Realme C53 vs Vivo iQOO 15 Ultra
The Realme C53 (2023) runs on the Unisoc Tiger T612, while the Vivo iQOO 15 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite Gen 5. By overall MobileRank rating, the Vivo iQOO 15 Ultra leads — 89/100 vs 34/100 (a 55-point difference). Key differences: the Vivo iQOO 15 Ultra has the bigger battery (7400 mAh vs 5000); the Vivo iQOO 15 Ultra has NFC for contactless payments, the Realme C53 doesn't; the Realme C53 is noticeably lighter (182g vs 227g).
Realme C53
Vivo iQOO 15 Ultra
- Lighter: 182g vs 227g
- Better portability (75/100 vs 35/100)
- Better Geekbench Single: 3640 vs 360
- Better Geekbench Multi: 11033 vs 1250
- Bigger battery: 7400 vs 5000 mAh
- Faster charging: 120W vs 33W
- Higher refresh rate: 144Hz vs 90Hz
- Higher performance (99/100 vs 16/100)
- Longer battery life (92/100 vs 46/100)
- Better display (99/100 vs 54/100)
Comparing the Realme C53 vs the Vivo iQOO 15 Ultra, the Vivo iQOO 15 Ultra scores 55 points higher (89/100 vs 34/100). In the "performance" category, the Vivo iQOO 15 Ultra leads (99/100 vs 16/100). In the "battery" category, the Vivo iQOO 15 Ultra leads (92/100 vs 46/100). In the "performance" category, the Vivo iQOO 15 Ultra significantly outperforms the Realme C53 (99/100 vs 16/100). In the "display" category, the Vivo iQOO 15 Ultra significantly outperforms the Realme C53 (99/100 vs 54/100). In the "battery" category, the Vivo iQOO 15 Ultra significantly outperforms the Realme C53 (92/100 vs 46/100). In the "portability" category, the Realme C53 significantly outperforms the Vivo iQOO 15 Ultra (75/100 vs 35/100).
| Specification | Realme C53 | Vivo iQOO 15 Ultra | |
|---|---|---|---|
| Processor | Unisoc Tiger T612 | Qualcomm Snapdragon 8 Elite Gen 5 | |
| AnTuTu | — | 4602290 | |
| Geekbench Single | 360 | 3640 | |
| Geekbench Multi | 1250 | 11033 | |
| Display | 6.7" IPS LCD | 6.8" LTPO AMOLED | |
| Resolution | 1080x2400 | 1440x3168 | |
| Refresh rate | 90 Hz | 144 Hz | |
| Battery | 5000 mAh | 7400 mAh | |
| Charging | 33W | 120W | |
| Wireless charging | 0W | 50W | |
| Main camera | — | 50 MP | |
| Ultrawide | 0 MP | 50 MP | |
| Telephoto | 0 MP | 50 MP | |
| Front camera | 8 MP | 32 MP | |
| RAM | 6GB / 8GB | 12GB / 16GB / 24GB | |
| Storage | 128GB / 256GB | 256GB / 512GB / 1TB | |
| OS | Android 13, Realme UI T | Android 16 | |
| Brightness (peak) | 560 nits | 8000 nits | |
| NFC | no | yes | |
| Protection | — | IP68 | |
| Dimensions | 167.3×76.7×7.5 mm | 163.7×76.8×8.7 mm | |
| Weight | 182 g | 227 g | |
| Launch price | — | $799 |
Realme C53
- Main: —
- Front: 8MP
Vivo iQOO 15 Ultra
- Main: 50MP f/f/1.9
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Realme C53
- 6.7" IPS LCD
- Resolution: 1080x2400
- Refresh rate: 90 Hz
Vivo iQOO 15 Ultra
- 6.8" LTPO AMOLED
- Resolution: 1440x3168
- Refresh rate: 144 Hz
Realme C53
- 5000 mAh
- Wired: 33W
- No wireless charging
Vivo iQOO 15 Ultra
- 7400 mAh
- Wired: 120W
- Wireless: 50W
Realme C53
Price unknownperformance
In the "performance" category, the Vivo iQOO 15 Ultra significantly outperforms the Realme C53 (99/100 vs 16/100).
display
In the "display" category, the Vivo iQOO 15 Ultra significantly outperforms the Realme C53 (99/100 vs 54/100).
battery
In the "battery" category, the Vivo iQOO 15 Ultra significantly outperforms the Realme C53 (92/100 vs 46/100).
portability
In the "portability" category, the Realme C53 significantly outperforms the Vivo iQOO 15 Ultra (75/100 vs 35/100).
Which is better: the Realme C53 or the Vivo iQOO 15 Ultra?
The Vivo iQOO 15 Ultra significantly outperforms the Realme C53 by 55 points (89/100 vs 34/100).
What is the rating of the Realme C53 and the Vivo iQOO 15 Ultra?
The Realme C53 has a MobileRank rating of 34/100, the Vivo iQOO 15 Ultra — 89/100.
Which is more powerful: the Realme C53 or the Vivo iQOO 15 Ultra?
The Vivo iQOO 15 Ultra leads on performance (99/100 vs 16/100).
Should you choose the Realme C53 over the Vivo iQOO 15 Ultra?
The Realme C53 is a better fit for everyday use. The Vivo iQOO 15 Ultra is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.