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LG X400 (K121S) vs Asus Zenfone 2 Laser (ZE500KG 16GB)

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

,
5.3"
IPS

720x1280

13
MP

5mp

2GB
RAM

Octa-core

2800
mAh

(Removable)

vs
06Points Asus Zenfone 2 Laser (ZE500KG 16GB) Compare LG X400 X
5"
TFT

720x1280

8
MP

5mp

2GB
RAM

Quad-core

2070
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!

X400 (K121S)} 16 Advantages LG X400 (K121S) vs Zenfone 2 Laser (ZE500KG 16GB)} 6 Advantages Asus Zenfone 2 Laser (ZE500KG 16GB)
+1.5GHz 64bit Octa-core23%
More powerful processor, you can open your applications faster
vs1.2GHz 64bit Quad-core
+32GB (22GB available)100%
More internal storage for applications and files
vs16GB (11GB available)
+Until 256GB microSD, microSDXC100%
More external storage for files using memory cards
vsUntil 128GB microSD, microSDXC
+8 millimeters (0.31 inches)31%
Thinner
vs10.5 millimeters (0.41 inches)
+TFT IPS LCDAdvantage
TFT IPS LCD display is brighter and more vivid
vsTFT LCD
+5.3"6%
Larger screen
vs5"
+(back) 13MP62%
Higher resolution main camera
vs(back) 8MP
+(front) Full HD (1920x1080)125%
More image quality for recording videos with the secondary camera
vs(front) HD (1280x720)
+Android 8.0 OreoAdvantage
Android 8.0 Oreo is newer and safer
vsAndroid 5.0.2 Lollipop
+4G LTE-AAdvantage
The 4G LTE-A network is newer and faster
vs3G+ HSPA+
+(4G LTE-A) 300 Mbps6 times
Faster for surfing the internet and download files
vs(3G+ HSPA+) 42 Mbps
+Fingerprint sensor (rear-mounted)Advantage
Sensors help you use the device
vsNot supported
+2800 mAh35%
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
vs2070 mAh
+Digital TVAdvantage
Watch your favorite TV shows anywhere
vsNot supported
+4.2 + A2DPAdvantage
Bluetooth 4.2 + A2DP is newer and faster
vs4.0 + A2DP
+NFCAdvantage
NFC allows you to make payments by approach quickly and securely
vsNot supported
142 grams (4.97 ounces)vs+140 grams (4.9 ounces)1%
Lighter
277 PPIvs+294 PPI6%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
LED flashvs+Dual-LED flashAdvantage
The Dual-LED flash helps in dark places or in low light
f/2.2 (aperture)vs+f/2.0 (aperture)10%
Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.
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 supportedvs+Gorilla Glass 4Advantage
Protection against scratches on the screen lets you carry your phone with your keys

21 Common items in both devices
2GB LPDDR3
16 million
720x1280 pixels
Only digital zoom
Autofocus
HDR photo only main camera
(front) 5MP
+14 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 Clear highlight

📱 Model features

LG X400 (K121S)Asus Zenfone 2 Laser (ZE500KG 16GB)
ModelX400 (K121S)Zenfone 2 Laser (ZE500KG 16GB)
Other model namesSKT LG X400, LGM-K121S, LGMK121S (SK Telecom)Asus ZenFone 2 Laser ZE500KG (3G), Asus Laser 3G
Country or region availableSouth Korea
South Korea
BulgariaPhilippinesIndonesia
Bulgaria, Philippines, Indonesia
BrandLGAsus
Release date2/1/201710/1/2015
Depth8 millimeters (0.31 inches)10.5 millimeters (0.41 inches)
Size (width x height)75.29 x 148.7 millimeters (2.96 x 5.85 in)71.5 x 143.7 millimeters (2.81 x 5.66 in)
Weight142 grams (4.97 ounces)140 grams (4.9 ounces)
Build, materialsPlastic body, glass frontfeature not registered
Protection against water and othersNot supportedNot supported

📲 Display

LG X400 (K121S)Asus Zenfone 2 Laser (ZE500KG 16GB)
Display typeTFT IPS LCDTFT LCD
Screen size5.3" inches5" inches
Screen-to-body ratio~69.2% (screen-to-body ratio)~67.1% (screen-to-body ratio)
Display resolution720x1280 pixels720x1280 pixels
TouchscreenCapacitive MultitouchCapacitive Multitouch
Pixel density (dot pitch)277 PPI294 PPI
Colors16 million16 million
Scratch-resistant glassNot supportedGorilla Glass 4
Refresh ratefeature not registeredfeature not registered
Display featuresfeature not registeredfeature not registered

🤖 Operating System

LG X400 (K121S)Asus Zenfone 2 Laser (ZE500KG 16GB)
System versionAndroid 7.0 NougatAndroid 5.0.2 Lollipop
Firmware updateAndroid 8.0 Oreofeature not registered
User Interfacefeature not registeredfeature not registered

⚙️ Processor

LG X400 (K121S)Asus Zenfone 2 Laser (ZE500KG 16GB)
Chipset64bit: MediaTek MT6750 (28nm)64bit: Qualcomm Snapdragon 410 MSM8916 (28nm)
CPUOcta-core, 2 processors:
4x 1.5GHz ARM Cortex-A53 (Quad-core)
4x 1GHz ARM Cortex-A53 (Quad-core)
Quad-core, 1 processor:
4x 1.2GHz ARM Cortex-A53 (Quad-core)
GPU graphical controllerARM Mali-T860 MP2 520MhzQualcomm Adreno 306 450Mhz
Performance (benchmark)feature not registeredfeature not registered

💽 Memory and storage

LG X400 (K121S)Asus Zenfone 2 Laser (ZE500KG 16GB)
RAM memory2GB LPDDR32GB LPDDR3
Internal storage32GB (22GB available)16GB (11GB available)
eMMC 4.5
External storageUntil 256GB microSD, microSDXC
(dedicated slot)
Until 128GB microSD, microSDXC
(dedicated slot)

📶 Mobile networks

LG X400 (K121S)Asus Zenfone 2 Laser (ZE500KG 16GB)
Dual-SIMNot supportedDual-SIM Standby - Call active on one sim card
(dedicated slot)
SIM card1 slot (Single-SIM)
nano-SIM (4FF)
2 slots (Dual-SIM)
micro-SIM (3FF)
Maximum Download / Upload300/50 Mbps42/5.76 Mbps
Network technology2G, 3G, 4G2G, 3G
Frequency, bands Expand band details Collapse details
GSM MHz bandTri-Band 900/1800/1900Quad-Band 850/900/1800/1900
Primary 2G networkGSM 900/1800/1900GSM 850/900/1800/1900
Primary 3G networkUMTS 2100UMTS 850/900/1900/2100
Primary 4G networkLTE Cat6 850/900/1800/2100/2600 (Bands 1,3,5,7,8)
VoLTE
Not supported
Primary 5G networkNot supportedNot supported
Primary data networkGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE, LTE-AGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+
Secondary 2G networkNot supportedGSM 850/900/1800/1900
Secondary 3G networkNot supportedNot supported
Secondary 4G networkNot supportedNot supported
Secondary data networkNot supportedGPRS, EDGE

📷 Camera

LG X400 (K121S)Asus Zenfone 2 Laser (ZE500KG 16GB)
Back camera (main camera)13 megapixels8 megapixels
Main camera resolution4160x3120 pixels3264x2448 pixels
Video recording (primary)Full HD (1920x1080) 30 fpsFull HD (1920x1080) 30 fps
FlashLED flashDual-LED flash
Focal aperturef/2.2 (aperture)f/2.0 (aperture)
Focal lengthfeature not registeredfeature not registered
Sensor size1/3" inchesfeature not registered
Pixel size1.12µm pixelfeature not registered
AutofocusAutofocusAutofocus
Touch focusSupportedSupported
Image stabilizationEIS: Digital stabilizationfeature not registered
ZoomOnly digital zoomOnly digital zoom
Face/smile detectionFace detection, Smile detectionFace detection, Smile detection
BSI sensorNot supportedNot supported
HDRHDR photo only main cameraHDR photo only main camera
Camera extrasfeature not registeredfeature not registered

📸 Front camera

LG X400 (K121S)Asus Zenfone 2 Laser (ZE500KG 16GB)
Front camera (secondary)5 megapixels5 megapixels
Front camera resolution2560x1920 pixels2560x1920 pixels
Video recording (secondary)Full HD (1920x1080)HD (1280x720)
Front flashNot supportedNot supported
Focal aperturef/2.4 (aperture)feature not registered
Focal lengthfeature not registeredfeature not registered
Sensor size1/5" inchesfeature not registered
Pixel size1.12µm pixelfeature not registered

🔉 Sound and multimedia

LG X400 (K121S)Asus Zenfone 2 Laser (ZE500KG 16GB)
LoudspeakerSupportedSupported
Active noise cancellation2 microphones or moreNot supported
RadioFM (RDS)FM
TVDigital TVNot supported
Video formatsMP4, H.264, H.263, XviD, MKVMP4, H.264, H.263
Audio formatsMP3, WAV, WMA, eAAC+, FLACMP3, WAV, eAAC+

🔌 Connectivity

LG X400 (K121S)Asus Zenfone 2 Laser (ZE500KG 16GB)
USBMicroUSB 2.0, USB OTG On-The-GoMicroUSB 2.0
Audio output3.5mm jack3.5mm jack
TV outputNot supportedNot supported
Bluetooth4.2 + A2DP4.0 + A2DP
WiFi802.11 b/g/n [wifi4] (2.4GHz)
WiFi Direct, hotspot
802.11 b/g/n [wifi4] (2.4GHz)
WiFi Direct, hotspot
DLNANot supportedNot supported
GPSA-GPS, GeoTagging, GLONASSA-GPS, GeoTagging, GLONASS
NFCSupportedNot supported
Infrared portNot supportedNot supported

🧭 Sensors

LG X400 (K121S)Asus Zenfone 2 Laser (ZE500KG 16GB)
SensorsAccelerometer
Ambient light sensor
Compass
Fingerprint sensor (rear-mounted)
Proximity sensor
Accelerometer
Ambient light sensor
Compass
Proximity sensor
Vibrating alertSupportedSupported

🔋 Battery

LG X400 (K121S)Asus Zenfone 2 Laser (ZE500KG 16GB)
Battery typeLi-Ion: lithium-ion (Removable)Li-Ion: lithium-ion (Removable)
Battery capacity2800 mAh2070 mAh
Charger, wattsWired chargingWired charging
Inductive / wireless chargingfeature not registeredfeature not registered
Talk time autonomy9 hoursfeature not registered
Standby390 hours (16.3 days)feature not registered

➕ Other features

LG X400 (K121S)Asus Zenfone 2 Laser (ZE500KG 16GB)
Call controlVoice dialing, Voice recorderVoice dialing, Voice recorder
MessagingSMS (T9), MMS, E-mail, Push mailSMS (T9), MMS, E-mail, Push mail
Hands-free callingSupportedSupported
Video callingSupportedSupported
RingtonesPolyphonic and customizedPolyphonic and customized
Web browserHTML, XHTML, HTML5HTML, XHTML, HTML5
AntennaInternal antennaInternal antenna
Qwerty physical keyboardNot supportedNot 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, White, Silver, Purple, Blue, Red, Gold
• Asus ZenUI
• Toshiba camera sensor
• Laser autofocus camera (0.03 seconds)
• Dual tone flash
• Beidou GPS
• 5GB Asus Webstorage

☢️ Radiation rate

LG X400 (K121S)Asus Zenfone 2 Laser (ZE500KG 16GB)
SAR 1.6W/kg (USA, Mexico, etc.)feature not registeredfeature not registered
SAR 2W/kg (Europe, UK, etc.)feature not registeredfeature not registered
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