Samsung Galaxy S23 Ultra vs Xiaomi 15T Specs Comparison

Availability

Officially announced
Feb 01, 2023	Sep 24, 2025
Prices (MSRP)
8GB/256GB - $1200 | €1300 12GB/512GB - $1450 | €1589 12GB/1024GB - $1649 | €1749	15GB/256GB - €649

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)	6.43 x 3.07 x 0.30 inches 163.2 x 78 x 7.5 mm
Weight
8.25 oz / 234.0 g	6.84 oz / 194.0 g
Materials
Back: Glass (Corning Gorilla Glass Victus 2) Frame: Aluminum	Back: Glass (Corning Gorilla Glass 7i) Frame: Plastic
Resistance
Water, Splash, Dust; IP68	Water, Dust; IP68
Biometrics
2D Face unlock, Ultrasonic in-screen fingerprint	Optical 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, Gray, Rose Gold

Display

Size
6.8-inch, 89.87% screen-to-body	6.8-inch, 89.94% screen-to-body
Type
Dynamic AMOLED, 120Hz, HDR, 1750 nits	AMOLED, 120Hz, HDR10+, 3200 nits
Resolution
3088x1440px, 19.3:9 ratio, 501 PPI	2772x1280px, 20:9 ratio, 447 PPI
Protection
Corning Gorilla Glass Victus 2

PhoneArena Display Test

Bright Max (20% APL)
1598 (Good)	3264 (Excellent)
Bright Min
0.8 (Excellent)	1.9 (Good)

Learn more on our PhoneArena Display Test Results page.

Hardware

System chip
Snapdragon 8 Gen 2 SM8550 (4 nm)	Mediatek Dimensity 8400 Ultra (4 nm)
Processor
Octa-core 1x3.36GHz Kryo Prime 4x2.8GHz Kryo Gold 3x2.0GHz Kryo Silve	Octa-core 1x3.35GHz Cortex-A725 3x3.0​0GHz Cortex-A725 4x2.1​0GHz Cortex-A725
GPU
Adreno 740	Mali-G720 MC7
Memory
8GB (LPDDR5X)/256GB (UFS 4.0) 12GB/256GB 12GB/512GB 12GB/1024GB	12GB/256GB (UFS 4.1) 12GB/512GB
Storage expansion
not expandable	not expandable
OS
Android (14, 13)	Android (15)

PhoneArena Performance Test

GeekBench 6 Single
1971	1614
GeekBench 6 Multi
5115	6446
3D Mark High
3828	3958
3D Mark Low
1951	2980

Learn more on our PhoneArena Performance Test Results page.

Battery

Type
5000 mAh, Li - Ion	5500 mAh, Li - Ion
Charging
Fast charging Qi wireless charging, Reverse wireless charging
Charge speed
Wired: 45.0W Wireless: 15.0W	Wired: 67.0W

PhoneArena Battery Tests

Battery Life Estimate

7h 17min

Browsing

18h 57min

Video

8h 54min

Gaming

10h 59min

Battery Life Estimate

7h 11min

Browsing

16h 32min

Video

10h 26min

Gaming

9h 57min

Learn more on our PhoneArena Battery Test Results page

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, PDAF) Aperture size: F1.7 Focal length: 23 mm Sensor size: 1/1.55" Pixel size: 1.0 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	12 MP (Ultra-wide) Aperture size: F2.2 Focal Length: 15 mm Sensor size: 1/3.06" Pixel size: 1.12 μm
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, PDAF) Optical zoom: 2.0x Aperture size: F1.9 Focal Length: 46 mm Sensor size: 1/2.76" Pixel size: 0.64 μm
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	LED
Video recording
8K UHD (30 fps), 4K UHD (60 fps), 1080p (960 fps) OIS, HDR	4K UHD (60 fps)
Front
12 MP (PDAF) Video capture: 4K UHD (60 fps)	32 MP

PhoneArena Camera Tests

147

Overall

150

Photo

144

Video

136

Overall

144

Photo

129

Video

Learn more on our PhoneArena Camera Test Results page

Connectivity & Features

Bluetooth
5.3	6.0
WLAN
Wi-Fi 6,Wi-Fi 6E Wi-Fi Direct, Hotspot 802.11 a, b, g, n, ac, ax	Wi-Fi 6E Wi-Fi Direct, Hotspot
USB
Type-C, USB 3.2	Type-C
Sensors
Accelerometer, Gyroscope, Compass, Barometer, Ambient light sensor, Proximity sensor	Accelerometer, Gyroscope, Compass, 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, NavIC, 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

Cellular

5G Bands
n1, n7, n28, n41, n66, n71, n78, n258, n260, n261, SA, NSA, Sub-6, mmWave International version - n1, n2, n3, n5, n7, n8, n12, n20, n25, n28, n38, n40, n41, n66, n75, n77, n78, SA, NSA, Sub-6	n1, n2, n3, n5, n7, n8, n12, n20, n28, n38, n40, n41, n48, n66, n77, n78, SA, NSA
LTE Bands
1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 29, 30, 66, 71 International version - 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 66	1, 2, 3, 4, 5, 7, 12, 13, 17, 18, 19, 20, 26, 28, 32, 66
TDD Bands
38, 39, 40, 41, 46, 48 International version - 38, 39, 40, 41	38, 40, 41, 42
3G Bands
1, 2, 4, 5, 8	1, 2, 4, 5, 6, 8
Data Speed
LTE-A, HSDPA+ (4G) 42.2 Mbit/s	LTE-A, HSDPA+ (4G) 42.2 Mbit/s
SIM type
Dual Nano SIM + eSIM	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 12GB RAM and 512GB internal storage

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

With 12GB RAM and 1TB internal storage

Memory	12GB/1024GB
Prices (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
LTE Bands	1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 66
TDD Bands	38, 39, 40, 41

Discover more

Full Specs Samsung Galaxy S23 Ultra Specs PA Review Samsung Galaxy S23 Ultra Review

Full Specs Xiaomi 15T Specs PA Review Xiaomi 15T Review