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LG K40 (X420EMW) vs Realme 10 Pro+ (RMX3687 256GB/12GB)

Side by side comparison between LG K40 vs Realme 10 Pro+ phones, differences, pros, cons and full specifications. What's the better?

,
5.7"
IPS

720x1440

16
MP

8mp

2GB
RAM

Octa-core

3000
mAh

(Non removable)

vs
25Points Realme 10 Pro+ (RMX3687 256GB/12GB) Compare LG K40 X
6.7"
AMOLED

1080x2412

108
MP

16mp

12GB
RAM

Octa-core

5000
mAh

(Non removable)

What's the better phone? Realme 10 Pro+ (RMX3687 256GB/12GB)

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!

K40 (X420EMW)} 7 Advantages LG K40 (X420EMW) vs 10 Pro+ (RMX3687 256GB/12GB)} 25 Advantages Realme 10 Pro+ (RMX3687 256GB/12GB)
+Until 1TB microSD, microSDXCAdvantage
More external storage for files using memory cards
vsNot supported
+145 grams (5.08 ounces)21%
Lighter
vs175 grams (6.13 ounces)
+LED flash on both camerasAdvantage
The LED flash on both cameras helps in dark places or in low light
vsLED flash
+3.5mm jackAdvantage
Headsets with 3.5mm Jack size are more common and easy to find in stores
vsType-C reversible connector
+DLNAAdvantage
With DLNA technology you can access and play media files on TV, tablet or DLNA compatible device.
vsNot supported
+NFCAdvantage
NFC allows you to make payments by approach quickly and securely
vsNot supported
+MIL-STD-810G military certifiedAdvantage
Protection against water allows you talk to your friends in the rain, for example
vsNot supported
2GHz 64bit Octa-core (12nm)vs+2.6GHz 64bit Octa-core (6nm)45%
More powerful processor, you can open your applications faster
2GB LPDDR3vs+12GB LPDDR4X5 times
More RAM memory. Typically more responsive and better for multitasking.
32GB (20GB available)vs+256GB (222GB available)10 times
More internal storage for applications and files
eMMC 5.1vs+UFS 2.1Advantage
Fastest write and read storage.
8.3 millimeters (0.33 inches)vs+8 millimeters (0.31 inches)4%
Thinner
TFT IPS LCDvs+AMOLEDAdvantage
AMOLED display is brighter and more vivid
16 millionvs+1 billion62 times
More colors on the screen is better quality images and videos
720x1440 pixelsvs+1080x2412 pixels151%
Higher resolution screen
282 PPIvs+394 PPI40%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
5.7"vs+6.7"18%
Larger screen
(back) 16MPvs+(triple camera) 108MP + 8MP + 2MP6 times
Higher resolution main camera
1/3" inchesvs+1/1.67" inches80%
The larger sensor camera lets you take photos with better depth.
f/2.0 (aperture)vs+f/1.8 (aperture)11%
Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.
(front) 8MPvs+(front) 16MP99%
Higher resolution secondary camera to take pictures and selfies
Full HD (1920x1080)vs+4K UHD (3840x2160)3 times
More image quality for recording videos with the primary camera
Android 8.1 Oreovs+Android 13Advantage
Android 13 is newer and safer
4G LTE-Avs+5G SA/NSAAdvantage
The 5G SA/NSA network is newer and faster
(4G LTE-A) 300 Mbpsvs+(5G SA/NSA) 2000 Mbps6 times
Faster for surfing the internet and download files
Not supportedvs+CompassAdvantage
Sensors help you use the device
Not supportedvs+Face unlockAdvantage
Sensors help you use the device
Not supportedvs+GyroscopeAdvantage
Sensors help you use the device
3000 mAhvs+5000 mAh67%
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
802.11 a/b/g/n/ac [wifi5]vs+802.11 a/b/g/n/ac/ax [wifi6]Advantage
WiFi 802.11 a/b/g/n/ac/ax [wifi6] is newer and faster
5.0 + A2DP/LEvs+5.2 + A2DP/LEAdvantage
Bluetooth 5.2 + A2DP/LE is newer and faster
MicroUSB 2.0, USB OTG On-The-Govs+Type-CAdvantage
Reversible connector, you can stick in a USB-C cable any which way; either side is up.

17 Common items in both devices
Plastic body, glass front
Only digital zoom
PDAF: phase detection autofocus
EIS: Digital stabilization
HDR photo on both cameras
(front) Full HD (1920x1080)
Capacitive
+10 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

๐Ÿ“ฑ Model features

LG K40 (X420EMW)Realme 10 Pro+ (RMX3687 256GB/12GB)
ModelK40 (X420EMW)Realme 10 Pro+ (RMX3687 256GB/12GB)
Other model namesLG K40 LMX420EMW NFC Dual-sim, LM-X420EMW, LG-LMX420EMWRealme 10 Pro Plus 5G (MediaTek Dimensity 1080)
Country or region available(Global, International)(Europe)
(Global, International), (Europe)
China
China
BrandLGRealme
Release date3/31/201911/24/2022, Announced: 11/17/2022
Depth8.3 millimeters (0.33 inches)8 millimeters (0.31 inches)
Size (width x height)71.9 x 153 millimeters (2.83 x 6.02 in)73.9 x 161.5 millimeters (2.91 x 6.36 in)
Weight145 grams (5.08 ounces)175 grams (6.13 ounces)
Build, materialsPlastic body, glass frontPlastic body, glass front
Protection against water and othersMIL-STD-810G military certified: salt, dust, humidity, rain, vibration, solar radiation, transport and thermal shock resistant.Not supported

๐Ÿ“ฒ Display

LG K40 (X420EMW)Realme 10 Pro+ (RMX3687 256GB/12GB)
Display typeTFT IPS LCDAMOLED
Screen size5.7" inches6.7" inches
Screen-to-body ratio~76.2% (screen-to-body ratio)~90.5% (screen-to-body ratio)
Display resolution720x1440 pixels1080x2412 pixels (20:9)
TouchscreenCapacitive MultitouchCapacitive Multitouch
Pixel density (dot pitch)282 PPI394 PPI
Colors16 million1 billion
Scratch-resistant glassNot supportedNot supported
Refresh ratefeature not registered120Hz
Display featuresfeature not registeredHDR10+
100% DCI-P3
Touch Sampling Rate: 360Hz

๐Ÿค– Operating System

LG K40 (X420EMW)Realme 10 Pro+ (RMX3687 256GB/12GB)
System versionAndroid 8.1 OreoAndroid 13
Firmware updatefeature not registeredfeature not registered
User Interfacefeature not registeredRealme UI 4.0

โš™๏ธ Processor

LG K40 (X420EMW)Realme 10 Pro+ (RMX3687 256GB/12GB)
Chipset64bit: MediaTek Helio P22 (MT6762) (12nm)64bit: MediaTek Dimensity 1080 (6nm)
CPUOcta-core, 2 processors:
4x 2GHz ARM Cortex-A53 (Quad-core)
4x 1.5GHz ARM Cortex-A53 (Quad-core)
Octa-core, 2 processors:
2x 2.6GHz ARM Cortex-A78 (Dual-core)
6x 2GHz ARM Cortex-A55 (Hexa-core)
GPU graphical controllerPowerVR GE8320 (650MHz)ARM Mali-G68 MC4
Performance (benchmark)feature not registeredAnTuTu: 523167 (v9)
Geekbench: 2371 (v5.1)
GFXBench: 23fps (ES 3.1 onscreen)

๐Ÿ’ฝ Memory and storage

LG K40 (X420EMW)Realme 10 Pro+ (RMX3687 256GB/12GB)
RAM memory2GB LPDDR312GB LPDDR4X
Internal storage32GB (20GB available)
eMMC 5.1
256GB (222GB available)
UFS 2.1
External storageUntil 1TB microSD, microSDXC
(dedicated slot)
Not supported

๐Ÿ“ถ Mobile networks

LG K40 (X420EMW)Realme 10 Pro+ (RMX3687 256GB/12GB)
Dual-SIMDual-SIM Standby - Call active on one sim card
(dedicated slot)
Dual-SIM Standby - Call active on one sim card
SIM card2 slots (Dual-SIM)
nano-SIM (4FF)
2 slots (Dual-SIM)
nano-SIM (4FF)
Maximum Download / Upload300/50 Mbps2000/1024 Mbps
Network technology2G, 3G, 4G2G, 3G, 4G, 5G
Frequency, bands Expand band details Collapse details
GSM MHz bandQuad-Band 850/900/1800/1900Quad-Band 850/900/1800/1900
Primary 2G networkGSM 850/900/1800/1900CDMA 800, GSM 850/900/1800/1900
Primary 3G networkUMTS 850/900/1900/2100CDMA2000 1xEV-DO
UMTS 850/900/1700/1900/2100
Primary 4G networkLTE Cat6 (Bands 1, 3, 5, 7, 8, 20)
TD-LTE (Bands 38)
LTE Cat13 (1, 3, 5, 7, 8, 19, 28)
TD-LTE (34, 38, 39, 40, 41)
VoLTE
Primary 5G networkNot supportedSA/NSA (1, 3, 5, 8, 28, 40, 41, 77, 78)
Primary data networkGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-AGPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA
Secondary 2G networkGSM 850/900/1800/1900GSM 850/900/1800/1900
Secondary 3G networkNot supportedUMTS 850/900/1700/1900/2100
Secondary 4G networkNot supportedLTE Cat13 (1, 3, 5, 7, 8, 19, 28)
TD-LTE (34, 38, 39, 40, 41)
VoLTE
Secondary data networkGPRS, EDGEGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA

๐Ÿ“ท Camera

LG K40 (X420EMW)Realme 10 Pro+ (RMX3687 256GB/12GB)
Back camera (main camera)16 megapixels(triple camera)
108 megapixels
8MP ultrawide f/2.216mm112ยฐ
2MP macro f/2.4
Main camera resolution4608x3456 pixels12000x9000 pixels
Video recording (primary)Full HD (1920x1080) 30 fps4K UHD (3840x2160) 30 fps
FlashLED flash on both camerasLED flash
Focal aperturef/2.0 (aperture)f/1.8 (aperture)
Focal lengthfeature not registered24mm lens
Sensor size1/3" inches1/1.67" inches
Pixel size1ยตm pixel0.64ยตm 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 supportedSupported
HDRHDR photo on both camerasHDR photo on both cameras
Camera extrasfeature not registered1080p@30/60/120/480fps
720p@960fps

๐Ÿ“ธ Front camera

LG K40 (X420EMW)Realme 10 Pro+ (RMX3687 256GB/12GB)
Front camera (secondary)8 megapixels16 megapixels
Front camera resolution3264x2448 pixels4608x3456 pixels
Video recording (secondary)Full HD (1920x1080)Full HD (1920x1080)
Front flashLEDNot supported
Focal aperturef/2.0 (aperture)f/2.5 (aperture)
Focal lengthfeature not registered25mm lens
Sensor sizefeature not registeredfeature not registered
Pixel sizefeature not registeredfeature not registered

๐Ÿ”‰ Sound and multimedia

LG K40 (X420EMW)Realme 10 Pro+ (RMX3687 256GB/12GB)
LoudspeakerSupportedMono sound with dual speakers
24-bit/192kHz
Hi-Res
Active noise cancellation2 microphones or more2 microphones or more
RadioNot supportedNot supported
TVNot supportedNot supported
Video formatsMP4, H.264, H.263, XviD, MKVMP4, H.265, H.264, H.263, XviD, MKV
Audio formatsMP3, WAV, WMA, eAAC+, FLACMP3, WAV, WMA, eAAC+, FLAC

๐Ÿ”Œ Connectivity

LG K40 (X420EMW)Realme 10 Pro+ (RMX3687 256GB/12GB)
USBMicroUSB 2.0, USB OTG On-The-GoUSB 2.0 Type-C, USB OTG On-The-Go
Audio output3.5mm jackType-C reversible connector
TV outputNot supportedUSB Type-C (reversible)
Bluetooth5.0 + A2DP/LE5.2 + A2DP/LE
WiFi802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO
WiFi Direct, hotspot
802.11 a/b/g/n/ac/ax [wifi6] (2.4GHz, 5GHz) + MIMO
WiFi Direct, hotspot
DLNASupportedNot supported
GPSA-GPS, GeoTaggingA-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS
NFCSupportedNot supported
Infrared portNot supportedNot supported

๐Ÿงญ Sensors

LG K40 (X420EMW)Realme 10 Pro+ (RMX3687 256GB/12GB)
SensorsAccelerometer
Ambient light sensor
Fingerprint sensor (rear-mounted)
Proximity sensor
Accelerometer
Ambient light sensor
Compass
Face unlock
Fingerprint sensor (under display)
Gyroscope
Proximity sensor
Vibrating alertSupportedSupported

๐Ÿ”‹ Battery

LG K40 (X420EMW)Realme 10 Pro+ (RMX3687 256GB/12GB)
Battery typeLi-Ion: lithium-ion (Non removable)LiPo: li-ion polymer (Non removable)
Battery capacity3000 mAh5000 mAh
Charger, wattsWired charging67W Wired fast charging
USB Power Delivery 3.0
Inductive / wireless chargingfeature not registeredNot supported
Talk time autonomy8 hoursfeature not registered
Standby100 hours (4.2 days)feature not registered

โž• Other features

LG K40 (X420EMW)Realme 10 Pro+ (RMX3687 256GB/12GB)
Call controlVoice dialing, Voice recorderVoice dialing, Voice recorder, Voice commands
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
Miscellaneousโ€ข Colors: Black, Moroccan Blue, Platinum Gray
โ€ข 18:9 ratio FullVision display
โ€ข LED notification
โ€ข DTS-X Surround sound
โ€ข Colors: Dark Matter Black, Nebula Blue, Hyperspace

โ˜ข๏ธ Radiation rate

LG K40 (X420EMW)Realme 10 Pro+ (RMX3687 256GB/12GB)
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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