Redmi K90 vs Samsung Galaxy J3 2017
The Redmi K90 (2025) runs on the Qualcomm Snapdragon 8 Elite, while the Samsung Galaxy J3 2017 (2017) runs on the Samsung Exynos 7570; launch prices were $401 and $200. By overall MobileRank rating, the Redmi K90 leads — 76/100 vs 16/100 (a 60-point difference). Key differences: the Redmi K90 has the bigger battery (7100 mAh vs 2400); the main camera is 50 MP vs 13 MP; the Samsung Galaxy J3 2017 is noticeably lighter (149g vs 206g).
Profile comparison
Category scores
Redmi K90
Samsung Galaxy J3 2017
What makes Redmi K90 better?
- Better Geekbench Single: 3013 vs 122
- Better Geekbench Multi: 9287 vs 405
- Bigger battery: 7100 vs 2400 mAh
- Better main camera: 50MP vs 13MP
- Higher refresh rate: 120Hz vs 60Hz
- Higher performance (91/100 vs 0/100)
- Better camera (58/100 vs 10/100)
- Longer battery life (72/100 vs 15/100)
- Better display (82/100 vs 51/100)
What makes Samsung Galaxy J3 2017 better?
- Lighter: 149g vs 206g
- Cheaper at launch: $200 vs $401
- Better portability (81/100 vs 55/100)
Comparison verdict
Comparing the Redmi K90 vs the Samsung Galaxy J3 2017, the Redmi K90 scores 60 points higher (76/100 vs 16/100). In the "performance" category, the Redmi K90 leads (91/100 vs 0/100). In the "camera" category, the Redmi K90 leads (58/100 vs 10/100). In the "battery" category, the Redmi K90 leads (72/100 vs 15/100). Value score: Redmi K90 — 80/100, Samsung Galaxy J3 2017 — 0/100; 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 Redmi K90 significantly outperforms the Samsung Galaxy J3 2017 (91/100 vs 0/100). In the "display" category, the Redmi K90 significantly outperforms the Samsung Galaxy J3 2017 (82/100 vs 51/100). In the "camera" category, the Redmi K90 significantly outperforms the Samsung Galaxy J3 2017 (58/100 vs 10/100). In the "battery" category, the Redmi K90 significantly outperforms the Samsung Galaxy J3 2017 (72/100 vs 15/100). In the "portability" category, the Samsung Galaxy J3 2017 notably outperforms the Redmi K90 (81/100 vs 55/100).
Specs comparison
| Specification | Redmi K90 | Samsung Galaxy J3 2017 | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | Samsung Exynos 7570 | |
| AnTuTu | 3077585 | — | |
| Geekbench Single | 3013 | 122 | |
| Geekbench Multi | 9287 | 405 | |
| Display | 6.6" AMOLED | 5.0" AMOLED | |
| Resolution | 2510x1156 | — | |
| Refresh rate | 120 Hz | 60 Hz | |
| Battery | 7100 mAh | 2400 mAh | |
| Charging | 100W | — | |
| Main camera | 50 MP | 13 MP | |
| Ultrawide | 8 MP | 0 MP | |
| Telephoto | 50 MP | 0 MP | |
| Front camera | 20 MP | 5 MP | |
| RAM | 12GB / 16GB | 2GB | |
| Storage | 256GB / 512GB | 16GB | |
| OS | Android 16 | — | |
| Brightness (peak) | 3500 nits | — | |
| NFC | yes | yes | |
| Protection | IP68 | — | |
| Dimensions | 157.5×75.3×8.0 mm | 143.2×70.3×8.2 mm | |
| Weight | 206 g | 149 g | |
| Launch price | $401 | $200 |
Camera comparison
Redmi K90
- Main: 50MP f/1.9
- Ultrawide: 8MP
- Telephoto: 50MP
- Front: 20MP
Samsung Galaxy J3 2017
- Main: 13MP
- Front: 5MP
Display comparison
Redmi K90
- 6.6" AMOLED
- Resolution: 2510x1156
- Refresh rate: 120 Hz
Samsung Galaxy J3 2017
- 5.0" AMOLED
- Refresh rate: 60 Hz
Battery and charging
Redmi K90
- 7100 mAh
- Wired: 100W
- No wireless charging
Samsung Galaxy J3 2017
- 2400 mAh
- Wireless charging: no data
Benchmarks
Launch prices and where to check today's
Launch price difference: $201. Samsung Galaxy J3 2017 was $201 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Redmi K90 significantly outperforms the Samsung Galaxy J3 2017 (91/100 vs 0/100).
display
In the "display" category, the Redmi K90 significantly outperforms the Samsung Galaxy J3 2017 (82/100 vs 51/100).
camera
In the "camera" category, the Redmi K90 significantly outperforms the Samsung Galaxy J3 2017 (58/100 vs 10/100).
battery
In the "battery" category, the Redmi K90 significantly outperforms the Samsung Galaxy J3 2017 (72/100 vs 15/100).
portability
In the "portability" category, the Samsung Galaxy J3 2017 notably outperforms the Redmi K90 (81/100 vs 55/100).
Frequently asked questions
Which is better: the Redmi K90 or the Samsung Galaxy J3 2017?
The Redmi K90 significantly outperforms the Samsung Galaxy J3 2017 by 60 points (76/100 vs 16/100).
What is the rating of the Redmi K90 and the Samsung Galaxy J3 2017?
The Redmi K90 has a MobileRank rating of 76/100, the Samsung Galaxy J3 2017 — 16/100.
Which has the better camera: the Redmi K90 or the Samsung Galaxy J3 2017?
The Redmi K90 leads on camera score (58/100 vs 10/100).
Which is more powerful: the Redmi K90 or the Samsung Galaxy J3 2017?
The Redmi K90 leads on performance (91/100 vs 0/100).
Should you choose the Redmi K90 over the Samsung Galaxy J3 2017?
The Redmi K90 is a better fit for gamers and power users, budget-conscious buyers.