Lenovo Z5s (64GB) vs LG X400 (K121S)

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Side by side comparison between Lenovo Z5s vs LG X400 phones, differences, pros, cons and full specifications. What's the better?

4/8/2020 8:50 PM, updated: 4/8/2020 9:21 PM

Compare LG X400 X Lenovo Z5s (64GB) 24Points

Specifications Compare Models Pictures

6.3"
IPS

1080x2340

16
MP

16mp

4GB
RAM

Octa-core

3300
mAh

(Non removable)

04Points LG X400 (K121S) Compare Lenovo Z5s X

Specifications Compare Models Pictures

5.3"
IPS

720x1280

13
MP

5mp

2GB
RAM

Octa-core

2800
mAh

(Removable)

What's the better phone? Lenovo Z5s (64GB)

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!

24 Advantages Lenovo Z5s (64GB)	vs	4 Advantages LG X400 (K121S)
+2.2GHz 64bit Octa-core80% More powerful processor, you can open your applications faster	vs	1.5GHz 64bit Octa-core
+4GB LPDDR4X100% More RAM memory. Typically more responsive and better for multitasking.	vs	2GB LPDDR3
+64GB (49GB available)123% More internal storage for applications and files	vs	32GB (22GB available)
+7.85 millimeters (0.31 inches)2% Thinner	vs	8 millimeters (0.31 inches)
+Aluminum frame, glass front/backAdvantage More resistant material	vs	Plastic body, glass front
+1080x2340 pixels174% Higher resolution screen	vs	720x1280 pixels
+409 PPI48% Crisper display of text, images and videos because it has more pixels per inch (ppi)	vs	277 PPI
+6.3"19% Larger screen	vs	5.3"
+(triple camera) 16MP + 8MP + 5MP123% Higher resolution main camera	vs	(back) 13MP
+Dual-LED flashAdvantage The Dual-LED flash helps in dark places or in low light	vs	LED flash
+Digital and optical zoomAdvantage The zoom allows for better focus and approach to take pictures	vs	Only digital zoom
+HDR photo on both camerasAdvantage The HDR technology produced photos with more detail in dark areas	vs	HDR photo only main camera
+f/1.8 (aperture)22% Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.	vs	f/2.2 (aperture)
+(front) 16MP2 times Higher resolution secondary camera to take pictures and selfies	vs	(front) 5MP
+4K UHD (3840x2160)3 times More image quality for recording videos with the primary camera	vs	Full HD (1920x1080)
+Android 9.0 PieAdvantage Android 9.0 Pie is newer and safer	vs	Android 8.0 Oreo
+Face unlock 2DAdvantage Sensors help you use the device	vs	Not supported
+GyroscopeAdvantage Sensors help you use the device	vs	Not supported
+3300 mAh18% 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]
+5.0 + A2DP/LEAdvantage Bluetooth 5.0 + A2DP/LE is newer and faster	vs	4.2 + A2DP
+Type-CAdvantage Reversible connector, you can stick in a USB-C cable any which way; either side is up.	vs	MicroUSB 2.0, USB OTG On-The-Go
+Gorilla Glass 3Advantage Protection against scratches on the screen lets you carry your phone with your keys	vs	Not supported
172 grams (6.02 ounces)	vs	+142 grams (4.97 ounces)21% Lighter
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

24 Common items in both devices

Until 256GB microSD, microSDXC

LTPS IPS LCD / TFT IPS LCD

16 million

PDAF: phase detection autofocus / Autofocus

EIS: Digital stabilization

(front) Full HD (1920x1080)

4G LTE-A

+17 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
	Lenovo Z5s (64GB)	LG X400 (K121S)
Change model		Choose the model
Model	Z5s (64GB)	X400 (K121S)
Other model names	Lenovo Z5s L78071 (64GB + 4GB RAM)	SKT LG X400, LGM-K121S, LGMK121S (SK Telecom)
Country or region available	China, Hong Kong	South Korea
Brand	Lenovo	LG
Release date	12/1/2018	2/1/2017
Depth	7.85 millimeters (0.31 inches)	8 millimeters (0.31 inches)
Size (width x height)	74.56 x 156.7 millimeters (2.94 x 6.17 in)	75.29 x 148.7 millimeters (2.96 x 5.85 in)
Weight	172 grams (6.02 ounces)	142 grams (4.97 ounces)
Build, materials	Aluminum frame, glass front/back	Plastic body, glass front
Protection against water and others	Not supported	Not supported
📲 Display
	Lenovo Z5s (64GB)	LG X400 (K121S)
Display type	LTPS IPS LCD	TFT IPS LCD
Screen size	6.3" inches	5.3" inches
Screen-to-body ratio	~83.4% (screen-to-body ratio)	~69.2% (screen-to-body ratio)
Display resolution	1080x2340 pixels	720x1280 pixels
Touchscreen	Capacitive Multitouch	Capacitive Multitouch
Pixel density (dot pitch)	409 PPI	277 PPI
Colors	16 million	16 million
Scratch-resistant glass	Gorilla Glass 3	Not supported
Refresh rate	feature not registered	feature not registered
Display features	feature not registered	feature not registered
🤖 Operating System
	Lenovo Z5s (64GB)	LG X400 (K121S)
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
	Lenovo Z5s (64GB)	LG X400 (K121S)
Chipset	64bit: Qualcomm Snapdragon 710 SDM710 (10nm)	64bit: MediaTek MT6750 (28nm)
CPU	Octa-core, 2 processors: 2x 2.2GHz Kryo 360 Gold (Dual-core) 6x 1.7GHz Kryo 360 Silver (Hexa-core)	Octa-core, 2 processors: 4x 1.5GHz ARM Cortex-A53 (Quad-core) 4x 1GHz ARM Cortex-A53 (Quad-core)
GPU graphical controller	Qualcomm Adreno 616 500Mhz	ARM Mali-T860 MP2 520Mhz
Performance (benchmark)	feature not registered	feature not registered
💽 Memory and storage
	Lenovo Z5s (64GB)	LG X400 (K121S)
RAM memory	4GB LPDDR4X	2GB LPDDR3
Internal storage	64GB (49GB available) eMMC 5.1	32GB (22GB available)
External storage	Until 256GB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot)	Until 256GB microSD, microSDXC (dedicated slot)
📶 Mobile networks
	Lenovo Z5s (64GB)	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) nano-SIM (4FF)	1 slot (Single-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	Quad-Band 850/900/1800/1900	Tri-Band 900/1800/1900
Primary 2G network	CDMA 800, GSM 850/900/1800/1900	GSM 900/1800/1900
Primary 3G network	CDMA2000 1xEV-DO TD-SCDMA 1900/2000 UMTS 850/900/1900/2100	UMTS 2100
Primary 4G network	LTE Cat6 (Bands 1, 2, 3, 5, 7, 8, 20) TD-LTE (Bands, 34, 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, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, TD-SCDMA, UMTS, TD-HSDPA, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A	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
	Lenovo Z5s (64GB)	LG X400 (K121S)
Back camera (main camera)	(triple camera) 16 megapixels 8MP telephoto f/2.4PDAF2x-optical-zoom 5MP depth f/2.4	13 megapixels
Main camera resolution	4608x3456 pixels	4160x3120 pixels
Video recording (primary)	4K UHD (3840x2160) 30 fps	Full HD (1920x1080) 30 fps
Flash	Dual-LED flash	LED flash
Focal aperture	f/1.8 (aperture)	f/2.2 (aperture)
Focal length	26mm (lens)	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	Digital and optical 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
	Lenovo Z5s (64GB)	LG X400 (K121S)
Front camera (secondary)	16 megapixels	5 megapixels
Front camera resolution	4608x3456 pixels	2560x1920 pixels
Video recording (secondary)	Full HD (1920x1080)	Full HD (1920x1080)
Front flash	Not supported	Not supported
Focal aperture	f/2.0 (aperture)	f/2.4 (aperture)
Focal length	26mm (lens)	feature not registered
Sensor size	1/3.1" inches	1/5" inches
Pixel size	1µm pixel	1.12µm pixel
🔉 Sound and multimedia
	Lenovo Z5s (64GB)	LG X400 (K121S)
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.265, 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
	Lenovo Z5s (64GB)	LG X400 (K121S)
USB	USB 2.0 Type-C reversible connector	MicroUSB 2.0, USB OTG On-The-Go
Audio output	3.5mm jack	3.5mm jack
TV output	Not supported	Not supported
Bluetooth	5.0 + A2DP/LE	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	A-GPS, GeoTagging, GLONASS
NFC	Not supported	Supported
Infrared port	Not supported	Not supported
🧭 Sensors
	Lenovo Z5s (64GB)	LG X400 (K121S)
Sensors	Accelerometer Ambient light sensor Compass Face unlock 2D Fingerprint sensor (rear-mounted) Gyroscope Proximity sensor	Accelerometer Ambient light sensor Compass Fingerprint sensor (rear-mounted) Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Lenovo Z5s (64GB)	LG X400 (K121S)
Battery type	Li-Ion: lithium-ion (Non removable)	Li-Ion: lithium-ion (Removable)
Battery capacity	3300 mAh	2800 mAh
Charger, watts	15W Wired fast charging	Wired charging
Inductive / wireless charging	feature not registered	feature not registered
Talk time autonomy	19 hours	9 hours
Standby	290 hours (12.1 days)	390 hours (16.3 days)
➕ Other features
	Lenovo Z5s (64GB)	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: Starry Night Grey, Love Orange, Titanium Blue • ZUI 10	• 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
	Lenovo Z5s (64GB)	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