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OnePlus 7T (256GB) vs LG K51 (K500MM)

Side by side comparison between OnePlus 7T vs LG K51 phones, differences, pros, cons with full specifications. What's the better?

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Compare LG K51 XOnePlus 7T (256GB)28Points
OnePlus 7T (256GB)
6.55"
AMOLED

1080x2400

48
MP

16mp

8GB
RAM

64bit Octa

3800
mAh

(Non removable)

vs
LG K51 (K500MM)
6.5"
IPS

720x1560

13
MP

13mp

3GB
RAM

64bit Octa

4000
mAh

(Non removable)

What's the better phone? OnePlus 7T (256GB)

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!

7T (256GB)28 Advantages OnePlus 7T (256GB)vsK51 (K500MM)4 Advantages LG K51 (K500MM)
+2.96Ghz 64bit Octa-Core51%
More powerful processor, you can open your applications faster
vs2Ghz 64bit Octa-Core
+8GB LPDDR4X167%
More RAM memory. Typically more responsive and better for multitasking.
vs3GB LPDDR3
+256GB (223GB available)11 times
More internal storage for applications and files
vs32GB (18GB available)
+UFS 3.0Advantage
Fastest write and read storage.
vseMMC 5.1
+190 grams (6.65 ounces)7%
Lighter
vs204 grams (7.14 ounces)
+8.1 millimeters (0.32 inches)5%
Thinner
vs8.47 millimeters (0.33 inches)
+Aluminum frame, glass front/backAdvantage
More resistant material
vsPlastic body, glass front
+Fluid AMOLEDAdvantage
Fluid AMOLED display is brighter and more vivid
vsTFT IPS LCD
+HDR10+Advantage
The HDR10+ display provides vibrant colors and more details
vsNot supported
+90Hz50%
The display reproduces more frames per second because the frequency (Hertz) is higher, improves fluidity and tires your eyes less.
vs60Hz
+1080x2400 pixels131%
Higher resolution screen
vs720x1560 pixels
+402 PPI52%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
vs264 PPI
+6.55"1%
Larger screen
vs6.5"
+(triple camera) 48MP + 12MP + 16MP3 times
Higher resolution main camera
vs(triple camera) 13MP + 5MP + 2MP
+Dual-LED flashAdvantage
The Dual-LED flash helps in dark places or in low light
vsLED flash
+Digital and optical zoomAdvantage
The zoom allows for better focus and approach to take pictures
vsOnly digital zoom
+OIS: Optical stabilizationAdvantage
Image stabilization prevents blurry photos and helps in recording motion video
vsEIS: Digital stabilization
+1/2" inches50%
The larger sensor camera lets you take photos with better depth.
vs1/3" inches
+f/1.6 (aperture)13%
Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.
vsf/1.8 (aperture)
+(front) 16MP25%
Higher resolution secondary camera to take pictures and selfies
vs(front) 13MP
+4K UHD (3840x2160)3 times
More image quality for recording videos with the primary camera
vsFull HD (1920x1080)
+(4G+ LTE-A) 1200 Mbps3 times
Faster for surfing the internet and download files
vs(4G+ LTE-A) 300 Mbps
+Face unlockAdvantage
Sensors help you use the device
vsNot supported
+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
+2 slots (Dual-SIM)Advantage
It's more advantageous to have more than one phone operator in 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
+NFCAdvantage
NFC allows you to make payments by approach quickly and securely
vsNot supported
+USB 3.1 Type-C, USB OTG On-The-GoAdvantage
Newer and faster USB version for transferring photos, mp3 or data.
vsUSB 2.0 Type-C, USB OTG On-The-Go
Not supportedvs+Until 1TB microSD, microSDXCAdvantage
More external storage for files using memory cards
Type-C reversible connectorvs+3.5mm jackAdvantage
Headsets with 3.5mm Jack size are more common and easy to find in stores
3800 mAhvs+4000 mAh5%
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
Not supportedvs+MIL-STD-810G military certifiedAdvantage
Protection against water allows you talk to your friends in the rain, for example

24 Common items in both devices
16 million
LDAF/PDAF: laser/phase detection autofocus / PDAF: phase detection autofocus
HDR photo on both cameras
(front) Full HD (1920x1080)
Android 10
4G+ LTE-A
Capacitive
+17 specs and more in the table below

Check the comparison table below for more items that are not evaluated in comparison score above.

Highlight differencesClear highlight
Physical featuresOnePlus 7T (256GB)LG K51 (K500MM)
Model7T (256GB)K51 (K500MM)
Other model namesOnePlus 7T (256GB + 8GB RAM), HD1900, HD1901, HD1903, HD1905LG K51 (Metro by T-Mobile) LMK500MMAMTPTN, LM-K500MM
Country or region availableChinaHong KongIndia
China, Hong Kong, India
USA
USA
BrandOnePlusLG
Release dateOctober, 2019May, 2020
Depth8.1 millimeters (0.32 inches)8.47 millimeters (0.33 inches)
Size (width x height)74.4 x 160.9 millimeters (2.93 x 6.33 in)77.92 x 166.96 millimeters (3.07 x 6.57 in)
Weight190 grams (6.65 ounces)204 grams (7.14 ounces)
Qwerty physical keyboardNot supportedNot supported
AntennaInternal antennaInternal antenna
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.
System (OS)OnePlus 7T (256GB)LG K51 (K500MM)
Operating systemAndroid 10Android 10
Firmware updatefeature not registeredfeature not registered
HardwareOnePlus 7T (256GB)LG K51 (K500MM)
Chipset64bit - Qualcomm Snapdragon 855 Plus SDM855 (7nm)64bit - MediaTek MT6762 Helio P22 (12nm)
CPU processorOcta-Core, 3 processors:
2.96Ghz Single-Core Kryo 485
2.42Ghz 3-Cores Kryo 485
1.8Ghz Quad-Core Kryo 485
Octa-Core, 2 processors:
2Ghz Quad-Core ARM Cortex-A53
1.5Ghz Quad-Core ARM Cortex-A53
GPU graphical controllerQualcomm Adreno 640 672MhzPowerVR GE8320 650Mhz
RAM memory8GB LPDDR4X3GB LPDDR3
Internal storage256GB (223GB available)
UFS 3.0
32GB (18GB available)
eMMC 5.1
External storageNot supportedUntil 1TB microSD, microSDXC
(dedicated slot)
DisplayOnePlus 7T (256GB)LG K51 (K500MM)
Display typeFluid AMOLEDTFT IPS LCD
Screen size6.55" inches6.5" inches
Screen-to-body ratio~86.5% (screen-to-body ratio)~79.7% (screen-to-body ratio)
Display resolution1080x2400 pixels (20:9)720x1560 pixels (19.5:9)
TouchscreenCapacitive MultitouchCapacitive Multitouch
Pixel density (dot pitch)402 PPI264 PPI
Colors16 million16 million
Scratch-resistant glassGorilla Glass 5Panda King Glass
Display features90Hz, HDR10+60Hz
Mobile networksOnePlus 7T (256GB)LG K51 (K500MM)
Dual-SIMDual-SIM Standby - Call active on one sim cardNot supported
SIM card2 slots (Dual-SIM)
nano-SIM (4FF)
1 slot (Single-SIM)
nano-SIM (4FF)
Maximum download/upload1200/150 Mbps300/50 Mbps
Network technology2G, 3G, 4G2G, 3G, 4G
Frequency, bandsExpand band detailsCollapse details
GSM Mhz bandQuad-Band 850/900/1800/1900Quad-Band 850/900/1800/1900
Primary 2G networkCDMA 800/1900, GSM 850/900/1800/1900GSM 850/900/1800/1900
Primary 3G networkCDMA2000 1xEV-DO
TD-SCDMA 1900/2000
UMTS 800/850/900/1700/1800/1900/2100
UMTS 850/900/1900/2100
Primary 4G networkLTE Cat18
TD-LTE (Bands 34, 38, 39, 40, 41)
VoLTE

China, India version:
LTE (Bands 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 26, 28, 29)

America version:
LTE (Bands 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 29, 30, 46, 66, 71)

Europe:
LTE (Bands 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 29, 32, 66)
LTE Cat6 (1, 2, 3, 4, 5, 7, 12, 13, 20, 25, 26, 66, 71)
TD-LTE (38, 41)
Primary 5G networkNot supportedNot 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-AGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, 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
CallingOnePlus 7T (256GB)LG K51 (K500MM)
MessagingSMS (T9), MMS, E-mail, Push mailSMS (T9), MMS, E-mail, Push mail
SpeakerphoneSupportedSupported
Video callingSupportedSupported
Call controlVoice dialing, Voice recorder, Voice commandsVoice dialing, Voice recorder
CameraOnePlus 7T (256GB)LG K51 (K500MM)
Back camera (main camera)(triple camera)
48 megapixels
12MP telephotof/2.251mm2x-optical-zoomPDAF1.0µm
16MP ultrawidef/2.217mmAF
(triple camera)
13 megapixels
5MP ultrawidef/2.21.12μm1/5"115º
2MP depthf/2.41.75μm1/5"85º
Main camera resolution8000x6000 pixels4128x3096 pixels
Video recording (primary)4K UHD (3840x2160) 60 fpsFull HD (1920x1080) 30 fps
FlashDual-LED flashLED flash
Focal aperturef/1.6 (aperture)f/1.8 (aperture)
Focal length26mm lens26mm lens
Sensor size1/2" inches1/3" inches
Pixel size0.8µm pixel1.12µm pixel
AutofocusLDAF/PDAF: laser/phase detection autofocusPDAF: phase detection autofocus
Touch focusSupportedSupported
Image stabilizationOIS: Optical stabilizationEIS: Digital stabilization
ZoomDigital and optical 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
2ª cameraOnePlus 7T (256GB)LG K51 (K500MM)
Front camera (secondary)16 megapixels13 megapixels
Front camera resolution4608x3456 pixels4128x3096 pixels
Video recording (secondary)Full HD (1920x1080)Full HD (1920x1080)
Front flashNot supportedNot supported
Focal aperturef/2.0 (aperture)f/2.0 (aperture)
Focal length25mm lensfeature not registered
Sensor size1/3" inches1/3" inches
Pixel size1µm pixel1.12µm pixel
MultimediaOnePlus 7T (256GB)LG K51 (K500MM)
RadioNot supportedNot 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
ConnectivityOnePlus 7T (256GB)LG K51 (K500MM)
USBUSB 3.1 Type-C, USB OTG On-The-GoUSB 2.0 Type-C, USB OTG On-The-Go
TV outputNot supportedNot supported
Audio outputType-C reversible connector3.5mm jack
Bluetooth5.0 + A2DP/LE5.0 + A2DP/LE
WiFi802.11 a/b/g/n/ac (2.4Ghz, 5Ghz) + MIMO802.11 a/b/g/n/ac (2.4Ghz, 5Ghz) + MIMO
DLNASupportedNot supported
NFCSupportedNot supported
GPSA-GPS, GeoTagging, GLONASS, GALILEO, BeiDouA-GPS, GeoTagging, GLONASS
Infrared portNot supportedNot supported
Other functionsOnePlus 7T (256GB)LG K51 (K500MM)
Active noise cancellationSupportedSupported
Vibrating alertSupportedSupported
RingtonesPolyphonic and customizedPolyphonic and customized
Web browserHTML, XHTML, HTML5HTML, XHTML, HTML5
SensorsAccelerometer
Proximity sensor
Compass
Ambient Light sensor
Gyroscope
Face unlock
Fingerprint sensor (under display)
Accelerometer
Proximity sensor
Compass
Ambient Light sensor
Gyroscope
Fingerprint sensor (rear-mounted)
Other features- Colors: Frosted Silver, Glacier Blue
- Display DCI-P3 100%, 90Hz, HDR10+
- Warp Charge 30 battery
- WiFi direct, hotspot
- Colors: Titan gray
- Google Assistant
- DTS:X 3D sound surround
- HAC M3/T3
- WiFi direct, hotspot
Power supplyOnePlus 7T (256GB)LG K51 (K500MM)
BatteryLiPo: Li-Ion polymer (Non removable)LiPo: Li-Ion polymer (Non removable)
Battery capacity3800 mAh4000 mAh
Charger, watts30W (5V/6A) Fast battery charging10W (5V/2A) Standard charging
Talk time autonomyfeature not registered1260 minutes | 21 hours | 0.9 day
Standbyfeature not registered34560 minutes | 576 hours | 24 days
Radiation rateOnePlus 7T (256GB)LG K51 (K500MM)
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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