Xiaomi 15 Ultra vs OPPO Find X8 Ultra Specs Comparison

Availability

Officially announced
Feb 27, 2025	Apr 10, 2025
Prices (MSRP)
€1500	$952

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, 90.18% screen-to-body	6.8-inch, 90.27% screen-to-body
Type
AMOLED, 120Hz, HDR, 3000 nits	AMOLED, 120Hz, HDR, 2500 nits
Resolution
3200x1440px, 20:9 ratio, 521 PPI	3168x1440px, 20:9 ratio, 510 PPI
Protection
Xiaomi Shield Glass 2.0	Corning Gorilla Glass Victus 2
Features
HDR support, Dolby Vision, Scratch-resistant glass, Ambient light sensor, Proximity sensor	HDR support, Dolby Vision, Scratch-resistant glass, Ambient light sensor, Proximity sensor

Hardware

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

Battery

Type
6000 mAh, Si - Carbon	6100 mAh, 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
8K UHD (30 fps), 4K UHD (120 fps), 1080p (1920 fps)	4K UHD (120 fps)
Front
32 MP Video capture: 4K UHD (60 fps)	32 MP (Autofocus) Video capture: 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
WLAN
a,b,g,n,ac,Wi-Fi 6,Wi-Fi 6E,Wi-Fi 7,tri-band Wi-Fi Direct, Hotspot 802.11 a, b, g, n, ac, ax	a,b,g,n,ac,Wi-Fi 6,Wi-Fi 6E,Wi-Fi 7,dual-band,tri-band Wi-Fi Direct, Hotspot 802.11 a, b, g, n, ac, ax
USB
Type-C, USB 3.2	Type-C, USB 3.2
Sensors
Accelerometer, Gyroscope, Compass, Barometer, Ambient light sensor, Proximity sensor	Accelerometer, Gyroscope, Compass, Emergency SOS via satellite (SMS sending/receiving), 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, QZSS, 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
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	n1, n2, n3, n5, n7, n8, n20, n28, n38, n40, n41, n66, n77, n78, n79, SA, NSA
4G (FDD) Bands
1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 66, 71	1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 66
4G (TDD) Bands
38, 39, 40, 41, 42, 48	34, 38, 39, 40, 41
3G Bands
1, 2, 4, 5, 6, 8	1, 2, 4, 5, 6, 8
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

Alternative variants

With 16GB RAM and 512GB internal storage

Memory	16GB/512GB

With 16GB RAM and 512GB internal storage

Memory	16GB/512GB

With 16GB RAM and 1TB internal storage

Memory	16GB/1024GB

With 16GB RAM and 1TB internal storage

Memory	16GB/1024GB

Links

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