OPPO Find X9 Ultra vs Xiaomi 15 Ultra
The OPPO Find X9 Ultra scores 9.4 in our rating, and the Xiaomi 15 Ultra scores 8.8. The OPPO Find X9 Ultra leads in display, performance, battery, design and software support. The OPPO Find X9 Ultra is the newer phone, announced Apr 21, 2026.
Key differences
Why choose the OPPO Find X9 Ultra
- Bigger battery 7,050 mAh vs 5,410 mAh
- Faster wired charging 100 W vs 90 W
- Bigger screen 6.82 inches vs 6.73 inches
- Longer optical zoom 10× vs 4.3×
- Brighter screen 3,600 nits vs 3,200 nits
- Higher refresh rate 144 Hz vs 120 Hz
Why choose the Xiaomi 15 Ultra
- Faster wireless charging 80 W vs 50 W
- Lighter 226 g vs 236 g
- Higher screen resolution 1440 × 3200 px vs 1440 × 3168 px
- Sharper display 522 ppi vs 510 ppi
PhoneRanked scores
Calculated from specs, relative to phones from the same year and price range. How we rate phones
Value for money marked “est.” is an estimate: that phone has no official US launch price, so it is not highlighted against the others.
Spec
OPPO Find X9 UltraXiaomi 15 Ultra
Overall
9.4
8.8
Display
8.9
8.7
Performance
9.0
8.6
Camera
9.0
8.9
Battery
8.2
7.1
Design
8.6
8.1
Software support
7.9
7.4
Value for money
6.0 est.
6.0 est.
Display
Spec
OPPO Find X9 UltraXiaomi 15 Ultra
Size
6.82 inches
6.73 inches
Type
OLED, ProXDR AMOLED
OLED, WQHD+ AMOLED (All Around Liquid Display)
Resolution
1440 × 3168 px
1440 × 3200 px
Pixel density
510 ppi
522 ppi
Refresh rate
144 Hz
120 Hz
Adaptive refresh
✓ Yes
✓ Yes
Peak brightness
3,600 nits
3,200 nits
HDR
Dolby Vision
HDR10+, Dolby Vision
Protection
Gorilla Glass Victus 2
Xiaomi Shield Glass 2.0
Performance
Spec
OPPO Find X9 UltraXiaomi 15 Ultra
Process
3 nm
3 nm
Max CPU clock
4.6 GHz
4.32 GHz
GPU
Adreno 840
Adreno 830
RAM
12 GB / 16 GB
12 GB / 16 GB
Storage
256 GB / 512 GB / 1 TB
256 GB / 512 GB / 1 TB
Storage type
UFS 4.1
UFS 4.1
microSD slot
✕ No
✕ No
Cameras
Spec
OPPO Find X9 UltraXiaomi 15 Ultra
Main camera
200 MP, f/1.5, 1/1.12"
50 MP, f/1.63, 1"
Optical stabilization
✓ Yes
✓ Yes
Ultrawide
50 MP
50 MP
Telephoto
200 MP, 10× optical, periscope
200 MP, 4.3× optical, periscope
Optical zoom
10×
4.3×
Rear cameras
5
4
Rear video
8K@30
8K@30
Front camera
50 MP
32 MP
Front video
4K@60
4K@60
Battery and charging
Spec
OPPO Find X9 UltraXiaomi 15 Ultra
Capacity
7,050 mAh
5,410 mAh
Battery type
Silicon-carbon
—
Wired charging
100 W
90 W
Wireless charging
50 W
80 W
Reverse wireless
✕ No
—
Charger in box
✕ No
✕ No
Design and build
Spec
OPPO Find X9 UltraXiaomi 15 Ultra
Dimensions
163.16 × 76.97 × 9.1 mm
161.3 × 75.3 × 9.35 mm
Thickness
9.1 mm
9.35 mm
Weight
236 g
226 g
Form factor
Bar
Bar
Frame
Aluminum
Aluminum
Back
Vegan leather
Fiberglass
Water resistance
IP68 + IP69
IP68
Fingerprint
Under-display ultrasonic
Under-display ultrasonic
3D face unlock
✕ No
✕ No
SIM
Dual Nano-SIM + eSIM
Dual Nano-SIM + eSIM
Colors
Tundra Umber, Canyon Orange, Polar Glacier
Silver Chrome, Black, White, Pine Green (China)
Connectivity and features
Spec
OPPO Find X9 UltraXiaomi 15 Ultra
5G
✓ Yes
✓ Yes
Wi-Fi
Wi-Fi 7
Wi-Fi 7
Bluetooth
6.0
6.0
USB
USB-C 3.x
USB-C 3.x
NFC
✓ Yes
✓ Yes
3.5 mm jack
✕ No
✕ No
Stereo speakers
✓ Yes
✓ Yes
Satellite
✕ No
✕ No
IR blaster
✓ Yes
✓ Yes
Software
Spec
OPPO Find X9 UltraXiaomi 15 Ultra
OS at launch
Android 16
Android 15
Interface
ColorOS 16
Xiaomi HyperOS 2
OS updates
5 years
4 years
Security updates
6 years
6 years
Launch and price
Spec
OPPO Find X9 UltraXiaomi 15 Ultra
Announced
Apr 21, 2026
Feb 27, 2025
Released
Apr 24, 2026
—
Status
Released
Released
Green marks the stronger value in a row. Specs come from official manufacturer data, cross-checked with established tech media; each phone page lists its sources. Report an error
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