Realme C25 vs Vivo iQOO 15 Ultra
The Realme C25 (2021) runs on the MediaTek Helio G70, 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 33/100 (a 56-point difference). Key differences: the Vivo iQOO 15 Ultra has the bigger battery (7400 mAh vs 6000); the main camera is 48 MP vs 50 MP; the Vivo iQOO 15 Ultra is faster in AnTuTu (4,602,290 vs 317,084); the Vivo iQOO 15 Ultra has NFC for contactless payments, the Realme C25 doesn't; the Realme C25 is noticeably lighter (209g vs 227g).
Profile comparison
Category scores
Realme C25
Vivo iQOO 15 Ultra
What makes Realme C25 better?
- Lighter: 209g vs 227g
- Better portability (38/100 vs 35/100)
What makes Vivo iQOO 15 Ultra better?
- Higher AnTuTu: 4602290 vs 317084
- Better Geekbench Single: 3639 vs 417
- Better Geekbench Multi: 11047 vs 1345
- Bigger battery: 7400 vs 6000 mAh
- Faster charging: 120W vs 18W
- Better main camera: 50MP vs 48MP
- Higher performance (99/100 vs 27/100)
- Better camera (78/100 vs 29/100)
- Longer battery life (92/100 vs 51/100)
- Better display (99/100 vs 39/100)
Comparison verdict
Comparing the Realme C25 vs the Vivo iQOO 15 Ultra, the Vivo iQOO 15 Ultra scores 56 points higher (89/100 vs 33/100). In the "performance" category, the Vivo iQOO 15 Ultra leads (99/100 vs 27/100). In the "camera" category, the Vivo iQOO 15 Ultra leads (78/100 vs 29/100). In the "battery" category, the Vivo iQOO 15 Ultra leads (92/100 vs 51/100). In the "performance" category, the Vivo iQOO 15 Ultra significantly outperforms the Realme C25 (99/100 vs 27/100). In the "display" category, the Vivo iQOO 15 Ultra significantly outperforms the Realme C25 (99/100 vs 39/100). In the "camera" category, the Vivo iQOO 15 Ultra significantly outperforms the Realme C25 (78/100 vs 29/100). In the "battery" category, the Vivo iQOO 15 Ultra significantly outperforms the Realme C25 (92/100 vs 51/100). In the "portability" category, the Realme C25 and the Vivo iQOO 15 Ultra are nearly equal (38/100 vs 35/100).
Specs comparison
| Specification | Realme C25 | Vivo iQOO 15 Ultra | |
|---|---|---|---|
| Processor | MediaTek Helio G70 | Qualcomm Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 317084 | 4602290 | |
| Geekbench Single | 417 | 3639 | |
| Geekbench Multi | 1345 | 11047 | |
| Display | 6.5" IPS LCD | 6.8" LTPO AMOLED | |
| Resolution | 720x1600 | 1440x3168 | |
| Refresh rate | — | 144 Hz | |
| Battery | 6000 mAh | 7400 mAh | |
| Charging | 18W | 120W | |
| Wireless charging | 0W | 50W | |
| Main camera | 48 MP | 50 MP | |
| Ultrawide | 0 MP | 50 MP | |
| Telephoto | 0 MP | 50 MP | |
| Front camera | 8 MP | 32 MP | |
| RAM | 4GB | 12GB / 16GB / 24GB | |
| Storage | 64GB / 128GB | 256GB / 512GB / 1TB | |
| OS | Android 11, Realme UI 2.0 | Android 16 | |
| Brightness (peak) | 480 nits | 8000 nits | |
| NFC | no | yes | |
| Protection | — | IP68 | |
| Dimensions | 164.5×75.9×9.6 mm | 163.7×76.8×8.7 mm | |
| Weight | 209 g | 227 g | |
| Launch price | — | $799 |
Camera comparison
Realme C25
- Main: 48MP f/1.8
- Front: 8MP
Vivo iQOO 15 Ultra
- Main: 50MP f/1.9
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Display comparison
Realme C25
- 6.5" IPS LCD
- Resolution: 720x1600
- Refresh rate: —
Vivo iQOO 15 Ultra
- 6.8" LTPO AMOLED
- Resolution: 1440x3168
- Refresh rate: 144 Hz
Battery and charging
Realme C25
- 6000 mAh
- Wired: 18W
- No wireless charging
Vivo iQOO 15 Ultra
- 7400 mAh
- Wired: 120W
- Wireless: 50W
Overall performance score
We compared Realme C25 and Vivo iQOO 15 Ultra, covering their specs and all relevant benchmarks.
Vivo iQOO 15 Ultra leads Realme C25 by 93.1% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Realme C25
Price unknownDetailed category analysis
performance
In the "performance" category, the Vivo iQOO 15 Ultra significantly outperforms the Realme C25 (99/100 vs 27/100).
display
In the "display" category, the Vivo iQOO 15 Ultra significantly outperforms the Realme C25 (99/100 vs 39/100).
camera
In the "camera" category, the Vivo iQOO 15 Ultra significantly outperforms the Realme C25 (78/100 vs 29/100).
battery
In the "battery" category, the Vivo iQOO 15 Ultra significantly outperforms the Realme C25 (92/100 vs 51/100).
portability
In the "portability" category, the Realme C25 and the Vivo iQOO 15 Ultra are nearly equal (38/100 vs 35/100).
Frequently asked questions
Which is better: the Realme C25 or the Vivo iQOO 15 Ultra?
The Vivo iQOO 15 Ultra significantly outperforms the Realme C25 by 56 points (89/100 vs 33/100).
What is the rating of the Realme C25 and the Vivo iQOO 15 Ultra?
The Realme C25 has a MobileRank rating of 33/100, the Vivo iQOO 15 Ultra — 89/100.
Which has the better camera: the Realme C25 or the Vivo iQOO 15 Ultra?
The Vivo iQOO 15 Ultra leads on camera score (78/100 vs 29/100).
Which is more powerful: the Realme C25 or the Vivo iQOO 15 Ultra?
The Vivo iQOO 15 Ultra leads on performance (99/100 vs 27/100).
Should you choose the Realme C25 over the Vivo iQOO 15 Ultra?
The Vivo iQOO 15 Ultra is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.