Samsung Galaxy A51 vs Xiaomi Redmi 9

Price Comparison (India)

Rs. 25,250

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Manufacturer
Samsung	Xiaomi
Announced
December 2019	Not announced yet
Status
Coming Soon - December 12, 2019	Coming soon. Exp. release 2020, June
Price
Rs. 23,999 ($0.00) [Similarly Priced]	-
Colors
Prism Crush White, Black, Pink, Blue	Ocean Green, Sunset Purple, Carbon Gray
Form Factor
Candybar	Candybar
Dimension
158.4 x 73.7 x 7.9 mm (6.24 x 2.9 x 0.31 in)	163.32 x 77.01 x 9.1 mm (6.43 x 3.03 x 0.36 in)
Weight
172 g (6.07 oz)	198 g (6.98 oz)
SIM Type
Single SIM (Nano-SIM), Dual SIM (Nano-SIM, dual stand-by)	Dual SIM (Nano-SIM, dual stand-by)
2G Network
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only)	GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Network
HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100	HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G Network
LTE (unspecified)	LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 13(700), 17(700), 20(800), 25(1900), 2628, 32(1500), 38(2600), 39(1900), 40(2300), 41(2500), 66(1700/2100), 71(600)
Messaging

Build Features
- Fingerprint Sensor(In-display)	- Fingerprint Sensor Splash resistant

Type
Full HD+ Infinity-O Super AMOLED Capacitive Touchscreen	IPS LCD Capacitive Touchscreen, Corning Gorilla Glass 5
Colors
16M colors	16M colors
Size
6.5 inches [Similar]	6.53 inches [Similar]
Resolution
1080 x 2340 pixels (396 ppi)	1080 x 2340 pixels (395 ppi)
Screen-to-Body Ratio
89.06%	83.09%
Multi-Touch

OS
Android 9.0 (Pie)	Android 10.0
User Interface
One UI	MIUI 11, upgradable to MIUI 12
Processor
Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53), Exynos 9611 (10nm) [Similar]	Octa-Core (Dual 2GHz Cortex-A75 + Hexa 2GHz 6x Cortex-A55 CPUs), MediaTek Helio G80 12nm [Similar]
GPU
Mali-G72 MP3 [Similar]	Mali-G52 2EEMC2 [Similar]
RAM
8 GB [Browse Similar]	4 GB [Browse Similar]
Internal Memory
128 GB	64 GB
External Memory
microSD, up to 512 GB (dedicated slot)	microSDXC (dedicated slot)

Rear Camera
48 MP + 12 MP + 5 MP + 5 MP [Similar]	13 MP + 8 MP + 5 MP + 2 MP [Similar]
Flash
LED Flash	LED flash
Features
48 MP, f/1.8, (wide), 1/2", 0.8µm, PDAF 12 MP, f/2.2, 13mm (ultrawide) 5 MP, f/2.2, depth sensor 5 MP, f/2.4, macro camera Panorama, HDR	13 MP, f/1.8, (wide), 1/3.1", 1.12µm, PDAF 8 MP, f/2.2, 118° (ultrawide), 1/4.0", 1.12µm 5 MP, f/2.4, (macro) 2 MP, f/2.4, (depth) HDR, panorama
Video
2160p@30fps, 1080p@30fps	2160p@30fps, 1080p@30fps, gyro-EIS
Front Camera
32 MP, f/2.0, 25mm (wide) HDR 1080p@30fps [Similar]	8 MP, f/2.0, (wide), 1/4", 1.12µm HDR 1080p@30fps [Similar]

3.5mm Jack

Radio
FM radio	Wireless FM radio (no wired headphones required)
Games
Yes + Downloadable	Yes + Downloadable
Loud Speaker

GPRS
Yes	Yes
Edge
Yes	Yes
3G
HSPA, LTE-A	HSPA, LTE-A
Bluetooth
5.0, A2DP, LE	5.0, A2DP, LE
Wi-Fi
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot	Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot
USB
2.0, Type-C 1.0 reversible connector, USB On-The-Go	2.0, Type-C 1.0 reversible connector, USB On-The-Go
GPS
Yes, with A-GPS, GLONASS, GALILEO, BDS	Yes, with A-GPS, GLONASS, GALILEO, BDS
Browser
Yes	Yes

Internal
128 GB, 8 GB RAM or 128 GB, 6 GB RAM or 64 GB, 4 GB RAM	64 GB, 4 GB RAM or 32 GB, 3 GB RAM
Expandable Storage
microSD, up to 512 GB (dedicated slot)	microSDXC (dedicated slot)
USB OTG
Supported	Supported

Fingerprint

Proximity Sensor

Accelerometer Sensor

Magnetic-field Sensor (Compass)

Gyroscope Sensor

NFC

Type
Non-removable Li-Po Battery Fast battery charging 15W	Non-removable Li-Po Battery Fast battery charging 18W
Capacity
4000 mAh	5020 mAh
Stand by
-	-
Talk Time
-	-