Xiaomi 15 vs OPPO Watch X2 Specs Comparison

Availability

Officially announced
	Feb 20, 2025
Prices (MSRP)
12GB/256GB - €999 12GB/512GB - €1100

Design

Dimensions
6.00 x 2.80 x 0.32 inches 152.3 x 71.2 x 8.08 mm	1.87 x 1.83 x 0.46 inches 47.6 x 46.6 x 11.8 mm
Weight
6.67 oz / 189.0 g	1.75 oz / 49.7 g
Materials
Back: Glass	Back: Plastic Frame: Stainless steel
Resistance
Yes; IP68	Water (up to 5 meters), Dust; IP68; MIL-STD-810 certified
Biometrics
Ultrasonic in-screen fingerprint
Keys
Right: Volume control, Lock/Unlock key
Colors
	Lava Black, Summit Blue

Display

Size
6.4-inch, 90.03% screen-to-body	1.5-inch
Type
OLED, 120Hz, HDR, 3200 nits	AMOLED, 2200 nits
Resolution
2670x1200px, 20:9 ratio, 460 PPI	466x466px, 439 PPI
Protection
	Sapphire
Features
HDR support, Dolby Vision	Scratch-resistant glass, Ambient light sensor

PhoneArena Display Test

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

Learn more on our PhoneArena Display Test Results page.

Hardware

System chip
Snapdragon 8 Elite SM8750-AB (3 nm)	Snapdragon W5 Gen 1 (4 nm)
Processor
Octa-core 2x4.32GHz Prime cores 6x3.53GHz Performance core
GPU
Adreno 830
Memory
12GB/256GB (UFS 4.0) 12GB/512GB 16GB/512GB 16GB/1024GB	2GB/32GB
Storage expansion
not expandable
OS
Android (14)	Wear OS

PhoneArena Performance Test

GeekBench 6 Single
3053	Untested
GeekBench 6 Multi
9261	Untested
3D Mark High
6220	Untested
3D Mark Low
4475	Untested

Learn more on our PhoneArena Performance Test Results page.

Battery

Type
5240 mAh	648 mAh
Charging
Fast charging Qi wireless charging, Reverse wireless charging
Charge speed
Wired: 90.0W Wireless: 50.0W	Wired: 7.5W

PhoneArena Battery Tests

Battery Life Estimate

7h 18min

Browsing

17h 6min

Video

9h 49min

Gaming

11h 38min

Battery Life Estimate

Untested

Browsing

Untested

Video

Untested

Gaming

Untested

Learn more on our PhoneArena Battery Test Results page

Camera

Rear
Triple camera
Main camera
50 MP (OIS, Laser and PDAF) Aperture size: F1.6 Focal length: 23 mm
Second camera
50 MP (Telephoto, Periscope, OIS) Optical zoom: Yes Aperture size: F2.2
Third camera
50 MP (Telephoto, Periscope, OIS) Optical zoom: Yes Aperture size: F2.0 Focal Length: 60 mm
Flash
Dual LED
Video recording
8K UHD (30 fps), 4K UHD (60 fps), 1080p (960 fps)
Front
32 MP Video capture: 4K UHD (60 fps)

PhoneArena Camera Tests

146

Overall

153

Photo

138

Video

N/A

Overall

N/A

Photo

N/A

Video

Learn more on our PhoneArena Camera Test Results page

Connectivity & Features

Bluetooth
5.4	5.2
WLAN
Wi-Fi 6,Wi-Fi 6E,Wi-Fi 7 Wi-Fi Direct, Hotspot 802.11 a, b, g, n, ac, ax	Yes 802.11 a, b, g, n
USB
Type-C, USB 3.2
Sensors
Accelerometer, Gyroscope, Compass, Barometer	Accelerometer, Gyroscope, Pedometer, Compass, Heart rate, Thermometer, Barometer, Step detector, ECG, Blood Oxygen
Location
GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning	GPS, A-GPS, Glonass, Galileo, BeiDou
Other
NFC, Infrared	NFC

Multimedia

Headphones
No 3.5mm jack
Speakers
Earpiece, Multiple speakers	Loudspeaker

Cellular

5G Bands
n1, n3, n5, n7, n8, n28, n38, n40, n41, n48, n66, n77, n78, n79, SA, NSA
LTE Bands
1, 3, 4, 5, 7, 8, 18, 19, 26, 28, 66
TDD Bands
34, 38, 39, 40, 41, 42, 48
3G Bands
1, 2, 4, 5, 6, 8
Data Speed
	LTE
SIM type
Dual 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 OPPO Watch X2 Specs