Xiaomi Redmi Note 8 2021 vs Samsung Galaxy Z Flip 3 Specs Comparison

Availability

Officially announced
May 24, 2021	Aug 11, 2021
Prices (MSRP)
	$999 | €1099

Design

Dimensions
6.23 x 2.96 x 0.33 inches 158.3 x 75.3 x 8.35 mm	6.54 x 2.84 x 0.27 inches (~0.33 inches with camera bump) 166 x 72.2 x 6.9 mm (~8.3 mm with camera bump)
Folded
	2.84 x3.40 x0.62 inches (72.2 x 86.4 x 15.9 mm)
Weight
6.70 oz / 190.0 g	6.46 oz / 183.0 g
Materials
Back: Glass Frame: Plastic	Back: Glass (Corning Gorilla Glass Victus) Frame: Aluminum
Resistance
	Dust; IPX8
Biometrics
Fingerprint (touch)	Fingerprint (touch)
Keys
Right: Volume control, Lock/Unlock key	Right: Volume control, Lock/Unlock key
Colors
Neptune Blue, Moonlight White, Space Black,	Phantom Black, Cream, Lavender

Display

Size
6.3-inch, 81.89% screen-to-body	6.7-inch, 84.79% screen-to-body
Type
IPS LCD, 60Hz	Dynamic AMOLED, 120Hz, HDR, 1200 nits
Resolution
2340x1080px, 19.5:9 ratio, 409 PPI	2636x1080px, 22:9 ratio, 425 PPI
Protection
Corning Gorilla Glass 5
Features
	Folding inside the device, HDR support, Ambient light sensor, Proximity sensor
Front cover display
	1.9 inches 260 x512 px AMOLED HDR support, Ambient light sensor, Proximity senso

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
MediaTek Helio G85 MT6769Z (12 nm)	Snapdragon 888 SM8350 (5 nm)
Processor
Octa-core 2000 MHz Cortex-A75	Octa-core 1x2.84GHz Kryo 680 3x2.42GHz Kryo 680 4x1.80GHz Kryo 680
GPU
Mali G52 MC2	Adreno 660
Memory
4GB (LPDDR4)/64GB (eMMC 5.1) 4GB/128GB	8GB (LPDDR5)/128GB (UFS 3.1) 8GB/256GB
Storage expansion
microSDXC up to 128 GB	not expandable
OS
Android (11)	Android (14, 13, 12, 11)

Battery

Type
4000 mAh, Li - Polymer	3300 mAh, Li - Polymer
Charging
Fast charging	Fast charging Qi wireless charging, Reverse wired charging
Charge speed
Wired: 18.0W	Wired: 15.0W Wireless: 10.0W

PhoneArena Battery Tests

Battery Life Estimate

Untested

Browsing

Untested

Video

Untested

Gaming

Untested

Battery Life Estimate

Untested

Browsing

10h 13min

Video

7h 10min

Gaming

Untested

Learn more on our PhoneArena Battery Test Results page

Camera

Rear
Quad camera	Dual camera
Main camera
48 MP (Autofocus) Aperture size: F1.8 Sensor size: 1/2" Pixel size: 0.8 μm	12 MP (OIS, Autofocus) Aperture size: F1.8 Focal length: 27 mm Sensor size: 1/2.55" Pixel size: 1.4 μm
Second camera
8 MP (Ultra-wide) Aperture size: F2.2 Sensor size: 1/4" Pixel size: 1.12 μm	12 MP (Ultra-wide) Aperture size: F2.2 Pixel size: 1.12 μm
Third camera
2 MP (Macro, Autofocus) Aperture size: F2.4 Pixel size: 1.75 μm
Fourth camera
2 MP (Depth information) Aperture size: F2.4 Pixel size: 1.75 μm
Flash
LED	LED
Video recording
1080p (30 fps), 720p (120 fps)	Yes HDR, Continuous autofocus, Picture-taking during video recording
Front
13 MP Video capture: 1080p	10 MP (Autofocus, HDR) Video capture: 4K UHD (30 fps)

Connectivity & Features

Bluetooth
5.2	5.1
WLAN
a,b,g,n,ac,dual-band Wi-Fi Direct, Hotspot 802.11 a, b, g, n, ac	a,b,g,n,ac Wi-Fi Direct, Hotspot 802.11 a, b, g, n, ac
USB
Type-C, USB 2.0	Type-C, USB 3.1
Sensors
Accelerometer, Gyroscope, Compass, Ambient light sensor, Proximity sensor	Accelerometer, Gyroscope, Compass, Hall (for flip covers), Barometer, Ambient light sensor, Proximity sensor
Hearing aid compatible
	M3/T4
Location
GPS, A-GPS, Glonass, Galileo, Cell ID, Wi-Fi positioning	GPS, A-GPS, Glonass, Galileo, BeiDou
Other
Infrared	NFC

Multimedia

Headphones
3.5mm jack	No 3.5mm jack
Speakers
Earpiece, Loudspeaker	Earpiece, Multiple speakers
Features
	aptX, aptX-HD
Screen mirroring
Wireless screen share	Wireless screen share
Additional microphone(s)
Noise cancellation	Noise cancellation

Cellular

5G Bands
	n2, n5, n25, n41, n66, n71, n260, n261, SA, NSA, Sub-6, mmWave
4G (FDD) Bands
1, 2, 3, 4, 5, 7, 8, 20, 28	1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 30, 66, 71
4G (TDD) Bands
38, 40	38, 39, 40, 41, 46, 48
3G Bands
1, 2, 4, 5, 8	1, 2, 4, 5, 8
Data Speed
LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSPA	LTE-A Pro Cat 20 (2000/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s
Dual SIM
Yes
SIM type
Nano SIM	Nano SIM
HD Voice
Yes
VoLTE
Yes

Regulatory Approval

FCC approval
	Date approved: Jun 23, 2021 FCC ID value: A3LSMF711U
Measured SAR
	Head: 1.05 W/kg Body: 1.08 W/kg Simultaneous Transmission: 1.59 W/kg Wireless Router: 1.21 W/kg

Alternative variants

With 128GB internal stotrage

Memory	128GB

With 256GB internal storage

Memory	256GB

With Dual SIM

Dual SIM	Yes
SIM type	Nano SIM, eSIM

Discover more

Full Specs Xiaomi Redmi Note 8 2021 Specs

Full Specs Samsung Galaxy Z Flip 3 Specs PA Review Samsung Galaxy Z Flip 3 Review