Xiaomi 15 Ultra vs Xiaomi Redmi Note 15 5G Specs Comparison

Availability

Officially announced
Feb 27, 2025	Dec 18, 2025
Prices (MSRP)
12GB/256GB - €1599	6GB/128GB - €299

Design

Dimensions
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)	6.46 x 2.97 x 0.29 inches 164 x 75.4 x 7.4 mm
Weight
	6.28 oz / 178.0 g
Materials
	Back: Plastic Frame: Plastic
Resistance
Water, Dust; IP68	Water, Dust; IP66
Biometrics
Ultrasonic in-screen fingerprint	Optical in-screen fingerprint
Keys
Right: Volume control, Lock/Unlock key	Right: Volume control, Lock/Unlock key
Colors
Black, White, Silver Chrome, Green	Black, Glacier Blue, Mist Purple

Display

Size
6.7-inch, 90.18% screen-to-body	6.8-inch, 89.59% screen-to-body
Type
AMOLED, 120Hz, HDR, 3000 nits	AMOLED, 120Hz, 3200 nits
Resolution
3200x1440px, 20:9 ratio, 521 PPI	2392x1080px, 20:9 ratio, 388 PPI
Protection
Xiaomi Shield Glass 2.0
Features
HDR support, Dolby Vision, Scratch-resistant glass, Ambient light sensor, Proximity sensor

PhoneArena Display Test

Bright Max (20% APL)
3287 (Excellent)	3068 (Excellent)
Bright Min
1.8 (Good)	1.8 (Good)

Learn more on our PhoneArena Display Test Results page.

Hardware

System chip
Snapdragon 8 Elite SM8750-AB (4 nm)	Snapdragon 6 Gen 3 SM6475-AB (4 nm)
Processor
Octa-core 2x4.32GHz Oryon V2 PhoenixL 6x3.53GH​z Oryon V2 PhoenixM	Octa-core 4x2.4GHz Cortex-A78 4x1.8 GHz Cortex-A55
GPU
Adreno 830	Adreno 710
Memory
12GB (LPDDR5X)/256GB (UFS 4.1) 16GB/512GB 16GB/1024GB	6GB/128GB (UFS 2.2) 8GB/256GB 8GB/512GB 12GB/512GB
Storage expansion
not expandable	microSDXC
OS
Android (15)	Android (15)

PhoneArena Performance Test

GeekBench 6 Single
2962	1019
GeekBench 6 Multi
8965	2967
3D Mark High
5826	867
3D Mark Low
4771	862

Learn more on our PhoneArena Performance Test Results page.

Battery

Type
6000 mAh, Si - Carbon	5520 mAh, Si - Carbon
Charging
Fast charging Qi wireless charging, Reverse wireless charging	Fast charging Reverse wired charging
Charge speed
Wired: 90.0W Wireless: 80.0W	Wired: 45.0W

PhoneArena Battery Tests

Battery Life Estimate

7h 33min

Browsing

16h 39min

Video

10h 11min

Gaming

13h 29min

Battery Life Estimate

7h 29min

Browsing

17h 27min

Video

11h 17min

Gaming

9h 6min

Learn more on our PhoneArena Battery Test Results page

Camera

Rear
Quad camera	Dual camera
Main camera
50 MP (Autofocus, Laser and PDAF) Aperture size: F1.6 Focal length: 23 mm Sensor size: 1" Pixel size: 1.6 μm	108 MP (OIS, PDAF) Aperture size: F1.7 Sensor size: 1/1.67" Pixel size: 0.64 μm
Second camera
50 MP (Ultra-wide, PDAF) Aperture size: F2.2 Focal Length: 14 mm Sensor size: 1/2.76" Pixel size: 0.64 μm	8 MP (Ultra-wide) Aperture size: F2.2 Focal Length: 16 mm Sensor size: 1/4" Pixel size: 1.12 μm
Third camera
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
Dual LED	LED
Video recording
8K UHD (30 fps), 4K UHD (120 fps), 1080p (1920 fps)	4K UHD HDR
Front
32 MP Video capture: 4K UHD (60 fps)	20 MP Video capture: 1080p (30 fps)

PhoneArena Camera Tests

158

Overall

165

Photo

150

Video

124

Overall

134

Photo

114

Video

Learn more on our PhoneArena Camera Test Results page

Connectivity & Features

Bluetooth
6.0	5.3
WLAN
Wi-Fi 6,Wi-Fi 6E,Wi-Fi 7,tri-band Wi-Fi Direct, Hotspot 802.11 a, b, g, n, ac, ax	Yes Wi-Fi Direct, Hotspot
USB
Type-C, USB 3.2	Type-C, USB 2.0
Sensors
Accelerometer, Gyroscope, Compass, Barometer, Ambient light sensor, Proximity sensor	Accelerometer, Gyroscope, Compass, Ambient light sensor, Proximity sensor
Location
GPS, A-GPS, Glonass, Galileo, BeiDou, QZSS, NavIC, Cell ID, Wi-Fi positioning, Emergency SOS via satellite (SMS sending/receiving)	GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
Other
NFC, Infrared	NFC, Infrared

Multimedia

Headphones
No 3.5mm jack	No 3.5mm jack
Speakers
Earpiece, Multiple speakers	Earpiece, Multiple speakers
Features
	Dolby Atmos

Cellular

5G 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	n1, n2, n3, n5, n7, n8, n12, n20, n28, n38, n40, n41, n48, n66, 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, 71	1, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 26, 28, 32, 66
TDD Bands
38, 39, 40, 41, 42, 48	38, 40, 41, 48
3G Bands
1, 2, 4, 5, 6, 8	1, 2, 5, 6, 8
Data Speed
LTE-A, HSDPA+ (4G) 42.2 Mbit/s
SIM type
Dual Nano SIM + eSIM	Dual Nano SIM

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