Redmi 3S vs Redmi K90 Pro Max
The Redmi 3S (2016) runs on the Qualcomm Snapdragon 430, while the Redmi K90 Pro Max (2025) runs on the Qualcomm Snapdragon 8 Elite Gen 5; launch prices were $120 and $561. By overall MobileRank rating, the Redmi K90 Pro Max leads — 86/100 vs 21/100 (a 65-point difference). Key differences: the Redmi K90 Pro Max has the bigger battery (7560 mAh vs 4100); the main camera is 13 MP vs 50 MP; the Redmi K90 Pro Max is faster in AnTuTu (4,119,955 vs 180,440); the Redmi K90 Pro Max has NFC for contactless payments, the Redmi 3S doesn't; the Redmi 3S is noticeably lighter (144g vs 210g).
Redmi 3S
Redmi K90 Pro Max
- Lighter: 144g vs 210g
- Cheaper at launch: $120 vs $561
- Better portability (78/100 vs 54/100)
- Higher AnTuTu: 4119955 vs 180440
- Better Geekbench Single: 3640 vs 205
- Better Geekbench Multi: 11033 vs 827
- Bigger battery: 7560 vs 4100 mAh
- Better main camera: 50MP vs 13MP
- Higher refresh rate: 120Hz vs 60Hz
- Higher performance (98/100 vs 11/100)
- Better camera (78/100 vs 10/100)
- Longer battery life (89/100 vs 35/100)
- Better display (81/100 vs 32/100)
Comparing the Redmi 3S vs the Redmi K90 Pro Max, the Redmi K90 Pro Max scores 65 points higher (86/100 vs 21/100). In the "performance" category, the Redmi K90 Pro Max leads (98/100 vs 11/100). In the "camera" category, the Redmi K90 Pro Max leads (78/100 vs 10/100). In the "battery" category, the Redmi K90 Pro Max leads (89/100 vs 35/100). Value score: Redmi 3S — 24/100, Redmi K90 Pro Max — 90/100; 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 Pro Max significantly outperforms the Redmi 3S (98/100 vs 11/100). In the "display" category, the Redmi K90 Pro Max significantly outperforms the Redmi 3S (81/100 vs 32/100). In the "camera" category, the Redmi K90 Pro Max significantly outperforms the Redmi 3S (78/100 vs 10/100). In the "battery" category, the Redmi K90 Pro Max significantly outperforms the Redmi 3S (89/100 vs 35/100). In the "portability" category, the Redmi 3S notably outperforms the Redmi K90 Pro Max (78/100 vs 54/100).
| Specification | Redmi 3S | Redmi K90 Pro Max | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 430 | Qualcomm Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 180440 | 4119955 | |
| Geekbench Single | 205 | 3640 | |
| Geekbench Multi | 827 | 11033 | |
| Display | 5.0" IPS LCD | 6.9" OLED | |
| Resolution | — | 2608x1200 | |
| Refresh rate | 60 Hz | 120 Hz | |
| Battery | 4100 mAh | 7560 mAh | |
| Charging | — | 100W | |
| Wireless charging | — | 50W | |
| Main camera | 13 MP | 50 MP | |
| Ultrawide | 0 MP | 50 MP | |
| Telephoto | 0 MP | 50 MP | |
| Front camera | 5 MP | 32 MP | |
| RAM | 2GB / 3GB | 16GB | |
| Storage | 16GB / 32GB | 256GB / 512GB / 1TB | |
| OS | — | Android 16 | |
| Brightness (peak) | — | 3500 nits | |
| NFC | no | yes | |
| Protection | — | IP68 | |
| Dimensions | 139.3×69.6×8.5 mm | 163.3×77.8×7.9 mm | |
| Weight | 144 g | 210 g | |
| Launch price | $120 | $561 |
Redmi 3S
- Main: 13MP
- Front: 5MP
Redmi K90 Pro Max
- Main: 50MP f/f/1.88
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Redmi 3S
- 5.0" IPS LCD
- Refresh rate: 60 Hz
Redmi K90 Pro Max
- 6.9" OLED
- Resolution: 2608x1200
- Refresh rate: 120 Hz
Redmi 3S
- 4100 mAh
- Wireless charging: no data
Redmi K90 Pro Max
- 7560 mAh
- Wired: 100W
- Wireless: 50W
We compared Redmi 3S and Redmi K90 Pro Max, covering their specs and all relevant benchmarks.
Redmi K90 Pro Max leads Redmi 3S by 95.6% in our overall performance rating.
Launch price difference: $441. Redmi 3S was $441 cheaper at launch.
performance
In the "performance" category, the Redmi K90 Pro Max significantly outperforms the Redmi 3S (98/100 vs 11/100).
display
In the "display" category, the Redmi K90 Pro Max significantly outperforms the Redmi 3S (81/100 vs 32/100).
camera
In the "camera" category, the Redmi K90 Pro Max significantly outperforms the Redmi 3S (78/100 vs 10/100).
battery
In the "battery" category, the Redmi K90 Pro Max significantly outperforms the Redmi 3S (89/100 vs 35/100).
portability
In the "portability" category, the Redmi 3S notably outperforms the Redmi K90 Pro Max (78/100 vs 54/100).
Which is better: the Redmi 3S or the Redmi K90 Pro Max?
The Redmi K90 Pro Max significantly outperforms the Redmi 3S by 65 points (86/100 vs 21/100).
What is the rating of the Redmi 3S and the Redmi K90 Pro Max?
The Redmi 3S has a MobileRank rating of 21/100, the Redmi K90 Pro Max — 86/100.
Which has the better camera: the Redmi 3S or the Redmi K90 Pro Max?
The Redmi K90 Pro Max leads on camera score (78/100 vs 10/100).
Which is more powerful: the Redmi 3S or the Redmi K90 Pro Max?
The Redmi K90 Pro Max leads on performance (98/100 vs 11/100).
Should you choose the Redmi 3S over the Redmi K90 Pro Max?
The Redmi 3S is a better fit for everyday use. The Redmi K90 Pro Max is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.