Realme 8i vs Vivo iQOO 15 Ultra
The Realme 8i (2021) runs on the MediaTek Helio G96, 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 43/100 (a 46-point difference). Key differences: the Vivo iQOO 15 Ultra has the bigger battery (7400 mAh vs 5000); the Vivo iQOO 15 Ultra is faster in AnTuTu (4,602,290 vs 493,222); the Vivo iQOO 15 Ultra has NFC for contactless payments, the Realme 8i doesn't; the Realme 8i is noticeably lighter (194g vs 227g).
Profile comparison
Category scores
Realme 8i
Vivo iQOO 15 Ultra
What makes Realme 8i better?
- Lighter: 194g vs 227g
- Better portability (57/100 vs 35/100)
What makes Vivo iQOO 15 Ultra better?
- Higher AnTuTu: 4602290 vs 493222
- Better Geekbench Single: 3639 vs 674
- Better Geekbench Multi: 11047 vs 1793
- Bigger battery: 7400 vs 5000 mAh
- Faster charging: 120W vs 18W
- Higher refresh rate: 144Hz vs 120Hz
- Higher performance (99/100 vs 40/100)
- Better camera (78/100 vs 32/100)
- Longer battery life (92/100 vs 43/100)
- Better display (99/100 vs 66/100)
Comparison verdict
Comparing the Realme 8i vs the Vivo iQOO 15 Ultra, the Vivo iQOO 15 Ultra scores 46 points higher (89/100 vs 43/100). In the "performance" category, the Vivo iQOO 15 Ultra leads (99/100 vs 40/100). In the "camera" category, the Vivo iQOO 15 Ultra leads (78/100 vs 32/100). In the "battery" category, the Vivo iQOO 15 Ultra leads (92/100 vs 43/100). In the "performance" category, the Vivo iQOO 15 Ultra significantly outperforms the Realme 8i (99/100 vs 40/100). In the "display" category, the Vivo iQOO 15 Ultra significantly outperforms the Realme 8i (99/100 vs 66/100). In the "camera" category, the Vivo iQOO 15 Ultra significantly outperforms the Realme 8i (78/100 vs 32/100). In the "battery" category, the Vivo iQOO 15 Ultra significantly outperforms the Realme 8i (92/100 vs 43/100). In the "portability" category, the Realme 8i notably outperforms the Vivo iQOO 15 Ultra (57/100 vs 35/100).
Specs comparison
| Specification | Realme 8i | Vivo iQOO 15 Ultra | |
|---|---|---|---|
| Processor | MediaTek Helio G96 | Qualcomm Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 493222 | 4602290 | |
| Geekbench Single | 674 | 3639 | |
| Geekbench Multi | 1793 | 11047 | |
| Display | 6.6" IPS LCD | 6.8" LTPO AMOLED | |
| Resolution | 1080x2412 | 1440x3168 | |
| Refresh rate | 120 Hz | 144 Hz | |
| Battery | 5000 mAh | 7400 mAh | |
| Charging | 18W | 120W | |
| Wireless charging | 0W | 50W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 0 MP | 50 MP | |
| Telephoto | 0 MP | 50 MP | |
| Front camera | 16 MP | 32 MP | |
| RAM | 4GB / 6GB | 12GB / 16GB / 24GB | |
| Storage | 64GB / 128GB | 256GB / 512GB / 1TB | |
| OS | Android 11, Realme UI 2.0 | Android 16 | |
| Brightness (peak) | 600 nits | 8000 nits | |
| NFC | no | yes | |
| Protection | — | IP68 | |
| Dimensions | 164.1×75.5×8.5 mm | 163.7×76.8×8.7 mm | |
| Weight | 194 g | 227 g | |
| Launch price | — | $799 |
Camera comparison
Realme 8i
- Main: 50MP f/1.8
- Front: 16MP
Vivo iQOO 15 Ultra
- Main: 50MP f/1.9
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Display comparison
Realme 8i
- 6.6" IPS LCD
- Resolution: 1080x2412
- Refresh rate: 120 Hz
Vivo iQOO 15 Ultra
- 6.8" LTPO AMOLED
- Resolution: 1440x3168
- Refresh rate: 144 Hz
Battery and charging
Realme 8i
- 5000 mAh
- Wired: 18W
- No wireless charging
Vivo iQOO 15 Ultra
- 7400 mAh
- Wired: 120W
- Wireless: 50W
Overall performance score
We compared Realme 8i and Vivo iQOO 15 Ultra, covering their specs and all relevant benchmarks.
Vivo iQOO 15 Ultra leads Realme 8i by 89.3% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Realme 8i
Price unknownDetailed category analysis
performance
In the "performance" category, the Vivo iQOO 15 Ultra significantly outperforms the Realme 8i (99/100 vs 40/100).
display
In the "display" category, the Vivo iQOO 15 Ultra significantly outperforms the Realme 8i (99/100 vs 66/100).
camera
In the "camera" category, the Vivo iQOO 15 Ultra significantly outperforms the Realme 8i (78/100 vs 32/100).
battery
In the "battery" category, the Vivo iQOO 15 Ultra significantly outperforms the Realme 8i (92/100 vs 43/100).
portability
In the "portability" category, the Realme 8i notably outperforms the Vivo iQOO 15 Ultra (57/100 vs 35/100).
Frequently asked questions
Which is better: the Realme 8i or the Vivo iQOO 15 Ultra?
The Vivo iQOO 15 Ultra significantly outperforms the Realme 8i by 46 points (89/100 vs 43/100).
What is the rating of the Realme 8i and the Vivo iQOO 15 Ultra?
The Realme 8i has a MobileRank rating of 43/100, the Vivo iQOO 15 Ultra — 89/100.
Which has the better camera: the Realme 8i or the Vivo iQOO 15 Ultra?
The Vivo iQOO 15 Ultra leads on camera score (78/100 vs 32/100).
Which is more powerful: the Realme 8i or the Vivo iQOO 15 Ultra?
The Vivo iQOO 15 Ultra leads on performance (99/100 vs 40/100).
Should you choose the Realme 8i 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.