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Realme 7 (128GB) vs LG K42 (K420EMW)

Side by side comparison between Realme 7 vs LG K42 phones, differences, pros, cons and full specifications. What's the better?

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Compare LG K42 X Realme 7 (128GB) 18Points
6.4"
IPS

1800x2400

64
MP

16mp

8GB
RAM

Octa-core

5000
mAh

(Non removable)

vs
04Points LG K42 (K420EMW) Compare Realme 7 X
6.6"
IPS

720x1600

13
MP

8mp

3GB
RAM

Octa-core

4000
mAh

(Non removable)

What's the better phone? Realme 7 (128GB)

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!

7 (128GB)} 18 Advantages Realme 7 (128GB) vs K42 (K420EMW)} 4 Advantages LG K42 (K420EMW)
+2.05GHz 64bit Octa-core (12nm)16%
More powerful processor, you can open your applications faster
vs2GHz 64bit Octa-core (12nm)
+8GB LPDDR4X167%
More RAM memory. Typically more responsive and better for multitasking.
vs3GB LPDDR4X
+128GB (104GB available)131%
More internal storage for applications and files
vs64GB (45GB available)
+UFS 2.1Advantage
Fastest write and read storage.
vseMMC 5.1
+90Hz50%
The display reproduces more frames per second because the frequency (Hertz) is higher, improves fluidity and tires your eyes less.
vs60Hz
+1800x2400 pixels3 times
Higher resolution screen
vs720x1600 pixels
+469 PPI76%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
vs266 PPI
+(quad camera) 64MP + 8MP + 2MP + 2MP2 times
Higher resolution main camera
vs(quad camera) 13MP + 5MP + 2MP + 2MP
+1/1.73" inches79%
The larger sensor camera lets you take photos with better depth.
vs1/3.1" inches
+(front) 16MP99%
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)
+(4G LTE-A) 300 Mbps100%
Faster for surfing the internet and download files
vs(4G LTE) 150 Mbps
+GyroscopeAdvantage
Sensors help you use the device
vsNot supported
+5000 mAh25%
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
vs4000 mAh
+30W2 times
More power (watts) to charge the battery faster. Sometimes, the charger that comes with the device doesn't have the same power supported by the device. Check before you buy it.
vs10W
+FMAdvantage
The radio lets you listen to your songs and sports in general
vsNot supported
+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]
+Gorilla Glass 3Advantage
Protection against scratches on the screen lets you carry your phone with your keys
vsNot supported
196 grams (6.86 ounces)vs+184 grams (6.44 ounces)7%
Lighter
9.4 millimeters (0.37 inches)vs+8.4 millimeters (0.33 inches)12%
Thinner
6.4"vs+6.6"3%
Larger screen
Not supportedvs+MIL-STD-810G military certifiedAdvantage
Protection against water allows you talk to your friends in the rain, for example

33 Common items in both devices
Until 1TB microSD, microSDXC
Plastic body, glass front
TFT IPS LCD
16 million
LED flash
Only digital zoom
PDAF: phase detection autofocus
+26 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

Realme 7 (128GB)LG K42 (K420EMW)
ModelRealme 7 (128GB)K42 (K420EMW)
Other model namesRealme 7 RMX2151 (128GB+8GB RAM)LG K42 LMK420EMW, LM-K420EMW Dual-SIM NFC
Country or region available(Global, International)Indonesia
(Global, International), Indonesia
(Europe)
(Europe)
BrandRealmeLG
Release date9/10/20209/21/2020
Depth9.4 millimeters (0.37 inches)8.4 millimeters (0.33 inches)
Size (width x height)75.4 x 162.3 millimeters (2.97 x 6.39 in)76.7 x 165 millimeters (3.02 x 6.5 in)
Weight196 grams (6.86 ounces)184 grams (6.44 ounces)
Build, materialsPlastic body, glass frontPlastic 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

Realme 7 (128GB)LG K42 (K420EMW)
Display typeTFT IPS LCDTFT IPS LCD
Screen size6.4" inches6.6" inches
Screen-to-body ratio~103.7% (screen-to-body ratio)~83.1% (screen-to-body ratio)
Display resolution1800x2400 pixels (20:9)720x1600 pixels (20:9)
TouchscreenCapacitive MultitouchCapacitive Multitouch
Pixel density (dot pitch)469 PPI266 PPI
Colors16 million16 million
Scratch-resistant glassGorilla Glass 3Not supported
Refresh rate90Hz60Hz
Display features480nits[typ]Not supported

🤖 Operating System

Realme 7 (128GB)LG K42 (K420EMW)
System versionAndroid 10Android 10
Firmware updatefeature not registeredfeature not registered
User Interfacefeature not registeredfeature not registered

⚙️ Processor

Realme 7 (128GB)LG K42 (K420EMW)
Chipset64bit: MediaTek Helio G95 (MT6785V) (12nm)64bit: MediaTek Helio P22 (MT6762) (12nm)
CPUOcta-core, 2 processors:
2x 2.05GHz ARM Cortex-A76 (Dual-core)
6x 2GHz ARM Cortex-A55 (Hexa-core)
Octa-core, 2 processors:
4x 2GHz ARM Cortex-A53 (Quad-core)
4x 1.5GHz ARM Cortex-A53 (Quad-core)
GPU graphical controllerARM Mali-G76 MC4 (900MHz)PowerVR GE8320 (650MHz)
Performance (benchmark)feature not registeredfeature not registered

💽 Memory and storage

Realme 7 (128GB)LG K42 (K420EMW)
RAM memory8GB LPDDR4X3GB LPDDR4X
Internal storage128GB (104GB available)
UFS 2.1
64GB (45GB available)
eMMC 5.1
External storageUntil 1TB microSD, microSDXC
(dedicated slot)
Until 1TB microSD, microSDXC
(dedicated slot)

📶 Mobile networks

Realme 7 (128GB)LG K42 (K420EMW)
Dual-SIMDual-SIM Standby - Call active on one sim card
(dedicated 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 / Upload300/150 Mbps150/50 Mbps
Network technology2G, 3G, 4G2G, 3G, 4G
Frequency, bands Expand band details Collapse details
GSM MHz bandQuad-Band 850/900/1800/1900Quad-Band 850/900/1800/1900
Primary 2G networkGSM 850/900/1800/1900GSM 850/900/1800/1900
Primary 3G networkUMTS 850/900/2100UMTS 850/900/1900/2100
Primary 4G networkLTE Cat6 (1, 3, 5, 8)
TD-LTE (38, 40, 41)
LTE Cat4 (1, 3, 7, 8, 20, 28)
TD-LTE (38)
VoLTE
Primary 5G networkNot supportedNot supported
Primary data networkGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-AGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE
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

Realme 7 (128GB)LG K42 (K420EMW)
Back camera (main camera)(quad camera)
64 megapixels
8MP ultrawide f/2.3119°16mm1/4.0"1.12µm
2MP macro f/2.4
2MP depth f/2.4
(quad camera)
13 megapixels
5MP ultrawide f/2.2115°1/5.0"1.12µm
2MP macro f/2.41.75μm
2MP depth f/2.41.75μm
Main camera resolution10120x6328 pixels4128x3096 pixels
Video recording (primary)4K UHD (3840x2160) 30 fpsFull HD (1920x1080) 30 fps
FlashLED flashLED flash
Focal aperturef/1.8 (aperture)f/1.8 (aperture)
Focal length26mm (lens)27mm (lens)
Sensor size1/1.73" inches1/3.1" inches
Pixel size0.8µm pixel1.12µm 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

Realme 7 (128GB)LG K42 (K420EMW)
Front camera (secondary)16 megapixels8 megapixels
Front camera resolution4608x3456 pixels3264x2448 pixels
Video recording (secondary)Full HD (1920x1080)Full HD (1920x1080)
Front flashNot supportedNot supported
Focal aperturef/2.1 (aperture)f/2.0 (aperture)
Focal length26mm (lens)feature not registered
Sensor size1/3.1" inchesfeature not registered
Pixel size1µm pixelfeature not registered

🔉 Sound and multimedia

Realme 7 (128GB)LG K42 (K420EMW)
LoudspeakerSupportedSupported
Active noise cancellation2 microphones or more2 microphones or more
RadioFMNot supported
TVNot supportedNot supported
Video formatsMP4, H.265, H.264, H.263, XviD, MKVMP4, H.265, H.264, H.263, XviD, MKV
Audio formatsMP3, WAV, WMA, eAAC+, FLACMP3, WAV, WMA, eAAC+, FLAC

🔌 Connectivity

Realme 7 (128GB)LG K42 (K420EMW)
USBUSB 2.0 Type-C, USB OTG On-The-GoUSB 2.0 Type-C, USB OTG On-The-Go
Audio output3.5mm jack3.5mm jack
TV outputUSB Type-C (reversible)USB Type-C (reversible)
Bluetooth5.0 + A2DP/LE5.0 + A2DP/LE
WiFi802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO
WiFi Direct, hotspot
802.11 b/g/n [wifi4] (2.4GHz)
WiFi Direct, hotspot
DLNANot supportedNot supported
GPSA-GPS, GeoTagging, GLONASS, BeiDouA-GPS, GeoTagging
NFCSupportedSupported
Infrared portNot supportedNot supported

🧭 Sensors

Realme 7 (128GB)LG K42 (K420EMW)
SensorsAccelerometer
Ambient light sensor
Compass
Face unlock 2D
Fingerprint sensor (side-mounted)
Gyroscope
Proximity sensor
Accelerometer
Ambient light sensor
Compass
Face unlock 2D
Fingerprint sensor (side-mounted)
Proximity sensor
Vibrating alertSupportedSupported

🔋 Battery

Realme 7 (128GB)LG K42 (K420EMW)
Battery typeLiPo: li-ion polymer (Non removable)LiPo: li-ion polymer (Non removable)
Battery capacity5000 mAh4000 mAh
Charger, watts30W (5V/6A) Wired fast charging10W (5V/2A) Wired charging
Inductive / wireless chargingNot supportedNot supported
Talk time autonomyfeature not registered16 hours
Standbyfeature not registered180 hours (7.5 days)

➕ Other features

Realme 7 (128GB)LG K42 (K420EMW)
Call controlVoice dialing, Voice recorder, Voice commandsVoice 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
Miscellaneous• Colors: Mist Blue, Mist White
• Realme UI
• Sony IMX682 sensor camera
• Superb Carbon Fiber Cooling System
• TÜV Rheinland Verified
• Colors: Titan, Green, Red
• Silicon case included
• LG 3D Sound Engine

☢️ Radiation rate

Realme 7 (128GB)LG K42 (K420EMW)
SAR 1.6W/kg (USA, Mexico, etc.)0.99W/kg (head), 0.93W/kg (body)feature not registered
SAR 2W/kg (Europe, UK, etc.)feature not registeredfeature not registered
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