Home Phone comparison Oppo Find X8 Ultra and Vivo iQOO 15R - Which is better?

Oppo Find X8 Ultra vs Vivo iQOO 15R

93 out 100
Oppo Find X8 Ultra
VS
88 out 100
Vivo iQOO 15R
Oppo Find X8 Ultra
Vivo iQOO 15R

Compared 2 smartphones : Oppo Find X8 Ultra Manufactured in April, 2025, with display 6.82 with chipsetQualcomm Snapdragon 8 Elite, vs Vivo iQOO 15R, Manufactured in March, 2026 with chipsetQualcomm Snapdragon 8 Gen 5. Below are specs, tests, pros and cons for each device

  1. Differences
  2. Review
  3. Specs
  4. Benchmarks
  5. Battery Life
  6. Cameras
  7. Comments (0)

Key Differences

Device key advantages
Reasons to choose Oppo Find X8 Ultra
  • Larger display: 6.82in
  • Higher pixel density: 510ppi
  • Supports newer USB: 3.2 vs 2
Reasons to choose Vivo iQOO 15R
  • Higher refresh rate: 144Hz
  • Lighter design: 202g vs 226g
  • Higher battery capacity: 7600mAh vs 6100mAh
  • Newer Bluetooth version: 6.0 vs 5.4

Versions

Available versions and configurations
Memory Options - 12/256 GB
- 16/512 GB
- 16/1024 GB		 - 8/256 GB
- 12/256 GB
- 12/512 GB

Review

Key Specs Oppo Find X8 Ultra and Vivo iQOO 15R
Display
Color accuracy, sharpness & brightness
Camera
Main & front camera tests
Performance
App & system performance
Games
3D gaming performance
Battery
Battery life, charging speed & type
Connectivity
Connectivity features
NanoReview Score
Overall score by NanoReview
Adjust each parameter’s importance to find the best match for you.
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Function
Importance (Weight)
Display:
Camera:
Performance:
Gaming:
Battery:
Connectivity:
Higher weight means greater impact on NanoReview score.

Tests & specs

Specs & test comparison
Smartphones:
Oppo Find X8 Ultra
vs
Vivo iQOO 15R

Display

Display quality comparison
Type AMOLED AMOLED
Size 6.82 in 6.59 in
Resolution 1440x3168 pixels 1260x2750 pixels
Aspect ratio 20:9 19.5:9
Pixel density 510 ppi 459 ppi
Refresh rate 120 Hz 144 Hz
Adaptive refresh rate Yes (1-120 Hz) Yes (60-120 Hz)
Max brightness 1600 nits n/a
HDR support Yes Dolby Vision Yes, HDR10+
Screen-to-body ratio 89.7 % 90.8 %
Features - DCI-P3
- Always-On Display
- DC dimming		 - DCI-P3
- Always-On Display
- DC dimming
Display test
Peak brightness (auto)
Oppo Find X8 Ultra
1168 nits
Vivo iQOO 15R
n/a

Design & Build

Design and ergonomics comparison
Height 163.09 mm (6.42 in) 157.61 mm (6.21 in)
Width 76.8 mm (3.02 in) 74.42 mm (2.93 in)
Thickness 8.78 mm (0.35 in) 7.9 mm (0.31 in)
Weight 226 g (7.97 oz) 202 g (7.13 oz)
Water resistance IP69 IP69
Cooling system Vapor chamber Vapor chamber
Back panel Glass Plastic
Frame Metal Metal
Colors - White
- Black
- Pink		 - Black
- Silver
Fingerprint sensor Yes In-Display Yes, In-Display
Screen-to-body ratio
Oppo Find X8 Ultra
89.7 %
Vivo iQOO 15R
90.8 %

Performance

Testing Oppo Find X8 Ultra and Vivo iQOO 15R In benchmarks
Processor
Chipset Qualcomm Snapdragon 8 Elite Qualcomm Snapdragon 8 Gen 5
Max Frequency 4320 MHz 3000 MHz
CPU Cores 8 (2 + 6) 8 (2 + 6)
Architecture - 6/3.53 (Oryon (Phoenix M))
- 2/4.32 (Oryon (Phoenix L))		 6/3.32 ()
Process TSMC TSMC
Transistor Size 3 nm 3 nm
Neural Processor Hexagon Hexagon
Graphics Adreno 830 Adreno 829
GPU Cores 1536 1024
GPU Frequency 1100 MHz 1200 MHz
FLOPS 3379.2 GFLOPS 2457.6 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Oppo Find X8 Ultra
3103
Vivo iQOO 15R
2698
Geekbench 6 (Multi-Core)
Oppo Find X8 Ultra
9772
Vivo iQOO 15R
8830
Geekbench 6 (Single-Core)31032698
Geekbench 6 (Multi-Core)97728830
Geekbench Compute (GPU)2519721113
Sources: Geekbench v6 [Oppo Find X8 Ultra], [Vivo iQOO 15R]
AnTuTu 10
AnTuTu 10
Oppo Find X8 Ultra
2792179
Vivo iQOO 15R
3272562
CPU6289811018344
GPU1214565997845
Memory507469433367
UX441164823006
NanoReview Score27921793272562

Memory

RAM
RAM Size - 12 GB
- 16 GB		 8 GB
Memory Type LPDDR5X LPDDR5X
Memory Frequency 5333 MHz n/a
Channels 2 4
Storage
Storage Capacity- 256 GB
- 512 GB
- 1024 GB		256 GB
Storage TypeUFS 4.0UFS 4.1
Memory CardNoNo

Software

OS Android 15 Android 16
UI Skin ColorOS 15 OriginOS 6

Battery

Volume 6100 mAh 7600 mAh
Max Charging Power 100 W 100 W
Battery Type Silicon Carbon (Si/C) Silicon Carbon (Si/C)
Removable No No
Wireless Charging Yes (50 W) No
Reverse Charging Yes (Wireless) Yes
Fast Charging Yes (58% in 15 min) Yes (46% in 30 min)
Full Charge Time 0:37 h 1:04 h
Battery Life Test
Battery Life
Oppo Find X8 Ultra
25:30
Vivo iQOO 15R
n/a
Web Browsing11:48 hn/a
Video Playback15:21 hn/a
Games06:29 hn/a
Standby Mode109 hn/a

Main camera

Matrix 50 MP 50 MP
Photo resolution 8192x6144 pixels 8192x6144 pixels
Zoom Optical, 6x Digital
Flash Dual LED LED
Stabilization Optical Optical
8K Recording No No
4K Recording Yes (Up to 120 fps) Yes (Up to 60 fps)
1080p Recording Yes (Up to 120 fps) Yes (Up to 60 fps)
Slow Motion 480 fps (720p) n/a
Wide-angle lens 120 ° n/a
Lenses count Standard: 50 MP
Telephoto: 50 MP
Telephoto: 50 MP
Ultra-wide: 50 MP		 Standard: 50 MP
Ultra-wide: 8 MP
Features - Bokeh effect
- Pro mode
- RAW support		 - Bokeh effect
- Pro mode
Main lens
Matrix50 MP50 MP
Aperturef/1.8f/1.8
Focal length23 mmn/a
SensorSony LYT-900n/a
Sensor size1/0n/a
Pixel size1.6 μmn/a
AutofocusPhase autofocus (Dual Pixel)Phase autofocus
StabilizationOpticalOptical
Telephoto
Matrix50 MPn/a
Aperturef/2.1n/a
Focal length70 mmn/a
SensorSony LYT-700Cn/a
Sensor size1/1.56n/a
Pixel size1 μmn/a
StabilizationOpticaln/a
Ultra-wide lens
Matrix50 MP8 MP
Aperturef/2.0f/2.2
Focal length15 mm15 mm
SensorSamsung S5KJN5n/a
Sensor size1/2.751/4.0 (0.25)
Pixel size0.64 μmn/a
StabilizationDigitalDigital

Front camera

Matrix 32 MP 32 MP
Photo resolution 6560x4928 pixels n/a
Aperture f/2.4 f/2.2
Focal length 21 mm n/a
Sensor Sony IMX809 n/a
Sensor size 1/2.74 n/a
Pixel size 0.8 μm n/a
Autofocus Phase autofocus No
Stabilization Digital Digital
Video resolution 2160p (4K) at 60 fps 2160p (4K) at 30 fps
TOF 3D sensor No No

Connectivity

Wi-Fi version Wi-Fi 7 (802.11 a/b/g/n/ac/ax/be) Wi-Fi 7 (802.11 a/b/g/n/ac/ax/be)
Wi-Fi features - Dual Band
- Wi-Fi MiMO
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display		 - Dual Band
- Wi-Fi MiMO
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
Bluetooth version 5.4 6.0
Bluetooth features LE LE
USB type USB Type-C USB Type-C
USB version 3.2 2
USB features - Charging
- USB Storage Mode
- OTG		 - Charging
- USB Storage Mode
- OTG
DisplayPort Yes Yes
GPS - GPS
- GLONASS
- Beidou
- Galileo
- QZSS		 - GPS
- GLONASS
- Beidou
- Galileo
- QZSS
NFC* Yes Yes
Infrared Port Yes Yes
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *NoNo
Hybrid SlotNoNo
2G BandsGSM 850/900/1800MHzGSM 850/900/1800MHz
3G BandsWCDMA 1/4/5/8WCDMA B1/B5/B6/B8/B19
LTE Bands*LTE (B1/B3/B4/B5/B7/B8/B18/B19/B20/B26/B28/B34/B38/B39/B40/B41/B42/B48/B66)LTE (B1/B3/B4/B5/B7/B8/B18/B19/B20/B26/B28/B32/B71)
5G SupportYesYes

Sound

3.5 mm Jack No No
FM Radio No No

Other

Class Flagship Mid-range
Announced April, 2025 yr February, 2026 yr
Release Date April, 2025 yr March, 2026 yr
MSRP ($) n/a 495
Sensors - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor		 - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
Charger Included Yes 100 W Yes, 100 W
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

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