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Huawei P8Max (Dual-Sim 16GB) vs LG X400 (K121S)

Side by side comparison between Huawei P8Max vs LG X400 phones, differences, pros, cons and full specifications. What's the better?

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Compare LG X400 X Huawei P8Max (Dual-Sim 16GB) 14Points
6.8"
LTPS

1080x1920

13
MP

5mp

3GB
RAM

Octa-core

4360
mAh

(Non removable)

vs
5.3"
IPS

720x1280

13
MP

5mp

2GB
RAM

Octa-core

2800
mAh

(Removable)

What's the better phone? Huawei P8Max (Dual-Sim 16GB)

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!

P8Max (Dual-Sim 16GB)} 14 Advantages Huawei P8Max (Dual-Sim 16GB) vs X400 (K121S)} 9 Advantages LG X400 (K121S)
+2.2GHz 64bit Octa-core48%
More powerful processor, you can open your applications faster
vs1.5GHz 64bit Octa-core
+3GB LPDDR350%
More RAM memory. Typically more responsive and better for multitasking.
vs2GB LPDDR3
+6.8 millimeters (0.27 inches)18%
Thinner
vs8 millimeters (0.31 inches)
+1080x1920 pixels125%
Higher resolution screen
vs720x1280 pixels
+324 PPI17%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
vs277 PPI
+6.8"28%
Larger screen
vs5.3"
+Dual-LED flashAdvantage
The Dual-LED flash helps in dark places or in low light
vsLED flash
+f/2.0 (aperture)10%
Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.
vsf/2.2 (aperture)
+GyroscopeAdvantage
Sensors help you use the device
vsNot supported
+4360 mAh56%
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
vs2800 mAh
+2 slots (Dual-SIM)
(dedicated slot)Advantage
You can have more mobile carriers/operators on the same device.
vs1 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
vs802.11 b/g/n [wifi4]
+DLNAAdvantage
With DLNA technology you can access and play media files on TV, tablet or DLNA compatible device.
vsNot supported
+Gorilla Glass 3Advantage
Protection against scratches on the screen lets you carry your phone with your keys
vsNot supported
16GB (10GB available)vs+32GB (22GB available)120%
More internal storage for applications and files
Until 128GB microSD, microSDXCvs+Until 256GB microSD, microSDXC100%
More external storage for files using memory cards
228 grams (7.98 ounces)vs+142 grams (4.97 ounces)61%
Lighter
LTPS LCDvs+TFT IPS LCDAdvantage
TFT IPS LCD display is brighter and more vivid
Android 5.0.2 Lollipopvs+Android 8.0 OreoAdvantage
Android 8.0 Oreo is newer and safer
Not supportedvs+Fingerprint sensor (rear-mounted)Advantage
Sensors help you use the device
LiPo: li-ion polymer (Non removable)vs+Li-Ion: lithium-ion (Removable)Advantage
Removable battery can be replaced easily
Not supportedvs+Digital TVAdvantage
Watch your favorite TV shows anywhere
4.0 + A2DPvs+4.2 + A2DPAdvantage
Bluetooth 4.2 + A2DP is newer and faster

26 Common items in both devices
16 million
(back) 13MP
Only digital zoom
Autofocus
HDR photo only main camera
(front) 5MP
Full HD (1920x1080)
+19 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

Huawei P8Max (Dual-Sim 16GB)LG X400 (K121S)
ModelP8Max (Dual-Sim 16GB)X400 (K121S)
Other model namesHuawei P8 Max Standard Edition DAV-703L, Huawei DAV-703LSKT LG X400, LGM-K121S, LGMK121S (SK Telecom)
Country or region availablefeature not registeredSouth Korea
South Korea
BrandHuaweiLG
Release date6/1/20152/1/2017
Depth6.8 millimeters (0.27 inches)8 millimeters (0.31 inches)
Size (width x height)93 x 182.7 millimeters (3.66 x 7.19 in)75.29 x 148.7 millimeters (2.96 x 5.85 in)
Weight228 grams (7.98 ounces)142 grams (4.97 ounces)
Build, materialsfeature not registeredPlastic body, glass front
Protection against water and othersNot supportedNot supported

📲 Display

Huawei P8Max (Dual-Sim 16GB)LG X400 (K121S)
Display typeLTPS LCDTFT IPS LCD
Screen size6.8" inches5.3" inches
Screen-to-body ratio~75% (screen-to-body ratio)~69.2% (screen-to-body ratio)
Display resolution1080x1920 pixels720x1280 pixels
TouchscreenCapacitive MultitouchCapacitive Multitouch
Pixel density (dot pitch)324 PPI277 PPI
Colors16 million16 million
Scratch-resistant glassGorilla Glass 3Not supported
Refresh ratefeature not registeredfeature not registered
Display featuresfeature not registeredfeature not registered

🤖 Operating System

Huawei P8Max (Dual-Sim 16GB)LG X400 (K121S)
System versionAndroid 5.0.2 LollipopAndroid 7.0 Nougat
Firmware updatefeature not registeredAndroid 8.0 Oreo
User Interfacefeature not registeredfeature not registered

⚙️ Processor

Huawei P8Max (Dual-Sim 16GB)LG X400 (K121S)
Chipset64bit: HiSilicon Kirin 935 (28nm)64bit: MediaTek MT6750 (28nm)
CPUOcta-core, 2 processors:
4x 2.2GHz ARM Cortex-A53 (Quad-core)
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 controllerARM Mali-T628 MP4ARM Mali-T860 MP2 520Mhz
Performance (benchmark)feature not registeredfeature not registered

💽 Memory and storage

Huawei P8Max (Dual-Sim 16GB)LG X400 (K121S)
RAM memory3GB LPDDR32GB LPDDR3
Internal storage16GB (10GB available)32GB (22GB available)
External storageUntil 128GB microSD, microSDXC
(dedicated slot)
Until 256GB microSD, microSDXC
(dedicated slot)

📶 Mobile networks

Huawei P8Max (Dual-Sim 16GB)LG X400 (K121S)
Dual-SIMDual-SIM Standby - Call active on one sim card
(dedicated slot)
Not supported
SIM card2 slots (Dual-SIM)
nano-SIM (4FF)
1 slot (Single-SIM)
nano-SIM (4FF)
Maximum Download / Upload300/50 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 networkUMTS 850/900/1900/2100, TD-SCDMA 1900/2000UMTS 2100
Primary 4G networkLTE Cat6 1800/2100 (Bands 1,3), TD-LTE 1900/2300/2500/2600 (Bands 38,39,40,41)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+, LTE, LTE-AGPRS, 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

Huawei P8Max (Dual-Sim 16GB)LG X400 (K121S)
Back camera (main camera)13 megapixels13 megapixels
Main camera resolution4160x3120 pixels4160x3120 pixels
Video recording (primary)Full HD (1920x1080) 30 fpsFull HD (1920x1080) 30 fps
FlashDual-LED flashLED flash
Focal aperturef/2.0 (aperture)f/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 stabilizationfeature not registeredEIS: 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

Huawei P8Max (Dual-Sim 16GB)LG X400 (K121S)
Front camera (secondary)5 megapixels5 megapixels
Front camera resolution2592x1944 pixels2560x1920 pixels
Video recording (secondary)Full HD (1920x1080)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

Huawei P8Max (Dual-Sim 16GB)LG X400 (K121S)
LoudspeakerSupportedSupported
Active noise cancellation2 microphones or more2 microphones or more
RadioFMFM (RDS)
TVNot supportedDigital TV
Video formatsMP4, H.264, H.263MP4, H.264, H.263, XviD, MKV
Audio formatsMP3, WAV, eAAC+, FLACMP3, WAV, WMA, eAAC+, FLAC

🔌 Connectivity

Huawei P8Max (Dual-Sim 16GB)LG X400 (K121S)
USBMicroUSB 2.0MicroUSB 2.0, USB OTG On-The-Go
Audio output3.5mm jack3.5mm jack
TV outputNot supportedNot supported
Bluetooth4.0 + A2DP4.2 + A2DP
WiFi802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz)
WiFi Direct, hotspot
802.11 b/g/n [wifi4] (2.4GHz)
WiFi Direct, hotspot
DLNASupportedNot supported
GPSA-GPS, GeoTagging, GLONASSA-GPS, GeoTagging, GLONASS
NFCSupportedSupported
Infrared portNot supportedNot supported

🧭 Sensors

Huawei P8Max (Dual-Sim 16GB)LG X400 (K121S)
SensorsAccelerometer
Ambient light sensor
Compass
Gyroscope
Proximity sensor
Accelerometer
Ambient light sensor
Compass
Fingerprint sensor (rear-mounted)
Proximity sensor
Vibrating alertSupportedSupported

🔋 Battery

Huawei P8Max (Dual-Sim 16GB)LG X400 (K121S)
Battery typeLiPo: li-ion polymer (Non removable)Li-Ion: lithium-ion (Removable)
Battery capacity4360 mAh2800 mAh
Charger, wattsWired chargingWired charging
Inductive / wireless chargingfeature not registeredfeature not registered
Talk time autonomy39 hours (1.6 days)9 hours
Standby750 hours (31.3 days)390 hours (16.3 days)

➕ Other features

Huawei P8Max (Dual-Sim 16GB)LG X400 (K121S)
Call controlVoice dialing, Voice recorder, Voice commandsVoice 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: Titanium Grey, Mystic Champagne, Luxurious Gold
• USB OTG On-The-Go
• Huawei Emotion 3.1 UI
• Beidou GPS
• Dolby Digital Plus
• nanoSim2 or microSD (shared slot)
• 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

Huawei P8Max (Dual-Sim 16GB)LG X400 (K121S)
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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