported	Not supported
Bluetooth	4.2 + A2DP	4.2 + 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
NFC	Supported	Not supported
Infrared port	Not supported	Not supported
🧭 Sensors
	LG X400 (K121S)	LG K11 Plus (X410YCW)
Sensors	Accelerometer Ambient light sensor Compass Fingerprint sensor (rear-mounted) Proximity sensor	Accelerometer Ambient light sensor Compass Fingerprint sensor (rear-mounted) Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	LG X400 (K121S)	LG K11 Plus (X410YCW)
Battery type	Li-Ion: lithium-ion (Removable)	Li-Ion: lithium-ion (Non removable)
Battery capacity	2800 mAh	3000 mAh
Charger, watts	Wired charging	Wired charging
Inductive / wireless charging	feature not registered	feature not registered
Talk time autonomy	9 hours	feature not registered
Standby	390 hours (16.3 days)	feature not registered
➕ Other features
	LG X400 (K121S)	LG K11 Plus (X410YCW)
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: Black, Moroccan Blue, Terra Gold • DTS:X 3D surround sound (headphones only)
☢️ Radiation rate
	LG X400 (K121S)	LG K11 Plus (X410YCW)
SAR 1.6W/kg (USA, Mexico, etc.)	feature not registered	feature not registered
SAR 2W/kg (Europe, UK, etc.)	feature not registered	feature not registered