Redmi 15 4G vs Vivo iQOO Z11x
The Redmi 15 4G (2025) runs on the Qualcomm Snapdragon 685, while the Vivo iQOO Z11x (2026) runs on the MediaTek Dimensity 7400 Turbo; estimated prices are $135 and $170. By overall MobileRank rating, the Vivo iQOO Z11x leads — 37/100 vs 32/100 (a 5-point difference). Key differences: the Redmi 15 4G has the bigger battery (7000 mAh vs 6000); the Vivo iQOO Z11x is faster in AnTuTu (1,214,772 vs 467,392); the Redmi 15 4G has NFC for contactless payments, the Vivo iQOO Z11x doesn't; the Vivo iQOO Z11x is noticeably lighter (190g vs 224g).
Redmi 15 4G
Vivo iQOO Z11x
- Bigger battery: 7000 vs 6000 mAh
- Higher refresh rate: 144Hz vs 120Hz
- Cheaper: $135 vs $170
- Longer battery life (53/100 vs 51/100)
- Better value for money (100/100 vs 98/100)
- Higher AnTuTu: 1214772 vs 467392
- Better Geekbench Single: 1061 vs 466
- Better Geekbench Multi: 3185 vs 1396
- Faster charging: 44W vs 33W
- Lighter: 190g vs 224g
- Higher performance (8/100 vs 0/100)
- Better design/ergonomics (62/100 vs 20/100)
Comparing the Redmi 15 4G vs the Vivo iQOO Z11x, the Vivo iQOO Z11x scores 5 points higher (37/100 vs 32/100). In the "performance" category, the Vivo iQOO Z11x is a bit better (8/100 vs 0/100). In the "display" category, both devices are on the same level — 100/100. In the "camera" category, both devices are on the same level — 24/100. In the "battery" category, the Redmi 15 4G and the Vivo iQOO Z11x are nearly equal (53/100 vs 51/100). In the "design" category, the Vivo iQOO Z11x significantly outperforms the Redmi 15 4G (62/100 vs 20/100). In the "value for money" category, the Redmi 15 4G and the Vivo iQOO Z11x are nearly equal (100/100 vs 98/100).
| Specification | Redmi 15 4G | Vivo iQOO Z11x | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 685 | MediaTek Dimensity 7400 Turbo | |
| AnTuTu | 467392 | 1214772 | |
| Geekbench Single | 466 | 1061 | |
| Geekbench Multi | 1396 | 3185 | |
| Display | 6.9" IPS LCD | 6.7" AMOLED | |
| Resolution | 1080x2340 | 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 | 4GB / 6GB / 8GB | 4GB / 6GB / 8GB | |
| Storage | 128GB / 256GB | 128GB / 256GB | |
| OS | Android 15, HyperOS 2 | Android 15 | |
| Brightness (peak) | — | 1200 nits | |
| NFC | yes | no | |
| Protection | IP64 | IP68 | |
| Dimensions | 171.1×82.1×8.6 mm | 166.6×78.4×8.4 mm | |
| Weight | 224 g | 190 g | |
| Price | $135 | $170 |
Redmi 15 4G
- Main: 50MP f/f/1.8
- Front: 8MP
Vivo iQOO Z11x
- Main: 50MP f/1.8
- Front: 8MP
Redmi 15 4G
- 6.9" IPS LCD
- Resolution: 1080x2340
- Refresh rate: 144 Hz
Vivo iQOO Z11x
- 6.7" AMOLED
- Resolution: 2400x1080
- Refresh rate: 120 Hz
Redmi 15 4G
- 7000 mAh
- Wired: 33W
- No wireless charging
Vivo iQOO Z11x
- 6000 mAh
- Wired: 44W
- No wireless charging
We compared Redmi 15 4G and Vivo iQOO Z11x, covering their specs and all relevant benchmarks.
Vivo iQOO Z11x leads Redmi 15 4G by 61.5% in our overall performance rating.
Price difference: $35. Redmi 15 4G is cheaper by $35.
performance
In the "performance" category, the Vivo iQOO Z11x is a bit better (8/100 vs 0/100).
display
In the "display" category, both devices are on the same level — 100/100.
camera
In the "camera" category, both devices are on the same level — 24/100.
battery
In the "battery" category, the Redmi 15 4G and the Vivo iQOO Z11x are nearly equal (53/100 vs 51/100).
design
In the "design" category, the Vivo iQOO Z11x significantly outperforms the Redmi 15 4G (62/100 vs 20/100).
value for money
In the "value for money" category, the Redmi 15 4G and the Vivo iQOO Z11x are nearly equal (100/100 vs 98/100).
Which is better: the Redmi 15 4G or the Vivo iQOO Z11x?
The Vivo iQOO Z11x edges out the Redmi 15 4G by just 5 points — the two devices are very close in overall level.
What is the rating of the Redmi 15 4G and the Vivo iQOO Z11x?
The Redmi 15 4G has a MobileRank rating of 32/100, the Vivo iQOO Z11x — 37/100.
Which is more powerful: the Redmi 15 4G or the Vivo iQOO Z11x?
The Vivo iQOO Z11x leads on performance (8/100 vs 0/100).
Should you choose the Redmi 15 4G over the Vivo iQOO Z11x?
The Redmi 15 4G is a better fit for budget-conscious buyers. The Vivo iQOO Z11x is a better fit for budget-conscious buyers.