Samsung Galaxy S25 vs Xiaomi 15 Ultra Specs Comparison

Availability

Officially announced
Jan 22, 2025	Feb 27, 2025
Prices (MSRP)
$799 | €899	€1500

Design

Dimensions
5.78 x 2.78 x 0.28 inches (~0.33 inches with camera bump) 146.9 x 70.5 x 7.2 mm (~8.45 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
5.71 oz (162.0 g)
Materials
Back: Glass (Corning Gorilla Glass Victus 2) Frame: Aluminum
Resistance
Water, Dust; IP68	Water, Dust; IP68
Biometrics
Ultrasonic in-screen fingerprint	Ultrasonic in-screen fingerprint
Keys
Right: Volume control, Lock/Unlock key	Right: Volume control, Lock/Unlock key
Colors
Icy Blue, Mint, Navy, Silver Shadow	Black, White, Silver Chrome, Green

Display

Size
6.2-inch, 91.02% screen-to-body	6.7-inch, 90.18% screen-to-body
Type
Dynamic AMOLED, 120Hz, HDR, 2600 nits	AMOLED, 120Hz, HDR, 3000 nits
Resolution
2340x1080px, 19.5:9 ratio, 416 PPI	3200x1440px, 20:9 ratio, 521 PPI
Protection
Corning Gorilla Glass Victus 2	Xiaomi Shield Glass 2.0
Features
	HDR support, Dolby Vision, Scratch-resistant glass, Ambient light sensor, Proximity sensor

Hardware

System chip
Snapdragon 8 Elite SM8750-AB (3 nm)	Snapdragon 8 Elite SM8750-AB (4 nm)
Processor
Octa-core 2x4.47GHz Oryon V2 PhoenixL 6x3.53GH​z Oryon V2 PhoenixM	Octa-core 2x4.32GHz Oryon V2 PhoenixL 6x3.53GH​z Oryon V2 PhoenixM
GPU
Adreno 830	Adreno 830
Memory
12GB (LPDDR5X)/128GB (UFS 4.0) 12GB/256GB 12GB/512GB	16GB (LPDDR5X)/512GB (UFS 4.1) 16GB/512GB 16GB/1024GB
Storage expansion
not expandable	not expandable
OS
Android (15), up to 7 OS updates	Android (15)

Battery

Type
4000 mAh, Li - Ion	6000 mAh, Si - Carbon
Charging
Fast charging Qi wireless charging, Reverse wireless charging	Fast charging Qi wireless charging, Reverse wireless charging
Charge speed
Wired: 25.0W Wireless: 15.0W	Wired: 90.0W Wireless: 80.0W

PhoneArena Battery Tests

Battery Life Estimate

7h 6min

Browsing

18h 29min

Video

8h 1min

Gaming

12h 20min

Battery Life Estimate

7h 33min

Browsing

16h 39min

Video

10h 11min

Gaming

13h 29min

Learn more on our PhoneArena Battery Test Results page

Camera

Rear
Triple camera	Quad camera
Main camera
50 MP (OIS, PDAF) Sensor name: Samsung GN3 Aperture size: F1.8 Focal length: 24 mm Sensor size: 1/1.56" Pixel size: 1.0 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) Sensor name: Sony IMX564 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) Sensor name: Samsung S5K3K1 Optical zoom: 3.0x Aperture size: F2.4 Focal Length: 67 mm Sensor size: 1/3.94" Pixel size: 1.0 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
	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
8K UHD (30 fps), 4K UHD (60 fps), 1080p (240 fps) HDR, Continuous autofocus, Picture-taking during video recording	8K UHD (30 fps), 4K UHD (120 fps), 1080p (1920 fps)
Front
12 MP (HDR) Video capture: 4K UHD (60 fps)	32 MP Video capture: 4K UHD (60 fps)

PhoneArena Camera Tests

147

Overall

151

Photo

142

Video

158

Overall

165

Photo

150

Video

Learn more on our PhoneArena Camera Test Results page

Connectivity & Features

Bluetooth
5.4	6.0
WLAN
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	a,b,g,n,ac,Wi-Fi 6,Wi-Fi 6E,Wi-Fi 7,tri-band 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, Ambient light sensor, Proximity sensor
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)
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, n2, n5, n7, n25, n28, n41, n66, n71, n258, n260, n261, SA, NSA, Sub-6, mmWave, 5G Ready	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, 2, 3, 4, 5, 7, 8, 12, 13, 14, 19, 20, 25, 28, 30, 71	1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 66, 71
4G (TDD) Bands
38, 39, 40, 41	38, 39, 40, 41, 42, 48
3G Bands
1, 2, 4, 5, 8	1, 2, 4, 5, 6, 8
Data Speed
LTE-A Pro Cat 20 (2000/150 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: A3LSMS931U
Measured SAR
Head: 1.13 W/kg Body: 0.81 W/kg Simultaneous Transmission: 1.08 W/kg

Alternative variants

With 256GB internal storage

Memory	256GB
Prices (MSRP)	$860

With 16GB RAM and 512GB internal storage

Memory	16GB/512GB

With 512GB internal storage

Memory	512GB

With 16GB RAM and 1TB internal storage

Memory	16GB/1024GB

Links

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