Nothing Phone (3) vs Xiaomi 15 Ultra Specs Comparison

Availability

Officially announced
Jul 01, 2025	Feb 27, 2025
Prices (MSRP)
$799	12GB/256GB - €1599

Design

Dimensions
6.32 x 2.98 x 0.35 inches 160.6 x 75.6 x 9 mm	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
7.69 oz / 218.0 g
Materials
Back: Glass (Corning Gorilla Glass Victus) Frame: Aluminum
Resistance
Water, Dust; IP68	Water, Dust; IP68
Biometrics
Optical in-screen fingerprint	Ultrasonic in-screen fingerprint
Features
Notification light
Keys
Left: Volume control, Other; Right: Lock/Unlock key	Right: Volume control, Lock/Unlock key
Colors
Black, White	Black, White, Silver Chrome, Green

Display

Size
6.7-inch, 88.40% screen-to-body	6.7-inch, 90.18% screen-to-body
Type
OLED, 120Hz, HDR, 4500 nits	AMOLED, 120Hz, HDR, 3000 nits
Resolution
2800x1260px, 20:9 ratio, 460 PPI	3200x1440px, 20:9 ratio, 521 PPI
Protection
Corning Gorilla Glass	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)
1501 (Good)	3287 (Excellent)
Bright Min
2 (Good)	1.8 (Good)

Learn more on our PhoneArena Display Test Results page.

Hardware

System chip
Snapdragon 8s Gen 4 SM8650-AB (4 nm)	Snapdragon 8 Elite SM8750-AB (4 nm)
Processor
Octa-core 1x3.21GHz Cortex-X4 3x3.0GH​z Cortex-A720 2x2.8 GHz Cortex-A720>br>2x2.0 GHz Cortex-A720	Octa-core 2x4.32GHz Oryon V2 PhoenixL 6x3.53GH​z Oryon V2 PhoenixM
GPU
Adreno 825	Adreno 830
Memory
12GB/256GB (UFS 4.0)	12GB (LPDDR5X)/256GB (UFS 4.1) 16GB/512GB 16GB/1024GB
Storage expansion
not expandable	not expandable
OS
Android (15), up to 5 OS updates	Android (15)

PhoneArena Performance Test

GeekBench 6 Single
2165	2962
GeekBench 6 Multi
6930	8965
3D Mark High
4111	5826
3D Mark Low
3794	4771

Learn more on our PhoneArena Performance Test Results page.

Battery

Type
5150 mAh, Si - Carbon	6000 mAh, Si - Carbon
Charging
Fast charging Qi wireless charging, Reverse wireless charging, Reverse wired charging	Fast charging Qi wireless charging, Reverse wireless charging
Charge speed
Wired: 65.0W Wireless: 15.0W	Wired: 90.0W Wireless: 80.0W

PhoneArena Battery Tests

Battery Life Estimate

6h 45min

Browsing

14h 26min

Video

10h 33min

Gaming

9h 8min

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) Aperture size: F1.7 Focal length: 24 mm Sensor size: 1/1.3"	50 MP (Autofocus, Laser and PDAF) Aperture size: F1.6 Focal length: 23 mm Sensor size: 1" Pixel size: 1.6 μm
Second camera
50 MP (Ultra-wide) Aperture size: F2.2 Sensor size: 1/2.76"	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
50 MP (Telephoto, Periscope, OIS, PDAF) Optical zoom: 3.0x Aperture size: F2.7	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
4K UHD (60 fps), 1080p (60 fps) OIS, HDR, Time-lapse video, EIS	8K UHD (30 fps), 4K UHD (120 fps), 1080p (1920 fps)
Front
50 MP	32 MP Video capture: 4K UHD (60 fps)

PhoneArena Camera Tests

135

Overall

147

Photo

123

Video

158

Overall

165

Photo

150

Video

Learn more on our PhoneArena Camera Test Results page

Connectivity & Features

Bluetooth
6.0	6.0
WLAN
Wi-Fi 6,Wi-Fi 7 MIMO, Wi-Fi Direct, Hotspot 802.11 a, b, g, n, ac, ax	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 2.0	Type-C, USB 3.2
Sensors
Accelerometer, Gyroscope, Compass, Ambient light sensor, Proximity sensor	Accelerometer, Gyroscope, Compass, Barometer, Ambient light sensor, Proximity sensor
Location
GPS, A-GPS, Glonass, Galileo, BeiDou, QZSS, SBAS, NavIC, Dual-band positioning, 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	NFC, Infrared

Multimedia

Headphones
No 3.5mm jack	No 3.5mm jack
Speakers
Earpiece, Multiple speakers	Earpiece, Multiple speakers

Cellular

5G Bands
n1, n2, n3, n5, n7, n8, n12, n20, n25, n28, n30, n38, n40, n41, n48, n66, n71, n77, n78, 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
LTE Bands
1, 2, 3, 4, 7, 8, 12, 17, 18, 20, 25, 26, 28, 30, 66, 71	1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 66, 71
TDD Bands
34, 38, 39, 40, 41, 42, 48	38, 39, 40, 41, 42, 48
3G Bands
1, 3, 5, 8	1, 2, 4, 5, 6, 8
Data Speed
LTE-A	LTE-A, HSDPA+ (4G) 42.2 Mbit/s
SIM type
eSIM, Dual Nano SIM	Dual Nano SIM + eSIM

Alternative variants

With 16GB RAM and 512GB internal storage

Memory	16GB/512GB

With 16GB RAM and 1TB internal storage

Memory	16GB/1024GB

Discover more

Full Specs Nothing Phone (3) Specs PA Review Nothing Phone (3) Review

Full Specs Xiaomi 15 Ultra Specs PA Review Xiaomi 15 Ultra Review