Top 5 best thin smartphones of 2025
By ForGeeks
In 2025, manufacturers proved that thin doesn’t mean compromise. Apple, Samsung, Oppo and Tecno have unveiled smartphones that combine minimal thickness, flagship performance, powerful cameras and capacious batteries. Below —s a detailed review of the thinnest models released this year.
iPhone Air
Apple has launched the iPhone Air — the thinnest iPhone in history at just 5.64mm thick. The smartphone features a 6.5-inch Super Retina XDR OLED display with ProMotion support up to 120Hz and peak brightness up to 3000 nits. It supports Always-On Display and Ceramic Shield 2 protective glass on both the front and back.
The A19 Pro chip, built using a 3nm process, is responsible for the device’s performance. It includes a 6-core CPU, a 5-core neuro-accelerated GPU, and a new N1 wireless chip with Wi-Fi 7 and Bluetooth 6 support. The C1X modem delivers faster mobile speeds while reducing power consumption by 30 percent compared to the previous generation.
The rear uses a new «plateau»-design to house the 48MP Fusion camera and motherboard. The camera is complemented by a 12MP telephoto lens with 2x zoom and new portrait modes. The 18MP front camera gets a square sensor, support for ultra-stabilized 4K HDR shooting, and Dual Capture mode for simultaneous dual-camera recording.
An 18MP front-facing camera has a square sensor, support for ultra-stabilized 4K HDR shooting, and Dual Capture mode for simultaneous dual-camera recording.
The smartphone only supports eSIM worldwide and features an Action Button with customizable features. It runs iOS 26 and has a battery life of up to 27 hours of video playback.
Smartphone supports only eSIM worldwide and has an Action Button with customizable features.
Samsung Galaxy S25 Edge
Galaxy S25 Edge — the thinnest member of the Galaxy S series, it measures 5.8 mm thick at 163 g. The device gets a 6.7-inch QHD+ LTPO AMOLED display with 1-120 Hz adaptive frequency and Gorilla Glass Ceramic 2 protection.
The smartphone is powered by the Snapdragon 8 Elite for Galaxy processor and features an advanced vapor chamber cooling system. The case is IP68-certified.
The 200MP main camera shows 40% better low-light performance compared to the Galaxy S25. Additionally, there’s a 12MP ultra-wide camera with autofocus for macro photography. The front camera is —12MP with 4K support.
The smartphone runs on Android 15 with the One UI 7 shell. Galaxy AI features supported are Call Transcript, Writing Assist, Circle to Search and Drawing Assist. Samsung promises seven years of system and security updates.
Tecno Pova Slim 5G
Tecno has unveiled the Pova Slim 5G — the brand’s thinnest smartphone with a curved screen. The body is — 5.95 mm thick and weighs — 156 g. The device has a 6.78-inch AMOLED display with 1.5K resolution and 144 Hz. The maximum brightness reaches 4500 nits, the screen is protected by Gorilla Glass 7i.
The MediaTek Dimensity 6400 paired with 8GB of RAM and 128GB of internal storage is responsible for the performance. The smartphone runs on Android 15 with HiOS 15 shell and features Ella AI assistant with support for Indian languages.
The main camera is — 50MP and the front camera is — 13MP. A unique feature — Dynamic Mood Light system, the backlighting of the case that responds to calls, notifications and user actions.
Despite its slim body, the smartphone has a 5160 mAh battery and supports 45W charging.
Oppo Find N5
Oppo has released the foldable Find N5 with a focus on minimal thickness. When unfolded, the case is only 4.21mm thick, when folded — 8.93mm. The device features two displays: an 8.12-inch LTPO AMOLED display with 2K resolution at 120Hz, and a 6.62-inch external FHD+ AMOLED display. Both support a stylus.
The smartphone has a next-generation titanium hinge created using 3D printing from aerospace materials. Compared to its predecessor, it is 26% thinner and 36% stronger, with a folding life confirmed by TÜV Rheinland — 100,000 cycles. The device is powered by Snapdragon 8 Elite, has 16GB of LPDDR5X RAM and 512GB of UFS 4.0 storage. It runs on ColorOS 15 (Android 15) and supports O+ Connect for remote access from a Mac.
The device runs on ColorOS 15 (Android 15) and supports O+ Connect for remote access from a Mac.
Cameras include a 50MP main camera, 8MP ultra-wide and a 50MP periscopic telephoto lens with triple zoom. Power is provided by a 5,600 mAh battery with support for 80W charging via cable and 50W wireless.
Samsung Galaxy Z Fold 7
The Galaxy Z Fold 7 is thinner and lighter than its predecessors — it weighs 215g and is only 4.2mm thick when unfolded.
The internal display is — 8-inch QXGA+ AMOLED at 120Hz, the external display — 6.5-inch FHD+ AMOLED with the same parameters. Gorilla Glass Ceramic 2 is used to protect the outer screen.
The device is powered by Snapdragon 8 Elite for Galaxy, supports up to 16GB of RAM and 1TB of internal storage.
The main camera is —200MP, with an additional 12MP ultra-wide and 10MP telephoto. There are 10MP front cameras each inside and out.
The smartphone runs Android 16 with the One UI 8 shell and Galaxy AI feature set: Photo Assist, Audio Eraser, Drawing Assist and Gemini Live. New security features include —Knox Encrypted Protection and support for post-quantum encryption.
The new security features include a new security appliance, Knox Encrypted Protection, and support for post-quantum encryption.
The battery capacity is 4,400 mAh and supports 25W cable charging, 15W wireless and 4.5W reverse charging.
