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ZTE Blade V8 Lite (V0820) vs LG X400 (K121K)

Side by side comparison between ZTE Blade V8 Lite vs LG X400 phones, differences, pros, cons and full specifications. What's the better?

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Compare LG X400 X ZTE Blade V8 Lite (V0820) 04Points
5"
IPS

720x1280

8
MP

5mp

2GB
RAM

Octa-core

2500
mAh

(Non removable)

vs
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!


27 Common items in both devices
1.5GHz 64bit Octa-core
2GB LPDDR3
Until 256GB microSD, microSDXC
8 millimeters (0.31 inches)
TFT IPS LCD
16 million
720x1280 pixels
+20 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

ZTE Blade V8 Lite (V0820)LG X400 (K121K)
Change model 
ModelBlade V8 Lite (V0820)X400 (K121K)
Other model namesZTE Blade V8 V0820, ZTE Blade V8 LITEKT LG X400, LGM-K121K, LGMK121K (Korea Telecom)
Country or region available(Global, International)ChinaUSA(Europe)
(Global, International), China, USA, (Europe)
South Korea
South Korea
BrandZTELG
Release date3/1/20172/1/2017
Depth8 millimeters (0.31 inches)8 millimeters (0.31 inches)
Size (width x height)71 x 143 millimeters (2.8 x 5.63 in)75.29 x 148.7 millimeters (2.96 x 5.85 in)
Weight136 grams (4.76 ounces)142 grams (4.97 ounces)
Build, materialsfeature not registeredPlastic body, glass front
Protection against water and othersNot supportedNot supported

📲 Display

ZTE Blade V8 Lite (V0820)LG X400 (K121K)
Display typeTFT IPS LCDTFT IPS LCD
Screen size5" inches5.3" inches
Screen-to-body ratio~67.9% (screen-to-body ratio)~69.2% (screen-to-body ratio)
Display resolution720x1280 pixels720x1280 pixels
TouchscreenCapacitive MultitouchCapacitive Multitouch
Pixel density (dot pitch)294 PPI277 PPI
Colors16 million16 million
Scratch-resistant glassNot supportedNot supported
Refresh ratefeature not registeredfeature not registered
Display featuresfeature not registeredfeature not registered

🤖 Operating System

ZTE Blade V8 Lite (V0820)LG X400 (K121K)
System versionAndroid 7.0 NougatAndroid 7.0 Nougat
Firmware updatefeature not registeredAndroid 8.0 Oreo
User Interfacefeature not registeredfeature not registered

⚙️ Processor

ZTE Blade V8 Lite (V0820)LG X400 (K121K)
Chipset64bit: MediaTek MT6750 (28nm)64bit: MediaTek MT6750 (28nm)
CPUOcta-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 1GHz ARM Cortex-A53 (Quad-core)
GPU graphical controllerARM Mali-T860 MP2 520MhzARM Mali-T860 MP2 520Mhz
Performance (benchmark)feature not registeredfeature not registered

💽 Memory and storage

ZTE Blade V8 Lite (V0820)LG X400 (K121K)
RAM memory2GB LPDDR32GB LPDDR3
Internal storage16GB (9GB available)32GB (22GB available)
External storageUntil 256GB microSD, microSDXC
(hybrid slot/shares the same SIM-2 slot)
Until 256GB microSD, microSDXC
(dedicated slot)

📶 Mobile networks

ZTE Blade V8 Lite (V0820)LG X400 (K121K)
Dual-SIMDual-SIM Standby - Call active on one sim card
(hybrid slot/shares the same microSD slot)
Not supported
SIM card2 slots (Dual-SIM)
nano-SIM (4FF)
1 slot (Single-SIM)
nano-SIM (4FF)
Maximum Download / Upload150/50 Mbps300/50 Mbps
Network technology2G, 3G, 4G2G, 3G, 4G
Frequency, bands Expand band details Collapse details
GSM MHz bandQuad-Band 850/900/1800/1900Tri-Band 900/1800/1900
Primary 2G networkGSM 850/900/1800/1900GSM 900/1800/1900
Primary 3G networkGlobal version:
UMTS 850/900/2100
USA version:
UMTS 850/1700/1900
UMTS 2100
Primary 4G networkLTE Cat4
Global version:
LTE (Bands 1,3,5,7,8,20,28)
TD-LTE (Bands 38,40,41)
USA version:
LTE (Bands 2,4,7,12,13,28)
LTE Cat6 850/900/1800/2100/2600 (Bands 1,3,5,7,8)
VoLTE
Primary 5G networkNot supportedNot supported
Primary data networkGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTEGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE, LTE-A
Secondary 2G networkGSM 850/900/1800/1900Not supported
Secondary 3G networkNot supportedNot supported
Secondary 4G networkNot supportedNot supported
Secondary data networkGPRS, EDGENot supported

📷 Camera

ZTE Blade V8 Lite (V0820)LG X400 (K121K)
Back camera (main camera)8 megapixels13 megapixels
Main camera resolution3264x2448 pixels4160x3120 pixels
Video recording (primary)Full HD (1920x1080) 30 fpsFull HD (1920x1080) 30 fps
FlashLED flashLED flash
Focal aperturefeature not registeredf/2.2 (aperture)
Focal lengthfeature not registeredfeature not registered
Sensor sizefeature not registered1/3" inches
Pixel sizefeature not registered1.12µm pixel
AutofocusAutofocusAutofocus
Touch focusSupportedSupported
Image stabilizationEIS: Digital stabilizationEIS: Digital stabilization
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

ZTE Blade V8 Lite (V0820)LG X400 (K121K)
Front camera (secondary)5 megapixels5 megapixels
Front camera resolution2560x1920 pixels2560x1920 pixels
Video recording (secondary)HD (1280x720)Full HD (1920x1080)
Front flashNot supportedNot supported
Focal aperturefeature not registeredf/2.4 (aperture)
Focal lengthfeature not registeredfeature not registered
Sensor sizefeature not registered1/5" inches
Pixel sizefeature not registered1.12µm pixel

🔉 Sound and multimedia

ZTE Blade V8 Lite (V0820)LG X400 (K121K)
LoudspeakerSupportedSupported
Active noise cancellationNot supported2 microphones or more
RadioFMFM (RDS)
TVNot supportedDigital TV
Video formatsMP4, H.264, H.263MP4, H.264, H.263, XviD, MKV
Audio formatsMP3, WAV, OGG, eAAC+, FLACMP3, WAV, WMA, eAAC+, FLAC

🔌 Connectivity

ZTE Blade V8 Lite (V0820)LG X400 (K121K)
USBMicroUSB 2.0MicroUSB 2.0, USB OTG On-The-Go
Audio output3.5mm jack3.5mm jack
TV outputNot supportedNot supported
Bluetooth4.1 + A2DP4.2 + 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, GeoTaggingA-GPS, GeoTagging, GLONASS
NFCNot supportedSupported
Infrared portNot supportedNot supported

🧭 Sensors

ZTE Blade V8 Lite (V0820)LG X400 (K121K)
SensorsAccelerometer
Ambient light sensor
Fingerprint sensor
Gyroscope
Hall effect
Proximity sensor
Accelerometer
Ambient light sensor
Compass
Fingerprint sensor (rear-mounted)
Proximity sensor
Vibrating alertSupportedSupported

🔋 Battery

ZTE Blade V8 Lite (V0820)LG X400 (K121K)
Battery typeLi-Ion: lithium-ion (Non removable)Li-Ion: lithium-ion (Removable)
Battery capacity2500 mAh2800 mAh
Charger, wattsWired chargingWired charging
Inductive / wireless chargingfeature not registeredfeature not registered
Talk time autonomyfeature not registered9 hours
Standbyfeature not registered390 hours (16.3 days)

➕ Other features

ZTE Blade V8 Lite (V0820)LG X400 (K121K)
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
• USB OTG On-The-Go
• Aluminum body
• 2.5D glass screen
• MiFavor 4.2 UI
• VoLTE
• 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

ZTE Blade V8 Lite (V0820)LG X400 (K121K)
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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