LG X400 (K121S) vs Lenovo Lemon 3

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Side by side comparison between LG X400 vs Lenovo Lemon 3 phones, differences, pros, cons and full specifications. What's the better?

4/29/2017 9:01 PM, updated: 3/16/2020 2:33 PM

Compare Lenovo Lemon 3 X LG X400 (K121S) 10Points

Specifications Compare Models Pictures

5.3"
IPS

720x1280

13
MP

5mp

2GB
RAM

Octa-core

2800
mAh

(Removable)

05Points Lenovo Lemon 3 Compare LG X400 X

Specifications Compare Models Pictures

5"
IPS

1080x1920

13
MP

5mp

2GB
RAM

Octa-core

2750
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!

10 Advantages LG X400 (K121S)	vs	5 Advantages Lenovo Lemon 3
+32GB (22GB available)120% More internal storage for applications and files	vs	16GB (10GB available)
+Until 256GB microSD, microSDXC100% More external storage for files using memory cards	vs	Until 128GB microSD, microSDXC
+5.3"6% Larger screen	vs	5"
+Android 8.0 OreoAdvantage Android 8.0 Oreo is newer and safer	vs	Android 5.1.1 Lollipop
+(4G LTE-A) 300 Mbps100% Faster for surfing the internet and download files	vs	(4G TD-LTE) 150 Mbps
+Fingerprint sensor (rear-mounted)Advantage Sensors help you use the device	vs	Not supported
+2800 mAh2% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use	vs	2750 mAh
+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
+NFCAdvantage NFC allows you to make payments by approach quickly and securely	vs	Not supported
1.5GHz 64bit Octa-core	vs	+1.5GHz 64bit Octa-core13% More powerful processor, you can open your applications faster
720x1280 pixels	vs	+1080x1920 pixels125% Higher resolution screen
277 PPI	vs	+441 PPI59% Crisper display of text, images and videos because it has more pixels per inch (ppi)
Not supported	vs	+GyroscopeAdvantage Sensors help you use the device
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.

33 Common items in both devices

2GB LPDDR3

142 grams (4.97 ounces)

8 millimeters (0.31 inches)

TFT IPS LCD

16 million

(back) 13MP

LED flash

+26 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)	Lenovo Lemon 3
Change model
Model	X400 (K121S)	Lemon 3
Other model names	SKT LG X400, LGM-K121S, LGMK121S (SK Telecom)	Lenovo Lemon 3 K32c36 (Dual-Sim), Lenovo Vibe K5
Country or region available	South Korea	China, Hong Kong
Brand	LG	Lenovo
Release date	2/1/2017	3/29/2016
Depth	8 millimeters (0.31 inches)	8 millimeters (0.31 inches)
Size (width x height)	75.29 x 148.7 millimeters (2.96 x 5.85 in)	71 x 142 millimeters (2.8 x 5.59 in)
Weight	142 grams (4.97 ounces)	142 grams (4.97 ounces)
Build, materials	Plastic body, glass front	feature not registered
Protection against water and others	Not supported	Not supported
📲 Display
	LG X400 (K121S)	Lenovo Lemon 3
Display type	TFT IPS LCD	TFT IPS LCD
Screen size	5.3" inches	5" inches
Screen-to-body ratio	~69.2% (screen-to-body ratio)	~68.4% (screen-to-body ratio)
Display resolution	720x1280 pixels	1080x1920 pixels
Touchscreen	Capacitive Multitouch	Capacitive Multitouch 10-points
Pixel density (dot pitch)	277 PPI	441 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)	Lenovo Lemon 3
System version	Android 7.0 Nougat	Android 5.1.1 Lollipop
Firmware update	Android 8.0 Oreo	feature not registered
User Interface	feature not registered	feature not registered
⚙️ Processor
	LG X400 (K121S)	Lenovo Lemon 3
Chipset	64bit: MediaTek MT6750 (28nm)	64bit: Qualcomm Snapdragon 616 MSM8939v2 (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 1.2GHz ARM Cortex-A53 (Quad-core)
GPU graphical controller	ARM Mali-T860 MP2 520Mhz	Qualcomm Adreno 405
Performance (benchmark)	feature not registered	feature not registered
💽 Memory and storage
	LG X400 (K121S)	Lenovo Lemon 3
RAM memory	2GB LPDDR3	2GB LPDDR3
Internal storage	32GB (22GB available)	16GB (10GB available)
External storage	Until 256GB microSD, microSDXC (dedicated slot)	Until 128GB microSD, microSDXC (dedicated slot)
📶 Mobile networks
	LG X400 (K121S)	Lenovo Lemon 3
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	TD-SCDMA 1900/2000
Primary 4G network	LTE Cat6 850/900/1800/2100/2600 (Bands 1,3,5,7,8) VoLTE	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, TD-SCDMA, TD-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)	Lenovo Lemon 3
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
Focal aperture	f/2.2 (aperture)	f/2.2 (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	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)	Lenovo Lemon 3
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	Not supported
Focal aperture	f/2.4 (aperture)	f/2.8 (aperture)
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)	Lenovo Lemon 3
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
Audio formats	MP3, WAV, WMA, eAAC+, FLAC	MP3, WAV, eAAC+, FLAC
🔌 Connectivity
	LG X400 (K121S)	Lenovo Lemon 3
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	4.1 + A2DP
WiFi	802.11 b/g/n [wifi4] (2.4GHz) WiFi Direct, hotspot	802.11 b/g/n [wifi4] (2.4GHz)
DLNA	Not supported	Not supported
GPS	A-GPS, GeoTagging, GLONASS	A-GPS, GeoTagging, GLONASS
NFC	Supported	Not supported
Infrared port	Not supported	Not supported
🧭 Sensors
	LG X400 (K121S)	Lenovo Lemon 3
Sensors	Accelerometer Ambient light sensor Compass Fingerprint sensor (rear-mounted) Proximity sensor	Accelerometer Ambient light sensor Compass Gyroscope Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	LG X400 (K121S)	Lenovo Lemon 3
Battery type	Li-Ion: lithium-ion (Removable)	LiPo: li-ion polymer (Removable)
Battery capacity	2800 mAh	2750 mAh
Charger, watts	Wired charging	Wired charging
Inductive / wireless charging	feature not registered	feature not registered
Talk time autonomy	9 hours	15 hours
Standby	390 hours (16.3 days)	322 hours (13.4 days)
➕ Other features
	LG X400 (K121S)	Lenovo Lemon 3
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: Silver, Graphite, Gold • Dolby Atmos sound • Lenovo V-Selfie • WiFi hotspot
☢️ Radiation rate
	LG X400 (K121S)	Lenovo Lemon 3
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