Home Phone comparison OnePlus Ace 5 Ultra and Vivo X300 Pro - Which is better?

OnePlus Ace 5 Ultra vs Vivo X300 Pro

87 out 100
OnePlus Ace 5 Ultra
VS
90 out 100
Vivo X300 Pro
OnePlus Ace 5 Ultra
Vivo X300 Pro

Compared 2 smartphones : OnePlus Ace 5 Ultra Manufactured in May, 2025, with display 6.83 with chipsetMediaTek Dimensity 9400 Plus, vs Vivo X300 Pro, Manufactured in October, 2025with chipsetMediaTek Dimensity 9500. 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 OnePlus Ace 5 Ultra
  • Larger display: 6.83in
  • Higher refresh rate: 144Hz
  • Lighter design: 206g vs 226g
  • Higher battery capacity: 6700mAh vs 6510mAh
Reasons to choose Vivo X300 Pro
  • Higher pixel density: 452ppi
  • Supports newer USB: 3.2 vs 2
  • Supports DisplayPort
  • Built-in eSIM

Versions

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

Review

Key Specs OnePlus Ace 5 Ultra and Vivo X300 Pro
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.
Customize your score
Function
Importance (Weight)
Display:
Camera:
Performance:
Gaming:
Battery:
Connectivity:
Higher weight means greater impact on NanoReview score.

Tests & specs

Specs & test comparison
Smartphones:
OnePlus Ace 5 Ultra
vs
Vivo X300 Pro

Display

Display quality comparison
Type AMOLED AMOLED
Size 6.83 in 6.78 in
Resolution 1264x2780 pixels 1260x2800 pixels
Aspect ratio 19.8:9 20:9
Pixel density 450 ppi 452 ppi
Refresh rate 144 Hz 120 Hz
Adaptive refresh rate Yes Yes (1-120 Hz)
Max brightness 1800 nits 2000 nits
HDR support Yes Dolby Vision Yes, Dolby Vision
Touch Sampling Rate n/a 300 Hz
Screen-to-body ratio 90.1 % 90.8 %
Features - DCI-P3
- Always-On Display
- DC dimming		 - DCI-P3
- Always-On Display
- DC dimming
Display test
Peak brightness (auto)
OnePlus Ace 5 Ultra
n/a
Vivo X300 Pro
2611 nits

Design & Build

Design and ergonomics comparison
Height 163.4 mm (6.43 in) 161.98 mm (6.38 in)
Width 77 mm (3.03 in) 75.48 mm (2.97 in)
Thickness 8.1 mm (0.32 in) 7.99 mm (0.31 in)
Weight 206 g (7.27 oz) 226 g (7.97 oz)
Water resistance IP65 IP69
Cooling system Vapor chamber Vapor chamber
Back panel n/a Glass
Frame Metal Metal
Colors - Black
- Gray
- Blue
- Purple		 - White
- Black
- Blue
- Brown
Fingerprint sensor Yes In-Display Yes, In-Display
Screen-to-body ratio
OnePlus Ace 5 Ultra
90.1 %
Vivo X300 Pro
90.8 %

Performance

Testing OnePlus Ace 5 Ultra and Vivo X300 Pro In benchmarks
Processor
Chipset MediaTek Dimensity 9400 Plus MediaTek Dimensity 9500
Max Frequency 3730 MHz 4210 MHz
CPU Cores 8 (1 + 3 + 4) 8 (1 + 3 + 4)
Architecture - 4/2.4 (Cortex-A720)
- 3/3.3 (Cortex-X4)
- 1/3.73 (Cortex-X925)		 - 4/2.7 (C1-Pro)
- 3/3.5 (C1-Premium)
- 1/4.21 (C1-Ultra)
Process TSMC TSMC
Transistor Size 3 nm 3 nm
Neural Processor MediaTek NPU 890 MediaTek NPU 990
Graphics Mali-G925 Immortalis MP12 Mali-G1 Ultra MP12
GPU Cores 1536 1536
GPU Frequency 1612 MHz 1716 MHz
FLOPS 4952.1 GFLOPS 5271.5 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
OnePlus Ace 5 Ultra
2677
Vivo X300 Pro
3447
Geekbench 6 (Multi-Core)
OnePlus Ace 5 Ultra
8564
Vivo X300 Pro
10378
Geekbench 6 (Single-Core)26773447
Geekbench 6 (Multi-Core)856410378
Geekbench Compute (GPU)2497425723
Sources: Geekbench v6 [OnePlus Ace 5 Ultra], [Vivo X300 Pro]
AnTuTu 10
AnTuTu 10
OnePlus Ace 5 Ultra
3030235
Vivo X300 Pro
4011932
CPU6374881043247
GPU13658651510982
Memory503742667254
UX523140790449
NanoReview Score30302354011932

Memory

RAM
RAM Size 12 GB 12 GB
Memory Type LPDDR5X LPDDR5X
Memory Frequency n/a 5333 MHz
Channels 4 4
Storage
Storage Capacity256 GB256 GB
Storage TypeUFS 4.0UFS 4.1
Memory CardNoNo

Software

OS Android 15 Android 16
UI Skin ColorOS 15 OriginOS 6

Battery

Volume 6700 mAh 6510 mAh
Max Charging Power 100 W 90 W
Battery Type Silicon Carbon (Si/C) Silicon Carbon (Si/C)
Removable No No
Wireless Charging No Yes (40 W)
Reverse Charging Yes Yes, (Wireless)
Fast Charging Yes (51% in 15 min) Yes (55% in 15 min)
Full Charge Time 0:39 h 0:29 h
Battery Life Test
Battery Life
OnePlus Ace 5 Ultra
n/a
Vivo X300 Pro
20:40
Web Browsingn/a08:45 h
Video Playbackn/a14:55 h
Gamesn/a06:08 h
Standby Moden/a81 h

Main camera

Matrix 50 MP 50 MP
Photo resolution 8192x6144 pixels 8192x6144 pixels
Zoom Digital Optical, 3.7x
Flash LED Dual LED
Stabilization Optical Optical
8K Recording No Yes (Up to 30 fps)
4K Recording Yes (Up to 60 fps) Yes (Up to 120 fps)
1080p Recording Yes (Up to 60 fps) Yes (Up to 60 fps)
Slow Motion 240 fps (1080p) 240 fps (1080p)
Wide-angle lens 112 ° 119 °
Lenses count Standard: 50 MP
Ultra-wide: 8 MP		 Standard: 50 MP
Telephoto: 200 MP
Ultra-wide: 50 MP
Features - Bokeh effect
- Pro mode		 - Bokeh effect
- Pro mode
Main lens
Matrix50 MP50 MP
Aperturef/1.8f/1.6
Focal length24 mm24 mm
SensorSony IMX906Sony LYT-828
Sensor size1/1.561/1.28
Pixel size1 μm1.22 μm
AutofocusPhase autofocusLaser autofocus
StabilizationOpticalOptical
Telephoto
Matrixn/a200 MP
Aperturen/af/2.7
Focal lengthn/a85 mm
Sensorn/aSamsung ISOCELL HPB
Sensor sizen/a1/1.4
Pixel sizen/a0.56 μm
Stabilizationn/aOptical
Ultra-wide lens
Matrix8 MP50 MP
Aperturef/2.2f/2.0
Focal length16 mm15 mm
SensorOmnivision OV08D10Samsung S5KJN1
Sensor size1/4.01/2.76
Pixel size1.12 μm0.64 μm
StabilizationDigitalDigital

Front camera

Matrix 16 MP 50 MP
Photo resolution 4608x3456 pixels 8192x6144 pixels
Aperture f/2.4 f/2.0
Focal length 23 mm n/a
Sensor CMOS Samsung S5KJN1
Sensor size 1/3 1/2.76
Pixel size 1 μm 0.64 μm
Autofocus No Phase autofocus
Stabilization Digital Digital
Video resolution 1080p (Full HD) at 30 fps 2160p (4K) at 60 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 5.4
Bluetooth features LE LE
USB type USB Type-C USB Type-C
USB version 2 3.2
USB features - Charging
- USB Storage Mode
- OTG		 - Charging
- USB Storage Mode
- OTG
DisplayPort No Yes
GPS - GPS
- GLONASS
- Beidou
- Galileo
- NAVIC		 - GPS
- GLONASS
- Beidou
- Galileo
- QZSS
- NAVIC
NFC* Yes Yes
Infrared Port Yes Yes
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *NoYes
Hybrid SlotNoNo
2G Bandsn/aGSM 850/900/1800/1900 MHz
3G Bandsn/aWCDMA B1/B2/B4/B5/B6/B8/B19
LTE Bands*n/aLTE (B1/B2/B3/B4/B5/B7/B8/B18/B19/B20/B25/B26/B28/B34/B38/B39/B40/B41/B42/B43/B48/B66)
5G SupportYesYes

Sound

3.5 mm Jack No No
FM Radio No No
Dolby Atmos n/a No

Other

Class Flagship Flagship
Announced May, 2025 yr October, 2025 yr
Release Date May, 2025 yr October, 2025 yr
MSRP ($) n/a 899
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, 90 W
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

No clear favorite identified yet; updates may follow as new data arrives.

Survey

Which smartphone would you pick?
0 (0%)
0 (0%)
Total Votes: 0

User comments

Share your opinion or ask questions below