In 2025, smartphone makers are pushing the envelope—crafting devices so slender they almost disappear in your hand. These ultra-thin marvels combine cutting-edge materials, AI-powered cameras, and flagship-grade processors to redefine sleek.
Whether you’re pocket-conscious or simply crave the latest engineering feats, these phones prove that slim can still be mighty. Let’s dive into the five thinnest smartphones of 2025, explore their standout specs, and help you choose the one that fits both your style and needs.
1. Samsung Galaxy S25 Edge 5G AI Smartphone
Buy on AmazonWeighing just 163 g and measuring a record-low 5.8 mm, the Galaxy S25 Edge 5G fuses a titanium frame with Corning Gorilla Glass Ceramic 2 for strength. Powered by Snapdragon 8 Elite for Galaxy and featuring a 200 MP AI-enhanced camera system, it brings Galaxy AI’s new generation of on-device assistance to your fingertips.
Key Specifications:
- Thickness: 5.8 mm
- Display: 6.7″ Dynamic AMOLED 2X, 120 Hz adaptive
- Processor: Snapdragon 8 Elite for Galaxy, up to 4.47 GHz
- RAM & Storage: 12 GB RAM, 512 GB UFS 4.0
- Camera: 200 MP wide + 12 MP ultrawide; 12 MP front
Pros:
- Ultra-premium titanium build with ceramic glass
- Industry-leading AI camera tools
Cons:
- Higher price point vs. S25 Ultra
- No telephoto lens
2. Infinix Hot 50 5G (Vibrant Blue)
Buy on AmazonAt just 7.82 mm and 188 g, the Infinix Hot 50 5G combines a 6.7″ HD+ punch-hole display with 8 GB RAM and 128 GB storage (expandable to 1 TB). Powered by MediaTek Dimensity 6300 and backed by a 5000 mAh battery, it delivers solid 5G performance in an elegant, slim profile.
Key Specifications:
- Thickness: 7.82 mm; 188 g
- Display: 6.70″ HD+ (720×1600), 120 Hz
- Processor: MediaTek Dimensity 6300, octa-core @2 GHz
- Memory: 8 GB RAM + 128 GB storage; microSD support
- Battery: 5000 mAh Li-Po with 18 W fast-charge
Pros:
- Exceptional battery life
- Expandable storage up to 1 TB
Cons:
- Lower-resolution HD+ screen
- No flagship-grade camera
3. HONOR 200 Lite 5G (Starry Blue)
Buy on AmazonMeasuring only 6.78 mm and weighing 166 g, the HONOR 200 Lite 5G sports a flagship-style 6.7″ FHD+ AMOLED display with 3240 Hz PWM dimming. It’s powered by MediaTek Dimensity 6080, packs 8 GB RAM + 256 GB storage, and features a 108 MP main + 50 MP selfie setup with AI movie-making tools.
Key Specifications:
- Thickness: 6.78 mm; 166 g
- Display: 6.7″ FHD+ AMOLED, 3240 Hz PWM
- Processor: MediaTek Dimensity 6080, octa-core @2.4 GHz
- Memory: 8 GB RAM + 256 GB storage
- Camera: 108 MP main + 5 MP depth + 2 MP macro; 50 MP front
Pros:
- AI-enhanced photography features
- Premium AMOLED display
Cons:
- No telephoto lens
- Charger sold separately
4. HONOR X9b 5G (Midnight Black)
Buy on AmazonWith a 7.98 mm curved Ultra-Bounce AMOLED display, the X9b 5G offers 360° drop resistance and a 5800 mAh battery rated Gold by DXOMARK. It runs MagicOS 7.2 on Android 13, powered by Snapdragon 6 Gen 1, and features a 108 MP primary + 5 MP ultrawide + 2 MP macro camera array.
Key Specifications:
- Thickness: 7.98 mm; 185 g
- Display: 6.78″ curved AMOLED, 120 Hz, 1200 nits
- Processor: Qualcomm Snapdragon 6 Gen 1 @2.2 GHz
- Memory: 8 GB RAM + 256 GB storage
- Battery: 5800 mAh, ~3-day use
Pros:
- Best-in-class drop protection
- Massive battery capacity
Cons:
- Slightly thicker than competitors
- No charger in box
5. Motorola razr 40 (Summer Lilac)
Buy on AmazonWhen open, the Razr 40 measures only 7.35 mm and weighs 188.6 g. It features a 6.9″ 144 Hz AMOLED foldable display, Snapdragon 7 Gen 1, 8 GB RAM + 256 GB storage, and a 64 MP main + 13 MP ultrawide dual-camera setup—all running Android 13 with a 4200 mAh battery and 30 W TurboPower charging.
Key Specifications:
- Thickness: 7.35 mm (open) / 15.8 mm (folded)
- Display: 6.9″ AMOLED, 144 Hz (foldable)
- Processor: Snapdragon 7 Gen 1, octa-core @2.4 GHz
- Memory: 8 GB RAM + 256 GB storage
- Camera: 64 MP main + 13 MP ultrawide; 13 MP front
Pros:
- Unique foldable design
- Fast 144 Hz refresh rate
Cons:
- Battery compromises for thinness
- Price premium over clamshell rivals
Specifications comparison of thinnest smartphones
| Smartphone | Thickness | Display | Battery |
| Samsung Galaxy S25 Edge 5G | 5.8 mm | 6.7″ Dynamic AMOLED 2X, 120 Hz | 3900 mAh |
| Infinix Hot 50 5G | 7.82 mm | 6.70″ HD+ (720×1600), 120 Hz | 5000 mAh |
| HONOR 200 Lite 5G | 6.78 mm | 6.7″ FHD+ AMOLED, 3240 Hz PWM | 4500 mAh |
| HONOR X9b 5G | 7.98 mm | 6.78″ Curved AMOLED, 120 Hz | 5800 mAh |
| Motorola razr 40 | 7.35 mm (open) | 6.9″ AMOLED foldable, 144 Hz | 4200 mAh |
Finding your perfect thinnest smartphones of 2025
Choosing the ideal ultra-slim phone depends on your priorities—whether it’s flagship performance, battery endurance, or a unique form factor. Here’s how to pick:
- Ultimate Slimness & Durability: Go for the Galaxy S25 Edge 5G (5.8 mm / titanium).
- Budget-Friendly Everyday Use: The Infinix Hot 50 5G balances slim with price.
- Camera-Centric Creativity: HONOR 200 Lite 5G packs 108 MP prowess.
- Max Battery Life: HONOR X9b 5G’s 5800 mAh keeps you going.
- Foldable Novelty: Motorola razr 40 delivers modern foldable flair.
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