When you’re deciding between two premium smartphones like the iPhone 12 Pro and the Samsung Galaxy S21 Ultra 5G, it often comes down to priorities: performance, camera, ecosystem, or battery life. Both of these models are available renewed/unlocked and offer excellent value in 2025 for users who want flagship-level features at a lower price.
Let’s break down how these two stack up against each other:
🔍 Feature-by-Feature Comparison
| Mobile Image |  |  |
|---|---|---|
| Feature | iPhone 12 Pro (Renewed) | Samsung Galaxy S21 Ultra 5G (Renewed) |
| Display | 6.1-inch Super Retina XDR OLED | 6.8-inch Dynamic AMOLED 2X, 120Hz refresh rate |
| Processor | Apple A14 Bionic | Qualcomm Snapdragon 888 |
| RAM | 6GB | 12GB |
| Storage | 128GB | 128GB |
| Camera (Rear) | Triple: 12MP (wide), 12MP (ultrawide), 12MP (telephoto) | Quad: 108MP (wide), 12MP (ultrawide), 10MP (telephoto), 10MP (periscope) |
| Camera (Front) | 12MP | 40MP |
| Battery Life | Approx. 2,815 mAh – 17 hours video playback | 5,000 mAh – full day with heavy use |
| Operating System | iOS 17 (upgradable) | Android 14 (One UI) |
| Design | Stainless steel frame, Ceramic Shield | Sleek glass design, curved edges |
| 5G Support | Yes | Yes |
| Face Unlock / Fingerprint | Face ID only | Ultrasonic in-screen fingerprint + face unlock |
| Build Quality | IP68 water/dust resistant | IP68 water/dust resistant |
| Ecosystem | Seamless Apple ecosystem | Full Google/Android experience |
| Price Range (Renewed) | Usually around $400–$450 USD | Usually around $450–$500 USD |
🧠 Conclusion: Which Should You Choose?
Both phones are powerful, but they appeal to different types of users:
- Choose iPhone 12 Pro if:
- You prefer the iOS ecosystem and plan to use it with other Apple devices (Mac, iPad, Apple Watch).
- You value long software support and a compact yet premium design.
- You need great photo and video quality with ease of use.
- Choose Galaxy S21 Ultra if:
- You want a larger display with smoother performance (120Hz).
- You care about having the best camera hardware, especially zoom.
- You’re a power user who prefers more RAM and battery life.
✅ Our Opinion
If you’re after raw power and media consumption, the Samsung Galaxy S21 Ultra still feels more “ultra” in terms of screen size, battery, and camera zoom.
But if you’re an iOS fan or already in the Apple ecosystem, the iPhone 12 Pro remains a super-reliable and stylish flagship with excellent performance.
In 2025, both are smart buys — you just need to choose based on your preferences.