Xiaomi Redmi Note 9 Pro Max (128GB/6GB) vs Samsung Galaxy M31 (SM-M315F/DS 128GB/6GB)

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Side by side comparison between Xiaomi Redmi Note 9 Pro Max vs Samsung Galaxy M31 phones, differences, pros, cons and full specifications. What's the better?

3/22/2020 2:35 PM, updated: 10/26/2021 8:15 AM

Compare Samsung Galaxy M31 X Xiaomi Redmi Note 9 Pro Max (128GB/6GB) 09Points

Specifications Compare Models Pictures

6.67"
IPS

1080x2400

64
MP

32mp

6GB
RAM

Octa-core

5020
mAh

(Non removable)

08Points Samsung Galaxy M31 (SM-M315F/DS 128GB/6GB) Compare Xiaomi Redmi Note 9 Pro Max X

Specifications Compare Models Pictures

6.4"
AMOLED

1080x2340

64
MP

32mp

6GB
RAM

Octa-core

6000
mAh

(Non removable)

What's the better phone? Xiaomi Redmi Note 9 Pro Max (128GB/6GB)

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!

9 Advantages Xiaomi Redmi Note 9 Pro Max (128GB/6GB)	vs	8 Advantages Samsung Galaxy M31 (SM-M315F/DS 128GB/6GB)
+2.3GHz 64bit Octa-core26% More powerful processor, you can open your applications faster	vs	2.3GHz 64bit Octa-core (10nm)
+8.8 millimeters (0.35 inches)1% Thinner	vs	8.9 millimeters (0.35 inches)
+1080x2400 pixels3% Higher resolution screen	vs	1080x2340 pixels
+6.67"4% Larger screen	vs	6.4"
+(4G LTE-A) 800 Mbps33% Faster for surfing the internet and download files	vs	(4G LTE-A) 600 Mbps
+Proximity sensorAdvantage Sensors help you use the device	vs	Not supported
+33W120% 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.	vs	15W
+NFCAdvantage NFC allows you to make payments by approach quickly and securely	vs	Not supported
+P2i certifiedAdvantage Protection against water allows you talk to your friends in the rain, for example	vs	Not supported
209 grams (7.32 ounces)	vs	+191 grams (6.69 ounces)9% Lighter
TFT IPS LCD	vs	+Super AMOLEDAdvantage Super AMOLED display is brighter and more vivid
395 PPI	vs	+403 PPI2% Crisper display of text, images and videos because it has more pixels per inch (ppi)
(quad camera) 64MP + 8MP + 5MP + 2MP	vs	+(quad camera) 64MP + 8MP + 5MP + 5MP4% Higher resolution main camera
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) Full HD (1920x1080)	vs	+(front) 4K UHD (3840x2160)3 times More image quality for recording videos with the secondary camera
Android 10	vs	+Android 11Advantage Android 11 is newer and safer
5020 mAh	vs	+6000 mAh20% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use

33 Common items in both devices

6GB LPDDR4X

128GB (106GB available) / 128GB (108GB available)

UFS 2.1

Until 512GB microSD, microSDXC / Until 1TB microSD, microSDXC

Plastic body, glass front/back / Plastic body, glass front

16 million

LED flash

+26 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
	Redmi Note 9 Pro Max (128GB/6GB)	Galaxy M31 (SM-M315F/DS 128GB/6GB)
Change model		Choose the model
Model	Redmi Note 9 Pro Max (128GB/6GB)	Galaxy M31 (SM-M315F/DS 128GB/6GB)
Other model names	Xiaomi Note 9 Pro Max (6GB RAM)	Galaxy M315F/Dual-Sim (128GB + 6GB RAM)
Country or region available	India, (Global, International)	(Latin America), (Global, International), Philippines, India, Indonesia, Malaysia
Brand	Xiaomi	Samsung
Release date	3/25/2020	3/5/2020, Announced: 2/25/2020
Depth	8.8 millimeters (0.35 inches)	8.9 millimeters (0.35 inches)
Size (width x height)	76.68 x 165.5 millimeters (3.02 x 6.52 in)	75.1 x 159.2 millimeters (2.96 x 6.27 in)
Weight	209 grams (7.32 ounces)	191 grams (6.69 ounces)
Build, materials	Plastic body, glass front/back	Plastic body, glass front
Protection against water and others	P2i certified: water repellent nano-coating	Not supported
📲 Display
	Redmi Note 9 Pro Max (128GB/6GB)	Galaxy M31 (SM-M315F/DS 128GB/6GB)
Display type	TFT IPS LCD	Super AMOLED
Screen size	6.67" inches	6.4" inches
Screen-to-body ratio	~84.6% (screen-to-body ratio)	~84.1% (screen-to-body ratio)
Display resolution	1080x2400 pixels	1080x2340 pixels (19.5:9)
Touchscreen	Capacitive Multitouch	Capacitive Multitouch
Pixel density (dot pitch)	395 PPI	403 PPI
Colors	16 million	16 million
Scratch-resistant glass	Gorilla Glass 5	Gorilla Glass 3
Refresh rate	feature not registered	60Hz
Display features	feature not registered	420nits[peak]
🤖 Operating System
	Redmi Note 9 Pro Max (128GB/6GB)	Galaxy M31 (SM-M315F/DS 128GB/6GB)
System version	Android 10	Android 10
Firmware update	feature not registered	Android 11
User Interface	feature not registered	feature not registered
⚙️ Processor
	Redmi Note 9 Pro Max (128GB/6GB)	Galaxy M31 (SM-M315F/DS 128GB/6GB)
Chipset	64bit: Qualcomm Snapdragon 720G SM7125 (8nm)	64bit: Samsung Exynos 9611 (10nm)
CPU	Octa-core, 2 processors: 2x 2.3GHz Kryo 465 Gold (Dual-core) 6x 1.8GHz Kryo 465 Silver (Hexa-core)	Octa-core, 2 processors: 4x 2.3GHz ARM Cortex-A73 (Quad-core) 4x 1.7GHz ARM Cortex-A53 (Quad-core)
GPU graphical controller	Qualcomm Adreno 618	ARM Mali-G72 MP3 (850MHz)
Performance (benchmark)	feature not registered	feature not registered
💽 Memory and storage
	Redmi Note 9 Pro Max (128GB/6GB)	Galaxy M31 (SM-M315F/DS 128GB/6GB)
RAM memory	6GB LPDDR4X	6GB LPDDR4X
Internal storage	128GB (106GB available) UFS 2.1	128GB (108GB available) UFS 2.1
External storage	Until 512GB microSD, microSDXC (dedicated slot)	Until 1TB microSD, microSDXC (dedicated slot)
📶 Mobile networks
	Redmi Note 9 Pro Max (128GB/6GB)	Galaxy M31 (SM-M315F/DS 128GB/6GB)
Dual-SIM	Dual-SIM Standby - Call active on one sim card (dedicated slot)	Dual-SIM Standby - Call active on one sim card (dedicated slot)
SIM card	2 slots (Dual-SIM) nano-SIM (4FF)	2 slots (Dual-SIM) nano-SIM (4FF)
Maximum Download / Upload	800/150 Mbps	600/150 Mbps
Network technology	2G, 3G, 4G	2G, 3G, 4G
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 850/900/1900/2100	UMTS 850/900/1700/1900/2100
Primary 4G network	LTE Cat15/13 (Bands 1, 3, 5, 8, 20, 28) TD-LTE (Bands 40, 41) VoLTE	LTE Cat12/13 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 26, 28, 66) TD-LTE (38, 40, 41) VoLTE
Primary 5G network	Not supported	Not supported
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
Secondary 2G network	GSM 850/900/1800/1900	GSM 850/900/1800/1900
Secondary 3G network	Not supported	Not supported
Secondary 4G network	Not supported	Not supported
Secondary data network	GPRS, EDGE	GPRS, EDGE
📷 Camera
	Redmi Note 9 Pro Max (128GB/6GB)	Galaxy M31 (SM-M315F/DS 128GB/6GB)
Back camera (main camera)	(quad camera) 64 megapixels 8MP ultrawide f/2.213mm1/4"1.12µm 5MP macro f/2.41.12µm 2MP depth f/2.4	(quad camera) 64 megapixels 8MP ultrawide f/2.212mm1/4.0"1.12µm 5MP macro f/2.425mm1/5.0"1.12µm 5MP depth f/2.2
Main camera resolution	10120x6328 pixels	10120x6328 pixels
Video recording (primary)	4K UHD (3840x2160) 30 fps	4K UHD (3840x2160) 30 fps
Flash	LED flash	LED flash
Focal aperture	f/1.9 (aperture)	f/1.8 (aperture)
Focal length	feature not registered	26mm lens
Sensor size	1/1.72" inches	1/1.72" inches
Pixel size	0.8µm pixel	0.8µm pixel
Autofocus	PDAF: phase detection autofocus	PDAF: phase detection autofocus
Touch focus	Supported	Supported
Image stabilization	EIS: Digital stabilization	EIS: Digital stabilization
Zoom	Only digital zoom	Only digital zoom
Face/smile detection	Face detection, Smile detection	Face detection, Smile detection
BSI sensor	Not supported	Not supported
HDR	HDR photo on both cameras	HDR photo on both cameras
Camera extras	feature not registered	feature not registered
📸 Front camera
	Redmi Note 9 Pro Max (128GB/6GB)	Galaxy M31 (SM-M315F/DS 128GB/6GB)
Front camera (secondary)	32 megapixels	32 megapixels
Front camera resolution	6528x4896 pixels	6528x4896 pixels
Video recording (secondary)	Full HD (1920x1080)	4K UHD (3840x2160)
Front flash	Not supported	Not supported
Focal aperture	feature not registered	f/2.0 (aperture)
Focal length	feature not registered	26mm lens
Sensor size	1/2.8" inches	1/2.8" inches
Pixel size	0.8µm pixel	0.8µm pixel
🔉 Sound and multimedia
	Redmi Note 9 Pro Max (128GB/6GB)	Galaxy M31 (SM-M315F/DS 128GB/6GB)
Loudspeaker	Supported	Supported
Active noise cancellation	2 microphones or more	2 microphones or more
Radio	FM	FM (RDS)
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
	Redmi Note 9 Pro Max (128GB/6GB)	Galaxy M31 (SM-M315F/DS 128GB/6GB)
USB	USB 2.0 Type-C reversible connector	USB 2.0 Type-C, USB OTG On-The-Go
Audio output	3.5mm jack	3.5mm jack
TV output	Not supported	Not supported
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 [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot
DLNA	Not supported	Not supported
GPS	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, NavIC	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou
NFC	Supported	Not supported
Infrared port	Supported	Not supported
🧭 Sensors
	Redmi Note 9 Pro Max (128GB/6GB)	Galaxy M31 (SM-M315F/DS 128GB/6GB)
Sensors	Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (side-mounted) Gyroscope Proximity sensor	Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (rear-mounted) Gyroscope
Vibrating alert	Supported	Supported
🔋 Battery
	Redmi Note 9 Pro Max (128GB/6GB)	Galaxy M31 (SM-M315F/DS 128GB/6GB)
Battery type	LiPo: li-ion polymer (Non removable)	LiPo: li-ion polymer (Non removable)
Battery capacity	5020 mAh	6000 mAh
Charger, watts	33W Wired fast charging	15W Wired fast charging
Inductive / wireless charging	feature not registered	Not supported
Talk time autonomy	feature not registered	feature not registered
Standby	feature not registered	feature not registered
➕ Other features
	Redmi Note 9 Pro Max (128GB/6GB)	Galaxy M31 (SM-M315F/DS 128GB/6GB)
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: Aurora Blue, Glacier White, Interstellar Black • 20:9 display (450 nits) • MIUI 11	• Colors: Ocean Blue, Space Black, Red • One UI 2.0, 3.1
☢️ Radiation rate
	Redmi Note 9 Pro Max (128GB/6GB)	Galaxy M31 (SM-M315F/DS 128GB/6GB)
SAR 1.6W/kg (USA, Mexico, etc.)	feature not registered	0.52W/kg (head), 0.69W/kg (body)
SAR 2W/kg (Europe, UK, etc.)	feature not registered	0.482W/kg (head), 1.127W/kg (body)