Samsung Galaxy S21 vs Xiaomi 13 Specs Comparison

Design

Dimensions
5.97 x 2.80 x 0.31 inches 151.7 x 71.2 x 7.9 mm	6.02 x 2.81 x 0.31 inches 152.8 x 71.5 x 7.98 mm
Weight
6.03 oz (171.0 g)	6.67 oz (189.0 g)
Materials
Back: Plastic Frame: Aluminum	Back: Glass Frame: Aluminum
Resistance
Water, Dust; IP68	Yes; IP68
Biometrics
2D Face unlock, Ultrasonic in-screen fingerprint	Optical in-screen fingerprint
Keys
Right: Volume control, Lock/Unlock key	Right: Volume control, Lock/Unlock key
Colors
Phantom pink, Violet, Gray, White	Black, Blue, White, Mint, Gray, Dark Blue, Red, Green, Yellow

Display

Size
6.2-inch	6.4-inch
Resolution
2400x1080px, 20:9 ratio, 424 PPI	2400x1080px, 20:9 ratio, 414 PPI
Technology
Dynamic AMOLED	OLED
Refresh rate
120Hz (adaptive)	120Hz
Screen-to-body
86.06 %	89.48 %
Peak brightness
1300 cd/m2 (nit)	1900 cd/m2 (nit)
Features
HDR support, Scratch-resistant glass (Corning Gorilla Glass Victus), Ambient light sensor, Proximity sensor	HDR support, Ambient light sensor, Proximity sensor

Hardware

System chip
Qualcomm Snapdragon 888 (5 nm)	Qualcomm Snapdragon 8 Gen 2 SM8550 (4 nm)
Processor
Octa-core 1x 2.84GHz Kryo 680 + 3x 2.42GHz Kryo 680 + 4x 1.80GHz Kryo 680	Octa-core 1x 3.2GHz Kryo Prime + 4x 2.8GHz Kryo Gold + 3x 2.0GHz Kryo Silve
GPU
Adreno 660	Adreno 740
RAM
8GB (LPDDR5)	8GB
Internal storage
128GB (UFS 3.0)	128GB
Storage expansion
not expandable	not expandable
OS
Android (13, 12, 11), Samsung One UI	Android (13)

Battery

Capacity
4000 mAh	4500 mAh
Type
Li - Polymer	Li - Polymer
Charging
Qualcomm Quick Charge 2.0, USB Power Delivery, Samsung Adaptive Fast Charging, Qi and Powermat wireless charging, Reverse wireless charging	Fast charging, Qi wireless charging, Reverse wireless charging
Charge speed
Wired: 25.0W Wireless: 15.0W	Wired: 67.0W Wireless: 50.0W

PhoneArena Battery Tests

Battery Life Estimate

4h 28min

Browsing

7h 47min

Video

7h 36min

Gaming

7h 9min

Battery Life Estimate

Untested

Browsing

Untested

Video

Untested

Gaming

Untested

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	50 MP (OIS, Laser and PDAF) Aperture size: F1.8 Focal length: 23 mm Sensor size: 1/1.49" Pixel size: 1.0 μm
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	12 MP (Ultra-wide) Aperture size: F2.2 Focal Length: 15 mm Sensor size: 1/3.06" Pixel size: 1.2 μm
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	10 MP (Telephoto, OIS, PDAF) Optical zoom: 3.2x Aperture size: F2.0 Focal Length: 75 mm Pixel size: 1.0 μm
Flash
LED	Dual LED
Video recording
7680x4320 (8K UHD) (24 fps), 3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (240 fps), 1280x720 (HD) (960 fps) OIS, HDR, Hyperlapse, Continuous autofocus, Video light, EIS	Yes
Front
10 MP (PDAF, HDR), Video capture: 3840x2160 (4K UHD) (60 fps)	32 MP (HDR)

Connectivity & Features

Bluetooth
5.0	5.3
WLAN
802.11 a,b,g,n,ac,ax(Wi-Fi 6),dual-band MIMO, Wi-Fi Direct, Hotspot	802.11 a,b,g,n,ac,ax(Wi-Fi 6) Wi-Fi Direct, Hotspot
USB
Type-C, USB 3.2	Type-C, USB 2.0
Hearing aid compatible
M3/T3
Location
GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning	GPS, A-GPS, Glonass, Galileo, BeiDou, QZSS, NavIC, Cell ID, Wi-Fi positioning
Sensors
Accelerometer, Gyroscope, Compass, Hall (for flip covers), Barometer	Accelerometer, Gyroscope, Compass
Other
NFC, ANT+	NFC, Infrared

Multimedia

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

Cellular

5G
Bands n2, n5, n12, n25, n41, n66, n71, n77, n260, n261, SA, NSA, Sub-6, mmWave	Bands n1, n3, n5, n8, n28, n38, n40, n41, n77, n78, SA, NSA
4G (FDD)
Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 13(700 c), 14(700 PS), 18(800 Lower), 19(800 Upper), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 30(2300 WCS), 66(AWS-3), 71(600)	Bands 1(2100), 3(1800), 4(AWS-1), 5(850), 8(900), 18(800 Lower), 19(800 Upper), 26(850+)
4G (TDD)
Bands 38(2600), 39(1900+), 40(2300), 41(2600+), 46, 48(3600)	Bands 34(2000), 38(2600), 39(1900+), 40(2300), 41(2600+), 42(3500)
3G
Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900)	Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 6(800), 8(900)
Data Speed
LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s, UMTS	LTE-A, HSDPA+ (4G) 42.2 Mbit/s
SIM type
Nano SIM	Dual 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

Buyers information

MSRP
$ 800
In The Box
C to C Data Cable, Ejection Pin

Availability

Officially announced
Jan 14, 2021	Dec 11, 2022

Alternative variants

with 256GB storage

Internal storage	256GB

With technology nano skin back

Dimensions	6.02 x 2.81 x 0.32 inches 152.8 x 71.5 x 8.1mm
Weight	6.53 oz (185.0 g)

for Europe

System chip	Samsung Exynos 2100 (5 nm)
Processor	Octa-core 2900 MHz 1x 2.91GHz Cortex-X1 + 3x 2.81GHz Cortex-A78 + 4x 2.2GHz Cortex-A55
GPU	Mali G78 MP14
Weight	5.96 oz (169.0 g)
5G	Bands SA, NSA, Sub-6
FCC approval	Date approved: Dec 18, 2020 FCC ID value: A3LSMG991B
Measured SAR	Head: 0.42 W/kg Body: 0.94 W/kg Simultaneous Transmission: 3.96 W/kg Wireless Router: 1.34 W/kg Phablet: 2.37 W/kg

With 256GB internal storage

Internal storage	256GB

With 12GB RAM and 256GB internal storage

RAM	12GB
Internal storage	256GB

With 12GB RAM and 512GB internal storage

RAM	12GB
Internal storage	512GB

Links

Full specifications
Samsung Galaxy S21 Specs	Xiaomi 13 Specs
PhoneArena Review
Samsung Galaxy S21 Review
User Reviews
Samsung Galaxy S21 User Reviews	Xiaomi 13 User Reviews