Samsung Galaxy S21 vs Xiaomi Redmi Note 13 Specs Comparison

Availability

Officially announced
Jan 14, 2021	Jan 15, 2024
Prices (MSRP)
$800

Design

Dimensions
5.97 x 2.80 x 0.31 inches 151.7 x 71.2 x 7.9 mm	6.39 x 2.97 x 0.31 inches 162.24 x 75.55 x 7.97 mm
Folded
	188.5 inches
Weight
6.03 oz / 171.0 g Europe version - 169 g
Materials
Back: Plastic Frame: Aluminum
Resistance
Water, Dust; IP68	Yes; IP54
Biometrics
2D Face unlock, Ultrasonic in-screen fingerprint	Optical in-screen fingerprint
Keys
Right: Volume control, Lock/Unlock key
Colors
Phantom pink, Violet, Gray, White	Midnight Black, Mint Green, Ice Blue, Ocean Sunset

Display

Size
6.2-inch, 86.06% screen-to-body	6.7-inch, 87.72% screen-to-body
Type
Dynamic AMOLED, 120Hz, HDR, 1300 nits	AMOLED, 120Hz
Resolution
2400x1080px, 20:9 ratio, 424 PPI	2400x1080px, 20:9 ratio, 395 PPI
Protection
Corning Gorilla Glass Victus	Corning Gorilla Glass 3

PhoneArena Display Test

Bright Max (20% APL)
Untested	Untested
Bright Min
1.2 (Good)	2.4 (Average)

Learn more on our PhoneArena Display Test Results page.

Hardware

System chip
Snapdragon 888 (5 nm) Europe version - Exynos 2100 S5E9840	Snapdragon 685 SM6225-AD (6 nm)
Processor
Octa-core 1x2.84GHz Kryo 680 3x2.42GHz Kryo 680 4x1.80GHz Kryo 680 Europe version - Octa-core, 1x2.91GHz Cortex-X1, 3x2.81G​Hz Cortex-A78, 4x2.2G​Hz Cortex-A55	Octa-core 4x2.8GHz Cortex-A73 4x1.9G​Hz Cortex-A53
GPU
Adreno 660 Europe version - Mali-G78 MP14	Adreno 610
Memory
8GB (LPDDR5)/128GB (UFS 3.0) 8GB/256GB	6GB/128GB (UFS 2.2)
Storage expansion
not expandable	microSDXC up to 1024 GB
OS
Android (13, 12, 11)	Android (13)

PhoneArena Performance Test

GeekBench 6 Single
Untested	447
GeekBench 6 Multi
Untested	1471
3D Mark High
Untested	138
3D Mark Low
Untested	135

Learn more on our PhoneArena Performance Test Results page.

Battery

Type
4000 mAh, Li - Polymer	5000 mAh
Charging
Qualcomm Quick Charge 2.0, USB Power Delivery, Samsung Adaptive Fast Charging Qi and Powermat wireless charging, Reverse wireless charging	Fast charging
Charge speed
Wired: 25.0W Wireless: 15.0W	Wired: 33.0W

PhoneArena Battery Tests

Battery Life Estimate

4h 28min

Browsing

7h 47min

Video

7h 36min

Gaming

7h 9min

Battery Life Estimate

6h 58min

Browsing

14h 21min

Video

11h 44min

Gaming

8h 11min

Learn more on our PhoneArena Battery Test Results page

Camera

Rear
Triple camera	Triple camera
Main camera
12 MP (OIS, PDAF) Aperture size: F1.8 Focal length: 26 mm Sensor size: 1/1.76" Pixel size: 1.8 μm	108 MP (PDAF) Aperture size: F1.8
Second camera
12 MP (Ultra-wide, Autofocus) Aperture size: F2.2 Focal Length: 13 mm Sensor size: 1/2.55" Pixel size: 1.4 μm	8 MP (Ultra-wide) Aperture size: F2.2
Third camera
64 MP (Telephoto, OIS, PDAF) Aperture size: F2.0 Focal Length: 29 mm Sensor size: 1/1.7" Pixel size: 0.8 μm	2 MP (Macro) Aperture size: F2.4
Flash
LED	LED
Video recording
8K UHD (24 fps), 4K UHD (60 fps), 1080p (240 fps), 720p (960 fps) OIS, HDR, Hyperlapse, Continuous autofocus, Video light, EIS	Yes
Front
10 MP (PDAF, HDR) Video capture: 4K UHD (60 fps)	16 MP

Connectivity & Features

Bluetooth
5.0	5.1
WLAN
Wi-Fi 6,dual-band MIMO, Wi-Fi Direct, Hotspot 802.11 a, b, g, n, ac, ax	Yes Wi-Fi Direct, Hotspot 802.11 a, b, g, n, ac
USB
Type-C, USB 3.2	Type-C
Sensors
Accelerometer, Gyroscope, Compass, Hall (for flip covers), Barometer, Ambient light sensor, Proximity sensor	Accelerometer, Gyroscope, Ambient light sensor, Proximity sensor
Hearing aid compatible
M3/T3
Location
GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning	GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
Other
NFC, ANT+	NFC, Infrared

Multimedia

Headphones
No 3.5mm jack	3.5mm jack
Speakers
Earpiece, Multiple speakers	Earpiece, Multiple speakers
Features
32-Bit DAC, Dolby Atmos, aptX, Dolby Digital, Dolby Digital Plus	Dolby Atmos
Screen mirroring
	Wireless screen share
Additional microphone(s)
	Noise cancellation

Cellular

5G Bands
n2, n5, n12, n25, n41, n66, n71, n77, n260, n261, SA, NSA, Sub-6, mmWave
LTE Bands
1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 30, 66, 71	1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 26, 28, 66
TDD Bands
38, 39, 40, 41, 46, 48	38, 40, 41
3G Bands
1, 2, 4, 5, 8	1, 2, 4, 5, 6, 8, 19
Data Speed
LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s, UMTS	LTE-A, HSDPA+ (4G) 42.2 Mbit/s
Dual SIM
	Yes
SIM type
Nano SIM

Regulatory Approval

FCC approval
Date approved: Dec 08, 2020 FCC ID value: A3LSMG991U
Measured SAR
Head: 0.36 W/kg Body: 1.08 W/kg Simultaneous Transmission: 3.96 W/kg Wireless Router: 1.09 W/kg Phablet: 2.49 W/kg

Discover more

Full Specs Samsung Galaxy S21 Specs PA Review Samsung Galaxy S21 Review

Full Specs Xiaomi Redmi Note 13 Specs