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Lenovo Z6 Pro 5G vs LG K40 (X420EMW)

Side by side comparison between Lenovo Z6 Pro 5G vs LG K40 phones, differences, pros, cons and full specifications. What's the better?

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Compare LG K40 X Lenovo Z6 Pro 5G 22Points
6.39"
AMOLED

1080x2340

48
MP

32mp

8GB
RAM

Octa-core

4000
mAh

(Non removable)

vs
5.7"
IPS

720x1440

16
MP

8mp

2GB
RAM

Octa-core

3000
mAh

(Non removable)

What's the better phone? Lenovo Z6 Pro 5G

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!

Z6 Pro 5G} 22 Advantages Lenovo Z6 Pro 5G vs K40 (X420EMW)} 6 Advantages LG K40 (X420EMW)
+2.84GHz 64bit Octa-core (7nm)48%
More powerful processor, you can open your applications faster
vs2GHz 64bit Octa-core (12nm)
+8GB LPDDR4X3 times
More RAM memory. Typically more responsive and better for multitasking.
vs2GB LPDDR3
+256GB (232GB available)11 times
More internal storage for applications and files
vs32GB (20GB available)
+UFS 3.0Advantage
Fastest write and read storage.
vseMMC 5.1
+Aluminum frame, glass front/backAdvantage
More resistant material
vsPlastic body, glass front
+Super AMOLEDAdvantage
Super AMOLED display is brighter and more vivid
vsTFT IPS LCD
+1080x2340 pixels144%
Higher resolution screen
vs720x1440 pixels
+403 PPI43%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
vs282 PPI
+6.39"12%
Larger screen
vs5.7"
+(5 cameras) 48MP + 8MP + 16MP + 2MP + 0.3MP4 times
Higher resolution main camera
vs(back) 16MP
+1/2" inches50%
The larger sensor camera lets you take photos with better depth.
vs1/3" inches
+f/1.8 (aperture)11%
Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.
vsf/2.0 (aperture)
+(front) 32MP3 times
Higher resolution secondary camera to take pictures and selfies
vs(front) 8MP
+4K UHD (3840x2160)3 times
More image quality for recording videos with the primary camera
vsFull HD (1920x1080)
+Android 9.0 PieAdvantage
Android 9.0 Pie is newer and safer
vsAndroid 8.1 Oreo
+5G SA/NSAAdvantage
The 5G SA/NSA network is newer and faster
vs4G LTE-A
+(5G SA/NSA) 2000 Mbps6 times
Faster for surfing the internet and download files
vs(4G LTE-A) 300 Mbps
+CompassAdvantage
Sensors help you use the device
vsNot supported
+Face unlock 2DAdvantage
Sensors help you use the device
vsNot supported
+GyroscopeAdvantage
Sensors help you use the device
vsNot supported
+4000 mAh33%
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
vs3000 mAh
+Type-CAdvantage
Reversible connector, you can stick in a USB-C cable any which way; either side is up.
vsMicroUSB 2.0, USB OTG On-The-Go
185 grams (6.48 ounces)vs+145 grams (5.08 ounces)28%
Lighter
8.65 millimeters (0.34 inches)vs+8.3 millimeters (0.33 inches)4%
Thinner
Dual-LED flashvs+LED flash on both camerasAdvantage
The LED flash on both cameras helps in dark places or in low light
2 slots (Dual-SIM)
(hybrid slot/shares the same microSD slot)
vs+2 slots (Dual-SIM)
(dedicated slot)Advantage
You can have more mobile carriers/operators on the same device.
Not supportedvs+DLNAAdvantage
With DLNA technology you can access and play media files on TV, tablet or DLNA compatible device.
Not supportedvs+MIL-STD-810G military certifiedAdvantage
Protection against water allows you talk to your friends in the rain, for example

25 Common items in both devices
Until 1TB microSD, microSDXC
16 million
Only digital zoom
PDAF: phase detection autofocus
EIS: Digital stabilization
HDR photo on both cameras
(front) Full HD (1920x1080)
+18 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

Lenovo Z6 Pro 5GLG K40 (X420EMW)
Change model 
ModelLenovo Z6 Pro 5GK40 (X420EMW)
Other model namesLenovo Z6 Pro 5G (256GB + 8GB RAM)LG K40 LMX420EMW NFC Dual-sim, LM-X420EMW, LG-LMX420EMW
Country or region availableChinaHong Kong
China, Hong Kong
(Global, International)(Europe)
(Global, International), (Europe)
BrandLenovoLG
Release date6/1/20193/31/2019
Depth8.65 millimeters (0.34 inches)8.3 millimeters (0.33 inches)
Size (width x height)74.6 x 157.5 millimeters (2.94 x 6.2 in)71.9 x 153 millimeters (2.83 x 6.02 in)
Weight185 grams (6.48 ounces)145 grams (5.08 ounces)
Build, materialsAluminum frame, glass front/backPlastic body, glass front
Protection against water and othersNot supportedMIL-STD-810G military certified: salt, dust, humidity, rain, vibration, solar radiation, transport and thermal shock resistant.

📲 Display

Lenovo Z6 Pro 5GLG K40 (X420EMW)
Display typeSuper AMOLEDTFT IPS LCD
Screen size6.39" inches5.7" inches
Screen-to-body ratio~85.3% (screen-to-body ratio)~76.2% (screen-to-body ratio)
Display resolution1080x2340 pixels720x1440 pixels
TouchscreenCapacitive MultitouchCapacitive Multitouch
Pixel density (dot pitch)403 PPI282 PPI
Colors16 million16 million
Scratch-resistant glassNot supportedNot supported
Refresh ratefeature not registeredfeature not registered
Display featuresfeature not registeredfeature not registered

🤖 Operating System

Lenovo Z6 Pro 5GLG K40 (X420EMW)
System versionAndroid 9.0 PieAndroid 8.1 Oreo
Firmware updatefeature not registeredfeature not registered
User Interfacefeature not registeredfeature not registered

⚙️ Processor

Lenovo Z6 Pro 5GLG K40 (X420EMW)
Chipset64bit: Qualcomm Snapdragon 855 (SM8150) (7nm)64bit: MediaTek Helio P22 (MT6762) (12nm)
CPUOcta-core, 3 processors:
1x 2.84GHz Kryo 485 (Single-core)
3x 2.42GHz Kryo 485 (Triple-core)
4x 1.78GHz Kryo 485 (Quad-core)
Octa-core, 2 processors:
4x 2GHz ARM Cortex-A53 (Quad-core)
4x 1.5GHz ARM Cortex-A53 (Quad-core)
GPU graphical controllerQualcomm Adreno 640 (585MHz)PowerVR GE8320 (650MHz)
Performance (benchmark)feature not registeredfeature not registered

💽 Memory and storage

Lenovo Z6 Pro 5GLG K40 (X420EMW)
RAM memory8GB LPDDR4X2GB LPDDR3
Internal storage256GB (232GB available)
UFS 3.0
32GB (20GB available)
eMMC 5.1
External storageUntil 1TB microSD, microSDXC
(hybrid slot/shares the same SIM-2 slot)
Until 1TB microSD, microSDXC
(dedicated slot)

📶 Mobile networks

Lenovo Z6 Pro 5GLG K40 (X420EMW)
Dual-SIMDual-SIM Standby - Call active on one sim card
(hybrid slot/shares the same microSD slot)
Dual-SIM Standby - Call active on one sim card
(dedicated slot)
SIM card2 slots (Dual-SIM)
nano-SIM (4FF)
2 slots (Dual-SIM)
nano-SIM (4FF)
Maximum Download / Upload2000/150 Mbps300/50 Mbps
Network technology2G, 3G, 4G, 5G2G, 3G, 4G
Frequency, bands Expand band details Collapse details
GSM MHz bandQuad-Band 850/900/1800/1900Quad-Band 850/900/1800/1900
Primary 2G networkCDMA 800, GSM 850/900/1800/1900GSM 850/900/1800/1900
Primary 3G networkCDMA2000 1xEV-DO
TD-SCDMA 1900/2000
UMTS 850/900/1900/2100
UMTS 850/900/1900/2100
Primary 4G networkLTE Cat18 (Bands 1, 3, 5, 7, 8, 20)
TD-LTE (Bands 34, 38, 39, 40, 41)
VoLTE
LTE Cat6 (Bands 1, 3, 5, 7, 8, 20)
TD-LTE (Bands 38)
Primary 5G networkSA/NSA Sub6 (Bands 41, 78)Not supported
Primary data networkGPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, TD-SCDMA, UMTS, TD-HSDPA, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSAGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A
Secondary 2G networkGSM 850/900/1800/1900GSM 850/900/1800/1900
Secondary 3G networkNot supportedNot supported
Secondary 4G networkNot supportedNot supported
Secondary data networkGPRS, EDGEGPRS, EDGE

📷 Camera

Lenovo Z6 Pro 5GLG K40 (X420EMW)
Back camera (main camera)(5 cameras)
48 megapixels
8MP telephoto f/2.4PDAF
16MP ultrawide f/2.212mmAF
2MP wide f/1.82.9µmPDAFOIS
0.3MP TOF 3D Time-of-Flight
16 megapixels
Main camera resolution8000x6000 pixels4608x3456 pixels
Video recording (primary)4K UHD (3840x2160) 30 fpsFull HD (1920x1080) 30 fps
FlashDual-LED flashLED flash on both cameras
Focal aperturef/1.8 (aperture)f/2.0 (aperture)
Focal length28mm (lens)feature not registered
Sensor size1/2" inches1/3" inches
Pixel size0.8µm pixel1µm pixel
AutofocusPDAF: phase detection autofocusPDAF: phase detection autofocus
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 on both camerasHDR photo on both cameras
Camera extrasfeature not registeredfeature not registered

📸 Front camera

Lenovo Z6 Pro 5GLG K40 (X420EMW)
Front camera (secondary)32 megapixels8 megapixels
Front camera resolution6528x4896 pixels3264x2448 pixels
Video recording (secondary)Full HD (1920x1080)Full HD (1920x1080)
Front flashNot supportedLED
Focal aperturef/2.0 (aperture)f/2.0 (aperture)
Focal length26mm (lens)feature not registered
Sensor size1/2.8" inchesfeature not registered
Pixel size0.8µm pixelfeature not registered

🔉 Sound and multimedia

Lenovo Z6 Pro 5GLG K40 (X420EMW)
LoudspeakerSupportedSupported
Active noise cancellation2 microphones or more2 microphones or more
RadioNot supportedNot supported
TVNot supportedNot supported
Video formatsMP4, H.265, H.264, H.263, XviD, MKVMP4, H.264, H.263, XviD, MKV
Audio formatsMP3, WAV, WMA, eAAC+, FLACMP3, WAV, WMA, eAAC+, FLAC

🔌 Connectivity

Lenovo Z6 Pro 5GLG K40 (X420EMW)
USBUSB 2.0 Type-C, USB OTG On-The-GoMicroUSB 2.0, USB OTG On-The-Go
Audio output3.5mm jack3.5mm jack
TV outputNot supportedNot supported
Bluetooth5.0 + A2DP/LE5.0 + A2DP/LE
WiFi802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO
WiFi Direct, hotspot
802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO
WiFi Direct, hotspot
DLNANot supportedSupported
GPSA-GPS, GeoTagging, GLONASS, BeiDouA-GPS, GeoTagging
NFCSupportedSupported
Infrared portNot supportedNot supported

🧭 Sensors

Lenovo Z6 Pro 5GLG K40 (X420EMW)
SensorsAccelerometer
Ambient light sensor
Compass
Face unlock 2D
Fingerprint sensor (under display)
Gyroscope
Proximity sensor
Accelerometer
Ambient light sensor
Fingerprint sensor (rear-mounted)
Proximity sensor
Vibrating alertSupportedSupported

🔋 Battery

Lenovo Z6 Pro 5GLG K40 (X420EMW)
Battery typeLiPo: li-ion polymer (Non removable)Li-Ion: lithium-ion (Non removable)
Battery capacity4000 mAh3000 mAh
Charger, watts18W Wired fast chargingWired charging
Inductive / wireless chargingfeature not registeredfeature not registered
Talk time autonomyfeature not registered8 hours
Standbyfeature not registered100 hours (4.2 days)

➕ Other features

Lenovo Z6 Pro 5GLG K40 (X420EMW)
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: Red, Blue
• ZUI 11.1
• 19.5:9 HDR10 display
• 2.5D glass screen
• GPU with liquid cooling system
• Dolby Atmos sound
• Colors: Black, Moroccan Blue, Platinum Gray
• 18:9 ratio FullVision display
• LED notification
• DTS-X Surround sound

☢️ Radiation rate

Lenovo Z6 Pro 5GLG K40 (X420EMW)
SAR 1.6W/kg (USA, Mexico, etc.)feature not registeredfeature not registered
SAR 2W/kg (Europe, UK, etc.)feature not registeredfeature not registered
X

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