Xiaomi Redmi Note 9 Pro Max vs Samsung Galaxy M51

Phones Images

PHONES
Phone Names	Xiaomi Redmi Note 9 Pro Max	Samsung Galaxy M51

Network
2G bands	GSM 850 / 900 / 1800 / 1900	GSM 850 / 900 / 1800 / 1900
3G bands	HSDPA 850 / 900 / 1900 / 2100	HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands	1, 3, 5, 8, 40, 41	1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 26, 28, 38, 40, 41, 66
Speed	HSPA, LTE	HSPA 42.2/5.76 Mbps, LTE (2CA) Cat6 400/50 Mbps
Technology	GSM / HSPA / LTE	GSM / HSPA / LTE

Launch
Announced	2020, March 12. Released 2020, May 12	2020, August 31. Released 2020, September 11
Status	Discontinued	Discontinued

Body
Build	Glass front (Gorilla Glass 5), glass back (Gorilla Glass 5), plastic frame	Glass front (Gorilla Glass 3+), plastic back, plastic frame
Dimensions	165.5 x 76.7 x 8.8 mm (6.52 x 3.02 x 0.35 in)	163.9 x 76.3 x 9.5 mm (6.45 x 3.00 x 0.37 in)
SIM	Nano-SIM + Nano-SIM	Nano-SIM + Nano-SIM
Weight	209 g (7.37 oz)	213 g (7.51 oz)
	Water-repellent coating	-

Display
Protection	Corning Gorilla Glass 5	Corning Gorilla Glass 3+
Resolution	1080 x 2400 pixels, 20:9 ratio (~395 ppi density)	1080 x 2400 pixels, 20:9 ratio (~393 ppi density)
Size	6.67 inches, 107.4 cm2 (~84.6% screen-to-body ratio)	6.7 inches, 108.4 cm2 (~86.7% screen-to-body ratio)
Type	IPS LCD, 450 nits (typ)	Super AMOLED Plus

Platform
CPU	Octa-core (2x2.3 GHz Kryo 465 Gold & 6x1.8 GHz Kryo 465 Silver)	Octa-core (2x2.2 GHz Kryo 470 Gold & 6x1.8 GHz Kryo 470 Silver)
Chipset	Qualcomm SM7125 Snapdragon 720G (8 nm)	Qualcomm SDM730 Snapdragon 730G (8 nm)
GPU	Adreno 618	Adreno 618
OS	Android 10, upgradable to Android 12, MIUI 13	Android 10, upgradable to Android 12, One UI 4.1

Memory
Card slot	microSDXC (dedicated slot)	microSDXC (dedicated slot)
Internal	64GB 6GB RAM, 128GB 6GB RAM, 128GB 8GB RAM	128GB 6GB RAM, 128GB 8GB RAM
	UFS 2.1	-

Main Camera
Features	LED flash, HDR, panorama	LED flash, panorama, HDR
Quad	64 MP, f/1.9, 26mm (wide), 1/1.72", 0.8µm, PDAF 8 MP, f/2.2, 13mm (ultrawide), 1/4.0", 1.12µm 5 MP (macro) Auxiliary lens	64 MP, f/1.8, 26mm (wide), 1/1.73", 0.8µm, PDAF 12 MP, f/2.2, 123˚ (ultrawide) 5 MP (macro) Auxiliary lens
Video	4K@30fps, 1080p@30/60/120fps, 720p@960fps, gyro-EIS	4K@30fps, 1080p@30fps

Selfie camera
Features	HDR, panorama	HDR
Single	32 MP, (wide), 1/2.8", 0.8µm	32 MP, f/2.0, 26mm (wide), 1/2.8", 0.8µm
Video	1080p@30fps	4K@30fps, 1080p@30fps

Sound
3.5mm jack	Yes	Yes
35mm jack	Yes	Yes
Loudspeaker	Yes	Yes

Comms
Bluetooth	5.0, A2DP, LE	5.0, A2DP, LE
Infrared port	Yes	-
NFC	No	Yes
Positioning	GPS, GLONASS, GALILEO, BDS, NavIC	GPS, GLONASS, GALILEO, BDS
Radio	FM radio, recording	FM radio, RDS
USB	USB Type-C 2.0	USB Type-C 2.0, OTG
WLAN	Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct	Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct

Features
Sensors	Fingerprint (side-mounted), accelerometer, gyro, proximity, compass	Fingerprint (side-mounted), accelerometer, gyro, proximity, compass

Battery
Charging	33W wired, 50% in 30 min	25W wired, 100% in 115 min Reverse wired
Type	Li-Po 5020 mAh	Li-Po 7000 mAh

Misc
Colors	Aurora Blue, Glacier White, Interstellar Black	Celestial Black, Electric Blue, White
Models	M2003J6B1I	SM-M515F, SM-M515F/DSN
Price	About 180 EUR	About 470 EUR
SAR	0.88 W/kg (head)     0.47 W/kg (body)	1.38 W/kg (head)
SAR EU	-	0.61 W/kg (head)     1.45 W/kg (body)

Tests
Battery life	-	Endurance rating 156h
Camera	-	Photo / Video
Display	-	Contrast ratio: Infinite (nominal)
Loudspeaker	-	-28.5 LUFS (Average)
Performance	-	AnTuTu: 266620 (v8) GeekBench: 1774 (v5.1) GFXBench: 15fps (ES 3.1 onscreen)

OUR TESTS
Battery (old)	-	Endurance rating 156h
Camera	-	Photo / Video
Display	-	677 nits max brightness (measured)
Loudspeaker	-	-28.5 LUFS (Average)
Performance	-	AnTuTu: 266620 (v8) GeekBench: 1774 (v5.1) GFXBench: 15fps (ES 3.1 onscreen)