Xiaomi Redmi Note 2 (32GB) vs LG X400 (K121S)

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Side by side comparison between Xiaomi Redmi Note 2 vs LG X400 phones, differences, pros, cons and full specifications. What's the better?

4/6/2020 11:16 PM, updated: 4/6/2020 11:27 PM

Compare LG X400 X Xiaomi Redmi Note 2 (32GB) 08Points

Specifications Compare Models Pictures

5.5"
IPS

1080x1920

13
MP

5mp

2GB
RAM

Octa-core

3060
mAh

(Removable)

11Points LG X400 (K121S) Compare Xiaomi Redmi Note 2 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 (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 Xiaomi Redmi Note 2 (32GB)	vs	11 Advantages LG X400 (K121S)
+2.2GHz 64bit Octa-core76% More powerful processor, you can open your applications faster	vs	1.5GHz 64bit Octa-core
+32GB (26GB available)18% More internal storage for applications and files	vs	32GB (22GB available)
+1080x1920 pixels125% Higher resolution screen	vs	720x1280 pixels
+401 PPI45% Crisper display of text, images and videos because it has more pixels per inch (ppi)	vs	277 PPI
+5.5"4% Larger screen	vs	5.3"
+3060 mAh9% 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) (hybrid slot/shares the same microSD slot)Advantage You can have more mobile carriers/operators on the same device.	vs	1 slot (Single-SIM) (dedicated slot)
+802.11 a/b/g/n/ac [wifi5]Advantage WiFi 802.11 a/b/g/n/ac [wifi5] is newer and faster	vs	802.11 b/g/n [wifi4]
Until 128GB microSD, microSDXC	vs	+Until 256GB microSD, microSDXC100% More external storage for files using memory cards
160 grams (5.6 ounces)	vs	+142 grams (4.97 ounces)13% Lighter
8.3 millimeters (0.33 inches)	vs	+8 millimeters (0.31 inches)4% Thinner
(front) HD (1280x720)	vs	+(front) Full HD (1920x1080)125% More image quality for recording videos with the secondary camera
Android 5.0.2 Lollipop	vs	+Android 8.0 OreoAdvantage Android 8.0 Oreo is newer and safer
(4G LTE) 150 Mbps	vs	+(4G LTE-A) 300 Mbps100% Faster for surfing the internet and download files
Not supported	vs	+Fingerprint sensor (rear-mounted)Advantage Sensors help you use the device
Not supported	vs	+Active noise cancellationAdvantage More noise-canceling microphones allow for better quality in calls and audio for recorded videos
Not supported	vs	+Digital TVAdvantage Watch your favorite TV shows anywhere
4.0 + A2DP	vs	+4.2 + A2DPAdvantage Bluetooth 4.2 + A2DP is newer and faster
Not supported	vs	+NFCAdvantage NFC allows you to make payments by approach quickly and securely

29 Common items in both devices

2GB LPDDR3

Plastic body, glass front

TFT IPS LCD

16 million

(back) 13MP

LED flash

Only digital zoom

+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
	Redmi Note 2 (32GB)	LG X400 (K121S)
Change model		Choose the model
Model	Redmi Note 2 (32GB)	X400 (K121S)
Other model names	Redmi Note 2 (2015051), Xiaomi Redmi Note 2 Prime	SKT LG X400, LGM-K121S, LGMK121S (SK Telecom)
Country or region available	China, (Global, International)	South Korea
Brand	Xiaomi	LG
Release date	8/1/2015	2/1/2017
Depth	8.3 millimeters (0.33 inches)	8 millimeters (0.31 inches)
Size (width x height)	76 x 152 millimeters (2.99 x 5.98 in)	75.29 x 148.7 millimeters (2.96 x 5.85 in)
Weight	160 grams (5.6 ounces)	142 grams (4.97 ounces)
Build, materials	Plastic body, glass front	Plastic body, glass front
Protection against water and others	Not supported	Not supported
📲 Display
	Redmi Note 2 (32GB)	LG X400 (K121S)
Display type	TFT IPS LCD	TFT IPS LCD
Screen size	5.5" inches	5.3" inches
Screen-to-body ratio	~72.2% (screen-to-body ratio)	~69.2% (screen-to-body ratio)
Display resolution	1080x1920 pixels	720x1280 pixels
Touchscreen	Capacitive Multitouch	Capacitive Multitouch
Pixel density (dot pitch)	401 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
	Redmi Note 2 (32GB)	LG X400 (K121S)
System version	Android 5.0.2 Lollipop	Android 7.0 Nougat
Firmware update	feature not registered	Android 8.0 Oreo
User Interface	feature not registered	feature not registered
⚙️ Processor
	Redmi Note 2 (32GB)	LG X400 (K121S)
Chipset	64bit: MediaTek MT6795T Helio X10 (28nm)	64bit: MediaTek MT6750 (28nm)
CPU	Octa-core, 1 processor: 8x 2.2GHz ARM Cortex-A53 (Octa-core)	Octa-core, 2 processors: 4x 1.5GHz ARM Cortex-A53 (Quad-core) 4x 1GHz ARM Cortex-A53 (Quad-core)
GPU graphical controller	PowerVR G6200 MP4 700Mhz	ARM Mali-T860 MP2 520Mhz
Performance (benchmark)	feature not registered	feature not registered
💽 Memory and storage
	Redmi Note 2 (32GB)	LG X400 (K121S)
RAM memory	2GB LPDDR3	2GB LPDDR3
Internal storage	32GB (26GB available) eMMC 5.0	32GB (22GB available)
External storage	Until 128GB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot)	Until 256GB microSD, microSDXC (dedicated slot)
📶 Mobile networks
	Redmi Note 2 (32GB)	LG X400 (K121S)
Dual-SIM	Dual-SIM Standby - Call active on one sim card (hybrid slot/shares the same microSD slot)	Not supported
SIM card	2 slots (Dual-SIM) micro-SIM (3FF)	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	TD-SCDMA 1900/2000 UMTS 850/900/1900/2100	UMTS 2100
Primary 4G network	LTE Cat4 (Bands 1, 3, 7) TD-LTE (Bands 38, 39, 40, 41)	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, TD-SCDMA, UMTS, TD-HSDPA, HSDPA, HSUPA, HSPA+, TD-LTE, 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
	Redmi Note 2 (32GB)	LG X400 (K121S)
Back camera (main camera)	13 megapixels	13 megapixels
Main camera resolution	4128x3096 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	feature not registered
Sensor size	feature not registered	1/3" inches
Pixel size	feature not registered	1.12µm pixel
Autofocus	PDAF: phase detection 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
	Redmi Note 2 (32GB)	LG X400 (K121S)
Front camera (secondary)	5 megapixels	5 megapixels
Front camera resolution	2560x1920 pixels	2560x1920 pixels
Video recording (secondary)	HD (1280x720)	Full HD (1920x1080)
Front flash	Not supported	Not supported
Focal aperture	f/2.0 (aperture)	f/2.4 (aperture)
Focal length	feature not registered	feature not registered
Sensor size	feature not registered	1/5" inches
Pixel size	feature not registered	1.12µm pixel
🔉 Sound and multimedia
	Redmi Note 2 (32GB)	LG X400 (K121S)
Loudspeaker	Supported	Supported
Active noise cancellation	Not supported	2 microphones or more
Radio	FM (RDS)	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
	Redmi Note 2 (32GB)	LG X400 (K121S)
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	4.0 + A2DP	4.2 + A2DP
WiFi	802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot	802.11 b/g/n [wifi4] (2.4GHz) WiFi Direct, hotspot
DLNA	Not supported	Not supported
GPS	A-GPS, GeoTagging, GLONASS, BeiDou	A-GPS, GeoTagging, GLONASS
NFC	Not supported	Supported
Infrared port	Supported	Not supported
🧭 Sensors
	Redmi Note 2 (32GB)	LG X400 (K121S)
Sensors	Accelerometer Ambient light sensor Compass Proximity sensor	Accelerometer Ambient light sensor Compass Fingerprint sensor (rear-mounted) Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Redmi Note 2 (32GB)	LG X400 (K121S)
Battery type	LiPo: li-ion polymer (Removable)	Li-Ion: lithium-ion (Removable)
Battery capacity	3060 mAh	2800 mAh
Charger, watts	10W Wired charging	Wired charging
Inductive / wireless charging	feature not registered	feature not registered
Talk time autonomy	11.5 hours	9 hours
Standby	144 hours (6 days)	390 hours (16.3 days)
➕ Other features
	Redmi Note 2 (32GB)	LG X400 (K121S)
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: White, Blue, Yellow, Pink, Green • MIUI 7	• 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
	Redmi Note 2 (32GB)	LG X400 (K121S)
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