Samsung Galaxy S21 vs Xiaomi 13 Specs Comparison

Availability

Officially announced
Jan 14, 2021	Dec 11, 2022
Prices (MSRP)
$800

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, 86.06% screen-to-body	6.4-inch, 89.48% screen-to-body
Type
Dynamic AMOLED, 120Hz, HDR, 1300 nits	OLED, 120Hz, HDR, 1900 nits
Resolution
2400x1080px, 20:9 ratio, 424 PPI	2400x1080px, 20:9 ratio, 414 PPI
Protection
Corning Gorilla Glass Victus

PhoneArena Display Test

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

Learn more on our PhoneArena Display Test Results page.

Hardware

System chip
Snapdragon 888 (5 nm)	Snapdragon 8 Gen 2 SM8550 (4 nm)
Processor
Octa-core 1x2.84GHz Kryo 680 3x2.42GHz Kryo 680 4x1.80GHz Kryo 680	Octa-core 1x3.2GHz Kryo Prime 4x2.8GHz Kryo Gold 3x2.0GHz Kryo Silve
GPU
Adreno 660	Adreno 740
Memory
8GB (LPDDR5)/128GB (UFS 3.0) 8GB/256GB	8GB/128GB 8GB/256GB 12GB/256GB 12GB/512GB
Storage expansion
not expandable	not expandable
OS
Android (13, 12, 11)	Android (13)

Battery

Type
4000 mAh, Li - Polymer	4500 mAh, 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
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)	32 MP (HDR)

Connectivity & Features

Bluetooth
5.0	5.3
WLAN
a,b,g,n,ac,Wi-Fi 6,dual-band MIMO, Wi-Fi Direct, Hotspot 802.11 a, b, g, n, ac, ax	a,b,g,n,ac,Wi-Fi 6 Wi-Fi Direct, Hotspot 802.11 a, b, g, n, ac, ax
USB
Type-C, USB 3.2	Type-C, USB 2.0
Sensors
Accelerometer, Gyroscope, Compass, Hall (for flip covers), Barometer, Ambient light sensor, Proximity sensor	Accelerometer, Gyroscope, Compass, 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, QZSS, NavIC, Cell ID, Wi-Fi positioning
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

Cellular

5G Bands
n2, n5, n12, n25, n41, n66, n71, n77, n260, n261, SA, NSA, Sub-6, mmWave	n1, n3, n5, n8, n28, n38, n40, n41, n77, n78, SA, NSA
4G (FDD) Bands
1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 30, 66, 71	1, 3, 4, 5, 8, 18, 19, 26
4G (TDD) Bands
38, 39, 40, 41, 46, 48	34, 38, 39, 40, 41, 42
3G Bands
1, 2, 4, 5, 8	1, 2, 4, 5, 6, 8
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

Alternative variants

with 256GB storage

Memory	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 1x2.91GHz Cortex-X1 3x2.81G​Hz Cortex-A78 4x2.2G​Hz 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

Memory	256GB

With 12GB RAM and 256GB internal storage

Memory	12GB/256GB

With 12GB RAM and 512GB internal storage

Memory	12GB/512GB

Discover more

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

Full Specs Xiaomi 13 Specs