The smartphone industry is witnessing an exciting battle as Samsung and Apple compete to release the thinnest smartphone ever. Samsung’s Galaxy S25 Edge and Apple’s iPhone 17 Air are both generating significant buzz as they push the boundaries of slim smartphone design while offering cutting-edge technology.

As the competition for the sleekest device intensifies, tech enthusiasts eagerly await the official launches of these ultra-thin smartphones in 2025. In this article, we will take an in-depth look at both devices, comparing their design, display, performance, cameras, battery life, and expected release dates to see how they stack up against each other.

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Design & Dimensions: How Thin Can Smartphones Get?

Smartphone manufacturers have long pursued thinner and lighter designs, but the Galaxy S25 Edge and iPhone 17 Air take this competition to a new level.

• Samsung Galaxy S25 Edge: According to leaks, this device is expected to measure just 5.84mm in thickness—making it one of the slimmest Samsung phones ever released. The S25 Edge is likely to feature a curved-edge design, continuing Samsung’s trend of visually striking premium devices.
• iPhone 17 Air: Apple, known for its minimalist yet premium designs, is rumored to take things even further by making the iPhone 17 Air only 5.5mm thick. This would make it the thinnest iPhone ever and possibly the slimmest mainstream smartphone on the market.

Both devices will likely utilize advanced materials such as titanium or aluminum alloys to maintain durability despite their slim profiles. However, reducing thickness often comes with trade-offs, such as smaller batteries and fewer ports, which could impact usability.

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Display: AMOLED vs. OLED—Which One Reigns Supreme?

Both Samsung and Apple are renowned for their high-quality displays, and the Galaxy S25 Edge and iPhone 17 Air are expected to deliver exceptional visual experiences.

• Galaxy S25 Edge: Leaks suggest that the phone will feature a 6.7-inch AMOLED display with a 120Hz refresh rate. Samsung has always been a leader in display technology, and its AMOLED panels are known for their deep blacks, vibrant colors, and energy efficiency.
• iPhone 17 Air: Apple is expected to use a 6.6-inch OLED display, also supporting a 120Hz refresh rate. Apple’s OLED screens have historically provided true-to-life colors and excellent brightness levels, ensuring a fantastic viewing experience.

Both devices will likely feature thin bezels to maximize screen real estate, making them visually appealing and immersive for users.

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Performance: Snapdragon 8 Elite vs. Apple A19—Which Chipset Wins?

A phone’s performance is largely dictated by its processor and memory. With the Galaxy S25 Edge and iPhone 17 Air, we can expect cutting-edge chipsets optimized for speed, efficiency, and AI-driven features.

• Galaxy S25 Edge: Samsung is expected to equip this device with Qualcomm’s Snapdragon 8 Elite processor, paired with 12GB of RAM. This chipset is designed to handle demanding tasks such as gaming, multitasking, and AI-powered applications with ease.
• iPhone 17 Air: Apple’s device is rumored to run on the A19 Bionic chip, which is expected to be one of the most powerful smartphone processors ever. Apple’s custom chips have consistently outperformed competitors in raw performance and power efficiency. The iPhone 17 Air is likely to feature 8GB of RAM, which, combined with iOS optimization, should result in lightning-fast performance.

Both devices will support 5G connectivity, Wi-Fi 7, and advanced AI features, ensuring top-tier performance in all aspects.

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Camera: Samsung’s 200MP vs. Apple’s 48MP—Who Takes the Crown?

Camera technology is a key selling point for modern smartphones, and both Samsung and Apple have invested heavily in improving their photography and videography capabilities.

• Galaxy S25 Edge: Leaks suggest that Samsung will equip the S25 Edge with a 200MP main sensor, accompanied by a 12MP ultra-wide camera. Samsung’s advanced AI enhancements and computational photography techniques will likely make this an exceptional camera system, particularly for high-resolution photography.
• iPhone 17 Air: Apple is expected to take a different approach by using a single 48MP rear camera. While Apple may not prioritize high megapixel counts, its computational photography software, deep fusion, and Smart HDR ensure that iPhones consistently produce stunning images.

While the Galaxy S25 Edge will offer versatility with multiple lenses, the iPhone 17 Air will likely focus on software-driven enhancements for image processing. It remains to be seen which approach delivers the better photography experience.

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Battery Life & Charging: Sacrifices for a Slimmer Design?

One major challenge with ultra-thin smartphones is battery capacity. A thinner body leaves less room for a large battery, so manufacturers must rely on optimization techniques and efficient processors to maintain decent battery life.

• Galaxy S25 Edge: Samsung is rumored to equip this device with a 3,900mAh battery, which is smaller than the batteries found in most flagship devices. However, Samsung’s software optimizations and energy-efficient AMOLED display may help extend battery life. The phone is also expected to support 25W wired charging.
• iPhone 17 Air: Apple has not revealed battery details, but leaks suggest that it may feature a battery smaller than 4,000mAh. Like previous iPhones, it will likely prioritize battery efficiency through iOS optimizations rather than increasing battery size. The device is rumored to support 20W wired charging.

While these batteries may seem small compared to bulkier flagship models, software optimization will play a crucial role in ensuring all-day battery life.

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Expected Release Dates: When Can You Buy One?

Both Samsung and Apple are expected to release their ultra-thin flagship smartphones in 2025.

• Galaxy S25 Edge: Reports suggest that Samsung will launch the Galaxy S25 Edge on April 16, 2025. If this timeline holds, the device will likely be available for pre-orders shortly before its official release.
• iPhone 17 Air: Apple is expected to unveil the iPhone 17 series, including the iPhone 17 Air, in September 2025. Apple’s fall launch event typically includes announcements for multiple new devices, including standard iPhone models and Pro versions.

Both companies will likely begin their marketing campaigns several months before launch, so we can expect more leaks and teasers as the dates approach.

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Which Ultra-Thin Smartphone Is Right for You?

The Samsung Galaxy S25 Edge and iPhone 17 Air both offer stunningly slim designs and cutting-edge technology, but they cater to different user preferences.

• If you prefer Android, want a high-resolution camera, and need a larger battery, the Galaxy S25 Edge may be the better choice.
• If you value iOS optimizations, Apple’s ecosystem, and a refined user experience, the iPhone 17 Air could be the ideal pick.

Regardless of which device you choose, 2025 is shaping up to be an exciting year for smartphone innovation, with ultra-thin designs pushing the boundaries of mobile technology.

Which one would you pick? Let us know in the comments!

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