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).
Profile comparison
Category scores
Redmi 8
Vivo iQOO 15 Ultra
What makes Redmi 8 better?
- Lighter: 188g vs 227g
- Cheaper at launch: $140 vs $799
- Better portability (52/100 vs 35/100)
What makes Vivo iQOO 15 Ultra better?
- Higher AnTuTu: 4602290 vs 193115
- Better Geekbench Single: 3639 vs 199
- Better Geekbench Multi: 11047 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)
Comparison verdict
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 — 22/100, Vivo iQOO 15 Ultra — 92/100; it shows how far a model sits above or below the usual level for its price, and is not part of the overall rating. 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).
Specs comparison
| Specification | Redmi 8 | Vivo iQOO 15 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 439 | Qualcomm Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 193115 | 4602290 | |
| Geekbench Single | 199 | 3639 | |
| Geekbench Multi | 795 | 11047 | |
| 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 |
Camera comparison
Redmi 8
- Main: 12MP
- Front: 8MP
Vivo iQOO 15 Ultra
- Main: 50MP f/1.9
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Display comparison
Redmi 8
- 6.2" IPS LCD
- Refresh rate: 60 Hz
Vivo iQOO 15 Ultra
- 6.8" LTPO AMOLED
- Resolution: 1440x3168
- Refresh rate: 144 Hz
Battery and charging
Redmi 8
- 5000 mAh
- No wireless charging
Vivo iQOO 15 Ultra
- 7400 mAh
- Wired: 120W
- Wireless: 50W
Overall performance score
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.
Benchmarks
Launch prices and where to check today's
Launch price difference: $659. Redmi 8 was $659 cheaper at launch.
Detailed category analysis
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).
Frequently asked questions
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 Vivo iQOO 15 Ultra is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.