Xiaomi 15 vs Samsung Galaxy S26 Ultra Specs Comparison

Availability

Officially announced
	Feb 25, 2026
Prices (MSRP)
12GB/256GB - €999 12GB/512GB - €1100	12GB/256GB - $1300 12GB/512GB - $1500 16GB/1TB - $1800

Design

Dimensions
6.00 x 2.80 x 0.32 inches 152.3 x 71.2 x 8.08 mm	6.44 x 3.07 x 0.31 inches (~0.39 inches with camera bump) 163.6 x 78.1 x 7.9 mm (~10 mm with camera bump)
Weight
6.67 oz / 189.0 g	7.55 oz / 214.0 g
Materials
Back: Glass	Back: Glass (Corning Gorilla Glass Armor 2) Frame: Aluminum
Resistance
Yes; 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
	Cobalt Violet, Sky Blue, Black, White, Silver Shadow, Pink Gold

Display

Size
6.4-inch, 90.03% screen-to-body	6.9-inch, 90.30% screen-to-body
Type
OLED, 120Hz, HDR, 3200 nits	Dynamic AMOLED, 120Hz, HDR10+, 2600 nits
Resolution
2670x1200px, 20:9 ratio, 460 PPI	3120x1440px, 19.5:9 ratio, 498 PPI
Protection
	Corning Gorilla Glass Armor 2
Features
HDR support, Dolby Vision

PhoneArena Display Test

Bright Max (20% APL)
3175 (Excellent)	2420 (Excellent)
Bright Min
1.9 (Good)	0.8 (Excellent)

Learn more on our PhoneArena Display Test Results page.

Hardware

System chip
Snapdragon 8 Elite SM8750-AB (3 nm)	Snapdragon 8 Elite Gen 5 for Galaxy SM8850-1-AD (3 nm)
Processor
Octa-core 2x4.32GHz Prime cores 6x3.53GHz Performance core	Octa-core 2x4.74GHz Oryon V3 Phoenix L 6x3.63GHz Oryon V3 Phoenix M
GPU
Adreno 830	Adreno 840
Memory
12GB/256GB (UFS 4.0) 12GB/512GB 16GB/512GB 16GB/1024GB	12GB (LPDDR5X)/256GB (UFS 4.0) 12GB/512GB 16GB/1024GB
Storage expansion
not expandable	not expandable
OS
Android (14)	Android (16), up to 7 OS updates

PhoneArena Performance Test

GeekBench 6 Single
3053	3753
GeekBench 6 Multi
9261	11259
3D Mark High
6220	7801
3D Mark Low
4475	3741

Learn more on our PhoneArena Performance Test Results page.

Battery

Type
5240 mAh	5000 mAh, Li - Ion
Charging
Fast charging Qi wireless charging, Reverse wireless charging	USB Power Delivery Qi2 wireless charging, Reverse wireless charging
Charge speed
Wired: 90.0W Wireless: 50.0W	Wired: 60.0W Wireless: 15.0W

PhoneArena Battery Tests

Battery Life Estimate

7h 18min

Browsing

17h 6min

Video

9h 49min

Gaming

11h 38min

Battery Life Estimate

7h 35min

Browsing

20h 10min

Video

9h 54min

Gaming

9h 17min

Learn more on our PhoneArena Battery Test Results page

Camera

Rear
Triple camera	Quad camera
Main camera
50 MP (OIS, Laser and PDAF) Aperture size: F1.6 Focal length: 23 mm	200 MP (OIS, PDAF) Sensor name: Samsung ISOCELL HP2 Aperture size: F1.4 Focal length: 23 mm Sensor size: 1/1.3" Pixel size: 0.6 μm
Second camera
50 MP (Telephoto, Periscope, OIS) Optical zoom: Yes Aperture size: F2.2	50 MP (Ultra-wide, PDAF) Sensor name: Samsung JN3 Aperture size: F1.9 Sensor size: 1/2.5" Pixel size: 0.7 μm
Third camera
50 MP (Telephoto, Periscope, OIS) Optical zoom: Yes Aperture size: F2.0 Focal Length: 60 mm	10 MP (Telephoto, OIS, PDAF) Sensor name: Sony IMX754 Optical zoom: 3.0x Aperture size: F2.4 Sensor size: 1/3.94" Pixel size: 1.12 μm
Fourth camera
	50 MP (Telephoto, Periscope, OIS, PDAF) Sensor name: Sony IMX854 Optical zoom: 5.0x Aperture size: F2.9 Focal Length: 115 mm Sensor size: 1/2.52" Pixel size: 0.7 μm
Flash
Dual LED	LED
Video recording
8K UHD (30 fps), 4K UHD (60 fps), 1080p (960 fps)	8K UHD (30 fps), 4K UHD (120 fps), 1080p (240 fps) HDR, Continuous autofocus, Picture-taking during video recording
Front
32 MP Video capture: 4K UHD (60 fps)	12 MP (PDAF, HDR) Video capture: 4K UHD (60 fps)

PhoneArena Camera Tests

146

Overall

153

Photo

138

Video

157

Overall

165

Photo

149

Video

Learn more on our PhoneArena Camera Test Results page

Connectivity & Features

Bluetooth
5.4	6.0
WLAN
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 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	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, Cell ID, Wi-Fi positioning
Other
NFC, Infrared	NFC, Ultra Wideband (UWB)

Multimedia

Headphones
No 3.5mm jack	No 3.5mm jack
Speakers
Earpiece, Multiple speakers	Earpiece, Multiple speakers
Features
	32-Bit DAC, aptX, aptX-HD

Cellular

5G Bands
n1, n3, n5, n7, n8, n28, n38, n40, n41, n48, n66, n77, n78, n79, SA, NSA	n1, n2, n5, n7, n25, n28, n41, n66, n71, n77, n78, n257, n258, n260, n261, SA, NSA, Sub-6, mmWave
LTE Bands
1, 3, 4, 5, 7, 8, 18, 19, 26, 28, 66	1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 29, 30, 66, 71
TDD Bands
34, 38, 39, 40, 41, 42, 48	38, 39, 40, 41, 48
3G Bands
1, 2, 4, 5, 6, 8	1, 2, 4, 5, 8
Data Speed
	LTE-A Pro Cat 20 (2000/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s
SIM type
Dual Nano SIM + eSIM	Nano SIM, eSIM

Alternative variants

With 512GB internal storage

Memory	512GB

With 16GB RAM and 512GB internal storage

Memory	16GB/512GB

With 16GB RAM and 1TB internal storage

Memory	16GB/1024GB

Discover more

Full Specs Xiaomi 15 Specs PA Review Xiaomi 15 Review

Full Specs Samsung Galaxy S26 Ultra Specs PA Review Samsung Galaxy S26 Ultra Review