Xiaomi Mi Max 3 (64GB) vs Samsung Galaxy S21 FE (SM-G990B/DS 128GB)

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Side by side comparison between Xiaomi Mi Max 3 vs Samsung Galaxy S21 FE phones, differences, pros, cons and full specifications. What's the better?

1/19/2022 4:50 AM, updated: 9/27/2024 2:44 AM

Compare Samsung Galaxy S21 FE X Xiaomi Mi Max 3 (64GB) 06Points

Specifications Compare Models Pictures

6.9"
IPS

1080x2160

12
MP

8mp

4GB
RAM

Octa-core

5500
mAh

(Non removable)

26Points Samsung Galaxy S21 FE (SM-G990B/DS 128GB) Compare Xiaomi Mi Max 3 X

Specifications Compare Models Pictures

6.4"
AMOLED

1080x2400

12.2
MP

32mp

6GB
RAM

Octa-core

4500
mAh

(Non removable)

What's the better phone? Samsung Galaxy S21 FE (SM-G990B/DS 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!

6 Advantages Xiaomi Mi Max 3 (64GB)	vs	26 Advantages Samsung Galaxy S21 FE (SM-G990B/DS 128GB)
+Until 256GB microSD, microSDXCAdvantage More external storage for files using memory cards	vs	Not supported
+6.9"8% Larger screen	vs	6.4"
+Dual-LED on main camera and LED on front cameraAdvantage The Dual-LED on main camera and LED on front camera helps in dark places or in low light	vs	LED flash
+5500 mAh22% 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
1.8GHz 64bit Octa-core	vs	+2.9GHz 64bit Octa-core (5nm)42% More powerful processor, you can open your applications faster
4GB LPDDR4X	vs	+6GB LPDDR550% 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.
221 grams (7.74 ounces)	vs	+177 grams (6.2 ounces)25% Lighter
8 millimeters (0.31 inches)	vs	+7.9 millimeters (0.31 inches)1% Thinner
TFT IPS LCD	vs	+Dynamic AMOLEDAdvantage Dynamic AMOLED display is brighter and more vivid
1080x2160 pixels	vs	+1080x2400 pixels11% Higher resolution screen
350 PPI	vs	+411 PPI17% Crisper display of text, images and videos because it has more pixels per inch (ppi)
(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
Not supported	vs	+BSI sensorAdvantage The BSI sensor allows the entry of more light generating photos with more detail and brightness
f/1.9 (aperture)	vs	+f/1.8 (aperture)6% Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.
(front) 8MP	vs	+(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 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) 300 Mbps	vs	+(5G SA/NSA) 2000 Mbps6 times Faster for surfing the internet and download files
Not supported	vs	+BarometerAdvantage Sensors help you use the device
Not supported	vs	+Face unlockAdvantage Sensors help you use the device
18W	vs	+25W39% 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.
802.11 a/b/g/n/ac [wifi5]	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	+NFCAdvantage NFC allows you to make payments by approach quickly and securely
USB 2.0 Type-C reversible connector	vs	+USB 3.2 Type-C, USB OTG On-The-GoAdvantage Newer and faster USB version for transferring photos, mp3 or data.
Not supported	vs	+IP68 certifiedAdvantage Protection against water allows you talk to your friends in the rain, for example

24 Common items in both devices

Aluminum body, glass front / Aluminum body, glass front, plastic back

16 million

PDAF: phase detection autofocus

HDR photo on both cameras / HDR photo/video on both cameras

4K UHD (3840x2160)

Capacitive

Multitouch

+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 differences

📱 Model features
	Xiaomi Mi Max 3 (64GB)	Galaxy S21 FE (SM-G990B/DS 128GB)
Change model		Choose the model
Model	Xiaomi Mi Max 3 (64GB)	Galaxy S21 FE (SM-G990B/DS 128GB)
Other model names	小米Max 3, Xiaomi Max 3 4GB RAM M1804E4T, M1804E4A, M1804E4C	Galaxy S21 FE 5G SM-G990B/Dual-SIM (Exynos)
Country or region available	(Global, International), China, Hong Kong	(Global, International)
Brand	Xiaomi	Samsung
Release date	7/1/2018	1/7/2022, Announced: 1/4/2022
Depth	8 millimeters (0.31 inches)	7.9 millimeters (0.31 inches)
Size (width x height)	87.4 x 176.15 millimeters (3.44 x 6.94 in)	74.5 x 155.7 millimeters (2.93 x 6.13 in)
Weight	221 grams (7.74 ounces)	177 grams (6.2 ounces)
Build, materials	Aluminum 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
	Xiaomi Mi Max 3 (64GB)	Galaxy S21 FE (SM-G990B/DS 128GB)
Display type	TFT IPS LCD	Dynamic AMOLED
Screen size	6.9" inches	6.4" inches
Screen-to-body ratio	~79.8% (screen-to-body ratio)	~85.3% (screen-to-body ratio)
Display resolution	1080x2160 pixels	1080x2400 pixels (20:9)
Touchscreen	Capacitive Multitouch	Capacitive Multitouch 10-points
Pixel density (dot pitch)	350 PPI	411 PPI
Colors	16 million	16 million
Scratch-resistant glass	Gorilla Glass 3	Gorilla Glass Victus
Refresh rate	feature not registered	120Hz
Display features	feature not registered	1300nits[peak] HDR10+ Always-On Display
🤖 Operating System
	Xiaomi Mi Max 3 (64GB)	Galaxy S21 FE (SM-G990B/DS 128GB)
System version	Android 8.1 Oreo	Android 12
Firmware update	Android 9.0 Pie	Android 14
User Interface	feature not registered	One UI 4.1 / 5.1 / 6.0
⚙️ Processor
	Xiaomi Mi Max 3 (64GB)	Galaxy S21 FE (SM-G990B/DS 128GB)
Chipset	64bit: Qualcomm Snapdragon 636 SDM636 (14nm)	64bit: Samsung Exynos 2100 (5nm)
CPU	Octa-core, 2 processors: 4x 1.8GHz Kryo 260 Gold (Quad-core) 4x 1.6GHz 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 509	ARM Mali-G78 MP14 (854MHz)
Performance (benchmark)	feature not registered	feature not registered
💽 Memory and storage
	Xiaomi Mi Max 3 (64GB)	Galaxy S21 FE (SM-G990B/DS 128GB)
RAM memory	4GB LPDDR4X	6GB LPDDR5
Internal storage	64GB (51GB available) eMMC 5.1	128GB (97GB available) UFS 3.1
External storage	Until 256GB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot)	Not supported
📶 Mobile networks
	Xiaomi Mi Max 3 (64GB)	Galaxy S21 FE (SM-G990B/DS 128GB)
Dual-SIM	Dual-SIM Standby - Call active on one sim card (hybrid slot/shares the same microSD 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	300/50 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	CDMA 800, GSM 850/900/1800/1900	GSM 850/900/1800/1900
Primary 3G network	CDMA2000 1xEV-DO TD-SCDMA 1900/2000 UMTS 850/900/1900/2100	UMTS 850/900/1700/1900/2100
Primary 4G network	LTE Cat6 (Bands 1, 3, 4, 5, 7, 8, 20) TD-LTE (Bands 34, 38, 39, 40, 41) VoLTE	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, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, TD-SCDMA, UMTS, TD-HSDPA, 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	Not supported	UMTS 850/900/1700/1900/2100
Secondary 4G network	Not supported	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	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA
📷 Camera
	Xiaomi Mi Max 3 (64GB)	Galaxy S21 FE (SM-G990B/DS 128GB)
Back camera (main camera)	(dual camera) 12 megapixels 5MP depth	(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	Dual-LED on main camera and LED on front camera	LED flash
Focal aperture	f/1.9 (aperture)	f/1.8 (aperture)
Focal length	feature not registered	26mm (lens)
Sensor size	feature not registered	1/1.76" inches
Pixel size	1.4µm 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	Not supported	Supported
HDR	HDR photo on both cameras	HDR photo/video on both cameras
Camera extras	feature not registered	4K@30/60fps 1080p@30/60fps 1080p@240fps (slow motion) 720p@960fps (slow motion)
📸 Front camera
	Xiaomi Mi Max 3 (64GB)	Galaxy S21 FE (SM-G990B/DS 128GB)
Front camera (secondary)	8 megapixels	32 megapixels
Front camera resolution	3264x2448 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	feature not registered	26mm (lens)
Sensor size	feature not registered	1/2.74" inches
Pixel size	1.12µm pixel	0.8µm pixel
🔉 Sound and multimedia
	Xiaomi Mi Max 3 (64GB)	Galaxy S21 FE (SM-G990B/DS 128GB)
Loudspeaker	Supported	Stereo sound 32-bit/384kHz Dolby Atmos Tuned by AKG
Active noise cancellation	2 microphones or more	2 microphones
Radio	FM	Not supported
TV	Not supported	Not supported
Video formats	MP4, H.265, H.264, H.263, DivX, XviD, WMV	MP4, H.265, H.264, H.263, XviD, MKV
Audio formats	MP3, OGG, eAAC+, FLAC	MP3, WAV, WMA, eAAC+, FLAC
🔌 Connectivity
	Xiaomi Mi Max 3 (64GB)	Galaxy S21 FE (SM-G990B/DS 128GB)
USB	USB 2.0 Type-C reversible connector	USB 3.2 Type-C, USB OTG On-The-Go
Audio output	3.5mm jack	Type-C reversible connector
TV output	Not supported	USB Type-C SlimPort®
Bluetooth	5.0 + A2DP/LE	5.0 + A2DP/LE
WiFi	802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot	802.11 a/b/g/n/ac/ax [wifi6] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot
DLNA	Supported	Supported
GPS	A-GPS, GeoTagging, GLONASS, BeiDou	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou
NFC	Not supported	Supported
Infrared port	Supported	Not supported
🧭 Sensors
	Xiaomi Mi Max 3 (64GB)	Galaxy S21 FE (SM-G990B/DS 128GB)
Sensors	Accelerometer Ambient light sensor Compass Fingerprint sensor Gyroscope Hall effect Proximity sensor	Accelerometer Ambient light sensor Barometer Compass Face unlock Fingerprint sensor (under display) Gyroscope Hall effect Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Xiaomi Mi Max 3 (64GB)	Galaxy S21 FE (SM-G990B/DS 128GB)
Battery type	Li-Ion: lithium-ion (Non removable)	LiPo: li-ion polymer (Non removable)
Battery capacity	5500 mAh	4500 mAh
Charger, watts	18W (9V/2A) Wired fast charging	25W Wired fast charging Reverse charging by cable USB Power Delivery 3.0
Inductive / wireless charging	feature not registered	15W Qi wireless charging 4.5W Reverse wireless charging
Talk time autonomy	feature not registered	feature not registered
Standby	feature not registered	feature not registered
➕ Other features
	Xiaomi Mi Max 3 (64GB)	Galaxy S21 FE (SM-G990B/DS 128GB)
Call control	Voice dialing, Voice recorder	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: Black, Champagne Gold, Blue • MIUI 9.5 • Quick Charge 3.0	• Colors: Graphite, White, Lavender, Olive
☢️ Radiation rate
	Xiaomi Mi Max 3 (64GB)	Galaxy S21 FE (SM-G990B/DS 128GB)
SAR 1.6W/kg (USA, Mexico, etc.)	feature not registered	0.65W/kg (head), 0.61W/kg (body)
SAR 2W/kg (Europe, UK, etc.)	feature not registered	0.952W/kg (head), 1.48W/kg (body)