Xiaomi Mi 9 vs Samsung Galaxy S23 Specs Comparison

Availability

Officially announced
Feb 20, 2019	Feb 01, 2023
Prices (MSRP)
	$800

Design

Dimensions
6.20 x 2.94 x 0.30 inches 157.5 x 74.67 x 7.61 mm	5.76 x 2.79 x 0.30 inches (~0.36 inches with camera bump) 146.3 x 70.9 x 7.6mm (~9.02 mm with camera bump)
Weight
6.10 oz / 173.0 g	5.93 oz / 168.0 g
Materials
Back: Glass (Corning Gorilla Glass 5) Frame: Metal	Back: Glass (Corning Gorilla Glass Victus 2) Frame: Aluminum
Resistance
	Water, Dust; IP68
Biometrics
Optical in-screen fingerprint	2D Face unlock, Ultrasonic in-screen fingerprint
Keys
	Right: Volume control, Lock/Unlock key
Colors
Black, Purple, Blue	Phantom Black, Cream, Green, Lavender

Display

Size
6.4-inch, 85.23% screen-to-body	6.1-inch, 88.57% screen-to-body
Type
AMOLED, HDR, 600 nits	Super AMOLED, 120Hz, HDR, 1750 nits
Resolution
2340x1080px, 19.5:9 ratio, 403 PPI	2340x1080px, 19.5:9 ratio, 422 PPI
Protection
Corning Gorilla Glass 6	Corning Gorilla Glass Victus 2
Features
HDR support, Oleophobic coating, Scratch-resistant glass, Ambient light sensor, Proximity sensor

PhoneArena Display Test

Bright Max (20% APL)
Untested	1531 (Good)
Bright Min
2 (Good)	0.9 (Excellent)

Learn more on our PhoneArena Display Test Results page.

Hardware

System chip
Snapdragon 855 (7 nm)	Snapdragon 8 Gen 2 SM8550-AC (4 nm)
Processor
Octa-core 2840 MHz Kryo 485	Octa-core 1x3.36GHz Kryo Prime 4x2.8GHz Kryo Gold 3x2.0GHz Kryo Silve
GPU
Adreno 640	Adreno 740
Memory
6GB (LPDDR4)/128GB 6GB/64GB 12GB/256GB	8GB (LPDDR5X)/128GB (UFS 4.0) 8GB/256GB
Storage expansion
not expandable	not expandable
OS
Android (9.0 Pie)	Android (14, 13)

PhoneArena Performance Test

GeekBench 6 Single
Untested	2023
GeekBench 6 Multi
Untested	5180
3D Mark High
Untested	3807
3D Mark Low
Untested	2079

Learn more on our PhoneArena Performance Test Results page.

Battery

Type
3300 mAh	3900 mAh, Li - Ion
Charging
Qualcomm Quick Charge 4+ Qi wireless charging	Fast charging Qi wireless charging, Reverse wireless charging
Charge speed
	Wired: 25.0W Wireless: 10.0W

PhoneArena Battery Tests

Battery Life Estimate

Untested

Browsing

Untested

Video

Untested

Gaming

Untested

Battery Life Estimate

6h 3min

Browsing

15h 21min

Video

8h 6min

Gaming

8h 1min

Learn more on our PhoneArena Battery Test Results page

Camera

Rear
Triple camera	Triple camera
Main camera
48 MP (Sapphire crystal lens cover, Laser and PDAF, CMOS image sensor) Aperture size: F1.8 Focal length: 26 mm Sensor size: 1/2" Pixel size: 0.8 μm	50 MP (OIS, PDAF) Sensor name: Samsung ISOCELL Aperture size: F1.8 Focal length: 23 mm Sensor size: 1/1.56" Pixel size: 1.0 μm
Second camera
12 MP (Telephoto, Sapphire crystal lens cover, PDAF) Optical zoom: 2.0x Aperture size: F2.2 Focal Length: 50 mm Sensor size: 1/3.4" Pixel size: 1 μm	12 MP (Ultra-wide) Sensor name: Sony IMX564 Aperture size: F2.2 Focal Length: 13 mm Sensor size: 1/2.55" Pixel size: 1.4 μm
Third camera
16 MP (Ultra-wide, Sapphire crystal lens cover, PDAF) Aperture size: F2.2 Focal Length: 17 mm Sensor size: 1/3" Pixel size: 1 μm	12 MP (Telephoto, OIS) Sensor name: Samsung S5K3K1 Optical zoom: 3.0x Aperture size: F2.4 Focal Length: 64 mm Sensor size: 1/3.94" Pixel size: 1.0 μm
Flash
Dual LED	Dual LED
Video recording
4K UHD (60 fps), 1080p (960 fps), 720p (960 fps) Continuous autofocus, EIS, Video calling, Video sharing	8K UHD (30 fps), 4K UHD (60 fps), 1080p (960 fps) OIS, HDR
Front
20 MP (HDR) Video capture: 1080p	12 MP Video capture: 4K UHD (60 fps)

PhoneArena Camera Tests

N/A

Overall

N/A

Photo

N/A

Video

137

Overall

139

Photo

134

Video

Learn more on our PhoneArena Camera Test Results page

Connectivity & Features

Bluetooth
5.0	5.3
WLAN
a,b,g,n,ac,dual-band MIMO, Wi-Fi Direct, Hotspot 802.11 a, b, g, n, ac	a,b,g,n,ac,Wi-Fi 6,Wi-Fi 6E Wi-Fi Direct, Hotspot 802.11 a, b, g, n, ac, ax
USB
Type-C, USB 2.0	Type-C
Sensors
Accelerometer, Gyroscope, Compass, Ambient light sensor, Proximity sensor	Accelerometer, Gyroscope, Compass, Ambient light sensor, Proximity sensor
Location
GPS, A-GPS, Glonass, Galileo, BeiDou	GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
Other
NFC, Infrared, VoIP, Tethering, Computer sync, OTA sync	NFC, Ultra Wideband (UWB)

Multimedia

Headphones
No 3.5mm jack	No 3.5mm jack
Speakers
Earpiece, Loudspeaker	Earpiece, Multiple speakers
Features
aptX-HD
Screen mirroring
Wireless screen share

Cellular

5G Bands
	n1, n7, n25, n28, n41, n66, n71, n78, n258, n260, n261, SA, NSA, Sub-6, mmWave, 5G Ready
4G (FDD) Bands
1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 28	1, 2, 3, 4, 5, 7, 8, 12, 13, 20, 25, 26, 28, 66, 71
4G (TDD) Bands
38, 39, 40	38, 39, 40, 41, 46, 48
3G Bands
5, 8, 4, 2, 1	1, 2, 4, 5, 8
Data Speed
LTE-A, HSPA, HSUPA	LTE-A, HSDPA+ (4G) 42.2 Mbit/s
Dual SIM
Yes
SIM type
Nano SIM	Dual Nano SIM + eSIM
HD Voice
Yes
VoLTE
Yes

Phone Features

Notifications
Haptic feedback, Music ringtones, Vibration
Other features
Voice dialing, Voice commands, Voice recording

Regulatory Approval

FCC approval
	Date approved: Jan 17, 2023 FCC ID value: A3LSMS911U
Measured SAR
	Head: 0.95 W/kg Body: 0.88 W/kg Simultaneous Transmission: 1.58 W/kg Wireless Router: 1.24 W/kg

Alternative variants

with 64 GB storage

Memory	64GB

With 256GB internal storage

Memory	256GB
Prices (MSRP)	$860

Explorer Edition

Memory	12GB/256GB

International

5G Bands	n1, n2, n3, n5, n7, n8, n12, n20, n25, n28, n38, n40, n41, n66, n75, n77, n78, SA, NSA, Sub-6
4G (FDD) Bands	1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 66
4G (TDD) Bands	38, 39, 40, 41

Discover more

Full Specs Xiaomi Mi 9 Specs PA Review Xiaomi Mi 9 Review

Full Specs Samsung Galaxy S23 Specs PA Review Samsung Galaxy S23 Review