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LG K51S (K510HM) vs Asus Zenfone AR (ZS571KL 128GB)

Side by side comparison between LG K51S vs Asus Zenfone AR phones, differences, pros, cons with full specifications. What's the better?

,
LG K51S (K510HM)
6.55"
IPS

720x1600

32
MP

13mp

3GB
RAM

64bit Octa

4000
mAh

(Non removable)

vs
19PointsAsus Zenfone AR (ZS571KL 128GB)Compare LG K51S X
Asus Zenfone AR (ZS571KL 128GB)
5.7"
AMOLED

1440x2560

23
MP

8mp

6GB
RAM

64bit Quad

3300
mAh

(Non removable)

What's the better phone? Asus Zenfone AR (ZS571KL 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!

K51S (K510HM)10 Advantages LG K51S (K510HM)vsZenfone AR (ZS571KL 128GB)19 Advantages Asus Zenfone AR (ZS571KL 128GB)
+2.3Ghz 64bit Octa-Core34%
More powerful processor, you can open your applications faster
vs2.35Ghz 64bit Quad-Core
+8.26 millimeters (0.33 inches)8%
Thinner
vs8.9 millimeters (0.35 inches)
+6.55"15%
Larger screen
vs5.7"
+(quad camera) 32MP + 5MP + 2MP + 2MP78%
Higher resolution main camera
vs(back) 23MP
+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)
+(front) 13MP60%
Higher resolution secondary camera to take pictures and selfies
vs(front) 8MP
+Android 9.0 PieAdvantage
Android 9.0 Pie is newer and safer
vsAndroid 7.0 Nougat
+4000 mAh21%
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
vs3300 mAh
+5.0 + A2DP/LEAdvantage
Bluetooth 5.0 + A2DP/LE is newer and faster
vs4.2 + A2DP
+MIL-STD-810G military certifiedAdvantage
Protection against water allows you talk to your friends in the rain, for example
vsNot supported
3GB LPDDR3vs+6GB LPDDR4100%
More RAM memory. Typically more responsive and better for multitasking.
64GB (47GB available)vs+128GB (110GB available)134%
More internal storage for applications and files
eMMC 5.1vs+UFS 2.0Advantage
Fastest write and read storage.
194 grams (6.79 ounces)vs+170 grams (5.95 ounces)14%
Lighter
Plastic body, glass frontvs+Aluminum body, glass front, plastic backAdvantage
More resistant material
TFT IPS LCDvs+Super AMOLEDAdvantage
Super AMOLED display is brighter and more vivid
720x1600 pixelsvs+1440x2560 pixels2 times
Higher resolution screen
268 PPIvs+515 PPI92%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
LED flashvs+Dual-LED flashAdvantage
The Dual-LED flash helps in dark places or in low light
EIS: Digital stabilizationvs+OIS (4-axis): Optical stabilizationAdvantage
Image stabilization prevents blurry photos and helps in recording motion video
Full HD (1920x1080)vs+4K UHD (3840x2160)3 times
More image quality for recording videos with the primary camera
(4G+ LTE-A) 300 Mbpsvs+(4G+ LTE-A) 600 Mbps100%
Faster for surfing the internet and download files
Not supportedvs+GyroscopeAdvantage
Sensors help you use the device
Not supportedvs+BarometerAdvantage
Sensors help you use the device
Not supportedvs+Face unlockAdvantage
Sensors help you use the device
10Wvs+18W80%
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.
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
802.11 b/g/n (2.4Ghz)vs+802.11 a/b/g/n/ac (2.4Ghz, 5Ghz)Advantage
WiFi 802.11 a/b/g/n/ac (2.4Ghz, 5Ghz) is newer and faster
Not supportedvs+Gorilla Glass 4Advantage
Protection against scratches on the screen lets you carry your phone with your keys

24 Common items in both devices
Until 1TB microSD, microSDXC
16 million
Only digital zoom
PDAF: phase detection autofocus
HDR photo on both cameras
(front) Full HD (1920x1080)
4G+ LTE-A
+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 featuresLG K51S (K510HM)Asus Zenfone AR (ZS571KL 128GB)
ModelK51S (K510HM)Zenfone AR (ZS571KL 128GB)
Other model namesLG K51s LM-K510HM, LMK510HM (Single-Sim)Asus Zenfone AR ZS571KL (128GB + 6GB RAM) A002A, A002
Country or region available(Latin America)
(Latin America)
(Global, International)
(Global, International)
BrandLGAsus
Release dateApril, 2020May, 2017
Depth8.26 millimeters (0.33 inches)8.9 millimeters (0.35 inches)
Size (width x height)76.7 x 165.2 millimeters (3.02 x 6.5 in)77.4 x 158.7 millimeters (3.05 x 6.25 in)
Weight194 grams (6.79 ounces)170 grams (5.95 ounces)
Qwerty physical keyboardNot supportedNot supported
AntennaInternal antennaInternal antenna
Build, materialsPlastic body, glass frontAluminum body, glass front, plastic back
Protection against water and othersMIL-STD-810G military certified: salt, dust, humidity, rain, vibration, solar radiation, transport and thermal shock resistant.Not supported
System (OS)LG K51S (K510HM)Asus Zenfone AR (ZS571KL 128GB)
Operating systemAndroid 9.0 PieAndroid 7.0 Nougat
Firmware updatefeature not registeredfeature not registered
HardwareLG K51S (K510HM)Asus Zenfone AR (ZS571KL 128GB)
Chipset64bit - MediaTek MT6765 Helio P35 (12nm)64bit - Qualcomm Snapdragon 821 MSM8996 (14nm)
CPU processorOcta-Core, 2 processors:
2.3Ghz Quad-Core ARM Cortex-A53
1.8Ghz Quad-Core ARM Cortex-A53
Quad-Core, 2 processors:
2.35Ghz Dual-Core Kryo
1.6Ghz Dual-Core Kryo
GPU graphical controllerPowerVR GE8320 680MhzQualcomm Adreno 530 650Mhz
RAM memory3GB LPDDR36GB LPDDR4
Internal storage64GB (47GB available)
eMMC 5.1
128GB (110GB available)
UFS 2.0
External storageUntil 1TB microSD, microSDXC
(dedicated slot)
Until 1TB microSD, microSDXC
(dedicated slot)
DisplayLG K51S (K510HM)Asus Zenfone AR (ZS571KL 128GB)
Display typeTFT IPS LCDSuper AMOLED
Screen size6.55" inches5.7" inches
Screen-to-body ratio~81.7% (screen-to-body ratio)~72.9% (screen-to-body ratio)
Display resolution720x1600 pixels (20:9)1440x2560 pixels
TouchscreenCapacitive MultitouchCapacitive Multitouch 10-points
Pixel density (dot pitch)268 PPI515 PPI
Colors16 million16 million
Scratch-resistant glassNot supportedGorilla Glass 4
Display features60Hz, 400 nitsfeature not registered
Mobile networksLG K51S (K510HM)Asus Zenfone AR (ZS571KL 128GB)
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 Mbps600/75 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 850/900/1700/1900/2100Global version:
UMTS 800/850/900/1900/2100

America version:
UMTS 850/900/1700/1900/2100
Primary 4G networkLTE Cat6 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 28, 66)
TD-LTE (38)
LTE Cat12
VoLTE

Global version:
LTE (Bands 1, 2, 3, 5, 7, 8, 18, 19, 20, 26, 28)
TD-LTE (Bands 38, 40, 41)

America version:
LTE (Bands 1, 2, 3, 4, 5, 7, 12, 13, 20, 29)
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, 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 K51S (K510HM)Asus Zenfone AR (ZS571KL 128GB)
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, Voice commands
CameraLG K51S (K510HM)Asus Zenfone AR (ZS571KL 128GB)
Back camera (main camera)(quad camera)
32 megapixels
5MP ultrawidef/2.216mm1.12μm115º
2MP macrof/2.422mm1.75μm88.6º
2MP depthf/2.41.75μm
(triple camera)
23 megapixels
?MP depth
?MP motion tracking sensors
Main camera resolution6528x4896 pixels5536x4152 pixels
Video recording (primary)Full HD (1920x1080) 30 fps4K UHD (3840x2160) 30 fps
FlashLED flashDual-LED flash
Focal aperturef/1.8 (aperture)f/2.0 (aperture)
Focal length24mm lens27mm lens
Sensor sizefeature not registered1/2.6" inches
Pixel size0.8µm pixel1µm pixel
AutofocusPDAF: phase detection autofocusPDAF: phase detection autofocus
Touch focusSupportedSupported
Image stabilizationEIS: Digital stabilizationOIS (4-axis): Optical 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
2ª cameraLG K51S (K510HM)Asus Zenfone AR (ZS571KL 128GB)
Front camera (secondary)13 megapixels8 megapixels
Front camera resolution4128x3096 pixels3264x2448 pixels
Video recording (secondary)Full HD (1920x1080)Full HD (1920x1080)
Front flashNot supportedNot supported
Focal aperturef/2.0 (aperture)f/2.0 (aperture)
Focal lengthfeature not registeredfeature not registered
Sensor sizefeature not registered1/4" inches
Pixel sizefeature not registered1.12µm pixel
MultimediaLG K51S (K510HM)Asus Zenfone AR (ZS571KL 128GB)
RadioFMFM
TVNot supportedNot supported
Video formatsMP4, H.265, H.264, H.263, XviD, MKVMP4, H.264, H.263, XviD, MKV
Audio formatsMP3, WAV, WMA, eAAC+, FLACMP3, WAV, WMA, eAAC+, FLAC
ConnectivityLG K51S (K510HM)Asus Zenfone AR (ZS571KL 128GB)
USBUSB 2.0 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 + A2DP/LE4.2 + A2DP
WiFi802.11 b/g/n (2.4Ghz)802.11 a/b/g/n/ac (2.4Ghz, 5Ghz)
DLNANot supportedNot supported
NFCNot supportedNot supported
GPSA-GPS, GeoTaggingA-GPS, GeoTagging, GLONASS, BeiDou
Infrared portNot supportedNot supported
Other functionsLG K51S (K510HM)Asus Zenfone AR (ZS571KL 128GB)
Active noise cancellationSupportedSupported
Vibrating alertSupportedSupported
RingtonesPolyphonic and customizedPolyphonic and customized
Web browserHTML, XHTML, HTML5HTML, XHTML, HTML5
SensorsAccelerometer
Proximity sensor
Compass
Ambient Light sensor
Fingerprint sensor (rear-mounted)
Accelerometer
Proximity sensor
Compass
Ambient Light sensor
Gyroscope
Barometer
Hall effect
Face unlock
Fingerprint sensor (front-mounted)
Other features- Colors: Titanium, Blue, Pink/Red
- Silicone case included
- Google Assistant (dedicated side button)
- DTS:X 3D audio
- WiFi direct, hotspot
- Colors: Black
- 16:9 display
- ASUS ZenUI 3.0
- Tango and Daydream by Google
- NXP Smart Amp sound
- Hi-Res audio 192KHz
- Quick Charge 3.0
- WiFi direct, hotspot
Power supplyLG K51S (K510HM)Asus Zenfone AR (ZS571KL 128GB)
BatteryLiPo: Li-Ion polymer (Non removable)Li-Ion: Lithium-Ion (Non removable)
Battery capacity4000 mAh3300 mAh
Charger, watts10W (5V/2A) Standard charging18W (9V/2A) Fast battery charging
Talk time autonomy630 minutes | 10.5 hours | 0.4 dayfeature not registered
Standby22200 minutes | 370 hours | 15.4 daysfeature not registered
Radiation rateLG K51S (K510HM)Asus Zenfone AR (ZS571KL 128GB)
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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