Asus Zenfone Max Pro M2 (ZB631KL 64GB/4GB) vs Samsung Galaxy S21 FE (SM-G990E/DS 128GB/8GB)

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Side by side comparison between Asus Zenfone Max Pro (M2) vs Samsung Galaxy S21 FE phones, differences, pros, cons and full specifications. What's the better?

1/19/2022 6:21 PM, updated: 11/21/2023 5:15 AM

Compare Samsung Galaxy S21 FE X Asus Zenfone Max Pro M2 (ZB631KL 64GB/4GB) 06Points

Specifications Compare Models Pictures

6.26"
IPS

1080x2280

12
MP

13mp

4GB
RAM

Octa-core

5000
mAh

(Non removable)

30Points Samsung Galaxy S21 FE (SM-G990E/DS 128GB/8GB) Compare Asus Zenfone Max Pro (M2) X

Specifications Compare Models Pictures

6.4"
AMOLED

1080x2400

12.2
MP

32mp

8GB
RAM

Octa-core

4500
mAh

(Non removable)

What's the better phone? Samsung Galaxy S21 FE (SM-G990E/DS 128GB/8GB)

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!

6 Advantages Asus Zenfone Max Pro M2 (ZB631KL 64GB/4GB)	vs	30 Advantages Samsung Galaxy S21 FE (SM-G990E/DS 128GB/8GB)
+Until 1TB microSD, microSDXCAdvantage More external storage for files using memory cards	vs	Not supported
+175 grams (6.13 ounces)1% Lighter	vs	177 grams (6.2 ounces)
+LED flash on both camerasAdvantage The LED flash on both cameras helps in dark places or in low light	vs	LED flash
+5000 mAh11% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use	vs	4500 mAh
+3.5mm jackAdvantage Headsets with 3.5mm Jack size are more common and easy to find in stores	vs	Type-C reversible connector
+FMAdvantage The radio lets you listen to your songs and sports in general	vs	Not supported
2.2GHz 64bit Octa-core (14nm)	vs	+2.9GHz 64bit Octa-core (5nm)19% More powerful processor, you can open your applications faster
4GB LPDDR4	vs	+8GB LPDDR5100% More RAM memory. Typically more responsive and better for multitasking.
64GB (51GB available)	vs	+128GB (97GB available)90% More internal storage for applications and files
eMMC 5.1	vs	+UFS 3.1Advantage Fastest write and read storage.
8.5 millimeters (0.33 inches)	vs	+7.9 millimeters (0.31 inches)8% Thinner
Plastic body, glass front	vs	+Aluminum body, glass front, plastic backAdvantage More resistant material
TFT IPS LCD	vs	+Dynamic AMOLEDAdvantage Dynamic AMOLED display is brighter and more vivid
Not supported	vs	+HDR10+Advantage The HDR10+ display provides vibrant colors and more details
60Hz	vs	+120Hz100% The display reproduces more frames per second because the frequency (Hertz) is higher, improves fluidity and tires your eyes less.
1080x2280 pixels	vs	+1080x2400 pixels5% Higher resolution screen
403 PPI	vs	+411 PPI2% Crisper display of text, images and videos because it has more pixels per inch (ppi)
6.26"	vs	+6.4"2% Larger screen
(dual camera) 12MP + 5MP	vs	+(triple camera) 12.2MP + 12MP + 8MP89% Higher resolution main camera
Only digital zoom	vs	+Digital and optical zoomAdvantage The zoom allows for better focus and approach to take pictures
EIS: Digital stabilization	vs	+OIS: Optical stabilizationAdvantage Image stabilization prevents blurry photos and helps in recording motion video
HDR photo only main camera	vs	+HDR photo/video on both camerasAdvantage The HDR technology produced photos with more detail in dark areas
1/2.9" inches	vs	+1/1.76" inches65% The larger sensor camera lets you take photos with better depth.
(front) 13MP	vs	+(front) 32MP150% 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 9.0 Pie	vs	+Android 14Advantage Android 14 is newer and safer
4G LTE-A	vs	+5G SA/NSAAdvantage The 5G SA/NSA network is newer and faster
(4G LTE-A) 400 Mbps	vs	+(5G SA/NSA) 2000 Mbps4 times Faster for surfing the internet and download files
Not supported	vs	+BarometerAdvantage Sensors help you use the device
10W	vs	+25W150% 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.
Not supported	vs	+Qi wireless chargingAdvantage Wireless charging is another way to charge the battery.
802.11 b/g/n [wifi4]	vs	+802.11 a/b/g/n/ac/ax [wifi6]Advantage WiFi 802.11 a/b/g/n/ac/ax [wifi6] is newer and faster
Not supported	vs	+DLNAAdvantage With DLNA technology you can access and play media files on TV, tablet or DLNA compatible device.
MicroUSB 2.0, USB OTG On-The-Go	vs	+USB 3.2 Type-C, USB OTG On-The-GoAdvantage Newer and faster USB version for transferring photos, mp3 or data.
MicroUSB 2.0, USB OTG On-The-Go	vs	+Type-CAdvantage Reversible connector, you can stick in a USB-C cable any which way; either side is up.
Not supported	vs	+IP68 certifiedAdvantage Protection against water allows you talk to your friends in the rain, for example

20 Common items in both devices

16 million

PDAF: phase detection autofocus

f/1.8 (aperture)

4K UHD (3840x2160)

Capacitive

Multitouch

Accelerometer

+13 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

📱 Model features
	Asus Zenfone Max Pro M2 (ZB631KL 64GB/4GB)	Galaxy S21 FE (SM-G990E/DS 128GB/8GB)
Change model		Choose the model
Model	Zenfone Max Pro M2 (ZB631KL 64GB/4GB)	Galaxy S21 FE (SM-G990E/DS 128GB/8GB)
Other model names	Asus Zenfone Max Pro M2 ZB631KL (4GB RAM), X01BDA	Galaxy S21 FE 5G SM-G990B/Dual-SIM (Exynos)
Country or region available	(Global, International)	Philippines, India, Malaysia, Thailand
Brand	Asus	Samsung
Release date	12/1/2018	1/7/2022, Announced: 1/4/2022
Depth	8.5 millimeters (0.33 inches)	7.9 millimeters (0.31 inches)
Size (width x height)	75.5 x 157.9 millimeters (2.97 x 6.22 in)	74.5 x 155.7 millimeters (2.93 x 6.13 in)
Weight	175 grams (6.13 ounces)	177 grams (6.2 ounces)
Build, materials	Plastic body, glass front	Aluminum body, glass front, plastic back
Protection against water and others	Not supported	IP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistant
📲 Display
	Asus Zenfone Max Pro M2 (ZB631KL 64GB/4GB)	Galaxy S21 FE (SM-G990E/DS 128GB/8GB)
Display type	TFT IPS LCD	Dynamic AMOLED
Screen size	6.26" inches	6.4" inches
Screen-to-body ratio	~82% (screen-to-body ratio)	~85.3% (screen-to-body ratio)
Display resolution	1080x2280 pixels (19:9)	1080x2400 pixels (20:9)
Touchscreen	Capacitive Multitouch 10-points	Capacitive Multitouch 10-points
Pixel density (dot pitch)	403 PPI	411 PPI
Colors	16 million	16 million
Scratch-resistant glass	Gorilla Glass 6	Gorilla Glass Victus
Refresh rate	60Hz	120Hz
Display features	450nits[typ]	1300nits[peak] HDR10+ Always-On Display
🤖 Operating System
	Asus Zenfone Max Pro M2 (ZB631KL 64GB/4GB)	Galaxy S21 FE (SM-G990E/DS 128GB/8GB)
System version	Android 8.1 Oreo	Android 12
Firmware update	Android 9.0 Pie	Android 14
User Interface	ZenUI	One UI 4.1 / 5.1 / 6.0
⚙️ Processor
	Asus Zenfone Max Pro M2 (ZB631KL 64GB/4GB)	Galaxy S21 FE (SM-G990E/DS 128GB/8GB)
Chipset	64bit: Qualcomm Snapdragon 660 (SDM660) (14nm)	64bit: Samsung Exynos 2100 (5nm)
CPU	Octa-core, 2 processors: 4x 2.2GHz Kryo 260 Gold (Quad-core) 4x 1.8GHz Kryo 260 Silver (Quad-core)	Octa-core, 3 processors: 1x 2.9GHz ARM Cortex-X1 (Single-core) 3x 2.8GHz ARM Cortex-A78 (Triple-core) 4x 2.2GHz ARM Cortex-A55 (Quad-core)
GPU graphical controller	Qualcomm Adreno 512 (650MHz)	ARM Mali-G78 MP14 (854MHz)
Performance (benchmark)	AnTuTu: 124039 (v7) Geekbench: 5169 (v4.4) GFXBench: 7.6fps (ES 3.1 onscreen)	feature not registered
💽 Memory and storage
	Asus Zenfone Max Pro M2 (ZB631KL 64GB/4GB)	Galaxy S21 FE (SM-G990E/DS 128GB/8GB)
RAM memory	4GB LPDDR4	8GB LPDDR5
Internal storage	64GB (51GB available) eMMC 5.1	128GB (97GB available) UFS 3.1
External storage	Until 1TB microSD, microSDXC (dedicated slot)	Not supported
📶 Mobile networks
	Asus Zenfone Max Pro M2 (ZB631KL 64GB/4GB)	Galaxy S21 FE (SM-G990E/DS 128GB/8GB)
Dual-SIM	Dual-SIM Standby - Call active on one sim card (dedicated slot)	Dual-SIM Standby - Call active on one sim card
SIM card	2 slots (Dual-SIM) nano-SIM (4FF)	2 slots (Dual-SIM) nano-SIM (4FF)
Maximum Download / Upload	400/75 Mbps	2000/1024 Mbps
Network technology	2G, 3G, 4G	2G, 3G, 4G, 5G
Frequency, bands	Expand band details Collapse details
GSM MHz band	Quad-Band 850/900/1800/1900	Quad-Band 850/900/1800/1900
Primary 2G network	GSM 850/900/1800/1900	GSM 850/900/1800/1900
Primary 3G network	UMTS 850/900/2100	UMTS 850/900/1700/1900/2100
Primary 4G network	LTE Cat13 VoLTE Global version; LTE (1, 3, 5, 7, 8, 20) TD-LTE (40) America version: LTE (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 28) TD-LTE (38, 41)	LTE Cat20 (1, 3, 3, 4, 5, 7, 8, 12, 20, 28) TD-LTE (34, 38, 39, 40, 41) VoLTE
Primary 5G network	Not supported	SA/NSA/Sub6 (1, 3, 5, 8, 28, 41, 78, 79)
Primary data network	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA
Secondary 2G network	GSM 850/900/1800/1900	GSM 850/900/1800/1900
Secondary 3G network	UMTS 850/900/2100	UMTS 850/900/1700/1900/2100
Secondary 4G network	LTE Cat13 VoLTE Global version; LTE (1, 3, 5, 7, 8, 20) TD-LTE (40) America version: LTE (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 28) TD-LTE (38, 41)	LTE Cat20 (1, 3, 3, 4, 5, 7, 8, 12, 20, 28) TD-LTE (34, 38, 39, 40, 41) VoLTE
Secondary data network	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA
📷 Camera
	Asus Zenfone Max Pro M2 (ZB631KL 64GB/4GB)	Galaxy S21 FE (SM-G990E/DS 128GB/8GB)
Back camera (main camera)	(dual camera) 12 megapixels 5MP depth f/2.4	(triple camera) 12.2 megapixels 12MP ultrawide f/2.2123°13mm1/3"1.12µm 8MP telephoto f/2.476mm1/4.5"1.0µmPDAFOIS3x-optical-zoom
Main camera resolution	4000x3000 pixels	4032x3024 pixels
Video recording (primary)	4K UHD (3840x2160) 30 fps	4K UHD (3840x2160) 60 fps
Flash	LED flash on both cameras	LED flash
Focal aperture	f/1.8 (aperture)	f/1.8 (aperture)
Focal length	27mm lens	26mm lens
Sensor size	1/2.9" inches	1/1.76" inches
Pixel size	1.25µm pixel	1.8µm pixel
Autofocus	PDAF: phase detection autofocus	PDAF: phase detection autofocus
Touch focus	Supported	Supported
Image stabilization	EIS: Digital stabilization	OIS: Optical stabilization
Zoom	Only digital zoom	Digital and optical zoom
Face/smile detection	Face detection, Smile detection	Face detection, Smile detection
BSI sensor	Supported	Supported
HDR	HDR photo only main camera	HDR photo/video on both cameras
Camera extras	1080p@30/60fps Sony IMX486 sensor	4K@30/60fps 1080p@30/60fps 1080p@240fps (slow motion) 720p@960fps (slow motion)
📸 Front camera
	Asus Zenfone Max Pro M2 (ZB631KL 64GB/4GB)	Galaxy S21 FE (SM-G990E/DS 128GB/8GB)
Front camera (secondary)	13 megapixels	32 megapixels
Front camera resolution	4128x3096 pixels	6528x4896 pixels
Video recording (secondary)	Full HD (1920x1080)	4K UHD (3840x2160)
Front flash	LED	Not supported
Focal aperture	f/2.0 (aperture)	f/2.2 (aperture)
Focal length	26mm lens	26mm lens
Sensor size	1/3.1" inches	1/2.74" inches
Pixel size	1.12µm pixel	0.8µm pixel
🔉 Sound and multimedia
	Asus Zenfone Max Pro M2 (ZB631KL 64GB/4GB)	Galaxy S21 FE (SM-G990E/DS 128GB/8GB)
Loudspeaker	Supported NXP amplifier	Stereo sound 32-bit/384kHz Dolby Atmos Tuned by AKG
Active noise cancellation	2 microphones or more	2 microphones or more
Radio	FM	Not supported
TV	Not supported	Not supported
Video formats	MP4, H.265, H.264, H.263, XviD, MKV	MP4, H.265, H.264, H.263, XviD, MKV
Audio formats	MP3, WAV, WMA, eAAC+, FLAC	MP3, WAV, WMA, eAAC+, FLAC
🔌 Connectivity
	Asus Zenfone Max Pro M2 (ZB631KL 64GB/4GB)	Galaxy S21 FE (SM-G990E/DS 128GB/8GB)
USB	MicroUSB 2.0, USB OTG On-The-Go	USB 3.2 Type-C, USB OTG On-The-Go
Audio output	3.5mm jack	Type-C reversible connector
TV output	Micro-B USB MHL	USB Type-C SlimPort®
Bluetooth	5.0 + A2DP/LE	5.0 + A2DP/LE
WiFi	802.11 b/g/n [wifi4] (2.4GHz) WiFi Direct, hotspot	802.11 a/b/g/n/ac/ax [wifi6] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot
DLNA	Not supported	Supported
GPS	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou
NFC	Supported	Supported
Infrared port	Not supported	Not supported
🧭 Sensors
	Asus Zenfone Max Pro M2 (ZB631KL 64GB/4GB)	Galaxy S21 FE (SM-G990E/DS 128GB/8GB)
Sensors	Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (rear-mounted) Gyroscope Proximity sensor	Accelerometer Ambient light sensor Barometer Compass Face unlock Fingerprint sensor (under display) Gyroscope Hall effect Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Asus Zenfone Max Pro M2 (ZB631KL 64GB/4GB)	Galaxy S21 FE (SM-G990E/DS 128GB/8GB)
Battery type	LiPo: li-ion polymer (Non removable)	LiPo: li-ion polymer (Non removable)
Battery capacity	5000 mAh	4500 mAh
Charger, watts	10W (5V/2A) Wired charging	25W Wired fast charging Reverse charging by cable USB Power Delivery 3.0
Inductive / wireless charging	Not supported	15W Qi wireless charging 4.5W Reverse wireless charging
Talk time autonomy	45 hours (1.9 days)	feature not registered
Standby	833.3 hours (34.7 days)	feature not registered
➕ Other features
	Asus Zenfone Max Pro M2 (ZB631KL 64GB/4GB)	Galaxy S21 FE (SM-G990E/DS 128GB/8GB)
Call control	Voice dialing, Voice recorder, Voice commands	Voice dialing, Voice recorder, Voice commands
Messaging	SMS (T9), MMS, E-mail, Push mail	SMS (T9), MMS, E-mail, Push mail
Hands-free calling	Supported	Supported
Video calling	Supported	Supported
Ringtones	Polyphonic and customized	Polyphonic and customized
Web browser	HTML, XHTML, HTML5	HTML, XHTML, HTML5
Antenna	Internal antenna	Internal antenna
Qwerty physical keyboard	Not supported	Not supported
Miscellaneous	• Colors: Blue, Titanium • Touch glove display	• Colors: Graphite, White, Lavender, Olive
☢️ Radiation rate
	Asus Zenfone Max Pro M2 (ZB631KL 64GB/4GB)	Galaxy S21 FE (SM-G990E/DS 128GB/8GB)
SAR 1.6W/kg (USA, Mexico, etc.)	feature not registered	0.65W/kg (head), 1.19W/kg (body)
SAR 2W/kg (Europe, UK, etc.)	feature not registered	0.93W/kg (head), 1.319W/kg (body)