Redmi 3S vs Redmi K90 Max
The Redmi 3S (2016) runs on the Qualcomm Snapdragon 430, while the Redmi K90 Max (2026) runs on the MediaTek Dimensity 9500; launch prices were $120 and $504. By overall MobileRank rating, the Redmi K90 Max leads — 74/100 vs 21/100 (a 53-point difference). Key differences: the Redmi K90 Max has the bigger battery (8550 mAh vs 4100); the main camera is 13 MP vs 50 MP; the Redmi K90 Max is faster in AnTuTu (3,803,420 vs 180,440); the Redmi K90 Max has NFC for contactless payments, the Redmi 3S doesn't; the Redmi 3S is noticeably lighter (144g vs 227g).
Redmi 3S
Redmi K90 Max
- Lighter: 144g vs 227g
- Cheaper at launch: $120 vs $504
- Better portability (78/100 vs 41/100)
- Higher AnTuTu: 3803420 vs 180440
- Better Geekbench Single: 3228 vs 205
- Better Geekbench Multi: 9553 vs 827
- Bigger battery: 8550 vs 4100 mAh
- Better main camera: 50MP vs 13MP
- Higher refresh rate: 165Hz vs 60Hz
- Higher performance (95/100 vs 11/100)
- Better camera (37/100 vs 10/100)
- Longer battery life (78/100 vs 35/100)
- Better display (94/100 vs 32/100)
Comparing the Redmi 3S vs the Redmi K90 Max, the Redmi K90 Max scores 53 points higher (74/100 vs 21/100). In the "performance" category, the Redmi K90 Max leads (95/100 vs 11/100). In the "camera" category, the Redmi K90 Max leads (37/100 vs 10/100). In the "battery" category, the Redmi K90 Max leads (78/100 vs 35/100). Value score: Redmi 3S — 24/100, Redmi K90 Max — 74/100; it is biased by price level, so it should not be compared directly between devices at different prices. In the "performance" category, the Redmi K90 Max significantly outperforms the Redmi 3S (95/100 vs 11/100). In the "display" category, the Redmi K90 Max significantly outperforms the Redmi 3S (94/100 vs 32/100). In the "camera" category, the Redmi K90 Max notably outperforms the Redmi 3S (37/100 vs 10/100). In the "battery" category, the Redmi K90 Max significantly outperforms the Redmi 3S (78/100 vs 35/100). In the "portability" category, the Redmi 3S significantly outperforms the Redmi K90 Max (78/100 vs 41/100).
| Specification | Redmi 3S | Redmi K90 Max | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 430 | MediaTek Dimensity 9500 | |
| AnTuTu | 180440 | 3803420 | |
| Geekbench Single | 205 | 3228 | |
| Geekbench Multi | 827 | 9553 | |
| Display | 5.0" IPS LCD | 6.8" AMOLED | |
| Resolution | — | 2772x1280 | |
| Refresh rate | 60 Hz | 165 Hz | |
| Battery | 4100 mAh | 8550 mAh | |
| Charging | — | 100W | |
| Main camera | 13 MP | 50 MP | |
| Ultrawide | 0 MP | 8 MP | |
| Front camera | 5 MP | 20 MP | |
| RAM | 2GB / 3GB | 12GB / 16GB | |
| Storage | 16GB / 32GB | 256GB / 512GB / 1TB | |
| OS | — | Android 16 | |
| Brightness (peak) | — | 3500 nits | |
| NFC | no | yes | |
| Protection | — | IP66 | |
| Dimensions | 139.3×69.6×8.5 mm | 162.9×77.9×8.1 mm | |
| Weight | 144 g | 227 g | |
| Launch price | $120 | $504 |
Redmi 3S
- Main: 13MP
- Front: 5MP
Redmi K90 Max
- Main: 50MP f/f/1.68
- Ultrawide: 8MP
- Front: 20MP
Redmi 3S
- 5.0" IPS LCD
- Refresh rate: 60 Hz
Redmi K90 Max
- 6.8" AMOLED
- Resolution: 2772x1280
- Refresh rate: 165 Hz
Redmi 3S
- 4100 mAh
- Wireless charging: no data
Redmi K90 Max
- 8550 mAh
- Wired: 100W
- No wireless charging
We compared Redmi 3S and Redmi K90 Max, covering their specs and all relevant benchmarks.
Redmi K90 Max leads Redmi 3S by 95.3% in our overall performance rating.
Launch price difference: $384. Redmi 3S was $384 cheaper at launch.
performance
In the "performance" category, the Redmi K90 Max significantly outperforms the Redmi 3S (95/100 vs 11/100).
display
In the "display" category, the Redmi K90 Max significantly outperforms the Redmi 3S (94/100 vs 32/100).
camera
In the "camera" category, the Redmi K90 Max notably outperforms the Redmi 3S (37/100 vs 10/100).
battery
In the "battery" category, the Redmi K90 Max significantly outperforms the Redmi 3S (78/100 vs 35/100).
portability
In the "portability" category, the Redmi 3S significantly outperforms the Redmi K90 Max (78/100 vs 41/100).
Which is better: the Redmi 3S or the Redmi K90 Max?
The Redmi K90 Max significantly outperforms the Redmi 3S by 53 points (74/100 vs 21/100).
What is the rating of the Redmi 3S and the Redmi K90 Max?
The Redmi 3S has a MobileRank rating of 21/100, the Redmi K90 Max — 74/100.
Which has the better camera: the Redmi 3S or the Redmi K90 Max?
The Redmi K90 Max leads on camera score (37/100 vs 10/100).
Which is more powerful: the Redmi 3S or the Redmi K90 Max?
The Redmi K90 Max leads on performance (95/100 vs 11/100).
Should you choose the Redmi 3S over the Redmi K90 Max?
The Redmi 3S is a better fit for everyday use. The Redmi K90 Max is a better fit for gamers and power users, those who care about battery life.