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LG G5 (H840) vs Samsung Galaxy A51 (SM-A515F/DS)

Side by side comparison between LG G5 vs Samsung Galaxy A51 phones, differences, pros, cons with full specifications. What's the better?

,
LG G5 (H840)
5.3"
IPS

1440x2560

16
MP

8mp

3GB
RAM

64bit Octa

2800
mAh

(Removable)

vs
17PointsSamsung Galaxy A51 (SM-A515F/DS)Compare LG G5 X
Samsung Galaxy A51 (SM-A515F/DS)
6.5"
AMOLED

1080x2400

48
MP

32mp

4GB
RAM

64bit Octa

4000
mAh

(Non removable)

What's the better phone? Samsung Galaxy A51 (SM-A515F/DS)

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!

G5 (H840)10 Advantages LG G5 (H840)vsGalaxy A51 (SM-A515F/DS)17 Advantages Samsung Galaxy A51 (SM-A515F/DS)
+159 grams (5.57 ounces)8%
Lighter
vs172 grams (6.02 ounces)
+7.7 millimeters (0.3 inches)3%
Thinner
vs7.9 millimeters (0.31 inches)
+1440x2560 pixels42%
Higher resolution screen
vs1080x2400 pixels
+554 PPI37%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
vs405 PPI
+OIS (3-axis): Optical stabilizationAdvantage
Image stabilization prevents blurry photos and helps in recording motion video
vsEIS: Digital stabilization
+f/1.8 (aperture)11%
Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.
vsf/2.0 (aperture)
+BarometerAdvantage
Sensors help you use the device
vsNot supported
+Li-Ion: Lithium-Ion (Removable)Advantage
Removable battery can be replaced easily
vsLiPo: Li-Ion polymer (Non removable)
+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
1.8Ghz 64bit Octa-Corevs+2.3Ghz 64bit Octa-Core31%
More powerful processor, you can open your applications faster
3GB LPDDR3vs+4GB LPDDR4X33%
More RAM memory. Typically more responsive and better for multitasking.
32GB (22GB available)vs+128GB (107GB available)4 times
More internal storage for applications and files
TFT IPS LCDvs+Super AMOLEDAdvantage
Super AMOLED display is brighter and more vivid
5.3"vs+6.5"23%
Larger screen
(dual camera) 16MP + 8MPvs+(quad camera) 48MP + 12MP + 5MP + 5MP193%
Higher resolution main camera
HDR photo/video only main cameravs+HDR photo on both camerasAdvantage
The HDR technology produced photos with more detail in dark areas
1/2.6" inchesvs+1/2" inches30%
The larger sensor camera lets you take photos with better depth.
(front) 8MPvs+(front) 32MP3 times
Higher resolution secondary camera to take pictures and selfies
(front) Full HD (1920x1080)vs+(front) 4K UHD (3840x2160)3 times
More image quality for recording videos with the secondary camera
Android 7.0 Nougatvs+Android 10Advantage
Android 10 is newer and safer
(4G+ LTE-A) 300 Mbpsvs+(4G+ LTE-A) 600 Mbps100%
Faster for surfing the internet and download files
Not supportedvs+Face unlockAdvantage
Sensors help you use the device
Not supportedvs+ANT+Advantage
Sensors help you use the device
2800 mAhvs+4000 mAh43%
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
1 slot (Single-SIM)
(dedicated slot)
vs+2 slots (Dual-SIM)
(dedicated slot)Advantage
It's more advantageous to have more than one phone operator in the same device
4.2 + A2DPvs+5.0 + A2DP/LEAdvantage
Bluetooth 5.0 + A2DP/LE is newer and faster

26 Common items in both devices
Until 2TB microSD, microSDXC / Until 1TB microSD, microSDXC
16 million
LED flash
Only digital zoom
LDAF: laser detection autofocus / PDAF: phase detection autofocus
4K UHD (3840x2160)
4G+ LTE-A
+19 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 G5 (H840)Samsung Galaxy A51 (SM-A515F/DS)
ModelG5 (H840)Galaxy A51 (SM-A515F/DS)
Other model namesLG G5 SE, LG G5 Lite, LG-H840, LGH840Samsung Galaxy A51 SM-A515F/DS
Country or region available(Latin America)Brazil
(Latin America), Brazil
(Latin America)
(Latin America)
BrandLGSamsung
Release dateMarch, 2016December, 2019
Depth7.7 millimeters (0.3 inches)7.9 millimeters (0.31 inches)
Size (width x height)73.9 x 149.4 millimeters (2.91 x 5.88 in)73.6 x 158.5 millimeters (2.9 x 6.24 in)
Weight159 grams (5.57 ounces)172 grams (6.02 ounces)
Qwerty physical keyboardNot supportedNot supported
AntennaInternal antennaInternal antenna
Build, materialsfeature not registeredPlastic body, glass front
Protection against water and othersNot supportedNot supported
System (OS)LG G5 (H840)Samsung Galaxy A51 (SM-A515F/DS)
Operating systemAndroid 6.0.1 MarshmallowAndroid 10
Firmware updateAndroid 7.0 Nougatfeature not registered
HardwareLG G5 (H840)Samsung Galaxy A51 (SM-A515F/DS)
Chipset64bit - Qualcomm Snapdragon 652 MSM8976 (28nm)64bit - Samsung Exynos 9 Octa 9611 (10nm)
CPU processorOcta-Core, 2 processors:
1.8Ghz Quad-Core ARM Cortex-A72
1.4Ghz Quad-Core ARM Cortex-A53
Octa-Core, 2 processors:
2.3Ghz Quad-Core ARM Cortex-A73
1.7Ghz Quad-Core ARM Cortex-A53
GPU graphical controllerQualcomm Adreno 510 600MhzARM Mali-G72 MP3
RAM memory3GB LPDDR34GB LPDDR4X
Internal storage32GB (22GB available)128GB (107GB available)
eMMC 5.1
External storageUntil 2TB microSD, microSDXC
(dedicated slot)
Until 1TB microSD, microSDXC
(dedicated slot)
DisplayLG G5 (H840)Samsung Galaxy A51 (SM-A515F/DS)
Display typeTFT IPS LCDSuper AMOLED
Screen size5.3" inches6.5" inches
Screen-to-body ratio~70.1% (screen-to-body ratio)~87.4% (screen-to-body ratio)
Display resolution1440x2560 pixels1080x2400 pixels (20:9)
TouchscreenCapacitive MultitouchCapacitive Multitouch
Pixel density (dot pitch)554 PPI405 PPI
Colors16 million16 million
Scratch-resistant glassGorilla Glass 4Gorilla Glass 3
Display featuresfeature not registered60Hz
Mobile networksLG G5 (H840)Samsung Galaxy A51 (SM-A515F/DS)
Dual-SIMNot supportedDual-SIM Standby - Call active on one sim card
(dedicated slot)
SIM card1 slot (Single-SIM)
nano-SIM (4FF)
2 slots (Dual-SIM)
nano-SIM (4FF)
Maximum download/upload300/50 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 networkGSM 850/900/1800/1900GSM 850/900/1800/1900
Primary 3G networkUMTS 850/1700/1900/2100UMTS 850/900/1700/1900/2100
Primary 4G networkLTE Cat6 700/850/1700/1800/1900/2100/2600 (Bands 1,2,3,4,5,7,12,17)LTE Cat12/13 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 26, 28, 66)
VoLTE
Primary 5G networkNot supportedNot supported
Primary data networkGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE, LTE-AGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, 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 G5 (H840)Samsung Galaxy A51 (SM-A515F/DS)
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 G5 (H840)Samsung Galaxy A51 (SM-A515F/DS)
Back camera (main camera)(dual camera)
16 megapixels
8MPf/2.412mm1/3.2
(quad camera)
48 megapixels
12MP ultrawidef/2.213mm1.12µm
5MP telephotof/2.440mm
5MP depthf/2.21/5.0"1.12µm
Main camera resolution5312x2988 pixels8000x6000 pixels
Video recording (primary)4K UHD (3840x2160) 30 fps4K UHD (3840x2160) 30 fps
FlashLED flashLED flash
Focal aperturef/1.8 (aperture)f/2.0 (aperture)
Focal length29mm lens26mm lens
Sensor size1/2.6" inches1/2" inches
Pixel sizefeature not registered0.8µm pixel
AutofocusLDAF: laser detection autofocusPDAF: phase detection autofocus
Touch focusSupportedSupported
Image stabilizationOIS (3-axis): 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 only main cameraHDR photo on both cameras
2ª cameraLG G5 (H840)Samsung Galaxy A51 (SM-A515F/DS)
Front camera (secondary)8 megapixels32 megapixels
Front camera resolution3264x2448 pixels6528x4896 pixels
Video recording (secondary)Full HD (1920x1080)4K UHD (3840x2160)
Front flashNot supportedNot supported
Focal aperturef/2.0 (aperture)f/2.2 (aperture)
Focal lengthfeature not registered26mm lens
Sensor size1/4" inches1/2.8" inches
Pixel size1.12µm pixel0.8µm pixel
MultimediaLG G5 (H840)Samsung Galaxy A51 (SM-A515F/DS)
RadioFM (RDS)FM (RDS)
TVNot supportedNot supported
Video formatsMP4, H.264, H.263, DivX, XviD, WMVMP4, H.265, H.264, H.263, XviD, MKV
Audio formatsMP3, WAV, WMA, eAAC+, FLACMP3, WAV, WMA, eAAC+, FLAC
ConnectivityLG G5 (H840)Samsung Galaxy A51 (SM-A515F/DS)
USBUSB 2.0 Type-C reversible connectorUSB 2.0 Type-C, USB OTG On-The-Go
TV outputNot supportedNot supported
Audio output3.5mm jack3.5mm jack
Bluetooth4.2 + A2DP5.0 + 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, GLONASSA-GPS, GeoTagging, GLONASS, GALILEO, BeiDou
Infrared portSupportedNot supported
Other functionsLG G5 (H840)Samsung Galaxy A51 (SM-A515F/DS)
Active noise cancellationSupportedSupported
Vibrating alertSupportedSupported
RingtonesPolyphonic and customizedPolyphonic and customized
Web browserHTML, XHTML, HTML5HTML, XHTML, HTML5
SensorsAccelerometer
Proximity sensor
Compass
Ambient Light sensor
Gyroscope
Barometer
Fingerprint sensor
Accelerometer
Proximity sensor
Compass
Ambient Light sensor
Gyroscope
Hall effect
Face unlock
Fingerprint sensor (under display)
ANT+
Other features- Colors: Silver, Titan, Gold, Pink
- USB OTG On-The-Go
- LG Optimus UX 5.0 UI
- LG 360 VR supported
- LG CAM Plus supported
- 3D Arc Glass screen
- Modular battery
- Fast battery charging: 83% in 30min
- Quick Charge 3.0
- WiFi direct, hotspot
- Colors: Prism, Crush Black, White, Blue, Pink
- One UI 2
- Always On Display
- WiFi direct, hotspot
Power supplyLG G5 (H840)Samsung Galaxy A51 (SM-A515F/DS)
BatteryLi-Ion: Lithium-Ion (Removable)LiPo: Li-Ion polymer (Non removable)
Battery capacity2800 mAh4000 mAh
Charger, watts Standard charging15W Fast battery charging
Talk time autonomy1200 minutes | 20 hours | 0.8 dayfeature not registered
Standby22800 minutes | 380 hours | 15.8 daysfeature not registered
Radiation rateLG G5 (H840)Samsung Galaxy A51 (SM-A515F/DS)
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)
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