Xiaomi Redmi Note 5 vs Samsung Galaxy A51 Specs Comparison

Availability

Officially announced
Feb 14, 2018	Dec 12, 2019
Prices (MSRP)
	$400

Design

Dimensions
6.24 x 2.97 x 0.32 inches 158.5 x 75.45 x 8.05 mm	6.24 x 2.90 x 0.31 inches 158.5 x 73.6 x 7.9 mm
Weight
6.35 oz / 180.0 g	6.07 oz / 172.0 g
Materials
Back: Metal	Back: Plastic Frame: Plastic
Biometrics
Fingerprint (touch)	2D Face unlock, Optical in-screen fingerprint
Keys
Right: Volume control, Lock/Unlock key	Right: Volume control, Lock/Unlock key
Colors
Black, Gold, Pink, Blue	Prism Crush black, Prism Crush white, Prism Crush pink, Prism Crush blue

Display

Size
6.0-inch, 77.44% screen-to-body	6.5-inch, 87.37% screen-to-body
Type
IPS LCD	Super AMOLED, 60Hz
Resolution
2160x1080px, 18:9 ratio, 403 PPI	2400x1080px, 20:9 ratio, 405 PPI
Colors
16 777 216
Protection
Corning Gorilla Glass	Corning Gorilla Glass 3

PhoneArena Display Test

Bright Max (20% APL)
Untested	Untested
Bright Min
Untested	1.7 (Good)

Learn more on our PhoneArena Display Test Results page.

Hardware

System chip
Snapdragon 625 8953 (14 nm)	Samsung Exynos 9611 (10 nm)
Processor
Octa-core 2000 MHz ARM Cortex-A53	Octa-core 2300 MHz 4x2.3GHz Cortex-A73 4x1.7G​Hz Cortex-A53
GPU
Adreno 506	Mali-G72 MP3
Memory
4GB (LPDDR3)/64GB 3GB/32GB	4GB (LPDDR4)/128GB 6GB/128GB
Storage expansion
microSDXC up to 128 GB	microSDXC up to 512 GB
OS
Android (7.1 Nougat)	Android (11, 10)

Battery

Type
4000 mAh	4000 mAh, Li - Polymer
Charging
	Fast charging

PhoneArena Battery Tests

Battery Life Estimate

Untested

Browsing

Untested

Video

Untested

Gaming

Untested

Battery Life Estimate

5h 22min

Browsing

11h 35min

Video

8h 35min

Gaming

6h 40min

Learn more on our PhoneArena Battery Test Results page

Camera

Rear
Single camera	Quad camera
Main camera
12 MP (PDAF) Aperture size: F2.2 Pixel size: 1.25 μm	48 MP (PDAF) Aperture size: F2.0 Focal length: 26 mm Sensor size: 1/2" Pixel size: 0.8 μm
Second camera
	12 MP (Ultra-wide) Aperture size: F2.2 Focal Length: 13 mm Pixel size: 1.12 μm
Third camera
	5 MP (Macro) Aperture size: F2.4 Focal Length: 40 mm
Fourth camera
	5 MP (Depth information) Aperture size: F2.2 Sensor size: 1/5" Pixel size: 1.12 μm
Flash
Dual LED	LED
Video recording
1080p (30 fps) Video calling, Video sharing	4K UHD (30 fps), 1080p (120 fps), 720p (240 fps) Hyperlapse, EIS
Front
5 MP (Flash) Video capture: 1080p	32 MP (HDR) Video capture: 1080p

Connectivity & Features

Bluetooth
4.2	5.0
WLAN
a,b,g,n Hotspot, Wi-Fi Direct 802.11 a, b, g, n	a,b,g,n,ac,dual-band Wi-Fi Direct, Hotspot 802.11 a, b, g, n, ac
USB
microUSB, USB 2.0	Type-C, USB 2.0
Sensors
Accelerometer, Gyroscope, Hall (for flip covers), Ambient light sensor, Proximity sensor	Accelerometer, Gyroscope, Compass, Hall (for flip covers), Ambient light sensor, Proximity sensor
Location
GPS, A-GPS, Glonass, BeiDou	GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
Other
VoIP, Tethering, Computer sync, OTA sync	NFC, ANT+

Multimedia

Headphones
3.5mm jack	3.5mm jack
Speakers
Earpiece, Loudspeaker	Earpiece, Loudspeaker
Features
Album art cover, Background playback	Dolby Atmos
Screen mirroring
Wireless screen share	Wireless screen share
Radio
FM	FM
Additional microphone(s)
Noise cancellation	Noise cancellation

Cellular

4G (FDD) Bands
1, 3, 5	1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 20, 25, 26, 28, 29, 30, 66, 71
4G (TDD) Bands
40, 41	38, 39, 41
3G Bands
5, 8, 2, 1	1, 2, 4, 5, 8
Data Speed
LTE, HSPA, HSUPA	LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
Dual SIM
Yes
SIM type
Nano SIM, Micro SIM	Nano SIM

Phone Features

Notifications
Haptic feedback, Music ringtones, Vibration, Flight mode, Silent mode, Speakerphone
Other features
Voice dialing, Voice commands, Voice recording

Regulatory Approval

FCC approval
	Date approved: Nov 28, 2019 FCC ID value: A3LSMA515FN
Measured SAR
	Head: 0.89 W/kg Body: 1.18 W/kg Simultaneous Transmission: 1.56 W/kg Wireless Router: 1.12 W/kg Phablet: 2.76 W/kg

Alternative variants

with 32 GB storage

Memory	3GB/32GB

with 128GB storage

Memory	6GB/128GB

for Verizon

4G (FDD) Bands	2, 3, 4, 5, 7, 13, 20, 28, 66
3G Bands	5, 8, 2, 1

for AT&T

4G (FDD) Bands	2, 4, 5, 12, 13, 25, 26, 66, 71
4G (TDD) Bands	41

for Sprint

4G (FDD) Bands	2, 4, 5, 12, 13, 25, 26, 66, 71
4G (TDD) Bands	41

for Europe

4G (FDD) Bands	1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 26, 28, 66
4G (TDD) Bands	38, 40, 41
Dual SIM	Yes

Discover more

Full Specs Xiaomi Redmi Note 5 Specs

Full Specs Samsung Galaxy A51 Specs PA Review Samsung Galaxy A51 Review