Samsung Galaxy S25 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.

8.0	7.4
Samsung Galaxy S25 Ultra	Xiaomi 15 Ultra
Released · Feb 07, 2025	Released · Feb 27, 2025
6.9-inch · 3120x1440px	6.7-inch · 3200x1440px
Quad camera	Quad camera
12GB · 256GB	16GB · 512GB
5000 mAh	6000 mAh
Check prices	Check prices

Design

Dimensions
6.41 x 3.06 x 0.32 inches (~0.36 inches with camera bump) 162.8 x 77.6 x 8.2 mm (~9.1 mm with camera bump)	6.35 x 2.96 x 0.37 inches (~0.42 inches with camera bump) 161.3 x 75.3 x 9.4 mm (~10.7 mm with camera bump)
Weight
7.69 oz (218.0 g)
Materials
Back: Glass (Corning Gorilla Glass Armor 2) Frame: Titanium
Resistance
Water, Dust; IP68	Water, Dust; IP68
Biometrics
Ultrasonic in-screen fingerprint	Ultrasonic in-screen fingerprint
Features
Stylus
Keys
Right: Volume control, Lock/Unlock key	Right: Volume control, Lock/Unlock key
Colors
Titanium Silverblue, Titanium Black, Titanium Whitesilver, Titanium Gray	Black, White, Silver Chrome, Green

Display

Size
6.9-inch	6.7-inch
Resolution
3120x1440px, 19.5:9 ratio, 498 PPI	3200x1440px, 20:9 ratio, 521 PPI
Technology
Dynamic AMOLED	AMOLED
Refresh rate
120Hz	120Hz
Screen-to-body
90.30 %	90.18 %
Peak brightness
2600 cd/m2 (nit)	3000 cd/m2 (nit)
Features
HDR support, Scratch-resistant glass (Corning Gorilla Glass Armor 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 Elite for Galaxy SM8750-AB (3 nm)	Qualcomm Snapdragon 8 Elite SM8750-AB (4 nm)
Processor
Octa-core 2x 4.47GHz Oryon V2 Phoenix L + 6x 3.53GHz Oryon V2 Phoenix M	Octa-core 2x 4.32GHz Oryon V2 Phoenix L + 6x 3.53GHz Oryon V2 Phoenix M
GPU
Adreno 830	Adreno 830
RAM
12GB (LPDDR5X)	16GB (LPDDR5X)
Internal storage
256GB (UFS 4.0)	512GB (UFS 4.1)
Storage expansion
not expandable	not expandable
OS
Android (15), One UI	Android (15)

Battery

Capacity
5000 mAh	6000 mAh
Type
Li - Ion	Si - Carbon
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: 80.0W

Battery Life Estimate

8h 0min

Browsing

20h 49min

Video

8h 54min

Gaming

14h 21min

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, Laser and 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
50 MP (Ultra-wide, PDAF) Aperture size: F1.9 Pixel size: 0.7 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, OIS, PDAF) Optical zoom: 3.0x Aperture size: F2.4 Focal Length: 67 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
50 MP (Telephoto, Periscope, OIS, PDAF) Optical zoom: 5.0x Aperture size: F3.4 Focal Length: 111 mm Sensor size: 1/2.52" Pixel size: 0.7 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) (120 fps), 1920x1080 (Full HD) (240 fps) HDR, Continuous autofocus, Picture-taking during video recording	7680x4320 (8K UHD) (30 fps), 3840x2160 (4K UHD) (120 fps), 1920x1080 (Full HD) (1920 fps)
Front
12 MP (PDAF, HDR), Video capture: 3840x2160 (4K UHD) (60 fps)	32 MP, Video capture: 3840x2160 (4K UHD) (60 fps)

158

Overall

165

Photo

150

Video

158

Overall

165

Photo

150

Video

Connectivity & Features

Bluetooth
5.4	6.0
Wi-Fi
802.11 a,b,g,n,ac,ax(Wi-Fi 6),Wi-Fi 6E,Wi-Fi 7 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, USB 3.2	Type-C, USB 3.2
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

Multimedia

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

Cellular

5G
Bands n1, n2, n5, n7, n25, n28, n41, n66, n71, n77, n78, n257, 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+), 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 Pro Cat 20 (2000/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s	LTE-A, HSDPA+ (4G) 42.2 Mbit/s
SIM type
Nano SIM, eSIM	Dual Nano SIM + eSIM

Regulatory Approval

FCC approval
Date approved: Nov 26, 2024 FCC ID value: A3LSMS938U
Measured SAR
Head: 1.26 W/kg Body: 0.64 W/kg Simultaneous Transmission: 1.19 W/kg

Buyers information

MSRP
$ 1299 / € 1449	€ 1500
In The Box
USB-C cable, SIM ejector tool, Paperwork

Availability

Officially announced
Jan 22, 2025	Feb 27, 2025

Alternative variants

With 512GB internal storage


Internal storage	512GB
MSRP	$ 1420

With 16GB RAM and 512GB internal storage


RAM	16GB
Internal storage	512GB

With 1TB internal storage


Internal storage	1024GB
MSRP	$ 1660

With 16GB RAM and 1TB internal storage


RAM	16GB
Internal storage	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(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+)
SIM type	Dual Nano SIM + eSIM

Links

Full specifications
Samsung Galaxy S25 Ultra Specs	Xiaomi 15 Ultra Specs
PhoneArena Review
Samsung Galaxy S25 Ultra Review	Xiaomi 15 Ultra Review
User Reviews
Samsung Galaxy S25 Ultra User Reviews