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LG G8 ThinQ (G820QM5) vs Samsung Galaxy A51 (SM-A515F/DSM 128GB)

Side by side comparison, pros, cons, differences between LG G8 ThinQ vs Samsung Galaxy A51 phones with full specifications. What's the best?

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LG G8 ThinQ (G820QM5)
6.1"
POLED

1440x3120

12
MP

8mp

6GB
RAM

64bit Octa

3500
mAh

(Non removable)

vs
09PointsSamsung Galaxy A51 (SM-A515F/DSM 128GB)Compare LG G8 ThinQ X
Samsung Galaxy A51 (SM-A515F/DSM 128GB)
6.5"
AMOLED

1080x2400

48
MP

32mp

6GB
RAM

64bit Octa

4000
mAh

(Non removable)

What's the better phone? LG G8 ThinQ (G820QM5)

The phonemore's choice is much more technical than personal, so don't just evaluate it. Our goal is to help, but what's important to us may not be important to you. You decide which is the best! Comment!

G8 ThinQ (G820QM5)16 Advantages LG G8 ThinQ (G820QM5)vsGalaxy A51 (SM-A515F/DSM 128GB)9 Advantages Samsung Galaxy A51 (SM-A515F/DSM 128GB)
+2.84Ghz 64bit Octa-Core23%
More powerful processor, you can open your applications faster
vs2.3Ghz 64bit Octa-Core
+UFS 2.1Advantage
Fastest write and read storage
vseMMC 5.1
+167 grams (5.85 ounces)3%
Lighter
vs172 grams (6.02 ounces)
+Aluminum frame, glass front/backAdvantage
More resistant material
vsPlastic body, glass front
+1440x3120 pixels73%
Higher resolution screen
vs1080x2400 pixels
+563 PPI39%
Crisper display of text, images and video because it has more pixels per inch (ppi)
vs405 PPI
+PDAF on back camera and autofocus front cameraAdvantage
You with less worry when taking pictures with auto focus
vsPDAF: phase detection autofocus
+OIS: Optical stabilizationAdvantage
Image stabilization prevents blurry photos and helps in recording motion video
vsEIS: Digital stabilization
+f/1.5 (aperture)33%
Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure
vsf/2.0 (aperture)
+(4G+ LTE-A) 1600 Mbps167%
Faster for surfing the internet and download files
vs(4G+ LTE-A) 600 Mbps
+BarometerAdvantage
Sensors help you use the device
vsNot supported
+FMAdvantage
The radio lets you listen to your songs and sports in general
vsNot supported
+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
More speed data transfer as mp3 and photos via USB
vsUSB 2.0 Type-C, USB OTG On-The-Go
+IP68 certified, MIL-STD-810G military certifiedAdvantage
Protection against water allows you talk to your friends in the rain, for example
vsNot supported
8.4 millimeters (0.33 inches)vs+7.9 millimeters (0.31 inches)6%
Thinner
P-OLEDvs+Super AMOLEDAdvantage
This device has a Super AMOLED screen, which are brighter and more vivid
6.1"vs+6.5"7%
Larger screen
(dual camera) 12MP + 16MPvs+(quad camera) 48MP + 12MP + 5MP + 5MP150%
Higher resolution main camera
1/2.6" inchesvs+1/2" inches30%
The larger sensor camera lets you take photos with better depth
(dual front camera) 8MP + 0.04MPvs+(front) 32MP3 times
Higher resolution secondary camera to take pictures and selfies
Not supportedvs+ANT+Advantage
Sensors help you use the device
3500 mAhvs+4000 mAh14%
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
1 slotvs+2 slots Dual-SIMAdvantage
It's more advantageous to have more than one phone operator in the same device

31 Common items in both devices
6GB LPDDR4X
128GB (104GB user free) / 128GB (107GB user free)
Until 1TB microSD, microSDXC
16 million
LED flash
Only digital zoom
HDR photo/video and HDR photo on front camera / HDR photo on both cameras
+24 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 featuresLG G8 ThinQ (G820QM5)Samsung Galaxy A51 (SM-A515F/DSM 128GB)
ModelG8 ThinQ (G820QM5)Galaxy A51 (SM-A515F/DSM 128GB)
Other model namesXfinity Mobile LG G8 ThinQ, LMG820QM5, LM-G820QM5Samsung Galaxy A51 SM-A515F/DSM
Country or region availableUSA
USA
KazakhstanRussia
Kazakhstan, Russia
BrandLGSamsung
Release dateApril, 2019December, 2019
Depth8.4 millimeters (0.33 inches)7.9 millimeters (0.31 inches)
Size (width x height)71.882 x 151.892 millimeters (2.83 x 5.98 in)73.6 x 158.5 millimeters (2.9 x 6.24 in)
Weight167 grams (5.85 ounces)172 grams (6.02 ounces)
Qwerty physical keyboardNot supportedNot supported
AntennaInternal antennaInternal antenna
Build, materialsAluminum frame, glass front/backPlastic body, glass front
Protection against water and othersIP68 certified: dust/water proof over 1.5 meter and 30min
MIL-STD-810G military certified: salt, dust, humidity, rain, vibration, solar radiation, transport and thermal shock resistant
Not supported
System (OS)LG G8 ThinQ (G820QM5)Samsung Galaxy A51 (SM-A515F/DSM 128GB)
Operating systemAndroid 9.0 PieAndroid 10
Firmware updateAndroid 10feature not registered
HardwareLG G8 ThinQ (G820QM5)Samsung Galaxy A51 (SM-A515F/DSM 128GB)
Chipset64bit - Qualcomm Snapdragon 855 SDM855 (7nm)64bit - Samsung Exynos 9 Octa 9611 (10nm)
CPU processorOcta-Core, 3 processors:
2.84Ghz Single-Core Kryo 485
2.42Ghz 3-Cores Kryo 485
1.78Ghz Quad-Core Kryo 485
Octa-Core, 2 processors:
2.3Ghz Quad-Core ARM Cortex-A73
1.7Ghz Quad-Core ARM Cortex-A53
GPU graphical controllerQualcomm Adreno 640ARM Mali-G72 MP3
RAM memory6GB LPDDR4X6GB LPDDR4X
Internal storage128GB (104GB user free)
UFS 2.1
128GB (107GB user free)
eMMC 5.1
External storageUntil 1TB microSD, microSDXC
(dedicated slot)
Until 1TB microSD, microSDXC
(dedicated slot)
DisplayLG G8 ThinQ (G820QM5)Samsung Galaxy A51 (SM-A515F/DSM 128GB)
Display typeP-OLEDSuper AMOLED
Screen size6.1" inches6.5" inches
Screen-to-body ratio~83.7% (screen-to-body ratio)~87.4% (screen-to-body ratio)
TouchscreenCapacitive MultitouchCapacitive Multitouch
Display resolution1440x3120 pixels1080x2400 pixels
Pixel density (dot pitch)563 PPI405 PPI
Colors16 million16 million
Scratch-resistant glassGorilla Glass 5Gorilla Glass 3
Mobile networksLG G8 ThinQ (G820QM5)Samsung Galaxy A51 (SM-A515F/DSM 128GB)
Dual-SIMNot supportedDual SIM Standby - Call active on one sim card
(dedicated slot)
SIM card1 slot
nano-SIM (4FF)
2 slots Dual-SIM
nano-SIM (4FF)
Maximum download/upload1600/150 Mbps600/150 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
UMTS 850/900/1900/2100
UMTS 850/900/1700/1900/2100
Primary 4G networkLTE Cat19 (Bands 2, 3, 4, 5, 7, 13, 20, 28, 66)
TD-LTE (Bands 46, 48)
LTE Cat12/13 (Bands 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 26, 28, 66)
TD-LTE (Bands 38, 40, 41)
VoLTE
Primary 5G networkNot supportedNot supported
Primary data networkGPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-AGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A
Secondary 2G networkNot supportedGSM 850/900/1800/1900
Secondary 3G networkNot supportedNot supported
Secondary 4G networkNot supportedNot supported
Secondary data networkNot supportedGPRS, EDGE
CallingLG G8 ThinQ (G820QM5)Samsung Galaxy A51 (SM-A515F/DSM 128GB)
MessagingSMS (T9), MMS, E-mail, Push mailSMS (T9), MMS, E-mail, Push mail
SpeakerphoneSupportedSupported
Video callingSupportedSupported
Call controlVoice dialing, Voice recorderVoice dialing, Voice recorder
CameraLG G8 ThinQ (G820QM5)Samsung Galaxy A51 (SM-A515F/DSM 128GB)
Back camera (main camera)(dual camera)
12 megapixels
16MP ultrawide (f/1.9 1/3.1" 16mm 1.0µm FF)
(quad camera)
48 megapixels
12MP ultrawide (f/2.2 13mm 1.12µm)
5MP telephoto (f/2.4 40mm)
5MP depth sensor (f/2.2 1/5.0" 1.12µm)
Main camera resolution4000x3000 pixels8000x6000 pixels
Video recording (primary)4K UHD (3840x2160) 60 fps4K UHD (3840x2160) 30 fps
FlashLED flashLED flash
Focal aperturef/1.5 (aperture)f/2.0 (aperture)
Focal length27mm lens26mm lens
Sensor size1/2.6" inches1/2" inches
Pixel size1.4µm pixel0.8µm pixel
AutofocusPDAF on back camera and autofocus front cameraPDAF: phase detection autofocus
Touch focusSupportedSupported
Image stabilizationOIS: Optical stabilizationEIS: Digital stabilization
ZoomOnly digital zoomOnly digital zoom
Face/smile detectionFace detection, Smile detectionFace detection, Smile detection
BSI sensorNot supportedNot supported
HDRHDR photo/video and HDR photo on front cameraHDR photo on both cameras
2ª cameraLG G8 ThinQ (G820QM5)Samsung Galaxy A51 (SM-A515F/DSM 128GB)
Front camera (secondary)(dual front camera)
8 megapixels
0.04MP TOF (f/1.4)
32 megapixels
Front camera resolution3264x2448 pixels6528x4896 pixels
Video recording (secondary)Full HD (1920x1080)Full HD (1920x1080)
Front flashNot supportedNot supported
Focal aperturef/1.7 (aperture)f/2.2 (aperture)
Focal length26mm lens26mm lens
Sensor size1/3.6" inches1/2.8" inches
Pixel size1.22µm pixel0.8µm pixel
MultimediaLG G8 ThinQ (G820QM5)Samsung Galaxy A51 (SM-A515F/DSM 128GB)
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
ConnectivityLG G8 ThinQ (G820QM5)Samsung Galaxy A51 (SM-A515F/DSM 128GB)
USBUSB 3.1 Type-C, USB OTG On-The-GoUSB 2.0 Type-C, USB OTG On-The-Go
TV outputNot supportedNot supported
Audio output3.5mm jack3.5mm jack
Bluetooth5.0 version A2DP/LE5.0 version A2DP/LE
WiFi802.11 a/b/g/n/ac + MIMO (2.4Ghz, 5Ghz)802.11 a/b/g/n/ac + MIMO (2.4Ghz, 5Ghz)
DLNASupportedNot supported
NFCSupportedNot supported
GPSA-GPS, GeoTagging, GLONASS, GALILEO, BeiDouA-GPS, GeoTagging, GLONASS, GALILEO, BeiDou
Infrared portNot supportedNot supported
Other functionsLG G8 ThinQ (G820QM5)Samsung Galaxy A51 (SM-A515F/DSM 128GB)
Active noise cancellationSupportedSupported
Vibrating alertSupportedSupported
RingtonesPolyphonic and customizedPolyphonic and customized
Web browserHTML, XHTML, HTML5HTML, XHTML, HTML5
Java / Flash playerNot supportedNot supported
SensorsAccelerometer
Proximity
Compass
Ambient Light
Gyroscope
Barometer
Gesture
Hall effect
Face unlock
Fingerprint (rear-mounted)
Accelerometer
Proximity
Compass
Ambient Light
Gyroscope
Hall effect
Face unlock
Fingerprint (under display)
ANT+
Other features- Colors: Aurora Black
- LG UX 8.0
- Always-on display
- DCI-P3 100%, Dolby Vision and HDR10 display
- DTS: X surround sound
- 32-bit/192kHz audio
- Quick Charge 3.0
- USB Power Delivery 2.0
- WiFi direct, hotspot
- Colors: Prism, Crush Black, White, Blue, Pink
- One UI 2
- Always On Display
- WiFi direct, hotspot
Power supplyLG G8 ThinQ (G820QM5)Samsung Galaxy A51 (SM-A515F/DSM 128GB)
BatteryLiPo - Li-Ion polymer (Non removable)
Fast battery charging
Qi wireless charging
LiPo - Li-Ion polymer (Non removable)
Fast battery charging
Battery capacity3500 mAh4000 mAh
Battery model / charger (watts)21W15W
Talk time autonomy1320 minutes | 22 hours | 0.9 dayfeature not registered
Standby24720 minutes | 412 hours | 17.2 daysfeature not registered
Radiation rateLG G8 ThinQ (G820QM5)Samsung Galaxy A51 (SM-A515F/DSM 128GB)
SAR 1.6W/kg (USA, Mexico, etc.)feature not registeredfeature not registered
SAR 2W/kg (Europe, UK, etc.)feature not registered0.369W/kg (head) | 1.59W/kg (body)