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Samsung Galaxy S23 Ultra vs Xiaomi 15 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.

Comparison mode:
Specs Size
Differences only
7.1
Samsung Galaxy S23 Ultra
7.3
Xiaomi 15
Samsung Galaxy S23 Ultra Xiaomi 15
Released · Feb 17, 2023
Released · Oct 29, 2024
6.8-inch · 3088 x 1440 px
6.4-inch · 2670 x 1200 px
200 MP Main · 12 MP Selfie
50 MP Main · 32 MP Selfie
8GB · 256GB
12GB · 256GB
5000 mAh
5240 mAh
Check prices Check prices

Display

Size
6.8-inch 6.4-inch
Resolution
3088 x 1440 px, 19.3:9 ratio, 501 PPI 2670 x 1200 px, 20:9 ratio, 460 PPI
Technology
Dynamic AMOLED OLED
Refresh rate
120Hz 120Hz
Screen-to-body
89.87 % 90.03 %
Peak brightness
1750 cd/m2 (nit) 3200 cd/m2 (nit)
Features
HDR support, Scratch-resistant glass (Corning Gorilla Glass Victus 2), Ambient light sensor, Proximity sensor HDR support, Dolby Vision

Hardware

System chip
Qualcomm Snapdragon 8 Gen 2 SM8550 (4 nm) Snapdragon 8 Elite SM8750-AB (3 nm)
Processor
Octa-core, 1x 3.36GHz Kryo Prime + 4x 2.8GHz Kryo Gold + 3x 2.0GHz Kryo Silver Octa-core, 2x 4.32GHz Prime cores + 6x 3.53GHz Performance core
GPU
Adreno 740 Adreno 830
RAM
8GB (LPDDR5X) 12GB
Internal storage
256GB (UFS 4.0), not expandable 256GB (UFS 4.0), not expandable
OS
Android (14, 13), One UI Android (14)
Device type
Smartphone Smartphone

Battery

Capacity
5000 mAh 5240 mAh
Type
Li - Ion, Not user replaceable 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: 50.0W
PhoneArena Battery Tests
Battery Life Estimate
7h 17min
Browsing
18h 57min
Video
8h 54min
Gaming
10h 59min
Battery Life Estimate
7h 18min
Browsing
17h 6min
Video
9h 49min
Gaming
11h 38min
Find out more details about battery and charging for all phones we have tested on our PhoneArena Battery Score page.

Camera

Rear
Quad camera Triple camera
Main camera
200 MP (OIS, PDAF)
Specifications:
Aperture size: F1.7
Focal length: 24 mm
Sensor size: 1/1.3"
Pixel size: 0.6 μm 		50 MP (OIS, Laser and PDAF)
Specifications:
Aperture size: F1.6
Focal length: 23 mm
Second camera
10 MP (Telephoto, OIS)
Specifications:
Optical zoom: 3.0x
Aperture size: F2.4
Focal Length: 69 mm
Sensor size: 1/3.52"
Pixel size: 1.12 μm 		50 MP (Telephoto, Periscope, OIS)
Specifications:
Optical zoom: Yes
Aperture size: F2.0
Focal Length: 60 mm
Third camera
10 MP (Telephoto)
Specifications:
Optical zoom: 10.0x
Aperture size: F4.9
Focal Length: 230 mm
Sensor size: 1/3.52"
Pixel size: 1.12 μm 		50 MP (Ultra-wide, Autofocus)
Specifications:
Aperture size: F2.2
Fourth camera
12 MP (Ultra-wide)
Specifications:
Aperture size: F2.2
Focal Length: 13 mm
Sensor size: 1/2.55"
Pixel size: 1.4 μm
Flash
LED Dual LED
Video recording
7680x4320 (8K UHD) (30 fps), 3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (960 fps)
Features:
OIS, HDR 		7680x4320 (8K UHD) (30 fps), 3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (960 fps)
Front
12 MP (PDAF), Video capture: 3840x2160 (4K UHD) (60 fps) 32 MP, Video capture: 3840x2160 (4K UHD) (60 fps)
PhoneArena Camera Tests
147
Overall
150
Photo
144
Video
146
Overall
153
Photo
138
Video
Find out more details about photo and video scores for all phones we have tested on our PhoneArena Camera Score page.

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) 		6.00 x 2.80 x 0.32 inches
(152.3 x 71.2 x 8.08 mm)
Weight
8.25 oz(234.0 g) 6.67 oz(189.0 g)
Materials
Back: Glass (Corning Gorilla Glass Victus 2)
Frame: Aluminum 		Back: Glass
Resistance
Water, Splash, Dust; IP68 Yes; 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

Cellular

5G
Bands n1, n7, n28, n41, n66, n71, n78, n258, n260, n261, SA, NSA, Sub-6, mmWave Bands n1, n3, n5, n7, n8, n28, n38, n40, n41, n48, n66, n77, n78, n79, SA, NSA
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), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 18(800 Lower), 19(800 Upper), 26(850+), 28(700 APT), 66(AWS-3)
4G (TDD)
Bands 38(2600), 39(1900+), 40(2300), 41(2600+), 46, 48(3600) Bands 34(2000), 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
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 5.4
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
Wi-Fi Direct, Hotspot
USB
Type-C (reversible), USB 3.2, Features: Charging, OTG Type-C (reversible), USB 3.2, Features: Charging, OTG
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
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 € 999
In The Box
USB-C cable, SIM Tray ejector, Paperwork

Availability

Officially announced
Feb 01, 2023

Alternative variants

With 12GB RAM
RAM 12GB
With 512GB internal storage
Internal storage 512GB
With 12GB RAM and 512GB internal storage
RAM 12GB
Internal storage 512GB
MSRP $ 1450 / € 1589
With 16GB RAM and 512GB internal storage
RAM 16GB
Internal storage 512GB
With 12GB RAM and 1TB internal storage
RAM 12GB
Internal storage 1024GB
MSRP $ 1649 / € 1749
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+)
FCC OKs Cingular\'s purchase of AT&T Wireless