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Samsung Galaxy A21 (SM-A215U1) vs Asus Zenfone Max Plus M2 (ZB634KL)

Side by side comparison between Samsung Galaxy A21 vs Asus Zenfone Max Plus (M2) phones, differences, pros, cons and full specifications. What's the better?

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Compare Asus Zenfone Max Plus (M2) X Samsung Galaxy A21 (SM-A215U1) 10Points
6.5"
PLS

720x1600

16
MP

13mp

3GB
RAM

Octa-core

4000
mAh

(Non removable)

vs
09Points Asus Zenfone Max Plus M2 (ZB634KL) Compare Samsung Galaxy A21 X
6.26"
IPS

1080x2246

12
MP

8mp

3GB
RAM

Octa-core

4000
mAh

(Non removable)

What's the better phone? Samsung Galaxy A21 (SM-A215U1)

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 A21 (SM-A215U1)} 10 Advantages Samsung Galaxy A21 (SM-A215U1) vs Zenfone Max Plus M2 (ZB634KL)} 9 Advantages Asus Zenfone Max Plus M2 (ZB634KL)
+2.3GHz 64bit Octa-core (12nm)19%
More powerful processor, you can open your applications faster
vs1.8GHz 64bit Octa-core
+8.1 millimeters (0.32 inches)5%
Thinner
vs8.49 millimeters (0.33 inches)
+6.5"4%
Larger screen
vs6.26"
+(quad camera) 16MP + 8MP + 2MP + 2MP64%
Higher resolution main camera
vs(dual camera) 12MP + 5MP
+(front) 13MP60%
Higher resolution secondary camera to take pictures and selfies
vs(front) 8MP
+Android 10Advantage
Android 10 is newer and safer
vsAndroid 9.0 Pie
+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
+5.0 + A2DP/LEAdvantage
Bluetooth 5.0 + A2DP/LE is newer and faster
vs4.2 + A2DP
+NFCAdvantage
NFC allows you to make payments by approach quickly and securely
vsNot supported
+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
193 grams (6.76 ounces)vs+180 grams (6.3 ounces)7%
Lighter
Plastic body, glass frontvs+Aluminum body, glass frontAdvantage
More resistant material
TFT PLSvs+TFT IPS LCDAdvantage
TFT IPS LCD display is brighter and more vivid
720x1600 pixelsvs+1080x2246 pixels111%
Higher resolution screen
270 PPIvs+398 PPI47%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
LED flashvs+LED flash on both camerasAdvantage
The LED flash on both cameras helps in dark places or in low light
1/3.06" inchesvs+1/2.9" inches6%
The larger sensor camera lets you take photos with better depth.
(4G LTE) 150 Mbpsvs+(4G LTE-A) 300 Mbps100%
Faster for surfing the internet and download files
1 slot (Single-SIM)
(dedicated slot)
vs+2 slots (Dual-SIM)
(dedicated slot)Advantage
You can have more mobile carriers/operators on the same device.

31 Common items in both devices
3GB LPDDR3
32GB (20GB available) / 32GB (21GB available)
eMMC 5.1
Until 512GB microSD, microSDXC / Until 1TB microSD, microSDXC
60Hz
16 million
Only digital zoom
+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 differences Clear highlight

📱 Model features

Galaxy A21 (SM-A215U1)Asus Zenfone Max Plus M2 (ZB634KL)
 
ModelGalaxy A21 (SM-A215U1)Zenfone Max Plus M2 (ZB634KL)
Other model namesGalaxy A21 SM-A215UZKAXAA (USA Unlocked)Zenfone Max Plus (M2) ZB634KL-4J005BR (32GB+3GB RAM)
Country or region availableUSA
USA
(Global, International)Brazil
(Global, International), Brazil
BrandSamsungAsus
Release date6/26/20203/1/2019
Depth8.1 millimeters (0.32 inches)8.49 millimeters (0.33 inches)
Size (width x height)76.7 x 167.8 millimeters (3.02 x 6.61 in)76.2 x 159.2 millimeters (3 x 6.27 in)
Weight193 grams (6.76 ounces)180 grams (6.3 ounces)
Build, materialsPlastic body, glass frontAluminum body, glass front
Protection against water and othersNot supportedNot supported

📲 Display

Galaxy A21 (SM-A215U1)Asus Zenfone Max Plus M2 (ZB634KL)
Display typeTFT PLSTFT IPS LCD
Screen size6.5" inches6.26" inches
Screen-to-body ratio~79.3% (screen-to-body ratio)~81.4% (screen-to-body ratio)
Display resolution720x1600 pixels (20:9)1080x2246 pixels (18.7:9)
TouchscreenCapacitive MultitouchCapacitive Multitouch
Pixel density (dot pitch)270 PPI398 PPI
Colors16 million16 million
Scratch-resistant glassNot supportedNot supported
Refresh rate60Hz60Hz
Display featuresNot supported2.5D glass

🤖 Operating System

Galaxy A21 (SM-A215U1)Asus Zenfone Max Plus M2 (ZB634KL)
System versionAndroid 10Android 8.0 Oreo
Firmware updatefeature not registeredAndroid 9.0 Pie
User Interfacefeature not registeredfeature not registered

⚙️ Processor

Galaxy A21 (SM-A215U1)Asus Zenfone Max Plus M2 (ZB634KL)
Chipset64bit: MediaTek Helio P35 (MT6765) (12nm)64bit: Qualcomm Snapdragon SiP 1 (14nm)
CPUOcta-core, 2 processors:
4x 2.3GHz ARM Cortex-A53 (Quad-core)
4x 1.8GHz ARM Cortex-A53 (Quad-core)
Octa-core, 1 processor:
8x 1.8GHz ARM Cortex-A53 (Octa-core)
GPU graphical controllerPowerVR GE8320 MP2 (680MHz)Qualcomm Adreno 506
Performance (benchmark)feature not registeredfeature not registered

💽 Memory and storage

Galaxy A21 (SM-A215U1)Asus Zenfone Max Plus M2 (ZB634KL)
RAM memory3GB LPDDR33GB LPDDR3
Internal storage32GB (20GB available)
eMMC 5.1
32GB (21GB available)
eMMC 5.1
External storageUntil 512GB microSD, microSDXC
(dedicated slot)
Until 1TB microSD, microSDXC
(dedicated slot)

📶 Mobile networks

Galaxy A21 (SM-A215U1)Asus Zenfone Max Plus M2 (ZB634KL)
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 / Upload150/50 Mbps300/150 Mbps
Network technology2G, 3G, 4G2G, 3G, 4G
Frequency, bands Expand band details Collapse 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 850/900/1700/1900/2100
UMTS 850/900/1700/1900/2100
Primary 4G networkLTE Cat4 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 25, 26, 28, 66, 71)
TD-LTE (38, 39, 40, 41)
VoLTE
LTE Cat7/13 (1, 2, 3, 4, 5, 7, 28)
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, LTEGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE, LTE-A
Secondary 2G networkNot supportedGSM 850/900/1800/1900
Secondary 3G networkNot supportedUMTS 850/900/1700/1900/2100
Secondary 4G networkNot supportedLTE Cat7/13 (1, 2, 3, 4, 5, 7, 28)
Secondary data networkNot supportedGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE, LTE-A

📷 Camera

Galaxy A21 (SM-A215U1)Asus Zenfone Max Plus M2 (ZB634KL)
Back camera (main camera)(quad camera)
16 megapixels
8MP ultrawide f/2.21/4.0"1.12µm
2MP macro f/2.4
2MP depth f/2.4
(dual camera)
12 megapixels
5MP depth f/2.41.12µm
Main camera resolution4608x3456 pixels4000x3000 pixels
Video recording (primary)Full HD (1920x1080) 30 fpsFull HD (1920x1080) 30 fps
FlashLED flashLED flash on both cameras
Focal aperturef/1.8 (aperture)f/1.8 (aperture)
Focal lengthfeature not registeredfeature not registered
Sensor size1/3.06" inches1/2.9" inches
Pixel size1µm 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 supportedSupported
HDRHDR photo on both camerasHDR photo on both cameras
Camera extrasfeature not registeredSony IMX486 sensor

📸 Front camera

Galaxy A21 (SM-A215U1)Asus Zenfone Max Plus M2 (ZB634KL)
Front camera (secondary)13 megapixels8 megapixels
Front camera resolution4128x3096 pixels3264x2448 pixels
Video recording (secondary)Full HD (1920x1080)Full HD (1920x1080)
Front flashNot supportedLED
Focal aperturef/2.0 (aperture)feature not registered
Focal lengthfeature not registeredfeature not registered
Sensor sizefeature not registeredfeature not registered
Pixel size1.12µm pixelfeature not registered

🔉 Sound and multimedia

Galaxy A21 (SM-A215U1)Asus Zenfone Max Plus M2 (ZB634KL)
LoudspeakerSupportedMono sound (not stereo)
NXP 9874
Active noise cancellation2 microphones or more2 microphones or more
RadioFMFM
TVNot supportedNot supported
Video formatsMP4, H.265, H.264, H.263, XviD, MKVMP4, H.265, H.264, H.263, XviD
Audio formatsMP3, WAV, WMA, eAAC+, FLACMP3, WAV, WMA, eAAC+, FLAC

🔌 Connectivity

Galaxy A21 (SM-A215U1)Asus Zenfone Max Plus M2 (ZB634KL)
USBUSB 2.0 Type-C reversible connectorMicroUSB 2.0, USB OTG On-The-Go
Audio output3.5mm jack3.5mm jack
TV outputNot supportedNot supported
Bluetooth5.0 + A2DP/LE4.2 + A2DP
WiFi802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO
WiFi Direct, hotspot
802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO
WiFi Direct, hotspot
DLNANot supportedNot supported
GPSA-GPS, GeoTagging, GLONASSA-GPS, GeoTagging, GLONASS
NFCSupportedNot supported
Infrared portNot supportedNot supported

🧭 Sensors

Galaxy A21 (SM-A215U1)Asus Zenfone Max Plus M2 (ZB634KL)
SensorsAccelerometer
Ambient light sensor
Compass
Face unlock
Fingerprint sensor (rear-mounted)
Gyroscope
Proximity sensor
Accelerometer
Ambient light sensor
Compass
Face unlock
Fingerprint sensor (rear-mounted)
Gyroscope
Proximity sensor
Vibrating alertSupportedSupported

🔋 Battery

Galaxy A21 (SM-A215U1)Asus Zenfone Max Plus M2 (ZB634KL)
Battery typeLiPo: li-ion polymer (Non removable)LiPo: li-ion polymer (Non removable)
Battery capacity4000 mAh4000 mAh
Charger, watts15W Wired fast charging10W (5V/2A) Wired charging
Inductive / wireless chargingNot supportedNot supported
Talk time autonomyfeature not registered44 hours (1.8 days)
Standbyfeature not registered840 hours (35 days)

➕ Other features

Galaxy A21 (SM-A215U1)Asus Zenfone Max Plus M2 (ZB634KL)
Call controlVoice dialing, Voice recorder, Voice commandsVoice dialing, Voice recorder
MessagingSMS (T9), MMS, E-mail, Push mailSMS (T9), MMS, E-mail, Push mail
Hands-free callingSupportedSupported
Video callingSupportedSupported
RingtonesPolyphonic and customizedPolyphonic and customized
Web browserHTML, XHTML, HTML5HTML, XHTML, HTML5
AntennaInternal antennaInternal antenna
Qwerty physical keyboardNot supportedNot supported
Miscellaneous• Colors: Black
• One UI 2.0
• Colors: Red, Silver, Blue, Black

☢️ Radiation rate

Galaxy A21 (SM-A215U1)Asus Zenfone Max Plus M2 (ZB634KL)
SAR 1.6W/kg (USA, Mexico, etc.)0.6W/kg (head), 1.27W/kg (body)feature not registered
SAR 2W/kg (Europe, UK, etc.)feature not registeredfeature not registered
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