LG K20 (X120BMW) vs LG X400 (K121K)

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Side by side comparison between LG K20 vs LG X400 phones, differences, pros, cons and full specifications. What's the better?

5/18/2020 2:42 PM, updated: 8/4/2020 11:54 AM

Compare LG X400 X LG K20 (X120BMW) 08Points

Specifications Compare Models Pictures

5.45"
IPS

480x960

8
MP

5mp

1GB
RAM

Quad-core

3000
mAh

(Non removable)

15Points LG X400 (K121K) Compare LG K20 X

Specifications Compare Models Pictures

5.3"
IPS

720x1280

13
MP

5mp

2GB
RAM

Octa-core

2800
mAh

(Removable)

What's the better phone? LG X400 (K121K)

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 K20 (X120BMW)	vs	15 Advantages LG X400 (K121K)
+5.45"3% Larger screen	vs	5.3"
+LED flash on both camerasAdvantage The LED flash on both cameras helps in dark places or in low light	vs	LED flash
+HDR photo on both camerasAdvantage The HDR technology produced photos with more detail in dark areas	vs	HDR photo only main camera
+f/2.0 (aperture)10% Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.	vs	f/2.2 (aperture)
+Android 9.0 PieAdvantage Android 9.0 Pie is newer and safer	vs	Android 8.0 Oreo
+3000 mAh7% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use	vs	2800 mAh
+2 slots (Dual-SIM) (dedicated slot)Advantage You can have more mobile carriers/operators on the same device.	vs	1 slot (Single-SIM) (dedicated slot)
+MIL-STD-810G military certifiedAdvantage Protection against water allows you talk to your friends in the rain, for example	vs	Not supported
1.5GHz 64bit Quad-core (28nm)	vs	+1.5GHz 64bit Octa-core3% More powerful processor, you can open your applications faster
1GB LPDDR3	vs	+2GB LPDDR3100% More RAM memory. Typically more responsive and better for multitasking.
16GB (11GB available)	vs	+32GB (22GB available)100% More internal storage for applications and files
152 grams (5.32 ounces)	vs	+142 grams (4.97 ounces)7% Lighter
8.3 millimeters (0.33 inches)	vs	+8 millimeters (0.31 inches)4% Thinner
480x960 pixels	vs	+720x1280 pixels100% Higher resolution screen
197 PPI	vs	+277 PPI41% Crisper display of text, images and videos because it has more pixels per inch (ppi)
(back) 8MP	vs	+(back) 13MP62% Higher resolution main camera
1/4" inches	vs	+1/3" inches33% The larger sensor camera lets you take photos with better depth.
(4G LTE) 150 Mbps	vs	+(4G LTE-A) 300 Mbps100% Faster for surfing the internet and download files
Not supported	vs	+CompassAdvantage Sensors help you use the device
Not supported	vs	+Fingerprint sensor (rear-mounted)Advantage Sensors help you use the device
Li-Ion: lithium-ion (Non removable)	vs	+Li-Ion: lithium-ion (Removable)Advantage Removable battery can be replaced easily
Not supported	vs	+Digital TVAdvantage Watch your favorite TV shows anywhere
Not supported	vs	+NFCAdvantage NFC allows you to make payments by approach quickly and securely

23 Common items in both devices

Until 256GB microSD, microSDXC

Plastic body, glass front

TFT IPS LCD

16 million

Only digital zoom

Autofocus

EIS: Digital stabilization

+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

📱 Model features
	LG K20 (X120BMW)	LG X400 (K121K)
Change model		Choose the model
Model	K20 (X120BMW)	X400 (K121K)
Other model names	LG K20 2019 LMX120BMW.ACOLBK, LM-X120BMW	KT LG X400, LGM-K121K, LGMK121K (Korea Telecom)
Country or region available	(Latin America), Colombia, Panama	South Korea
Brand	LG	LG
Release date	8/7/2019	2/1/2017
Depth	8.3 millimeters (0.33 inches)	8 millimeters (0.31 inches)
Size (width x height)	71.9 x 148.6 millimeters (2.83 x 5.85 in)	75.29 x 148.7 millimeters (2.96 x 5.85 in)
Weight	152 grams (5.32 ounces)	142 grams (4.97 ounces)
Build, materials	Plastic body, glass front	Plastic body, glass front
Protection against water and others	MIL-STD-810G military certified: salt, dust, humidity, rain, vibration, solar radiation, transport and thermal shock resistant.	Not supported
📲 Display
	LG K20 (X120BMW)	LG X400 (K121K)
Display type	TFT IPS LCD	TFT IPS LCD
Screen size	5.45" inches	5.3" inches
Screen-to-body ratio	~71.7% (screen-to-body ratio)	~69.2% (screen-to-body ratio)
Display resolution	480x960 pixels (18:9)	720x1280 pixels
Touchscreen	Capacitive Multitouch	Capacitive Multitouch
Pixel density (dot pitch)	197 PPI	277 PPI
Colors	16 million	16 million
Scratch-resistant glass	Not supported	Not supported
Refresh rate	60Hz	feature not registered
Display features	Not supported	feature not registered
🤖 Operating System
	LG K20 (X120BMW)	LG X400 (K121K)
System version	Android 9.0 Pie	Android 7.0 Nougat
Firmware update	feature not registered	Android 8.0 Oreo
User Interface	feature not registered	feature not registered
⚙️ Processor
	LG K20 (X120BMW)	LG X400 (K121K)
Chipset	64bit: MediaTek MT6739 (28nm)	64bit: MediaTek MT6750 (28nm)
CPU	Quad-core, 1 processor: 4x 1.5GHz 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	PowerVR GE8100 MP1 (570MHz)	ARM Mali-T860 MP2 520Mhz
Performance (benchmark)	feature not registered	feature not registered
💽 Memory and storage
	LG K20 (X120BMW)	LG X400 (K121K)
RAM memory	1GB LPDDR3	2GB LPDDR3
Internal storage	16GB (11GB available) eMMC 5.1	32GB (22GB available)
External storage	Until 256GB microSD, microSDXC (dedicated slot)	Until 256GB microSD, microSDXC (dedicated slot)
📶 Mobile networks
	LG K20 (X120BMW)	LG X400 (K121K)
Dual-SIM	Dual-SIM Standby - Call active on one sim card (dedicated slot)	Not supported
SIM card	2 slots (Dual-SIM) nano-SIM (4FF)	1 slot (Single-SIM) nano-SIM (4FF)
Maximum Download / Upload	150/50 Mbps	300/50 Mbps
Network technology	2G, 3G, 4G	2G, 3G, 4G
Frequency, bands	Expand band details Collapse details
GSM MHz band	Quad-Band 850/900/1800/1900	Tri-Band 900/1800/1900
Primary 2G network	GSM 850/900/1800/1900	GSM 900/1800/1900
Primary 3G network	UMTS 850/900/1900/2100	UMTS 2100
Primary 4G network	LTE Cat4 (1, 2, 3, 4, 5, 7, 8, 17, 28, 66) VoLTE	LTE Cat6 850/900/1800/2100/2600 (Bands 1,3,5,7,8) VoLTE
Primary 5G network	Not supported	Not supported
Primary data network	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE, LTE-A
Secondary 2G network	GSM 850/900/1800/1900	Not supported
Secondary 3G network	Not supported	Not supported
Secondary 4G network	Not supported	Not supported
Secondary data network	GPRS, EDGE	Not supported
📷 Camera
	LG K20 (X120BMW)	LG X400 (K121K)
Back camera (main camera)	8 megapixels	13 megapixels
Main camera resolution	3264x2448 pixels	4160x3120 pixels
Video recording (primary)	Full HD (1920x1080) 30 fps	Full HD (1920x1080) 30 fps
Flash	LED flash on both cameras	LED flash
Focal aperture	f/2.0 (aperture)	f/2.2 (aperture)
Focal length	27mm lens	feature not registered
Sensor size	1/4" inches	1/3" inches
Pixel size	1.12µm pixel	1.12µm pixel
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 on both cameras	HDR photo only main camera
Camera extras	feature not registered	feature not registered
📸 Front camera
	LG K20 (X120BMW)	LG X400 (K121K)
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	LED	Not supported
Focal aperture	f/2.2 (aperture)	f/2.4 (aperture)
Focal length	24mm lens	feature not registered
Sensor size	1/5" inches	1/5" inches
Pixel size	1.12µm pixel	1.12µm pixel
🔉 Sound and multimedia
	LG K20 (X120BMW)	LG X400 (K121K)
Loudspeaker	Supported	Supported
Active noise cancellation	2 microphones or more	2 microphones or more
Radio	FM	FM (RDS)
TV	Not supported	Digital TV
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 K20 (X120BMW)	LG X400 (K121K)
USB	MicroUSB 2.0	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)	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
NFC	Not supported	Supported
Infrared port	Not supported	Not supported
🧭 Sensors
	LG K20 (X120BMW)	LG X400 (K121K)
Sensors	Accelerometer Ambient light sensor Proximity sensor	Accelerometer Ambient light sensor Compass Fingerprint sensor (rear-mounted) Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	LG K20 (X120BMW)	LG X400 (K121K)
Battery type	Li-Ion: lithium-ion (Non removable) BL-01	Li-Ion: lithium-ion (Removable)
Battery capacity	3000 mAh	2800 mAh
Charger, watts	6W (5V/1.2A) Wired charging	Wired charging
Inductive / wireless charging	feature not registered	feature not registered
Talk time autonomy	17 hours	9 hours
Standby	600 hours (25 days)	390 hours (16.3 days)
➕ Other features
	LG K20 (X120BMW)	LG X400 (K121K)
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, Blue, Platinum • Android Go edition • Google assistant • WiFi hotspot	• Colors: Black, Gold • 2.5D Arc Glass screen • LG UX 5.0 • Wide-angle 120° front camera • KnockOn, Knock Code • DMB-TV (Korea)
☢️ Radiation rate
	LG K20 (X120BMW)	LG X400 (K121K)
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