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

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

7/7/2020 1:17 PM, updated: 1/19/2023 3:05 AM

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

Specifications Compare Models Pictures

6.4"
AMOLED

1080x2340

64
MP

32mp

6GB
RAM

Octa-core

6000
mAh

(Non removable)

08Points Xiaomi Redmi Note 9 Pro (128GB) Compare Samsung Galaxy M31 X

Specifications Compare Models Pictures

6.67"
IPS

1080x2400

64
MP

16mp

6GB
RAM

Octa-core

5020
mAh

(Non removable)

What's the better phone? Samsung Galaxy M31 (SM-M315F/DS 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!

8 Advantages Samsung Galaxy M31 (SM-M315F/DS 128GB/6GB)	vs	8 Advantages Xiaomi Redmi Note 9 Pro (128GB)
+191 grams (6.69 ounces)9% Lighter	vs	209 grams (7.32 ounces)
+Super AMOLEDAdvantage Super AMOLED display is brighter and more vivid	vs	TFT IPS LCD
+403 PPI2% Crisper display of text, images and videos because it has more pixels per inch (ppi)	vs	395 PPI
+(quad camera) 64MP + 8MP + 5MP + 5MP4% Higher resolution main camera	vs	(quad camera) 64MP + 8MP + 5MP + 2MP
+f/1.8 (aperture)6% Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.	vs	f/1.9 (aperture)
+(front) 32MP101% Higher resolution secondary camera to take pictures and selfies	vs	(front) 16MP
+(front) 4K UHD (3840x2160)3 times More image quality for recording videos with the secondary camera	vs	(front) Full HD (1920x1080)
+6000 mAh20% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use	vs	5020 mAh
2.3GHz 64bit Octa-core (10nm)	vs	+2.3GHz 64bit Octa-core (8nm)26% More powerful processor, you can open your applications faster
8.9 millimeters (0.35 inches)	vs	+8.8 millimeters (0.35 inches)1% Thinner
1080x2340 pixels	vs	+1080x2400 pixels3% Higher resolution screen
6.4"	vs	+6.67"4% Larger screen
(4G LTE-A) 600 Mbps	vs	+(4G LTE-A) 800 Mbps33% Faster for surfing the internet and download files
Not supported	vs	+Proximity sensorAdvantage Sensors help you use the device
15W	vs	+30W100% 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	+NFCAdvantage NFC allows you to make payments by approach quickly and securely

34 Common items in both devices

6GB LPDDR4X

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

UFS 2.1

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

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

60Hz

16 million

+27 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
	Galaxy M31 (SM-M315F/DS 128GB/6GB)	Redmi Note 9 Pro (128GB)
Change model		Choose the model
Model	Galaxy M31 (SM-M315F/DS 128GB/6GB)	Redmi Note 9 Pro (128GB)
Other model names	Galaxy M315F/Dual-Sim (128GB + 6GB RAM)	Xiaomi Note 9 Pro (M2003J6B2G Global version) 6GB RAM
Country or region available	(Latin America), (Global, International), Philippines, India, Indonesia, Malaysia	(Global, International)
Brand	Samsung	Xiaomi
Release date	3/5/2020, Announced: 2/25/2020	5/5/2020, Announced: 4/30/2020
Depth	8.9 millimeters (0.35 inches)	8.8 millimeters (0.35 inches)
Size (width x height)	75.1 x 159.2 millimeters (2.96 x 6.27 in)	76.68 x 165.75 millimeters (3.02 x 6.53 in)
Weight	191 grams (6.69 ounces)	209 grams (7.32 ounces)
Build, materials	Plastic body, glass front	Plastic body, glass front/back
Protection against water and others	Not supported	Not supported
📲 Display
	Galaxy M31 (SM-M315F/DS 128GB/6GB)	Redmi Note 9 Pro (128GB)
Display type	Super AMOLED	TFT IPS LCD
Screen size	6.4" inches	6.67" inches
Screen-to-body ratio	~84.1% (screen-to-body ratio)	~84.5% (screen-to-body ratio)
Display resolution	1080x2340 pixels (19.5:9)	1080x2400 pixels (20:9)
Touchscreen	Capacitive Multitouch	Capacitive Multitouch
Pixel density (dot pitch)	403 PPI	395 PPI
Colors	16 million	16 million
Scratch-resistant glass	Gorilla Glass 3	Gorilla Glass 5
Refresh rate	60Hz	60Hz
Display features	420nits[peak]	450nits[typ]
🤖 Operating System
	Galaxy M31 (SM-M315F/DS 128GB/6GB)	Redmi Note 9 Pro (128GB)
System version	Android 10	Android 10
Firmware update	Android 11	Android 11
User Interface	feature not registered	MIUI 11 / 12
⚙️ Processor
	Galaxy M31 (SM-M315F/DS 128GB/6GB)	Redmi Note 9 Pro (128GB)
Chipset	64bit: Samsung Exynos 9611 (10nm)	64bit: Qualcomm Snapdragon 720G (SM7125) (8nm)
CPU	Octa-core, 2 processors: 4x 2.3GHz ARM Cortex-A73 (Quad-core) 4x 1.7GHz ARM Cortex-A53 (Quad-core)	Octa-core, 2 processors: 2x 2.3GHz Kryo 465 Gold (Dual-core) 6x 1.8GHz Kryo 465 Silver (Hexa-core)
GPU graphical controller	ARM Mali-G72 MP3 (850MHz)	Qualcomm Adreno 618 (750MHz)
Performance (benchmark)	feature not registered	AnTuTu: 279625 (v8) Geekbench: 1785 (v5.1) GFXBench: 15fps (ES 3.1 onscreen)
💽 Memory and storage
	Galaxy M31 (SM-M315F/DS 128GB/6GB)	Redmi Note 9 Pro (128GB)
RAM memory	6GB LPDDR4X	6GB LPDDR4X
Internal storage	128GB (108GB available) UFS 2.1	128GB (106GB available) UFS 2.1
External storage	Until 1TB microSD, microSDXC (dedicated slot)	Until 512GB microSD, microSDXC (dedicated slot)
📶 Mobile networks
	Galaxy M31 (SM-M315F/DS 128GB/6GB)	Redmi Note 9 Pro (128GB)
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	600/150 Mbps	800/150 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 850/900/1700/1900/2100	UMTS 850/900/1700/1900/2100
Primary 4G network	LTE Cat12/13 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 26, 28, 66) TD-LTE (38, 40, 41) VoLTE	LTE Cat15/13 (1, 2, 3, 4, 5, 7, 8, 20, 28) 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	UMTS 850/900/1700/1900/2100
Secondary 4G network	Not supported	LTE Cat15/13 (1, 2, 3, 4, 5, 7, 8, 20, 28) TD-LTE (38, 40, 41) VoLTE
Secondary data network	GPRS, EDGE	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A
📷 Camera
	Galaxy M31 (SM-M315F/DS 128GB/6GB)	Redmi Note 9 Pro (128GB)
Back camera (main camera)	(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	(quad camera) 64 megapixels 8MP ultrawide f/2.213mm1/4"1.12µm119° 5MP macro f/2.41/5"1.12µmAF 2MP depth f/2.4
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/1.8 (aperture)	f/1.9 (aperture)
Focal length	26mm lens	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	Supported
HDR	HDR photo on both cameras	HDR photo on both cameras
Camera extras	feature not registered	4K@30fps 1080p@30/60fps 1080p@120fps (slow motion) 720p@960fps (slow motion)
📸 Front camera
	Galaxy M31 (SM-M315F/DS 128GB/6GB)	Redmi Note 9 Pro (128GB)
Front camera (secondary)	32 megapixels	16 megapixels
Front camera resolution	6528x4896 pixels	4608x3456 pixels
Video recording (secondary)	4K UHD (3840x2160)	Full HD (1920x1080)
Front flash	Not supported	Not supported
Focal aperture	f/2.0 (aperture)	f/2.5 (aperture)
Focal length	26mm lens	feature not registered
Sensor size	1/2.8" inches	1/3.06" inches
Pixel size	0.8µm pixel	1µm pixel
🔉 Sound and multimedia
	Galaxy M31 (SM-M315F/DS 128GB/6GB)	Redmi Note 9 Pro (128GB)
Loudspeaker	Supported	Mono sound (not stereo)
Active noise cancellation	2 microphones or more	2 microphones or more
Radio	FM (RDS)	FM
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
	Galaxy M31 (SM-M315F/DS 128GB/6GB)	Redmi Note 9 Pro (128GB)
USB	USB 2.0 Type-C, USB OTG On-The-Go	USB 2.0 Type-C, USB OTG On-The-Go
Audio output	3.5mm jack	3.5mm jack
TV output	Not supported	USB Type-C (reversible)
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	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou
NFC	Not supported	Supported
Infrared port	Not supported	Supported
🧭 Sensors
	Galaxy M31 (SM-M315F/DS 128GB/6GB)	Redmi Note 9 Pro (128GB)
Sensors	Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (rear-mounted) Gyroscope	Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (side-mounted) Gyroscope Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Galaxy M31 (SM-M315F/DS 128GB/6GB)	Redmi Note 9 Pro (128GB)
Battery type	LiPo: li-ion polymer (Non removable)	LiPo: li-ion polymer (Non removable)
Battery capacity	6000 mAh	5020 mAh
Charger, watts	15W Wired fast charging	30W Wired fast charging
Inductive / wireless charging	Not supported	Not supported
Talk time autonomy	feature not registered	feature not registered
Standby	feature not registered	feature not registered
➕ Other features
	Galaxy M31 (SM-M315F/DS 128GB/6GB)	Redmi Note 9 Pro (128GB)
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: Ocean Blue, Space Black, Red • One UI 2.0, 3.1	• Colors: Tropical Green, Glacier White, Interstellar Gray • 33W charger (30W phone support)
☢️ Radiation rate
	Galaxy M31 (SM-M315F/DS 128GB/6GB)	Redmi Note 9 Pro (128GB)
SAR 1.6W/kg (USA, Mexico, etc.)	0.52W/kg (head), 0.69W/kg (body)	0.87W/kg (head), 0.71W/kg (body)
SAR 2W/kg (Europe, UK, etc.)	0.482W/kg (head), 1.127W/kg (body)	0.66W/kg (head), 1.02W/kg (body)