Xiaomi 15 Ultra vs OPPO Find X8 Ultra Specs Comparison

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)	6.42 x 3.02 x 0.35 inches 163.1 x 76.8 x 8.8 mm
Weight
	7.97 oz (226.0 g)
Materials
	Back: Glass (Corning Gorilla Glass) Frame: Aluminum
Resistance
Water, Dust; IP68	Water, Dust; IP68
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	Matte Black, Pure White, Shell Pink

Display

Size
6.7-inch	6.8-inch
Resolution
3200x1440px, 20:9 ratio, 521 PPI	3168x1440px, 20:9 ratio, 510 PPI
Technology
AMOLED	AMOLED
Refresh rate
120Hz	120Hz
Screen-to-body
90.18 %	90.27 %
Peak brightness
3000 cd/m2 (nit)	2500 cd/m2 (nit)
Features
HDR support, Dolby Vision, Scratch-resistant glass (Xiaomi Shield Glass 2.0), Ambient light sensor, Proximity sensor	HDR support, Dolby Vision, Scratch-resistant glass (Corning Gorilla Glass Victus 2), Ambient light sensor, Proximity sensor

Hardware

System chip
Qualcomm Snapdragon 8 Elite SM8750-AB (4 nm)	Qualcomm Snapdragon 8 Elite SM8750-AB (3 nm)
Processor
Octa-core 2x 4.32GHz Oryon V2 Phoenix L + 6x 3.53GHz Oryon V2 Phoenix M	Octa-core 2x 4.32GHz Oryon V2 Phoenix L + 6x 3.53GHz Oryon V2 Phoenix M
GPU
Adreno 830	Adreno 830
RAM
16GB (LPDDR5X)	12GB (LPDDR5X)
Internal storage
512GB (UFS 4.1)	256GB (UFS 4.1)
Storage expansion
not expandable	not expandable
OS
Android (15)	Android (15)

Battery

Capacity
6000 mAh	6100 mAh
Type
Si - Carbon	Si - Carbon
Charging
Fast charging, Qi wireless charging, Reverse wireless charging	Fast charging, Qi wireless charging, Reverse wired charging
Charge speed
Wired: 90.0W Wireless: 80.0W	Wired: 100.0W Wireless: 50.0W

PhoneArena Battery Tests

Battery Life Estimate

7h 33min

Browsing

16h 39min

Video

10h 11min

Gaming

13h 29min

Battery Life Estimate

8h 56min

Browsing

23h 36min

Video

11h 1min

Gaming

12h 47min

Learn more on our PhoneArena Battery Test Results page

Camera

Rear
Quad camera	Quad 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	50 MP (OIS, Laser and PDAF) Aperture size: F1.8 Focal length: 23 mm Sensor size: 1" Pixel size: 1.6 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	50 MP (Ultra-wide) Aperture size: F2.0 Focal Length: 15 mm Pixel size: 0.64 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	50 MP (Telephoto, Periscope) Optical zoom: 6.0x Aperture size: F3.1 Focal Length: 135 mm Sensor size: 1/1.56" Pixel size: 0.8 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	50 MP (Telephoto, Periscope, OIS, PDAF) Optical zoom: 3.0x Aperture size: F2.1 Focal Length: 70 mm Sensor size: 1/1.56" Pixel size: 1 μm
Fifth camera
ToF 3D depth sensing
Flash
Dual LED	LED
Video recording
7680x4320 (8K UHD) (30 fps), 3840x2160 (4K UHD) (120 fps), 1920x1080 (Full HD) (1920 fps)	3840x2160 (4K UHD) (120 fps)
Front
32 MP, Video capture: 3840x2160 (4K UHD) (60 fps)	32 MP (Autofocus), Video capture: 3840x2160 (4K UHD) (60 fps)

PhoneArena Camera Tests

158

Overall

165

Photo

150

Video

157

Overall

160

Photo

155

Video

Learn more on our PhoneArena Camera Test Results page

Connectivity & Features

Bluetooth
6.0	5.4
Wi-Fi
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(Wi-Fi 6),Wi-Fi 6E,Wi-Fi 7,dual-band,tri-band Wi-Fi Direct, Hotspot
USB
Type-C, USB 3.2	Type-C, USB 3.2
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, QZSS, Cell ID, Wi-Fi positioning
Sensors
Accelerometer, Gyroscope, Compass, Barometer	Accelerometer, Gyroscope, Compass, Emergency SOS via satellite (SMS sending/receiving)
Other
NFC, Infrared	NFC, Infrared

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

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	Bands n1, n2, n3, n5, n7, n8, n20, n28, n38, n40, n41, 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), 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), 71(600)	Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 17(700 b), 18(800 Lower), 19(800 Upper), 20(800 DD), 26(850+), 28(700 APT), 66(AWS-3)
4G (TDD)
Bands 38(2600), 39(1900+), 40(2300), 41(2600+), 42(3500), 48(3600)	Bands 34(2000), 38(2600), 39(1900+), 40(2300), 41(2600+)
3G
Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 6(800), 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	LTE-A, LTE Cat 5 (300/75 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s
SIM type
Dual Nano SIM + eSIM	Dual Nano SIM

Buyers information

MSRP
€ 1500	$ 952

Availability

Officially announced
Feb 27, 2025	Apr 10, 2025

Alternative variants

With 16GB RAM and 512GB internal storage

RAM	16GB
Internal storage	512GB

With 16GB RAM and 512GB internal storage

RAM	16GB
Internal storage	512GB

With 16GB RAM and 1TB internal storage

RAM	16GB
Internal storage	1024GB

With 16GB RAM and 1TB internal storage

RAM	16GB
Internal storage	1024GB

Links

Full specifications
Xiaomi 15 Ultra Specs	OPPO Find X8 Ultra Specs
PhoneArena Review
Xiaomi 15 Ultra Review	OPPO Find X8 Ultra Review