Sony Xperia 10 III vs. Realme C51: Detailed Comparison
1. Specifications Breakdown
Design & Build
| Feature | Sony Xperia 10 III | Realme C51 | Real-World Implications |
| Dimensions | 154 × 68 × 8.3 mm | 167.2 × 76.7 × 8 mm | Xperia 10 III is more compact and easier to handle one-handed. Realme C51 is larger, providing more screen real estate but may feel bulkier. |
| Weight | 169g | 186g | Xperia 10 III is significantly lighter, making it more comfortable for extended use. |
| Screen Protection | Gorilla Glass 6 | Unknown | Sony offers better drop protection, important for durability. |
Display
| Feature | Sony Xperia 10 III | Realme C51 | Real-World Implications |
| Size | 6.0" OLED | 6.74" IPS LCD | Realme C51 has a larger screen, but OLED on the Xperia offers deeper blacks and better contrast. |
| Resolution | 1080x2520 (457 PPI) | 720x1600 (260 PPI) | Xperia’s display is sharper, better for reading and media. Realme’s lower resolution is noticeable on a big screen. |
| Refresh Rate | 60Hz | 90Hz | Realme C51 feels smoother in scrolling and animations. |
Performance
| Feature | Sony Xperia 10 III | Realme C51 | Real-World Implications |
| Chipset | Snapdragon 690 5G | Unisoc Tiger T612 | Xperia has a stronger CPU/GPU, better for gaming and multitasking. |
| AnTuTu Score | 275,000 | 220,000 | ~25% faster performance on the Xperia. |
| RAM | 6GB | 4GB/6GB | 6GB on both is decent, but Realme’s base model has just 4GB, which may slow down over time. |
Camera
| Feature | Sony Xperia 10 III | Realme C51 | Real-World Implications |
| Main Camera | 12MP (f/1.8, Sony Exmor RS) | 50MP (f/1.8, Samsung S5KJN1) | Realme has higher resolution, but Sony’s sensor likely has better processing. |
| Ultrawide & Telephoto | 8MP UW + 8MP Tele | None | Xperia wins with versatility—better for landscapes and zoom shots. |
| Selfie Cam | 8MP (f/2.0) | 5MP (f/2.2) | Sony’s selfie cam is better in low light. |
| Video Recording | 4K@30fps, 120fps slow-mo | 1080p@30fps, no slow-mo | Xperia is far superior for video creators. |
Battery & Charging
| Feature | Sony Xperia 10 III | Realme C51 | Real-World Implications |
| Capacity | 4500mAh | 5000mAh | Realme lasts longer per charge. |
| Charging Speed | 18W | 33W | Realme charges much faster (~1hr vs. ~2hrs for Sony). |
2. Key Insights
Sony Xperia 10 III Strengths:
✅ Better display (OLED, sharper, better colors)
✅ Superior cameras (triple setup, 4K video, better selfies)
✅ Faster chipset (better gaming & multitasking)
✅ More premium build (Gorilla Glass 6, lighter)
Realme C51 Strengths:
✅ Bigger battery & faster charging (5000mAh, 33W)
✅ Higher refresh rate (90Hz for smoother UI)
✅ Newer OS out of the box (Android 13 vs. Android 11)
✅ More storage options (up to 256GB)
Trade-Offs & Limitations:
- Realme C51 has a lower-resolution display (noticeable on a 6.74" screen).
- Xperia 10 III has slower charging and a smaller battery.
- Realme’s Unisoc chipset is weaker for heavy tasks.
3. User Profiles & Recommendations
Who Should Buy the Sony Xperia 10 III?
- Photography & videography lovers (better cameras, 4K video)
- Media consumers (OLED screen, sharper display)
- Performance-focused users (stronger processor)
- Compact phone fans (lighter, easier to hold)
Who Should Buy the Realme C51?
- Battery life enthusiasts (5000mAh + 33W fast charging)
- Budget-conscious buyers (likely cheaper)
- Casual users (bigger screen for videos, smoother scrolling)
4. Buying Decision Framework
3 Questions to Ask Yourself:
- Do I prioritize camera quality or battery life?
- Camera → Sony | Battery → Realme
- Do I prefer a sharper OLED screen or a bigger 90Hz display?
- OLED → Sony | Big screen → Realme
- Do I need better performance or faster charging?
- Performance → Sony | Charging → Realme
Scenario-Based Recommendations:
- "I watch a lot of movies" → Sony (OLED display)
- "I hate charging my phone" → Realme (5000mAh + 33W)
- "I take lots of photos" → Sony (better cameras)
Final Verdict: Which Would I Choose?
I’d pick the Sony Xperia 10 III.
Why?
- Better display & cameras matter more to me than battery life.
- Snapdragon 690 will age better than the Unisoc T612.
- More compact & premium design feels better in hand.
However, if battery life is your #1 priority, the Realme C51 is the clear winner.