Xiaomi 15 Ultra vs OPPO Find X8 Ultra Specs Comparison

Compare mobile phone specifications of up to three devices at once. Our specs comparison tool helps you find and compare the perfect phone for your needs.

7.4
Xiaomi 15 Ultra
8.2
OPPO Find X8 Ultra
Xiaomi 15 Ultra OPPO Find X8 Ultra
Released · Feb 27, 2025
Released · Apr 16, 2025
6.7-inch · 3200 x 1440 px
6.8-inch · 3168 x 1440 px
50 MP Main · 32 MP Selfie
50 MP Main · 32 MP Selfie
16GB · 512GB
12GB · 256GB
6000 mAh
6100 mAh

Display

Size
6.7-inch 6.8-inch
Resolution
3200 x 1440 px, 20:9 ratio, 521 PPI 3168 x 1440 px, 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, 64-bit 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), not expandable 256GB (UFS 4.1), not expandable
OS
Android (15) Android (15)
Device type
Smartphone Smartphone

Battery

Capacity
6000 mAh 6100 mAh
Type
Si - Carbon, Not user replaceable Si - Carbon, Not user replaceable
Charging
Fast charging, Qi wireless charging, Reverse wireless charging Fast charging, Qi wireless charging, Reverse wired charging
Max 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

Camera

Rear
Quad camera Quad camera
Main camera
50 MP (Autofocus, Laser and PDAF)
Specifications:
Aperture size: F1.6/F4.0
Focal length: 23 mm
Sensor size: 1"
Pixel size: 1.6 μm
50 MP (OIS, Laser and PDAF)
Specifications:
Aperture size: F1.8
Focal length: 23 mm
Sensor size: 1"
Pixel size: 1.6 μm
Second camera
200 MP (Telephoto, Periscope, OIS, PDAF)
Specifications:
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)
Specifications:
Optical zoom: 3.0x
Aperture size: F2.1
Focal Length: 70 mm
Sensor size: 1/1.56"
Pixel size: 1.0 μm
Third camera
50 MP (Telephoto)
Specifications:
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)
Specifications:
Optical zoom: 6.0x
Aperture size: F3.1
Focal Length: 135 mm
Sensor size: 1/1.56"
Pixel size: 0.8 μm
Fourth camera
50 MP (Ultra-wide, PDAF)
Specifications:
Aperture size: F2.2
Focal Length: 14 mm
Sensor size: 1/2.76"
Pixel size: 0.64 μm
50 MP (Ultra-wide)
Specifications:
Aperture size: F2.0
Focal Length: 15 mm
Pixel size: 0.64 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

Design

Dimensions
6.35 x 2.96 x 0.37 inches
(161.3 x 75.3 x 9.4 mm)
thickness with camera 0.42 inches (10.7 mm)
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

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

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

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 (reversible), USB 3.2, Features: Charging, OTG, Video out Type-C (reversible), USB 3.2, Features: Charging, OTG
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

Buyers information

MSRP
€ 1000 $ 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
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