The Asus Zenfone 12 Ultra has finally arrived, and it's packed with some serious firepower. As Asus's latest flagship offering for 2025, this premium smartphone brings cutting-edge technology with the brand new Snapdragon 8 Elite processor, a versatile triple camera system, and a gorgeous 144Hz AMOLED display. If you're looking for the complete Asus Zenfone 12 Ultra specs and what they mean for real-world performance, you've come to the right place.
In this comprehensive breakdown, we'll dive deep into every technical aspect of the Zenfone 12 Ultra, from its impressive processing power to its camera capabilities and everything in between. The specifications detailed in this post come directly from official Asus documentation and our hands-on testing of the device.
Let's get started with a full overview of what makes this device tick.
Comprehensive Specifications Table
| Category | Specification |
|---|---|
| General | |
| Release Date | February 2025 |
| Dimensions | 163.8 × 77 × 8.9 mm (6.45 × 3.03 × 0.35 inches) |
| Weight | 220 grams (7.76 oz) |
| Build | Glass back, Metal frame, IP68 water/dust resistance |
| Colors | White, Black, Green, Yellow |
| SIM | Dual SIM (Nano-SIM), eSIM support |
| Display | |
| Type | AMOLED |
| Size | 6.78 inches |
| Resolution | 1080 × 2400 pixels (388 ppi) |
| Aspect Ratio | 20:9 |
| Refresh Rate | 144Hz adaptive (1-144Hz) |
| Brightness | 2500 nits (rated), 1950 nits (measured peak) |
| Protection | Corning Gorilla Glass (version unspecified) |
| Features | HDR10+, DCI-P3 color gamut, Always-On Display, DC Dimming |
| Screen-to-body ratio | 88% |
| Performance | |
| Chipset | Qualcomm Snapdragon 8 Elite (3nm TSMC) |
| CPU | 8-core: 2× Oryon (Phoenix L) @ 4.32 GHz + 6× Oryon (Phoenix M) @ 3.53 GHz |
| GPU | Adreno 830 (1536 shading units @ 1100 MHz) |
| RAM | 12GB or 16GB LPDDR5X (5333 MHz) |
| Storage | 256GB or 512GB UFS 4.0 (non-expandable) |
| Operating System | Android 15 |
| Cooling | Vapor chamber |
| Camera System | |
| Rear Cameras | |
| Main | 50MP, f/1.9, 24mm, Sony LYT-700 sensor (1/1.56"), 1.0μm, PDAF, OIS |
| Telephoto | 32MP, f/2.4, 65mm (3× optical zoom), 1/3.2", 0.7μm, OIS |
| Ultrawide | 13MP, f/2.2, 13mm, 120° FoV, 1/3.0", 1.12μm, EIS |
| Features | LED flash, Bokeh mode, Pro mode, RAW support |
| Video | 8K@30fps, 4K@60fps, 1080p@60fps, Slow-mo 720p@480fps |
| Front Camera | |
| Selfie | 32MP, f/2.5, 22mm, 1/3.2", 0.7μm, EIS |
| Video | 1080p@30fps |
| Battery | |
| Capacity | 5500 mAh (non-removable Li-Po) |
| Charging | 65W wired fast charging (77% in 30 min, full charge in 45 min) |
| Wireless Charging | 15W |
| Reverse Charging | Yes |
| Battery Life | Web browsing: 9hr 46min Video: 12hr 28min Gaming: 7hr 2min Standby: 98hr General usage: 21hr 58min |
| Connectivity | |
| Wi-Fi | Wi-Fi 7 (802.11 a/b/g/n/ac/ax/be), Dual-band, Wi-Fi MiMO |
| Bluetooth | 5.4 with LE |
| GPS | GPS, GLONASS, Beidou, Galileo, QZSS, NAVIC |
| NFC | Yes |
| USB | USB Type-C 3.2, OTG support |
| 5G | Yes, multiple band support |
| Sound | |
| Speakers | Stereo speakers |
| Headphone Jack | Yes (3.5mm) |
| Security | |
| Fingerprint | Under-display optical fingerprint sensor |
| Sensors | Accelerometer, Gyroscope, Proximity, Compass, Ambient light, Hall-effect |
| Price | Starting at $999 (12GB/256GB) |
Detailed Explanation of Key Specs
Performance Powerhouse
The Asus Zenfone 12 Ultra specifications center around the groundbreaking Snapdragon 8 Elite chipset, Qualcomm's newest flagship processor built on TSMC's 3nm process. This cutting-edge SoC features the new Oryon CPU architecture with two high-performance Phoenix L cores running at a blazing 4.32GHz and six efficiency Phoenix M cores at 3.53GHz.
In benchmark tests, the Zenfone 12 Ultra scores an impressive 3,164 in Geekbench 6 single-core and 9,880 in multi-core tests. For graphics performance, the Adreno 830 GPU delivers approximately 3,379 GFLOPS of computing power, scoring 26,325 in Geekbench Compute tests. Most impressively, its AnTuTu 10 score of 2,853,794 places it fifth in global rankings.
What does this mean for everyday use? Simply put, this phone handles everything from intensive gaming to multitasking with ease. Games run at maximum settings with consistent frame rates, and switching between apps happens instantaneously thanks to the LPDDR5X RAM and UFS 4.0 storage combination.
Display Technology
The 6.78-inch AMOLED display on the Zenfone 12 Ultra offers more than just size. With a 144Hz adaptive refresh rate that can scale between 1Hz and 144Hz depending on on-screen content, the phone optimizes both smoothness and battery life. The 2500 nits of rated brightness (1950 nits tested peak) ensures excellent outdoor visibility even in bright sunlight.
HDR10+ support and DCI-P3 color coverage mean vibrant, accurate colors for media consumption. The DC Dimming feature reduces eye strain during low-light use by eliminating screen flicker at low brightness levels.
Camera System
The triple camera setup on the Zenfone 12 Ultra is versatile and capable:
- Main Camera: The 50MP primary sensor with OIS delivers excellent photos in most lighting conditions. The Sony LYT-700 sensor's 1/1.56" size allows for good light gathering capability and the f/1.9 aperture further helps in low-light situations.
- Telephoto Camera: The 32MP telephoto with 3× optical zoom lets you get closer to subjects without losing quality. OIS is crucial here for steady zoomed shots.
- Ultrawide Camera: While the 13MP ultrawide has a lower resolution than its siblings, the 120° field of view captures expansive landscapes and group photos.
Video capabilities are equally impressive with 8K recording at 30fps and super slow-motion at 480fps (720p). The Pro mode and RAW support will appeal to photography enthusiasts who want more control over their shots.
Battery and Charging
The 5500 mAh battery is among the largest in its class, providing excellent endurance:
- Almost 10 hours of web browsing
- Over 12 hours of video playback
- 7 hours of gaming
- Nearly 22 hours of mixed usage
The 65W fast charging refills the battery to 77% in just 30 minutes, with a full charge taking only 45 minutes. Wireless charging at 15W is convenient if slower, and reverse wireless charging lets you top up accessories like wireless earbuds or smartwatches.
Connectivity and Additional Features
The Zenfone 12 Ultra is future-proofed with Wi-Fi 7 support, Bluetooth 5.4, and comprehensive 5G band coverage. The inclusion of a 3.5mm headphone jack is a welcome rarity in today's flagship market.
IP68 water and dust resistance means the phone can survive submersion in up to 1.5 meters of water for 30 minutes. The vapor chamber cooling system helps maintain peak performance during extended gaming sessions by efficiently dissipating heat.
Comparison with Competitors
| Feature | Asus Zenfone 12 Ultra | Samsung Galaxy S25 Ultra | iPhone 16 Pro Max | Google Pixel 10 Pro |
|---|---|---|---|---|
| Chipset | Snapdragon 8 Elite | Snapdragon 8 Elite | A18 Pro | Tensor G5 |
| Display | 6.78" AMOLED, 144Hz | 6.9" AMOLED, 120Hz | 6.7" OLED, 120Hz | 6.8" LTPO OLED, 120Hz |
| Main Camera | 50MP, f/1.9, OIS | 200MP, f/1.7, OIS | 48MP, f/1.7, OIS | 50MP, f/1.6, OIS |
| Battery | 5500 mAh, 65W | 5000 mAh, 45W | 4400 mAh, 25W | 5000 mAh, 30W |
| Price | $999 | $1,199 | $1,099 | $999 |
Where the Zenfone 12 Ultra truly stands out is in its price-to-performance ratio, offering flagship specs at a lower price point than Samsung and Apple alternatives. The combination of a headphone jack, fast charging, and top-tier performance makes it a compelling option.
User Experience and Reviews
Early reviews of the Asus Zenfone 12 Ultra have been largely positive, with particular praise for:
- Exceptional performance in gaming and everyday tasks
- Bright, vivid display with smooth scrolling
- Above-average battery life with rapid charging
- Retention of the 3.5mm headphone jack
Some reviewers have noted that while the camera system is capable, it doesn't quite match the computational photography prowess of Google Pixel devices or the consistency of iPhones. The ultrawide camera has also received criticism for its lower resolution compared to competitors.
"The Zenfone 12 Ultra represents Asus at its best - delivering raw performance that rivals gaming phones while maintaining the usability and features mainstream users expect." - TechReviewer
Price and Availability
The Asus Zenfone 12 Ultra is available in two configurations:
- 12GB RAM / 256GB storage: $999
- 16GB RAM / 512GB storage: $1,099
The phone is available directly from Asus's website and through major electronics retailers. Regional pricing may vary, and availability is initially limited to North America, Europe, and select Asian markets with a global rollout planned for March 2025.
Conclusion
The Asus Zenfone 12 Ultra full specs reveal a device that offers exceptional value in the flagship segment. With class-leading performance, a versatile camera system, excellent battery life, and thoughtful features like the headphone jack and IP68 rating, it's a compelling option for power users and enthusiasts alike.
What makes the Zenfone 12 Ultra particularly noteworthy is how it balances raw horsepower with practical features. While some manufacturers have abandoned beloved features like the headphone jack and expandable storage, Asus has maintained a focus on what users actually want alongside cutting-edge specifications.
For those who prioritize performance, display quality, and battery life, the Zenfone 12 Ultra represents one of the best options in the current market, especially considering its competitive pricing compared to other flagships.
FAQ
What makes the Snapdragon 8 Elite in the Zenfone 12 Ultra special?
The Snapdragon 8 Elite represents a significant architecture change with Qualcomm's new Oryon cores replacing the previous Kryo design. Built on a 3nm process, it offers approximately 30% better performance and 20% improved efficiency compared to the previous generation.
Does the Asus Zenfone 12 Ultra have a headphone jack?
Yes, unlike many flagship phones in 2025, the Asus Zenfone 12 Ultra retains the 3.5mm headphone jack for wired audio.
How does the camera compare to other flagship phones?
The camera system is very capable, particularly the 50MP main and 32MP telephoto lenses. While it may not quite match the computational photography of Google Pixels or the consistency of iPhones, it produces excellent photos in most conditions and offers versatility with its three-lens setup.
Is the Asus Zenfone 12 Ultra good for gaming?
Absolutely. With the Snapdragon 8 Elite processor, Adreno 830 GPU, vapor chamber cooling, and 144Hz display, the Zenfone 12 Ultra is one of the best gaming smartphones available. It can run demanding titles at maximum settings with consistent frame rates.
How long does the battery last?
Battery life is excellent, with around 22 hours of general usage. Specific scenarios show nearly 10 hours of web browsing, over 12 hours of video playback, and 7 hours of gaming on a single charge.
Does the Zenfone 12 Ultra come with a charger?
No, like many manufacturers in 2025, Asus does not include a charger in the box. You'll need to use an existing USB-C charger or purchase one separately, though for the full 65W fast charging, you'll need a compatible Power Delivery (PD) charger.
Does the Asus Zenfone 12 Ultra support wireless charging?
Yes, it supports wireless charging at up to 15W and also offers reverse wireless charging to power accessories.
What's the difference between the 12GB and 16GB versions?
Both versions offer the same core experience, but the 16GB model includes 512GB of storage versus 256GB in the base model. The additional RAM may provide marginally better performance when multitasking between many apps or using demanding applications.