In 2025, budget-friendly flagship smartphones with powerful specs are still in demand. If you’re searching for the best 5G phone under budget, two top contenders are the Apple iPhone 12 (128GB) and the Samsung Galaxy S21 5G (128GB). Both devices are available in renewed condition on Amazon, offering premium features at lower prices.
In this detailed comparison, we’ll explore design, performance, camera, battery, and more — helping you decide which 5G smartphone is better in 2025.
📱 Quick Overview
- iPhone 12: Compact, stylish, and extremely optimized for long-term iOS users.
- Samsung Galaxy S21: Sleek design, powerful display, and better camera versatility.
🔍 Side-by-Side Comparison Table
| Mobile Image |  |  |
|---|---|---|
| Feature | iPhone 12 (128GB, Blue) | Samsung Galaxy S21 5G (128GB, Phantom Gray) |
| Image | ||
| Display | 6.1″ Super Retina XDR OLED, HDR10 | 6.2″ Dynamic AMOLED 2X, 120Hz, HDR10+ |
| Processor | A14 Bionic chip, 5nm, blazing-fast performance | Snapdragon 888 (US), flagship-level Android chip |
| Camera Setup | Dual 12MP (Main + Ultra-wide) | Triple Camera: 12MP Wide + 64MP Telephoto + 12MP Ultra-wide |
| Battery Life | Up to 17 hours video playback | Up to 18 hours video playback |
| Operating System | iOS 17 Supported | Android 14 with One UI 6.1 |
| Build Quality | Aluminum frame, Ceramic Shield front | Aluminum frame, Gorilla Glass Victus front/back |
| 5G Connectivity | Yes | Yes |
| Biometrics | Face ID | Ultrasonic Fingerprint Scanner |
| Weight | 164g | 169g |
📷 Camera Comparison
- iPhone 12 delivers superb photography with deep integration of Smart HDR and Night Mode.
- Galaxy S21 offers more shooting versatility, including 30x Space Zoom, Pro Mode, and 8K video recording — ideal for creators.
⚡ Performance & Software
The A14 Bionic chip in the iPhone 12 is still one of the fastest processors, perfect for gaming, editing, and multitasking.
The Snapdragon 888 in the Galaxy S21 ensures blazing-fast Android performance with top graphics rendering.
🔋 Battery & Charging
Both phones offer reliable battery life for all-day use, though Galaxy S21 gives you fast charging and wireless power share — letting you charge other devices too.
💡 Which One Should You Buy in 2025?
If you’re someone who loves iOS simplicity, long-term updates, and strong privacy — go with the iPhone 12.
If you’re into photography, customization, Android apps, and smoother high-refresh-rate displays — Samsung Galaxy S21 is the better pick.
Verdict:
Both are excellent, but Samsung Galaxy S21 wins in camera and display. iPhone 12 takes the lead in stability and long-term software support.