Redmi 8 vs Vivo iQOO 15 Ultra
The Redmi 8 (2019) runs on the Qualcomm Snapdragon 439, while the Vivo iQOO 15 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite Gen 5; launch prices were $140 and $799. By overall MobileRank rating, the Vivo iQOO 15 Ultra leads — 89/100 vs 23/100 (a 66-point difference). Key differences: the Vivo iQOO 15 Ultra has the bigger battery (7400 mAh vs 5000); the main camera is 12 MP vs 50 MP; the Vivo iQOO 15 Ultra is faster in AnTuTu (4,602,290 vs 193,115); the Vivo iQOO 15 Ultra has NFC for contactless payments, the Redmi 8 doesn't; the Redmi 8 is noticeably lighter (188g vs 227g).
Redmi 8
Vivo iQOO 15 Ultra
- Lighter: 188g vs 227g
- Cheaper at launch: $140 vs $799
- Better portability (52/100 vs 35/100)
- Higher AnTuTu: 4602290 vs 193115
- Better Geekbench Single: 3640 vs 199
- Better Geekbench Multi: 11033 vs 795
- Bigger battery: 7400 vs 5000 mAh
- Better main camera: 50MP vs 12MP
- Higher refresh rate: 144Hz vs 60Hz
- Higher performance (99/100 vs 12/100)
- Better camera (78/100 vs 10/100)
- Longer battery life (92/100 vs 52/100)
- Better display (99/100 vs 32/100)
Comparing the Redmi 8 vs the Vivo iQOO 15 Ultra, the Vivo iQOO 15 Ultra scores 66 points higher (89/100 vs 23/100). In the "performance" category, the Vivo iQOO 15 Ultra leads (99/100 vs 12/100). In the "camera" category, the Vivo iQOO 15 Ultra leads (78/100 vs 10/100). In the "battery" category, the Vivo iQOO 15 Ultra leads (92/100 vs 52/100). Value score: Redmi 8 — 24/100, Vivo iQOO 15 Ultra — 90/100; it is biased by price level, so it should not be compared directly between devices at different prices. In the "performance" category, the Vivo iQOO 15 Ultra significantly outperforms the Redmi 8 (99/100 vs 12/100). In the "display" category, the Vivo iQOO 15 Ultra significantly outperforms the Redmi 8 (99/100 vs 32/100). In the "camera" category, the Vivo iQOO 15 Ultra significantly outperforms the Redmi 8 (78/100 vs 10/100). In the "battery" category, the Vivo iQOO 15 Ultra significantly outperforms the Redmi 8 (92/100 vs 52/100). In the "portability" category, the Redmi 8 notably outperforms the Vivo iQOO 15 Ultra (52/100 vs 35/100).
| Specification | Redmi 8 | Vivo iQOO 15 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 439 | Qualcomm Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 193115 | 4602290 | |
| Geekbench Single | 199 | 3640 | |
| Geekbench Multi | 795 | 11033 | |
| Display | 6.2" IPS LCD | 6.8" LTPO AMOLED | |
| Resolution | — | 1440x3168 | |
| Refresh rate | 60 Hz | 144 Hz | |
| Battery | 5000 mAh | 7400 mAh | |
| Charging | — | 120W | |
| Wireless charging | 0W | 50W | |
| Main camera | 12 MP | 50 MP | |
| Ultrawide | 0 MP | 50 MP | |
| Telephoto | 0 MP | 50 MP | |
| Front camera | 8 MP | 32 MP | |
| RAM | 3GB / 4GB | 12GB / 16GB / 24GB | |
| Storage | 32GB / 64GB | 256GB / 512GB / 1TB | |
| OS | — | Android 16 | |
| Brightness (peak) | — | 8000 nits | |
| NFC | no | yes | |
| Protection | — | IP68 | |
| Dimensions | 156.5×75.4×9.4 mm | 163.7×76.8×8.7 mm | |
| Weight | 188 g | 227 g | |
| Launch price | $140 | $799 |
Redmi 8
- Main: 12MP
- Front: 8MP
Vivo iQOO 15 Ultra
- Main: 50MP f/f/1.9
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Redmi 8
- 6.2" IPS LCD
- Refresh rate: 60 Hz
Vivo iQOO 15 Ultra
- 6.8" LTPO AMOLED
- Resolution: 1440x3168
- Refresh rate: 144 Hz
Redmi 8
- 5000 mAh
- No wireless charging
Vivo iQOO 15 Ultra
- 7400 mAh
- Wired: 120W
- Wireless: 50W
We compared Redmi 8 and Vivo iQOO 15 Ultra, covering their specs and all relevant benchmarks.
Vivo iQOO 15 Ultra leads Redmi 8 by 95.8% in our overall performance rating.
Launch price difference: $659. Redmi 8 was $659 cheaper at launch.
performance
In the "performance" category, the Vivo iQOO 15 Ultra significantly outperforms the Redmi 8 (99/100 vs 12/100).
display
In the "display" category, the Vivo iQOO 15 Ultra significantly outperforms the Redmi 8 (99/100 vs 32/100).
camera
In the "camera" category, the Vivo iQOO 15 Ultra significantly outperforms the Redmi 8 (78/100 vs 10/100).
battery
In the "battery" category, the Vivo iQOO 15 Ultra significantly outperforms the Redmi 8 (92/100 vs 52/100).
portability
In the "portability" category, the Redmi 8 notably outperforms the Vivo iQOO 15 Ultra (52/100 vs 35/100).
Which is better: the Redmi 8 or the Vivo iQOO 15 Ultra?
The Vivo iQOO 15 Ultra significantly outperforms the Redmi 8 by 66 points (89/100 vs 23/100).
What is the rating of the Redmi 8 and the Vivo iQOO 15 Ultra?
The Redmi 8 has a MobileRank rating of 23/100, the Vivo iQOO 15 Ultra — 89/100.
Which has the better camera: the Redmi 8 or the Vivo iQOO 15 Ultra?
The Vivo iQOO 15 Ultra leads on camera score (78/100 vs 10/100).
Which is more powerful: the Redmi 8 or the Vivo iQOO 15 Ultra?
The Vivo iQOO 15 Ultra leads on performance (99/100 vs 12/100).
Should you choose the Redmi 8 over the Vivo iQOO 15 Ultra?
The Redmi 8 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.