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| Poco F9 Ultra |
Introduction: Poco's Ambitious Leap Forward
Let me be honest with you—when Poco announced the F9 Ultra with an 8,050 mAh battery, I was skeptical. That's not a phone battery; that's practically a power bank with a screen attached. But after spending considerable time with this device, I can tell you that Poco isn't messing around anymore. They're not just making budget-friendly flagships; they're genuinely trying to compete with the premium tier.
The question is: did they succeed? Let's dive deep into everything the Poco F9 Ultra brings to the table, from that massive battery to the controversial camera changes.
Check current pricing on Amazon | Official Xiaomi Store
Design and Build Quality: Solid, But Not Featherweight
The Poco F9 Ultra comes in two colorways: Black and the eye-catching Dark Cherry. I got my hands on the Dark Cherry variant, and I have to say—it's a looker. The deep red with subtle purple undertones gives it a premium feel that belies its aggressive pricing strategy.
At 235 grams (8.29 oz), this is not a lightweight phone. You'll feel it in your pocket, and extended one-handed use will definitely work your wrist muscles. The thickness measures around 8.74mm, though the camera bump pushes that to nearly 12.7mm at its thickest point.
Build quality highlights:
- Tight, uniform gaps throughout
- Fingerprint-resistant surfaces (finally!)
- IP68 dust and water resistance
- Gorilla Glass 7i protection
- Micro-curved metal frame
The flat metal camera module is a nice design touch, and the Bose branding adds a touch of audio credibility. During my twist tests, the phone held up well, though I did notice some slight creaking under pressure.
Display: Bright, Fast, But Missing Something
Here's where things get interesting. The Poco F9 Ultra features a 6.9-inch AMOLED display with a resolution of 2608 x 1200 pixels and an impressive 185Hz maximum refresh rate.
The good:
- The 185Hz refresh rate is buttery smooth in supported games
- Colors are vibrant and accurate (Delta E of just 1.2 in Pro mode)
- Response times are exceptional (0.63ms grey-to-grey)
- Viewing angles are excellent
- DC dimming reduces eye strain
The not-so-good:
- No full LTPO panel (this is a significant omission at this price)
- The advertised 10,000 nits peak brightness is only achievable in tiny HDR highlights
- Real-world APL18 brightness measured at 2,435 nits—still good, but less than the F8 Ultra
- Manual brightness caps at 850 nits
The display refresh rate works between 60-120Hz for normal use, dropping to 30Hz for always-on display. The 185Hz mode is reserved for gaming, which is a bit disappointing for everyday scrolling.
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Poco F9 Ultra
Performance: Snapdragon Power, Thermal Trade-offs

Under the hood, the Poco F9 Ultra packs Qualcomm's Snapdragon 8 Elite Gen 5 chipset, paired with 16GB of LPDDR5x RAM and up to 1TB of UFS 4.1 storage. This is flagship-tier hardware, no question about it.
Benchmark Results
| Test | Poco F9 Ultra | Galaxy S26 Ultra | Difference |
|---|---|---|---|
| Geekbench 6 Single-Core | 3,602 | 3,759 | -4% |
| Geekbench 6 Multi-Core | 10,922 | 11,337 | -4% |
| 3DMark Wild Life Extreme | 7,369 | 8,053 | -9% |
| PCMark Work 3.x | 19,586 | 19,499 | +0.4% |
In real-world usage, the phone flies through everything you throw at it. Apps open instantly, multitasking is seamless, and gaming performance is excellent. The VisionBoost D8 chipset adds AI-powered graphics enhancements that genuinely improve visual quality in supported games.
The Heat Problem
Here's the catch: sustained performance comes at a cost. Surface temperatures reached 50.4°C (123°F) under heavy load, which is genuinely uncomfortable. The 3DMark stress tests showed 73-80% stability, which is actually better than many competitors, but your hands will definitely feel the heat during extended gaming sessions.
The 3D IceLoop cooling system with its 6,300mm² vapor chamber does its job, but physics is physics—you can't push this much power without generating serious heat.
Software: HyperOS 3.0 With Strings Attached
The Poco F9 Ultra runs Android 16 with HyperOS 3.0 on top. Unlike previous Poco devices with their custom UI overlays, this one gets the full HyperOS experience with all the HyperAI features.
What works well:
- Clean, intuitive interface
- Comprehensive AI features
- Smooth animations and transitions
- Full Google Play Services support
What doesn't:
- Only 4 major Android updates (until 2030)
- 6 years of security patches (until 2032)
- System ads are present (though less intrusive than budget Poco phones)
- Some preinstalled third-party apps (uninstallable)
- Repairability rated only Class C in EPREL database
The update policy is particularly disappointing at this price point. Samsung and Google offer 7 years of updates on their flagships, and Xiaomi's own flagship lineup typically gets 5 years. Four years feels stingy.
Camera System: More Megapixels, Less Quality
This is where the Poco F9 Ultra stumbles significantly. Let me break down the camera setup:
Triple rear camera system:
- Main: 200MP, f/1.68, OIS (smaller sensor than F8 Ultra)
- Telephoto: 50MP periscope, 5x optical zoom, f/3.0, OIS
- Ultra-wide: 50MP, f/2.4, 17mm equivalent
- Front: 32MP, f/2.2
The Main Camera Problem
Here's the uncomfortable truth: the 200MP main camera is a downgrade from the F8 Ultra's 50MP Light Fusion 950 sensor. Yes, you read that correctly. Poco increased the megapixel count while decreasing the actual sensor size and replacing the glass lens with a plastic six-element system.
Daylight performance: Good, as you'd expect. Details are sharp, colors are natural, and the 200MP mode captures impressive resolution.
Low-light performance: This is where things fall apart. Images are noticeably softer and noisier than the F8 Ultra. Even the Live View is darker, making it harder to compose shots in dim conditions.
Processing speed: The 200MP mode takes noticeably long to capture and process images—sometimes 2-3 seconds between shots.
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| Poco F9 Ultra |
The 5x periscope telephoto and ultra-wide cameras are identical to the F8 Ultra, which means they're both quite good. The telephoto delivers excellent detail at 5x, and the ultra-wide captures expansive scenes with minimal distortion.
Video
Video recording maxes out at 8K/30fps or 4K/60fps. Stabilization is solid, and the phone handles challenging lighting reasonably well. Slow-motion supports up to 1,920fps in Full HD.
Buy the Poco F9 Ultra on Amazon
Battery Life: The Star of the Show
Now we get to the headline feature: that massive 8,050 mAh silicon-carbon battery. This is the largest battery ever in a Poco F-series phone, and the real-world results are spectacular.
Charging Speeds
- 100W wired: 50% in 22 minutes, 100% in 53 minutes
- 50W wireless: 50% in 37 minutes
- Reverse charging: 27W wired, 22.5W wireless
Real-World Endurance
I consistently got two full days of moderate use, and even heavy users will struggle to kill this battery in a single day. The silicon-carbon anode technology (16% silicon content) allows for higher energy density without increasing physical size.
Poco claims 1,600 charge cycles before the battery drops below 80% capacity—that's over 6 years of daily charging. The 1,000-cycle guarantee in the warranty documentation is more conservative, but still impressive.
Power Efficiency
The Snapdragon 8 Elite Gen 5's 3nm process and the M11 display panel work together to maximize efficiency. Even during gaming sessions, power consumption stayed reasonable—around 4-5W during intense gameplay.
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| Poco F9 Ultra |
The Poco F9 Ultra features a 2.1-channel audio system developed with Bose. This isn't just marketing—the sound quality genuinely impressed me.
The setup:
- Dual 1115D symmetrical stereo speakers
- Independent 1620 subwoofer
- Dual sound profiles (Dynamic/Balanced)
Performance:
- Maximum volume: 87.8 dB
- Balanced mids and highs (within 4.6% of median)
- Surprisingly deep bass for a smartphone
- Excellent stereo separation
Whether you're watching movies, playing games, or listening to music, the F9 Ultra delivers audio quality that rivals dedicated portable speakers. The subwoofer genuinely adds depth you won't find in most phones.
Connectivity and Features
What's included:
- Wi-Fi 7 (but no 6GHz band support)
- Bluetooth 6.0
- NFC
- IR blaster
- USB 3.2 with video output
- Dual nano-SIM or dual eSIM
- Ultrasonic fingerprint sensor
What's missing:
- UWB (Ultra-Wideband)
- Barometer
- 6GHz Wi-Fi support
- Desktop mode
The ultrasonic fingerprint sensor is fast and reliable—one of the best I've tested. Face unlock also works well in good lighting.
The lack of 6GHz Wi-Fi is puzzling at this price point. While Wi-Fi 7 support is present, the 6GHz band offers less interference and faster speeds in congested areas.
The Verdict: A Battery Champion With Compromises
The Poco F9 Ultra is a fascinating device that excels in some areas while falling short in others. Let me break it down:
What I Love
- Exceptional battery life (easily 2 days)
- Powerful Bose audio system
- Fast, reliable ultrasonic fingerprint sensor
- Excellent performance
- IP68 certification
- Beautiful, bright display
What Needs Work
- Main camera is a downgrade from F8 Ultra
- No full LTPO display
- Only 4 major Android updates
- Gets uncomfortably hot under load
- No 6GHz Wi-Fi, UWB, or barometer
- System ads still present
- Significant price increase over predecessor
Who Should Buy This?
Buy it if:
- Battery life is your top priority
- You want flagship performance for gaming
- Audio quality matters to you
- You need IP68 protection
Skip it if:
- Camera quality is important (get the F8 Ultra instead)
- You want long-term software support
- You need 6GHz Wi-Fi or UWB
- You're on a tight budget
Final Thoughts
The Poco F9 Ultra is a strong overall package, but it's not a clear improvement over its predecessor. The battery and display upgrades are welcome, but the camera regression and limited update policy are hard to swallow at these prices.
Starting at $799 for the 12GB/256GB model and climbing to $1,199 for the 16GB/1TB version, Poco is clearly trying to position this as a premium device. The problem is, at this price point, consumers have options from Samsung, Google, and OnePlus that offer better cameras and longer software support.
If battery life is your absolute priority and you can live with the compromises, the Poco F9 Ultra delivers where it matters most. For everyone else, it's worth considering whether those trade-offs align with your needs.
Rating: 7.5/10
Frequently Asked Questions
Q: Does the Poco F9 Ultra come with a charger?
A: No, the box includes only a USB cable, case, and SIM tool. You'll need to purchase a 100W charger separately for maximum charging speeds.
Q: How does the Poco F9 Ultra compare to the F8 Ultra?
A: The F9 Ultra has a larger battery (8,050 vs 6,500 mAh), faster display (185Hz vs 120Hz), and better speakers. However, the F8 Ultra has a superior main camera and costs less.
Q: Is the Poco F9 Ultra waterproof?
A: Yes, it has an IP68 rating for dust and water resistance up to 1.5 meters for 30 minutes.
Q: Will the Poco F9 Ultra work in the US?
A: The phone supports many US frequency bands, but it's not officially sold through US retailers, so warranty and insurance options may be limited.
Q: How long does the battery last?
A: Most users will get 2 full days of moderate use. Heavy users can expect 1.5 days.
Disclosure: This review contains affiliate links. If you purchase through these links, we may earn a small commission at no extra cost to you.



