Samsung Galaxy S23 Ultra vs Xiaomi 15 Ultra 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	7.4
Samsung Galaxy S23 Ultra	Xiaomi 15 Ultra
Released · Feb 17, 2023	Released · Feb 27, 2025
6.8-inch · 3088x1440px	6.7-inch · 3200x1440px
200 MP Main · 12 MP Selfie	50 MP Main · 32 MP Selfie
8GB · 256GB	16GB · 512GB
5000 mAh	6000 mAh
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Display

Size
6.8-inch	6.7-inch
Resolution
3088x1440px, 19.3:9 ratio, 501 PPI	3200x1440px, 20:9 ratio, 521 PPI
Technology
Dynamic AMOLED	AMOLED
Refresh rate
120Hz	120Hz
Screen-to-body
89.87 %	90.18 %
Peak brightness
1750 cd/m2 (nit)	3000 cd/m2 (nit)
Features
HDR support, Scratch-resistant glass (Corning Gorilla Glass Victus 2), Ambient light sensor, Proximity sensor	HDR support, Dolby Vision, Scratch-resistant glass (Xiaomi Shield Glass 2.0), Ambient light sensor, Proximity sensor

Hardware

System chip
Qualcomm Snapdragon 8 Gen 2 SM8550 (4 nm)	Qualcomm Snapdragon 8 Elite SM8750-AB (4 nm)
Processor
Octa-core 1x3.36GHz Kryo Prime 4x2.8GHz Kryo Gold 3x2.0GHz Kryo Silve	Octa-core 2x 4.32GHz Oryon V2 Phoenix L + 6x 3.53GHz Oryon V2 Phoenix M 64-bit
GPU
Adreno 740	Adreno 830
RAM
8GB (LPDDR5X)	16GB (LPDDR5X)
Internal storage
256GB (UFS 4.0), not expandable	512GB (UFS 4.1), not expandable
OS
Android (14, 13), One UI	Android (15)

Battery

Capacity
5000 mAh	6000 mAh
Type
Li - Ion, Not user replaceable	Si - Carbon, Not user replaceable
Charging
Fast charging, Qi wireless charging, Reverse wireless charging	Fast charging, Qi wireless charging, Reverse wireless charging
Max charge speed
Wired: 45.0W Wireless: 15.0W	Wired: 90.0W Wireless: 80.0W

Battery Life Estimate

7h 17min

Browsing

18h 57min

Video

8h 54min

Gaming

10h 59min

Battery Life Estimate

7h 33min

Browsing

16h 39min

Video

10h 11min

Gaming

13h 29min

Camera

Rear
Quad camera	Quad camera
Main camera
200 MP (OIS, PDAF) Aperture size: F1.7 Focal length: 24 mm Sensor size: 1/1.3" Pixel size: 0.6 μm	50 MP (Autofocus, Laser and PDAF) Aperture size: F1.6 Focal length: 23 mm Sensor size: 1" Pixel size: 1.6 μm
Second camera
12 MP (Ultra-wide) Aperture size: F2.2 Focal Length: 13 mm Sensor size: 1/2.55" Pixel size: 1.4 μm	50 MP (Ultra-wide, PDAF) Aperture size: F2.2 Focal Length: 14 mm Sensor size: 1/2.76" Pixel size: 0.64 μm
Third camera
10 MP (Telephoto) 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) Optical zoom: 3.2x Aperture size: F1.8 Focal Length: 75 mm Sensor size: 1/2.51" Pixel size: 0.7 μm
Fourth camera
10 MP (Telephoto, OIS) Optical zoom: 3.0x Aperture size: F2.4 Focal Length: 69 mm Sensor size: 1/3.52" Pixel size: 1.12 μm	200 MP (Telephoto, Periscope, OIS, PDAF) Optical zoom: 4.3x Aperture size: F2.6 Focal Length: 100 mm Sensor size: 1/1.4" Pixel size: 0.56 μm
Fifth camera
	ToF 3D depth sensing
Flash
LED	Dual LED
Video recording
7680x4320 (8K UHD) (30 fps), 3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (960 fps) OIS, HDR	7680x4320 (8K UHD) (30 fps), 3840x2160 (4K UHD) (120 fps), 1920x1080 (Full HD) (1920 fps)
Front
12 MP (PDAF), Video capture: 3840x2160 (4K UHD) (60 fps)	32 MP, Video capture: 3840x2160 (4K UHD) (60 fps)

147

Overall

150

Photo

144

Video

158

Overall

165

Photo

150

Video

Design

Dimensions
6.43 x 3.07 x 0.35 inches (163.3 x 78 x 8.9 mm) thickness with camera 0.42 inches (10.68 mm)	6.35 x 2.96 x 0.37 inches (161.3 x 75.3 x 9.4 mm) thickness with camera 0.42 inches (10.7 mm)
Weight
8.25 oz(234.0 g)
Materials
Back: Glass (Corning Gorilla Glass Victus 2) Frame: Aluminum
Resistance
Water, Splash, Dust; IP68	Water, Dust; 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	Black, White, Silver Chrome, Green

Cellular

5G
Bands n1, n7, n28, n41, n66, n71, n78, n258, n260, n261, SA, NSA, Sub-6, mmWave	Bands n1, n2, n3, n5, n7, n8, n12, n20, n25, n26, n28, n34, n38, n39, n40, n41, n48, n66, n71, n75, n77, n78, n79, SA, NSA, Sub-6
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), 29(700 d), 30(2300 WCS), 66(AWS-3), 71(600)	Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 13(700 c), 17(700 b), 18(800 Lower), 19(800 Upper), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 32(1500 L-band), 66(AWS-3), 71(600)
4G (TDD)
Bands 38(2600), 39(1900+), 40(2300), 41(2600+), 46, 48(3600)	Bands 38(2600), 39(1900+), 40(2300), 41(2600+), 42(3500), 48(3600)
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	LTE-A, HSDPA+ (4G) 42.2 Mbit/s
SIM type
Dual Nano SIM + eSIM	Dual Nano SIM + eSIM

Multimedia

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

Connectivity & Features

Bluetooth
5.3	6.0
Wi-Fi
802.11 a,b,g,n,ac,ax(Wi-Fi 6),Wi-Fi 6E Wi-Fi Direct, Hotspot	802.11 a,b,g,n,ac,ax(Wi-Fi 6),Wi-Fi 6E,Wi-Fi 7,tri-band Wi-Fi Direct, Hotspot
USB
Type-C (reversible), USB 3.2, Features: Charging, OTG	Type-C (reversible), USB 3.2, Features: Charging, OTG, Video out
Hearing aid compatible
M3/T4
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, Emergency SOS via satellite (SMS sending/receiving)
Sensors
Accelerometer, Gyroscope, Compass, Barometer	Accelerometer, Gyroscope, Compass, Barometer
Other
NFC, Ultra Wideband (UWB)	NFC, Infrared

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

Buyers information

MSRP
$ 1200 / € 1300	€ 1500
In The Box
USB-C cable, SIM Tray ejector, Paperwork

Availability

Officially announced
Feb 01, 2023	Feb 27, 2025

Alternative variants

With 12GB RAM


RAM	12GB

With 16GB RAM and 512GB internal storage


RAM	16GB
Internal storage	512GB

With 12GB RAM and 512GB internal storage


RAM	12GB
Internal storage	512GB
MSRP	$ 1450 / € 1589

With 16GB RAM and 1TB internal storage


RAM	16GB
Internal storage	1024GB

With 12GB RAM and 1TB internal storage


RAM	12GB
Internal storage	1024GB
MSRP	$ 1649 / € 1749

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(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 13(700 c), 17(700 b), 18(800 Lower), 19(800 Upper), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 32(1500 L-band), 66(AWS-3)
4G (TDD)	Bands 38(2600), 39(1900+), 40(2300), 41(2600+)

Links

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