Samsung Galaxy S23 Ultra vs Xiaomi 15 Specs Comparison

Compare mobile phone specifications of up to three devices at once. Our specs comparison tool helps you find and compare the perfect phone for your needs.

7.1	7.3
Samsung Galaxy S23 Ultra	Xiaomi 15
Released · Feb 17, 2023	Released · Oct 29, 2024
6.8-inch · 3088x1440px	6.4-inch · 2670x1200px
Quad camera	Triple camera
8GB · 256GB	12GB · 256GB
5000 mAh	5240 mAh
Check prices	Check prices

Availability

Officially announced
Feb 01, 2023
Prices (MSRP)
$1200 \| €1300	€999

Design

Dimensions
6.43 x 3.07 x 0.35 inches (~0.42 inches with camera bump) 163.3 x 78 x 8.9 mm (~10.68 mm with camera bump)	6.00 x 2.80 x 0.32 inches 152.3 x 71.2 x 8.08 mm
Weight
8.25 oz (234.0 g)	6.67 oz (189.0 g)
Materials
Back: Glass (Corning Gorilla Glass Victus 2) Frame: Aluminum	Back: Glass
Resistance
Water, Splash, Dust; IP68	Yes; IP68
Biometrics
2D Face unlock, Ultrasonic in-screen fingerprint	Ultrasonic in-screen fingerprint
Features
Stylus
Keys
Right: Volume control, Lock/Unlock key	Right: Volume control, Lock/Unlock key
Colors
Phantom Black, Cream, Green, Lavender

Display

Size
6.8-inch, 89.87% screen-to-body	6.4-inch, 90.03% screen-to-body
Type
Dynamic AMOLED, 120Hz, HDR, 1750 nits	OLED, 120Hz, HDR, 3200 nits
Resolution
3088x1440px, 19.3:9 ratio, 501 PPI	2670x1200px, 20:9 ratio, 460 PPI
Protection
Corning Gorilla Glass Victus 2
Features
	HDR support, Dolby Vision

Hardware

System chip
Snapdragon 8 Gen 2 SM8550 (4 nm)	Snapdragon 8 Elite SM8750-AB (3 nm)
Processor
Octa-core 1x3.36GHz Kryo Prime 4x2.8GHz Kryo Gold 3x2.0GHz Kryo Silve	Octa-core 2x4.32GHz Prime cores 6x3.53GHz Performance core
GPU
Adreno 740	Adreno 830
Memory
8GB (LPDDR5X)/256GB (UFS 4.0) 12GB/256GB 12GB/512GB 12GB/1024GB	12GB/256GB (UFS 4.0) 12GB/512GB 16GB/512GB 16GB/1024GB
Storage expansion
not expandable	not expandable
OS
Android (14, 13)	Android (14)

Battery

Type
5000 mAh, Li - Ion	5240 mAh
Charging
Fast charging Qi wireless charging, Reverse wireless charging	Fast charging Qi wireless charging, Reverse wireless charging
Charge speed
Wired: 45.0W Wireless: 15.0W	Wired: 90.0W Wireless: 50.0W

Battery Life Estimate

7h 17min

Browsing

18h 57min

Video

8h 54min

Gaming

10h 59min

Battery Life Estimate

7h 18min

Browsing

17h 6min

Video

9h 49min

Gaming

11h 38min

Camera

Rear
Quad camera	Triple camera
Main camera
200 MP (OIS, PDAF) Sensor name: Samsung ISOCELL HP2 Aperture size: F1.7 Focal length: 24 mm Sensor size: 1/1.3" Pixel size: 0.6 μm	50 MP (OIS, Laser and PDAF) Aperture size: F1.6 Focal length: 23 mm
Second camera
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	50 MP (Telephoto, Periscope, OIS) Optical zoom: Yes Aperture size: F2.2
Third camera
10 MP (Telephoto) Sensor name: Sony IMX754 Optical zoom: 10.0x Aperture size: F4.9 Focal Length: 230 mm Sensor size: 1/3.52" Pixel size: 1.12 μm	50 MP (Telephoto, Periscope, OIS) Optical zoom: Yes Aperture size: F2.0 Focal Length: 60 mm
Fourth camera
10 MP (Telephoto, OIS) Sensor name: Sony IMX754 Optical zoom: 3.0x Aperture size: F2.4 Focal Length: 69 mm Sensor size: 1/3.52" Pixel size: 1.12 μm
Flash
LED	Dual LED
Video recording
8K UHD (30 fps), 4K UHD (60 fps), 1080p (960 fps) OIS, HDR	8K UHD (30 fps), 4K UHD (60 fps), 1080p (960 fps)
Front
12 MP (PDAF) Video capture: 4K UHD (60 fps)	32 MP Video capture: 4K UHD (60 fps)

147

Overall

150

Photo

144

Video

146

Overall

153

Photo

138

Video

Connectivity & Features

Bluetooth
5.3	5.4
WLAN
a,b,g,n,ac,Wi-Fi 6,Wi-Fi 6E Wi-Fi Direct, Hotspot 802.11 a, b, g, n, ac, ax	a,b,g,n,ac,Wi-Fi 6,Wi-Fi 6E,Wi-Fi 7 Wi-Fi Direct, Hotspot 802.11 a, b, g, n, ac, ax
USB
Type-C, USB 3.2	Type-C, USB 3.2
Sensors
Accelerometer, Gyroscope, Compass, Barometer, Ambient light sensor, Proximity sensor	Accelerometer, Gyroscope, Compass, Barometer
Hearing aid compatible
M3/T4
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, Ultra Wideband (UWB)	NFC, Infrared

Multimedia

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

Cellular

5G Bands
n1, n7, n28, n41, n66, n71, n78, n258, n260, n261, SA, NSA, Sub-6, mmWave	n1, n3, n5, n7, n8, n28, n38, n40, n41, n48, n66, n77, n78, n79, SA, NSA
4G (FDD) Bands
1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 29, 30, 66, 71	1, 3, 4, 5, 7, 8, 18, 19, 26, 28, 66
4G (TDD) Bands
38, 39, 40, 41, 46, 48	34, 38, 39, 40, 41, 42, 48
3G Bands
1, 2, 4, 5, 8	1, 2, 4, 5, 6, 8
Data Speed
LTE-A, HSDPA+ (4G) 42.2 Mbit/s
SIM type
Dual Nano SIM + eSIM	Dual Nano SIM + eSIM

Regulatory Approval

FCC approval
Date approved: Dec 08, 2023 FCC ID value: A3LSMS918U
Measured SAR
Head: 1.12 W/kg Body: 0.92 W/kg Simultaneous Transmission: 1.58 W/kg Wireless Router: 1.16 W/kg

Alternative variants

With 12GB RAM


Memory	12GB

With 512GB internal storage


Memory	512GB

With 12GB RAM and 512GB internal storage


Memory	12GB/512GB
Prices (MSRP)	$1450 \| €1589

With 16GB RAM and 512GB internal storage


Memory	16GB/512GB

With 12GB RAM and 1TB internal storage


Memory	12GB/1024GB
Prices (MSRP)	$1649 \| €1749

With 16GB RAM and 1TB internal storage


Memory	16GB/1024GB

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

Links

Full specifications
Samsung Galaxy S23 Ultra Specs	Xiaomi 15 Specs
PhoneArena Review
Samsung Galaxy S23 Ultra Review	Xiaomi 15 Review
User Reviews
Samsung Galaxy S23 Ultra User Reviews