Skip to content

Oppo R7 (USA) vs LG K42 (K420HM)

Side by side comparison between Oppo R7 vs LG K42 phones, differences, pros, cons and full specifications. What's the better?

,
Compare LG K42 X Oppo R7 (USA) 10Points
5"
AMOLED

1080x1920

13
MP

8mp

3GB
RAM

Octa-core

2320
mAh

(Non removable)

vs
15Points LG K42 (K420HM) Compare Oppo R7 X
6.6"
IPS

720x1600

13
MP

8mp

3GB
RAM

Octa-core

4000
mAh

(Non removable)

What's the better phone? LG K42 (K420HM)

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!

R7 (USA)} 10 Advantages Oppo R7 (USA) vs K42 (K420HM)} 15 Advantages LG K42 (K420HM)
+147 grams (5.15 ounces)25%
Lighter
vs184 grams (6.44 ounces)
+6.3 millimeters (0.25 inches)33%
Thinner
vs8.4 millimeters (0.33 inches)
+AMOLEDAdvantage
AMOLED display is brighter and more vivid
vsTFT IPS LCD
+1080x1920 pixels80%
Higher resolution screen
vs720x1600 pixels
+441 PPI66%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
vs266 PPI
+1/3" inches3%
The larger sensor camera lets you take photos with better depth.
vs1/3.1" inches
+4K UHD (3840x2160)3 times
More image quality for recording videos with the primary camera
vsFull HD (1920x1080)
+2 slots (Dual-SIM)
(hybrid slot/shares the same microSD slot)Advantage
You can have more mobile carriers/operators on the same device.
vs1 slot (Single-SIM)
(dedicated slot)
+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
1.5GHz 64bit Octa-corevs+2GHz 64bit Octa-core (12nm)47%
More powerful processor, you can open your applications faster
3GB LPDDR3vs+3GB LPDDR4XAdvantage
This RAM type is better and more efficient.
16GB (12GB available)vs+64GB (45GB available)3 times
More internal storage for applications and files
Until 256GB microSD, microSDXCvs+Until 1TB microSD, microSDXC3 times
More external storage for files using memory cards
5"vs+6.6"32%
Larger screen
(back) 13MPvs+(quad camera) 13MP + 5MP + 2MP + 2MP70%
Higher resolution main camera
f/2.2 (aperture)vs+f/1.8 (aperture)22%
Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.
Android 4.4.2 KitKatvs+Android 10Advantage
Android 10 is newer and safer
Not supportedvs+Face unlockAdvantage
Sensors help you use the device
Not supportedvs+Fingerprint sensor (side-mounted)Advantage
Sensors help you use the device
2320 mAhvs+4000 mAh72%
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
Not supportedvs+FMAdvantage
The radio lets you listen to your songs and sports in general
4.0 + A2DPvs+5.0 + A2DP/LEAdvantage
Bluetooth 5.0 + A2DP/LE is newer and faster
MicroUSB 2.0vs+Type-CAdvantage
Reversible connector, you can stick in a USB-C cable any which way; either side is up.
Not supportedvs+MIL-STD-810G military certifiedAdvantage
Protection against water allows you talk to your friends in the rain, for example

22 Common items in both devices
16 million
LED flash
Only digital zoom
PDAF: phase detection autofocus
EIS: Digital stabilization
HDR photo/video and HDR photo on front camera / HDR photo on both cameras
(front) 8MP
+15 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

Oppo R7 (USA)LG K42 (K420HM)
ModelOppo R7 (USA)K42 (K420HM)
Other model namesOppo R7f USA version, Oppo R7 LTE, Oppo R7 Dual-SimLG K42 LMK420HM, LM-K420HM Single-SIM
Country or region availableUSA
USA
(Latin America)ChileEcuadorMexicoPeru
(Latin America), Chile, Ecuador, Mexico, Peru
BrandOppoLG
Release date5/20/20159/21/2020
Depth6.3 millimeters (0.25 inches)8.4 millimeters (0.33 inches)
Size (width x height)71 x 143 millimeters (2.8 x 5.63 in)76.7 x 165 millimeters (3.02 x 6.5 in)
Weight147 grams (5.15 ounces)184 grams (6.44 ounces)
Build, materialsfeature not registeredPlastic 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

Oppo R7 (USA)LG K42 (K420HM)
Display typeAMOLEDTFT IPS LCD
Screen size5" inches6.6" inches
Screen-to-body ratio~67.9% (screen-to-body ratio)~83.1% (screen-to-body ratio)
Display resolution1080x1920 pixels720x1600 pixels (20:9)
TouchscreenCapacitive MultitouchCapacitive Multitouch
Pixel density (dot pitch)441 PPI266 PPI
Colors16 million16 million
Scratch-resistant glassGorilla Glass 3Not supported
Refresh ratefeature not registered60Hz
Display featuresfeature not registeredNot supported

🤖 Operating System

Oppo R7 (USA)LG K42 (K420HM)
System versionAndroid 4.4.2 KitKatAndroid 10
Firmware updatefeature not registeredfeature not registered
User Interfacefeature not registeredfeature not registered

⚙️ Processor

Oppo R7 (USA)LG K42 (K420HM)
Chipset64bit: Qualcomm Snapdragon 615 MSM8939 (28nm)64bit: MediaTek Helio P22 (MT6762) (12nm)
CPUOcta-core, 2 processors:
4x 1.5GHz ARM Cortex-A53 (Quad-core)
4x 1GHz ARM Cortex-A53 (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 405PowerVR GE8320 (650MHz)
Performance (benchmark)feature not registeredfeature not registered

💽 Memory and storage

Oppo R7 (USA)LG K42 (K420HM)
RAM memory3GB LPDDR33GB LPDDR4X
Internal storage16GB (12GB available)64GB (45GB available)
eMMC 5.1
External storageUntil 256GB microSD, microSDXC
(hybrid slot/shares the same SIM-2 slot)
Until 1TB microSD, microSDXC
(dedicated slot)

📶 Mobile networks

Oppo R7 (USA)LG K42 (K420HM)
Dual-SIMDual-SIM Standby - Call active on one sim card
(hybrid slot/shares the same microSD slot)
Not supported
SIM card2 slots (Dual-SIM)
micro-SIM (3FF) and nano-SIM (4FF)
1 slot (Single-SIM)
nano-SIM (4FF)
Maximum Download / Upload150/50 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 850/900/1700/1900/2100UMTS 850/900/1700/1900/2100
Primary 4G networkLTE Cat4 700/800/1700/1800/2100/2600 (Bands 1,3,4,7,17,20)LTE Cat4 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 28, 66)
TD-LTE (38)
VoLTE
Primary 5G networkNot supportedNot supported
Primary data networkGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTEGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE
Secondary 2G networkGSM 850/900/1800/1900Not supported
Secondary 3G networkUMTS 850/900/1700/1900/2100Not supported
Secondary 4G networkNot supportedNot supported
Secondary data networkGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+Not supported

📷 Camera

Oppo R7 (USA)LG K42 (K420HM)
Back camera (main camera)13 megapixels(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 resolution4128x3096 pixels4128x3096 pixels
Video recording (primary)4K UHD (3840x2160) 30 fpsFull HD (1920x1080) 30 fps
FlashLED flashLED flash
Focal aperturef/2.2 (aperture)f/1.8 (aperture)
Focal lengthfeature not registered27mm lens
Sensor size1/3" inches1/3.1" inches
Pixel sizefeature not registered1.12µm 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 sensorSupportedNot supported
HDRHDR photo/video and HDR photo on front cameraHDR photo on both cameras
Camera extrasfeature not registeredfeature not registered

📸 Front camera

Oppo R7 (USA)LG K42 (K420HM)
Front camera (secondary)8 megapixels8 megapixels
Front camera resolution3264x2448 pixels3264x2448 pixels
Video recording (secondary)Full HD (1920x1080)Full HD (1920x1080)
Front flashNot supportedNot supported
Focal aperturef/2.4 (aperture)f/2.0 (aperture)
Focal lengthfeature not registeredfeature not registered
Sensor sizefeature not registeredfeature not registered
Pixel sizefeature not registeredfeature not registered

🔉 Sound and multimedia

Oppo R7 (USA)LG K42 (K420HM)
LoudspeakerSupportedSupported
Active noise cancellation2 microphones or more2 microphones or more
RadioNot supportedFM
TVNot supportedNot supported
Video formatsMP4, H.264, H.263MP4, H.265, H.264, H.263, XviD, MKV
Audio formatsMP3, WAV, eAAC+, FLACMP3, WAV, WMA, eAAC+, FLAC

🔌 Connectivity

Oppo R7 (USA)LG K42 (K420HM)
USBMicroUSB 2.0USB 2.0 Type-C, USB OTG On-The-Go
Audio output3.5mm jack3.5mm jack
TV outputNot supportedUSB Type-C (reversible)
Bluetooth4.0 + A2DP5.0 + A2DP/LE
WiFi802.11 b/g/n [wifi4] (2.4GHz)
WiFi Direct, hotspot
802.11 b/g/n [wifi4] (2.4GHz)
WiFi Direct, hotspot
DLNASupportedNot supported
GPSA-GPS, GeoTagging, GLONASSA-GPS, GeoTagging
NFCNot supportedNot supported
Infrared portNot supportedNot supported

🧭 Sensors

Oppo R7 (USA)LG K42 (K420HM)
SensorsAccelerometer
Ambient light sensor
Compass
Proximity sensor
Accelerometer
Ambient light sensor
Compass
Face unlock
Fingerprint sensor (side-mounted)
Proximity sensor
Vibrating alertSupportedSupported

🔋 Battery

Oppo R7 (USA)LG K42 (K420HM)
Battery typeLiPo: li-ion polymer (Non removable)LiPo: li-ion polymer (Non removable)
Battery capacity2320 mAh4000 mAh
Charger, wattsWired charging10W (5V/2A) Wired charging
Inductive / wireless chargingfeature not registeredNot supported
Talk time autonomyfeature not registered16 hours
Standbyfeature not registered180 hours (7.5 days)

➕ Other features

Oppo R7 (USA)LG K42 (K420HM)
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: Golden, Silver
• USB OTG On-The-Go
• Color OS 2.1 UI
• Samsung 3M2 sensor camera
• Fast battery charging: 75% in 30min
• Colors: Titan, Green, Red
• Silicon case included
• LG 3D Sound Engine

☢️ Radiation rate

Oppo R7 (USA)LG K42 (K420HM)
SAR 1.6W/kg (USA, Mexico, etc.)feature not registeredfeature not registered
SAR 2W/kg (Europe, UK, etc.)feature not registeredfeature not registered
X

We use cookies to provide and improve our services. By using our site, you consent to cookies. See more details: Privacy policy.