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Samsung Galaxy A51 5G (SM-A516U) vs Asus Zenfone Max Pro M2 (ZB631KL 128GB)

Side by side comparison between Samsung Galaxy A51 5G vs Asus Zenfone Max Pro (M2) phones, differences, pros, cons with full specifications. What's the better?

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Compare Asus Zenfone Max Pro (M2) XSamsung Galaxy A51 5G (SM-A516U)19Points
Samsung Galaxy A51 5G (SM-A516U)
6.5"
AMOLED

1080x2400

48
MP

32mp

6GB
RAM

64bit Octa

4500
mAh

(Non removable)

vs
06PointsAsus Zenfone Max Pro M2 (ZB631KL 128GB)Compare Samsung Galaxy A51 5G X
Asus Zenfone Max Pro M2 (ZB631KL 128GB)
6.26"
IPS

1080x2280

12
MP

13mp

6GB
RAM

64bit Octa

5000
mAh

(Non removable)

What's the better phone? Samsung Galaxy A51 5G (SM-A516U)

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!

Galaxy A51 5G (SM-A516U)19 Advantages Samsung Galaxy A51 5G (SM-A516U)vsZenfone Max Pro M2 (ZB631KL 128GB)6 Advantages Asus Zenfone Max Pro M2 (ZB631KL 128GB)
+2.2Ghz 64bit Octa-Core5%
More powerful processor, you can open your applications faster
vs2.2Ghz 64bit Octa-Core
+UFS 2.1Advantage
Fastest write and read storage.
vseMCP
+Aluminum body, glass front, plastic backAdvantage
More resistant material
vsPlastic body, glass front
+Super AMOLEDAdvantage
Super AMOLED display is brighter and more vivid
vsTFT IPS LCD
+1080x2400 pixels5%
Higher resolution screen
vs1080x2280 pixels
+405 PPI1%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
vs403 PPI
+6.5"4%
Larger screen
vs6.26"
+(quad camera) 48MP + 12MP + 5MP + 5MP3 times
Higher resolution main camera
vs(dual camera) 12MP + 5MP
+HDR photo on both camerasAdvantage
The HDR technology produced photos with more detail in dark areas
vsHDR photo only main camera
+1/2" inches45%
The larger sensor camera lets you take photos with better depth.
vs1/2.9" inches
+(front) 32MP150%
Higher resolution secondary camera to take pictures and selfies
vs(front) 13MP
+(front) 4K UHD (3840x2160)3 times
More image quality for recording videos with the secondary camera
vs(front) Full HD (1920x1080)
+Android 10Advantage
Android 10 is newer and safer
vsAndroid 9.0 Pie
+5G SA/NSAAdvantage
The 5G SA/NSA network is newer and faster
vs4G+ LTE-A
+(5G SA/NSA) 2000 Mbps4 times
Faster for surfing the internet and download files
vs(4G+ LTE-A) 400 Mbps
+ANT+Advantage
Sensors help you use the device
vsNot supported
+15W50%
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
+802.11 a/b/g/n/ac (2.4Ghz, 5Ghz) + MIMOAdvantage
WiFi 802.11 a/b/g/n/ac (2.4Ghz, 5Ghz) + MIMO is newer and faster
vs802.11 b/g/n (2.4Ghz)
+Type-CAdvantage
Reversible connector, you can stick in a USB-C cable any which way; either side is up.
vsMicroUSB 2.0, USB OTG On-The-Go
187 grams (6.55 ounces)vs+175 grams (6.13 ounces)7%
Lighter
8.7 millimeters (0.34 inches)vs+8.5 millimeters (0.33 inches)2%
Thinner
LED flashvs+LED flash on both camerasAdvantage
The LED flash on both cameras helps in dark places or in low light
f/2.0 (aperture)vs+f/1.8 (aperture)11%
Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.
4500 mAhvs+5000 mAh11%
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

30 Common items in both devices
6GB LPDDR4X / 6GB LPDDR4
128GB (105GB available) / 128GB (110GB available)
Until 1TB microSD, microSDXC
16 million
Only digital zoom
PDAF: phase detection autofocus
EIS: Digital stabilization
+23 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 featuresSamsung Galaxy A51 5G (SM-A516U)Asus Zenfone Max Pro M2 (ZB631KL 128GB)
ModelGalaxy A51 5G (SM-A516U)Zenfone Max Pro M2 (ZB631KL 128GB)
Other model namesGalaxy A51 SM-A516UZKAXAA (Unlocked)Asus Zenfone Max Pro M2 ZB631KL (6GB RAM), X01BDA
Country or region availableUSA
USA
(Global, International)
(Global, International)
BrandSamsungAsus
Release dateApril, 2020December, 2018
Depth8.7 millimeters (0.34 inches)8.5 millimeters (0.33 inches)
Size (width x height)73.6 x 158.9 millimeters (2.9 x 6.26 in)75.5 x 157.9 millimeters (2.97 x 6.22 in)
Weight187 grams (6.55 ounces)175 grams (6.13 ounces)
Qwerty physical keyboardNot supportedNot supported
AntennaInternal antennaInternal antenna
Build, materialsAluminum body, glass front, plastic backPlastic body, glass front
Protection against water and othersNot supportedNot supported
System (OS)Samsung Galaxy A51 5G (SM-A516U)Asus Zenfone Max Pro M2 (ZB631KL 128GB)
Operating systemAndroid 10Android 8.1 Oreo
Firmware updatefeature not registeredAndroid 9.0 Pie
HardwareSamsung Galaxy A51 5G (SM-A516U)Asus Zenfone Max Pro M2 (ZB631KL 128GB)
Chipset64bit - Samsung Exynos 980 Octa (8nm)64bit - Qualcomm Snapdragon 660 SDM660 (14nm)
CPU processorOcta-Core, 2 processors:
2.2Ghz Dual-Core ARM Cortex-A77
1.8Ghz Hexa-Core ARM Cortex-A55
Octa-Core, 2 processors:
2.2Ghz Quad-Core Kryo 260 Gold
1.8Ghz Quad-Core Kryo 260 Silver
GPU graphical controllerARM Mali-G76 MP5Qualcomm Adreno 512 650Mhz
RAM memory6GB LPDDR4X6GB LPDDR4
Internal storage128GB (105GB available)
UFS 2.1
128GB (110GB available)
eMCP
External storageUntil 1TB microSD, microSDXC
(dedicated slot)
Until 1TB microSD, microSDXC
(dedicated slot)
DisplaySamsung Galaxy A51 5G (SM-A516U)Asus Zenfone Max Pro M2 (ZB631KL 128GB)
Display typeSuper AMOLEDTFT IPS LCD
Screen size6.5" inches6.26" inches
Screen-to-body ratio~87.2% (screen-to-body ratio)~82% (screen-to-body ratio)
Display resolution1080x2400 pixels (20:9)1080x2280 pixels
TouchscreenCapacitive MultitouchCapacitive Multitouch 10-points
Pixel density (dot pitch)405 PPI403 PPI
Colors16 million16 million
Scratch-resistant glassGorilla Glass 3Gorilla Glass 6
Display features60Hzfeature not registered
Mobile networksSamsung Galaxy A51 5G (SM-A516U)Asus Zenfone Max Pro M2 (ZB631KL 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/upload2000/200 Mbps400/75 Mbps
Network technology2G, 3G, 4G, 5G2G, 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 850/900/1700/1900/2100UMTS 850/900/2100
Primary 4G networkLTE Cat12/13 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 26, 28, 66)
TD-LTE (38, 40, 41)
VoLTE
LTE Cat13/5
VoLTE

Global version;
LTE (Bands 1, 3, 5, 7, 8, 20)
TD-LTE (Bands 40)

America version:
LTE (Bands 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 28)
TD-LTE (Bands 38, 41)
Primary 5G networkSA/NSA/Sub6 (41, 78)Not supported
Primary data networkGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, 5G SA/NSAGPRS, 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
CallingSamsung Galaxy A51 5G (SM-A516U)Asus Zenfone Max Pro M2 (ZB631KL 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, Voice commands
CameraSamsung Galaxy A51 5G (SM-A516U)Asus Zenfone Max Pro M2 (ZB631KL 128GB)
Back camera (main camera)(quad camera)
48 megapixels
12MP ultrawidef/2.213mm1.12µm
5MP telephotof/2.440mm
5MP depthf/2.21/5.0"1.12µm
(dual camera)
12 megapixels
5MP depthf/2.4
Main camera resolution8000x6000 pixels4000x3000 pixels
Video recording (primary)4K UHD (3840x2160) 30 fps4K UHD (3840x2160) 30 fps
FlashLED flashLED flash on both cameras
Focal aperturef/2.0 (aperture)f/1.8 (aperture)
Focal length26mm lens27mm lens
Sensor size1/2" inches1/2.9" inches
Pixel size0.8µm pixel1.25µm 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 sensorNot supportedNot supported
HDRHDR photo on both camerasHDR photo only main camera
2ª cameraSamsung Galaxy A51 5G (SM-A516U)Asus Zenfone Max Pro M2 (ZB631KL 128GB)
Front camera (secondary)32 megapixels13 megapixels
Front camera resolution6528x4896 pixels4128x3096 pixels
Video recording (secondary)4K UHD (3840x2160)Full HD (1920x1080)
Front flashNot supportedLED
Focal aperturef/2.2 (aperture)f/2.0 (aperture)
Focal length26mm lens26mm lens
Sensor size1/2.8" inches1/3.1" inches
Pixel size0.8µm pixel1.12µm pixel
MultimediaSamsung Galaxy A51 5G (SM-A516U)Asus Zenfone Max Pro M2 (ZB631KL 128GB)
RadioFM (RDS)FM
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
ConnectivitySamsung Galaxy A51 5G (SM-A516U)Asus Zenfone Max Pro M2 (ZB631KL 128GB)
USBUSB 2.0 Type-C, USB OTG On-The-GoMicroUSB 2.0, USB OTG On-The-Go
TV outputNot supportedNot supported
Audio output3.5mm jack3.5mm jack
Bluetooth5.0 + A2DP/LE5.0 + A2DP/LE
WiFi802.11 a/b/g/n/ac (2.4Ghz, 5Ghz) + MIMO802.11 b/g/n (2.4Ghz)
DLNANot supportedNot supported
NFCSupportedSupported
GPSA-GPS, GeoTagging, GLONASS, GALILEO, BeiDouA-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS
Infrared portNot supportedNot supported
Other functionsSamsung Galaxy A51 5G (SM-A516U)Asus Zenfone Max Pro M2 (ZB631KL 128GB)
Active noise cancellationSupportedSupported
Vibrating alertSupportedSupported
RingtonesPolyphonic and customizedPolyphonic and customized
Web browserHTML, XHTML, HTML5HTML, XHTML, HTML5
SensorsAccelerometer
Proximity sensor
Compass
Ambient Light sensor
Gyroscope
Hall effect
Face unlock
Fingerprint sensor (under display)
ANT+
Accelerometer
Proximity sensor
Compass
Ambient Light sensor
Gyroscope
Face unlock
Fingerprint sensor (rear-mounted)
Other features- Colors: Prism Cube Black, Prism Cube White, Prism Cube Pink
- One UI 2
- Always On Display
- WiFi direct, hotspot
- Colors: Blue, Titanium
- Display: 19:9, 450nits
- Touch glove display
- Sony IMX486 sensor back camera
- NXP sound amplifier
- WiFi direct, hotspot
Power supplySamsung Galaxy A51 5G (SM-A516U)Asus Zenfone Max Pro M2 (ZB631KL 128GB)
BatteryLiPo: Li-Ion polymer (Non removable)LiPo: Li-Ion polymer (Non removable)
Battery capacity4500 mAh5000 mAh
Charger, watts15W Fast battery charging10W (5V/2A) Standard charging
Talk time autonomyfeature not registered2700 minutes | 45 hours | 1.9 days
Standbyfeature not registered50000 minutes | 833.3 hours | 34.7 days
Radiation rateSamsung Galaxy A51 5G (SM-A516U)Asus Zenfone Max Pro M2 (ZB631KL 128GB)
SAR 1.6W/kg (USA, Mexico, etc.)1.18W/kg (head) | 1.2W/kg (body)feature not registered
SAR 2W/kg (Europe, UK, etc.)feature not registeredfeature not registered
X

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