The OnePlus Ace series has always been about delivering high performance at competitive pricing, and the OnePlus Ace 5 Ultra continues that direction with a strong emphasis on processing power, display quality, and battery longevity. Rather than trying to appeal to every type of user, this device is clearly designed for those who prioritize speed, efficiency, and sustained performance, particularly in gaming and heavy daily usage.
Design & Display — Large, Fluid, and Built for Immersion
The OnePlus Ace 5 Ultra features a 6.83-inch AMOLED display with:
- 1272 × 2800 resolution (~450 ppi)
- Up to 144 Hz refresh rate
- HDR10+, Dolby Vision, and HDR Vivid support
- Peak brightness up to 1400 nits
This results in a display that feels:
- Smooth during scrolling and gaming
- Rich in contrast with accurate color reproduction
- Bright enough for outdoor visibility
With a 90% screen-to-body ratio, the viewing experience is immersive, making it well-suited for streaming and gaming.
Build Quality
- Dimensions: 163.4 × 77 × 8.1 mm
- Weight: 206 g
- IP65 rating (dust-tight and splash resistant)
The device is slightly heavier than average, but this is expected given the large battery and cooling system inside.
Performance — Built for Sustained Speed
At its core, the OnePlus Ace 5 Ultra is powered by the MediaTek Dimensity 9400+ (3nm) chipset, paired with:
- 12 GB / 16 GB RAM
- 256 GB / 512 GB / 1 TB storage
This hardware combination delivers:
- Consistent high performance across demanding applications
- Strong gaming capabilities with stable frame rates
- Efficient thermal management supported by internal cooling systems
Benchmark data shows excellent multi-core and GPU performance, positioning the device among the more capable smartphones in its category.
 In practical terms, the phone handles intensive workloads without noticeable slowdowns or overheating.
Cameras — Functional and Balanced
The camera system is straightforward and focused on reliability:
Rear Cameras
- 50 MP main camera (OIS, PDAF)
- 8 MP ultra-wide lens
Front Camera
Performance Overview
- Good detail and clarity in daylight
- Stable video recording with OIS and gyro-EIS
- Supports 4K video at up to 60 fps
The ultra-wide camera adds versatility, though it is not as strong as the primary sensor. Overall, the camera system is reliable rather than experimental, delivering consistent results for everyday photography.
Battery & Charging — One of Its Strongest Features
Battery performance is a major highlight.
The device includes a 6700 mAh battery, offering:
- Extended usage across heavy tasks
- Reliable all-day (and beyond) performance
Charging capabilities:
- 100 W wired fast charging
- Full charge in approximately 39 minutes
- Reverse wired charging support
This combination ensures minimal downtime and makes the device especially suitable for users who rely heavily on their phones throughout the day.
Software & User Experience
The OnePlus Ace 5 Ultra runs:
- Android 15 with ColorOS 15
The software experience is:
- Smooth and responsive
- Feature-rich with customization options
- Optimized for performance and battery efficiency
While the interface may differ slightly from OxygenOS on global OnePlus devices, it remains functional and well-optimized.
Connectivity & Features — Comprehensive and Modern
The device includes a full set of modern connectivity features:
- 5G support
- Wi-Fi 6 / Wi-Fi 7
- Bluetooth 5.4 (aptX HD, LHDC 5)
- NFC support
- Infrared (IR blaster)
Additional features:
- Stereo speakers
- In-display fingerprint sensor
- Advanced GPS systems with multi-band support
However:
- No 3.5 mm headphone jack
- No microSD expansion
Pros
- High-performance chipset with excellent efficiency
- Large, smooth AMOLED display (144 Hz)
- Exceptional battery life (6700 mAh)
- Very fast charging (100 W)
- Strong connectivity features including Wi-Fi 7
Cons
- Camera system is good but not class-leading
- Slightly heavy due to large battery
- No expandable storage
- No headphone jack
Final Thoughts
The OnePlus Ace 5 Ultra is a device built with a clear purpose: to deliver consistent performance, long battery life, and a smooth display experience.
It does not attempt to lead in every category, but it excels in the areas that matter most for heavy users particularly those who value:
- Gaming performance
- Battery endurance
- Display smoothness
For users looking for a smartphone that prioritizes efficiency and sustained performance over unnecessary extras, the OnePlus Ace 5 Ultra stands out as a well-engineered and practical choice in 2026.