Infinix Smart 20 vs Vivo iQOO Z11x
The Infinix Smart 20 (2026) runs on the MediaTek Helio G81 Ultimate, while the Vivo iQOO Z11x (2026) runs on the MediaTek Dimensity 7400 Turbo; launch prices were $149 and $170. By overall MobileRank rating, the Vivo iQOO Z11x leads — 53/100 vs 33/100 (a 20-point difference). Key differences: the Vivo iQOO Z11x has the bigger battery (6000 mAh vs 5200); the main camera is 8 MP vs 50 MP; the Vivo iQOO Z11x is faster in AnTuTu (983,562 vs 358,608); the Infinix Smart 20 has NFC for contactless payments, the Vivo iQOO Z11x doesn't.
Profile comparison
Category scores
Infinix Smart 20
Vivo iQOO Z11x
What makes Infinix Smart 20 better?
- Cheaper at launch: $149 vs $170
- Better portability (68/100 vs 60/100)
What makes Vivo iQOO Z11x better?
- Higher AnTuTu: 983562 vs 358608
- Better Geekbench Single: 1061 vs 432
- Better Geekbench Multi: 3185 vs 1416
- Bigger battery: 6000 vs 5200 mAh
- Faster charging: 44W vs 15W
- Better main camera: 50MP vs 8MP
- Higher performance (58/100 vs 30/100)
- Better camera (30/100 vs 10/100)
- Longer battery life (56/100 vs 48/100)
- Better display (79/100 vs 55/100)
Comparison verdict
Comparing the Infinix Smart 20 vs the Vivo iQOO Z11x, the Vivo iQOO Z11x scores 20 points higher (53/100 vs 33/100). In the "performance" category, the Vivo iQOO Z11x leads (58/100 vs 30/100). In the "camera" category, the Vivo iQOO Z11x leads (30/100 vs 10/100). Value score: Infinix Smart 20 — 40/100, 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 Infinix Smart 20 (58/100 vs 30/100). In the "display" category, the Vivo iQOO Z11x notably outperforms the Infinix Smart 20 (79/100 vs 55/100). In the "camera" category, the Vivo iQOO Z11x notably outperforms the Infinix Smart 20 (30/100 vs 10/100). In the "battery" category, the Vivo iQOO Z11x is a bit better (56/100 vs 48/100). In the "portability" category, the Infinix Smart 20 is a bit better (68/100 vs 60/100).
Specs comparison
| Specification | Infinix Smart 20 | Vivo iQOO Z11x | |
|---|---|---|---|
| Processor | MediaTek Helio G81 Ultimate | MediaTek Dimensity 7400 Turbo | |
| AnTuTu | 358608 | 983562 | |
| Geekbench Single | 432 | 1061 | |
| Geekbench Multi | 1416 | 3185 | |
| Display | 6.8" IPS LCD | 6.7" AMOLED | |
| Resolution | 1576x720 | 2400x1080 | |
| Refresh rate | 120 Hz | 120 Hz | |
| Battery | 5200 mAh | 6000 mAh | |
| Charging | 15W | 44W | |
| Main camera | 8 MP | 50 MP | |
| Front camera | 8 MP | 8 MP | |
| RAM | 4GB | 4GB / 6GB / 8GB | |
| Storage | 64GB / 128GB | 128GB / 256GB | |
| OS | Android 16 | Android 15 | |
| Brightness (peak) | 700 nits | 1200 nits | |
| NFC | yes | no | |
| Protection | IP64 | IP68 | |
| Dimensions | 167.7×78.8×7.7 mm | 166.6×78.4×8.4 mm | |
| Weight | — | 190 g | |
| Launch price | $149 | $170 |
Camera comparison
Infinix Smart 20
- Main: 8MP f/2.0
- Front: 8MP
Vivo iQOO Z11x
- Main: 50MP f/1.8
- Front: 8MP
Display comparison
Infinix Smart 20
- 6.8" IPS LCD
- Resolution: 1576x720
- Refresh rate: 120 Hz
Vivo iQOO Z11x
- 6.7" AMOLED
- Resolution: 2400x1080
- Refresh rate: 120 Hz
Battery and charging
Infinix Smart 20
- 5200 mAh
- Wired: 15W
- No wireless charging
Vivo iQOO Z11x
- 6000 mAh
- Wired: 44W
- No wireless charging
Overall performance score
We compared Infinix Smart 20 and Vivo iQOO Z11x, covering their specs and all relevant benchmarks.
Vivo iQOO Z11x leads Infinix Smart 20 by 63.5% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $21. Infinix Smart 20 was $21 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Vivo iQOO Z11x notably outperforms the Infinix Smart 20 (58/100 vs 30/100).
display
In the "display" category, the Vivo iQOO Z11x notably outperforms the Infinix Smart 20 (79/100 vs 55/100).
camera
In the "camera" category, the Vivo iQOO Z11x notably outperforms the Infinix Smart 20 (30/100 vs 10/100).
battery
In the "battery" category, the Vivo iQOO Z11x is a bit better (56/100 vs 48/100).
portability
In the "portability" category, the Infinix Smart 20 is a bit better (68/100 vs 60/100).
Frequently asked questions
Which is better: the Infinix Smart 20 or the Vivo iQOO Z11x?
The Vivo iQOO Z11x significantly outperforms the Infinix Smart 20 by 20 points (53/100 vs 33/100).
What is the rating of the Infinix Smart 20 and the Vivo iQOO Z11x?
The Infinix Smart 20 has a MobileRank rating of 33/100, the Vivo iQOO Z11x — 53/100.
Which has the better camera: the Infinix Smart 20 or the Vivo iQOO Z11x?
The Vivo iQOO Z11x leads on camera score (30/100 vs 10/100).
Which is more powerful: the Infinix Smart 20 or the Vivo iQOO Z11x?
The Vivo iQOO Z11x leads on performance (58/100 vs 30/100).
Should you choose the Infinix Smart 20 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 30/100).