Our Top Picks
- Engineering Benchmark: The Honor Magic V3 is currently the world's thinnest foldable, measuring 9.2mm folded and 4.35mm unfolded, making it more portable than the Pixel 9 Pro Fold.
- Power Efficiency: Despite its slim frame, the 5150mAh silicon-carbon battery delivers class-leading endurance and charging speeds.
- Performance Warning: While the hardware is nearly perfect, a significant software factory reset bug during initial setup requires caution for early adopters.
The Honor Magic V3 is the world's thinnest foldable smartphone, measuring just 9.2mm folded. In this Honor Magic V3 review, we examine if this 4.35mm thin marvel sacrifices durability for design, comparing its charging speed and software against the Google Pixel 9 Pro Fold.
| Feature | Honor Magic V3 | Google Pixel 9 Pro Fold | Samsung Galaxy Z Fold 6 |
|---|---|---|---|
| Thickness (Folded) | 9.2mm | 10.5mm | 12.1mm |
| Weight | 226g - 230g | 257g | 239g |
| Inner Display | 7.92-inch LTPO OLED | 8.0-inch LTPO OLED | 7.6-inch Dynamic AMOLED |
| Battery | 5,150mAh | 4,650mAh | 4,400mAh |
| Charging (Wired) | 66W SuperCharge | 21W | 25W |
| Processor | Snapdragon 8 Gen 3 | Tensor G4 | Snapdragon 8 Gen 3 for Galaxy |
Record-Breaking Design: 9.2mm Engineering
When I first held the Honor Magic V3, I had to double-check that it was actually a foldable. At just 9.2mm in thickness when folded and 4.35mm when unfolded, this device sets a new standard for the foldable smartphone market. To put that in perspective, the Samsung Galaxy Z Fold 6 feels chunky at 12.1mm, and even the Google Pixel 9 Pro Fold feels noticeably thicker at 10.5mm.
Honor achieved this lightweight industrial design through a combination of high-tech materials and an incredibly slim hinge mechanism. The back of the phone uses a Special Fiber that is stronger than traditional glass or plastic but significantly lighter. The variant with vegan leather is particularly impressive, bringing the total weight down to 226 grams for its vegan leather variant. This makes the foldable lighter than many standard flagship slab phones, including the Samsung Galaxy S24 Ultra which weighs 232 grams.
The heart of the design is the Super Steel Hinge. It is thin, yes, but it doesn't feel fragile. Honor has utilized a proprietary steel alloy that allows the hinge to maintain structural integrity without the bulk. For anyone considering Honor Magic V3 productivity features for business travel, this slimness is a game-changer. It slides into a suit pocket or a tight compartment in a carry-on bag with the same ease as an iPhone 15 Pro Max.

Display Quality and the Crease Factor
The V3 features a stunning 7.92-inch internal OLED display that rivals any tablet on the market. With a 120Hz refresh rate and support for Dolby Vision, the visual experience is top-tier. However, the most frequent question I get about foldables is regarding the crease.
In my testing, the Honor Magic V3 inner screen crease visibility and tactile feel are among the best in the industry. While the crease is still technically there, it is much shallower than what you will find on the Samsung Z Fold series. When viewing content directly, it is virtually invisible. You only really notice it when looking at the screen from an extreme angle or when physically running your finger across the center of the display.
The external cover screen is equally impressive. It’s a 6.43-inch panel with a standard 20:9 aspect ratio, meaning it feels like a normal phone when closed. It boasts a peak brightness of 5000 nits, making it easily readable even under direct midday sunlight. Honor’s multitasking interface allows you to transition seamlessly between these two screens, making it easy to start an email on the go and finish it on the expansive inner canvas.

Durability Test: Can a 4.35mm Phone Last?
Thinness often implies fragility, but Honor has gone to great lengths to prove the V3 can survive real-world use. The device carries an IPX8 water resistance rating, meaning it can handle being submerged in up to 2.5 meters of water for 30 minutes.
During independent Honor Magic V3 durability test sessions, the phone has been subjected to some extreme conditions. In sand and grit exposure tests, the device showed high resilience. While the mechanical hinge may ingest fine particles if you are literally burying it in a desert, leading to some temporary "crunching" sounds, the hinge mechanism durability remained intact. The Super Steel Hinge is officially rated for a durability of 500,000 folding cycles. If you fold your phone 100 times a day, that’s over 13 years of use.
The Honor Magic V3 durability and sand test results suggest that while you shouldn't take it to a sandstorm on purpose, it is more than capable of handling the dust and occasional spills of daily life. The inner screen is covered by a scratch-resistant layer that felt surprisingly durable during my two weeks of heavy stylus and finger use.

Power & Charging: The Silicon-Carbon Advantage
One of the most impressive feats of engineering in the V3 is the 5,150mAh silicon-carbon battery. Silicon-carbon technology allows for a higher energy density in a much smaller physical footprint than traditional lithium-ion batteries. This is how Honor managed to pack more juice into a 9.2mm frame than Google managed in the 10.5mm Pixel 9 Pro Fold.
When looking at the Honor Magic V3 vs Google Pixel 9 Pro Fold charging speed comparison, the V3 wins by a landslide. The Honor supports 66W wired and 50W wireless SuperCharge. In my lab testing, the Honor Magic V3 charging speed allowed for a 0 to 100% charge in approximately 48 minutes. Compare that to the Pixel 9 Pro Fold, which lingers at around 21W and takes significantly longer to top up.
In real-world usage, I consistently finished the day with 20-30% battery remaining, even with heavy use of the internal OLED display for video calls and document editing. The efficiency of the silicon-carbon battery technology combined with the Snapdragon 8 Gen 3 chip makes this one of the most reliable foldables for long-distance travel.

Software and Performance: The MagicOS Paradox
Under the hood, the V3 is a powerhouse. It utilizes the Snapdragon 8 Gen 3 processor, providing top-tier performance for gaming and intensive multitasking. Benchmark scores are impressive, often exceeding 1.6 million on AnTuTu. MagicOS 8.0.1 offers several clever features, such as Magic Portal, which lets you drag and drop content between apps with AI-driven suggestions.
However, we have to address a critical issue that has surfaced in multiple reviews.
Software Alert: Factory Reset Bug Some initial Honor Magic V3 software factory reset issue review reports have highlighted a concerning flaw. During the initial setup or the first few hours of use, some devices have triggered an unprompted factory reset, wiping all user data. Honor is reportedly working on a firmware patch to address this, but it is a vital consideration for anyone setting up the device for the first time. Make sure your data is backed up to the cloud immediately.
Aside from this specific bug, the software experience is generally smooth. The thermal management is surprisingly good for such a thin chassis, though the phone can get warm during extended gaming sessions.

Camera Systems: Periscope vs Ultra-Thin
Usually, ultra-thin phones sacrifice camera quality, particularly zoom capabilities. Honor defied this trend by including a 50MP main sensor, a 40MP ultra-wide, and a 50MP periscope telephoto lens with 3.5x optical zoom.
The Honor Magic V3 night photography and low light camera quality is surprisingly competitive. The large main sensor captures a great deal of light, and Honor's image processing keeps noise to a minimum without making photos look overly artificial. When compared to the Pixel 9 Pro Fold, the Honor holds its own in color accuracy, though Google’s 5x optical zoom still provides a slight edge for very long-distance shots.
For most users, the V3’s camera setup is more than sufficient. The periscope lens is a technical marvel considering the 4.35mm unfolded thickness of the device. It provides sharp, detailed portraits and great versatility for everyday photography.

Verdict: Is the World's Thinnest Foldable the Best?
The Honor Magic V3 is an undeniable masterpiece of hardware engineering. It proves that foldables don't have to be bulky compromises. By hitting the 9.2mm mark, Honor has effectively bridged the gap between the foldable and the traditional flagship.
However, the software stability remains a point of contention. If you are an enthusiast who can handle a few early-adopter bugs, the hardware experience is unmatched.
Pros
- Incredible 9.2mm folded thickness
- Lightweight at 226g (vegan leather)
- Massive 5150mAh battery with fast 66W charging
- Excellent 3.5x periscope telephoto lens
- High-durability Super Steel hinge
Cons
- Occasional software reliability issues (factory reset bug)
- MagicOS can feel cluttered compared to stock Android
- Limited availability in some Western markets
For those looking for an Honor Magic V3 US carrier compatibility and import guide, be aware that while the phone supports many global 5G bands, it may lack specific mmWave support for some US carriers. Always check with your provider before importing. At a price point of roughly £1,700, it is a premium investment, but for those who value portability above all else, it is currently the king of the category.
FAQ
How thin is the Honor Magic V3 compared to other foldables?
The Honor Magic V3 is the thinnest foldable currently available, measuring 9.2mm when folded. This is significantly thinner than the Google Pixel 9 Pro Fold (10.5mm) and the Samsung Galaxy Z Fold 6 (12.1mm).
Is the Honor Magic V3 durable enough for daily use?
Yes, it features an IPX8 water resistance rating and a Super Steel hinge rated for 500,000 folds. While it may experience some temporary hinge noise if exposed to extreme amounts of sand, it is built to withstand the rigors of standard daily use.
What is the battery life of the Honor Magic V3?
The 5,150mAh silicon-carbon battery typically lasts a full day even with heavy use. It supports 66W wired charging, which can fully recharge the device in about 48 minutes, outperforming many of its competitors.
Does the Honor Magic V3 have a visible screen crease?
The crease is present but very minimal. It is shallower than the crease found on Samsung foldables and is generally invisible when viewing the internal OLED display directly during video playback or reading.
Is the Honor Magic V3 better than the Samsung Galaxy Z Fold 6?
In terms of hardware design, weight, and charging speed, the Honor Magic V3 is superior. However, Samsung still holds the lead in software polished and long-term update reliability. The choice depends on whether you prioritize cutting-edge hardware or software stability.





