Redmi 15 vs Vivo iQOO Z11x
The Redmi 15 (2025) runs on the Qualcomm Snapdragon 685, while the Vivo iQOO Z11x (2026) runs on the MediaTek Dimensity 7400 Turbo; launch prices were $180 and $170. By overall MobileRank rating, the Vivo iQOO Z11x leads — 53/100 vs 43/100 (a 10-point difference). Key differences: the Redmi 15 has the bigger battery (7000 mAh vs 6000); the Vivo iQOO Z11x is faster in AnTuTu (983,562 vs 476,175); the Redmi 15 has NFC for contactless payments, the Vivo iQOO Z11x doesn't; the Vivo iQOO Z11x is noticeably lighter (190g vs 214g).
Profile comparison
Category scores
Redmi 15
Vivo iQOO Z11x
What makes Redmi 15 better?
- Bigger battery: 7000 vs 6000 mAh
- Higher refresh rate: 144Hz vs 120Hz
- Longer battery life (58/100 vs 56/100)
What makes Vivo iQOO Z11x better?
- Higher AnTuTu: 983562 vs 476175
- Better Geekbench Single: 1061 vs 466
- Better Geekbench Multi: 3185 vs 1396
- Faster charging: 44W vs 33W
- Lighter: 190g vs 214g
- Cheaper at launch: $170 vs $180
- Higher performance (58/100 vs 34/100)
- Better display (79/100 vs 74/100)
- Better portability (60/100 vs 46/100)
Comparison verdict
Comparing the Redmi 15 vs the Vivo iQOO Z11x, the Vivo iQOO Z11x scores 10 points higher (53/100 vs 43/100). In the "performance" category, the Vivo iQOO Z11x leads (58/100 vs 34/100). Value score: Redmi 15 — 52/100, Vivo iQOO Z11x — 74/100; 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 Z11x notably outperforms the Redmi 15 (58/100 vs 34/100). In the "display" category, the Vivo iQOO Z11x is a bit better (79/100 vs 74/100). In the "camera" category, both devices are on the same level — 30/100. In the "battery" category, the Redmi 15 and the Vivo iQOO Z11x are nearly equal (58/100 vs 56/100). In the "portability" category, the Vivo iQOO Z11x is a bit better (60/100 vs 46/100).
Specs comparison
| Specification | Redmi 15 | Vivo iQOO Z11x | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 685 | MediaTek Dimensity 7400 Turbo | |
| AnTuTu | 476175 | 983562 | |
| Geekbench Single | 466 | 1061 | |
| Geekbench Multi | 1396 | 3185 | |
| Display | 6.9" IPS LCD | 6.7" AMOLED | |
| Resolution | 2340x1080 | 2400x1080 | |
| Refresh rate | 144 Hz | 120 Hz | |
| Battery | 7000 mAh | 6000 mAh | |
| Charging | 33W | 44W | |
| Main camera | 50 MP | 50 MP | |
| Front camera | 8 MP | 8 MP | |
| RAM | 6GB / 8GB | 4GB / 6GB / 8GB | |
| Storage | 128GB / 256GB | 128GB / 256GB | |
| OS | Xiaomi HyperOS 2 | Android 15 | |
| Brightness (peak) | 850 nits | 1200 nits | |
| NFC | yes | no | |
| Protection | IP64 | IP68 | |
| Dimensions | 169.5×80.5×8.4 mm | 166.6×78.4×8.4 mm | |
| Weight | 214 g | 190 g | |
| Launch price | $180 | $170 |
Camera comparison
Redmi 15
- Main: 50MP f/1.8
- Front: 8MP
Vivo iQOO Z11x
- Main: 50MP f/1.8
- Front: 8MP
Display comparison
Redmi 15
- 6.9" IPS LCD
- Resolution: 2340x1080
- Refresh rate: 144 Hz
Vivo iQOO Z11x
- 6.7" AMOLED
- Resolution: 2400x1080
- Refresh rate: 120 Hz
Battery and charging
Redmi 15
- 7000 mAh
- Wired: 33W
- No wireless charging
Vivo iQOO Z11x
- 6000 mAh
- Wired: 44W
- No wireless charging
Overall performance score
We compared Redmi 15 and Vivo iQOO Z11x, covering their specs and all relevant benchmarks.
Vivo iQOO Z11x leads Redmi 15 by 51.6% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $10. Vivo iQOO Z11x was $10 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Vivo iQOO Z11x notably outperforms the Redmi 15 (58/100 vs 34/100).
display
In the "display" category, the Vivo iQOO Z11x is a bit better (79/100 vs 74/100).
camera
In the "camera" category, both devices are on the same level — 30/100.
battery
In the "battery" category, the Redmi 15 and the Vivo iQOO Z11x are nearly equal (58/100 vs 56/100).
portability
In the "portability" category, the Vivo iQOO Z11x is a bit better (60/100 vs 46/100).
Frequently asked questions
Which is better: the Redmi 15 or the Vivo iQOO Z11x?
The Vivo iQOO Z11x is noticeably better than the Redmi 15 — the overall rating gap is 10 points.
What is the rating of the Redmi 15 and the Vivo iQOO Z11x?
The Redmi 15 has a MobileRank rating of 43/100, the Vivo iQOO Z11x — 53/100.
Which is more powerful: the Redmi 15 or the Vivo iQOO Z11x?
The Vivo iQOO Z11x leads on performance (58/100 vs 34/100).
Should you choose the Redmi 15 over the Vivo iQOO Z11x?
Neither model stands out enough to recommend it for a specific use case: the clearest difference is performance — better on the Vivo iQOO Z11x (58/100 vs 34/100).