Redmi K90 Max vs ZTE S30
The Redmi K90 Max (2026) runs on the MediaTek Dimensity 9500, while the ZTE S30 (2021) runs on the Qualcomm Snapdragon 720G. By overall MobileRank rating, the Redmi K90 Max leads — 67/100 vs 24/100 (a 43-point difference). Key differences: the Redmi K90 Max has the bigger battery (8550 mAh vs 4000); the main camera is 50 MP vs 64 MP; the Redmi K90 Max is faster in AnTuTu (3,803,420 vs 514,398); the Redmi K90 Max has NFC for contactless payments, the ZTE S30 doesn't; the ZTE S30 is noticeably lighter (184g vs 227g).
Redmi K90 Max
ZTE S30
- Higher AnTuTu: 3803420 vs 514398
- Better Geekbench Single: 3228 vs 746
- Better Geekbench Multi: 9553 vs 1762
- Bigger battery: 8550 vs 4000 mAh
- Faster charging: 100W vs 30W
- Higher refresh rate: 165Hz vs 90Hz
- Higher performance (82/100 vs 0/100)
- Longer battery life (77/100 vs 14/100)
- Better display (100/100 vs 50/100)
- Better value for money (75/100 vs 55/100)
- Better main camera: 64MP vs 50MP
- Lighter: 184g vs 227g
- Better camera (40/100 vs 32/100)
- Better design/ergonomics (70/100 vs 16/100)
Comparing the Redmi K90 Max vs the ZTE S30, the Redmi K90 Max scores 43 points higher (67/100 vs 24/100). In the "performance" category, the Redmi K90 Max leads (82/100 vs 0/100). In the "battery" category, the Redmi K90 Max leads (77/100 vs 14/100). In the "value for money" category, the Redmi K90 Max leads (75/100 vs 55/100). In the "performance" category, the Redmi K90 Max significantly outperforms the ZTE S30 (82/100 vs 0/100). In the "display" category, the Redmi K90 Max significantly outperforms the ZTE S30 (100/100 vs 50/100). In the "camera" category, the ZTE S30 is a bit better (40/100 vs 32/100). In the "battery" category, the Redmi K90 Max significantly outperforms the ZTE S30 (77/100 vs 14/100). In the "design" category, the ZTE S30 significantly outperforms the Redmi K90 Max (70/100 vs 16/100). In the "value for money" category, the Redmi K90 Max notably outperforms the ZTE S30 (75/100 vs 55/100).
| Specification | Redmi K90 Max | ZTE S30 | |
|---|---|---|---|
| Processor | MediaTek Dimensity 9500 | Qualcomm Snapdragon 720G | |
| AnTuTu | 3803420 | 514398 | |
| Geekbench Single | 3228 | 746 | |
| Geekbench Multi | 9553 | 1762 | |
| Display | 6.8" AMOLED | 6.7" IPS LCD | |
| Resolution | 2772x1280 | 1080x2400 | |
| Refresh rate | 165 Hz | 90 Hz | |
| Battery | 8550 mAh | 4000 mAh | |
| Charging | 100W | 30W | |
| Main camera | 50 MP | 64 MP | |
| Ultrawide | 8 MP | 8 MP | |
| Front camera | 20 MP | 16 MP | |
| RAM | 12GB / 16GB | 8GB | |
| Storage | 256GB / 512GB / 1TB | 128GB / 256GB | |
| OS | Android 16 | Android 11, MyOS 11 | |
| Brightness (peak) | 3500 nits | — | |
| NFC | yes | no | |
| Protection | IP66 | — | |
| Dimensions | 162.9×77.9×8.1 mm | 164.8×76.4×7.9 mm | |
| Weight | 227 g | 184 g | |
| Price | $504 | — |
Redmi K90 Max
- Main: 50MP f/f/1.68
- Ultrawide: 8MP
- Front: 20MP
ZTE S30
- Main: 64MP f/f/1.8
- Ultrawide: 8MP
- Front: 16MP
Redmi K90 Max
- 6.8" AMOLED
- Resolution: 2772x1280
- Refresh rate: 165 Hz
ZTE S30
- 6.7" IPS LCD
- Resolution: 1080x2400
- Refresh rate: 90 Hz
Redmi K90 Max
- 8550 mAh
- Wired: 100W
- No wireless charging
ZTE S30
- 4000 mAh
- Wired: 30W
- No wireless charging
We compared Redmi K90 Max and ZTE S30, covering their specs and all relevant benchmarks.
Redmi K90 Max leads ZTE S30 by 639.4% in our overall performance rating.
ZTE S30
Price unknownperformance
In the "performance" category, the Redmi K90 Max significantly outperforms the ZTE S30 (82/100 vs 0/100).
display
In the "display" category, the Redmi K90 Max significantly outperforms the ZTE S30 (100/100 vs 50/100).
camera
In the "camera" category, the ZTE S30 is a bit better (40/100 vs 32/100).
battery
In the "battery" category, the Redmi K90 Max significantly outperforms the ZTE S30 (77/100 vs 14/100).
design
In the "design" category, the ZTE S30 significantly outperforms the Redmi K90 Max (70/100 vs 16/100).
value for money
In the "value for money" category, the Redmi K90 Max notably outperforms the ZTE S30 (75/100 vs 55/100).
Which is better: the Redmi K90 Max or the ZTE S30?
The Redmi K90 Max significantly outperforms the ZTE S30 by 43 points (67/100 vs 24/100).
What is the rating of the Redmi K90 Max and the ZTE S30?
The Redmi K90 Max has a MobileRank rating of 67/100, the ZTE S30 — 24/100.
Which has the better camera: the Redmi K90 Max or the ZTE S30?
The ZTE S30 leads on camera score (40/100 vs 32/100).
Which is more powerful: the Redmi K90 Max or the ZTE S30?
The Redmi K90 Max leads on performance (82/100 vs 0/100).
Should you choose the Redmi K90 Max over the ZTE S30?
The Redmi K90 Max is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers. The ZTE S30 is a better fit for everyday use.