Redmi K90 vs Samsung Galaxy S8
The Redmi K90 (2025) runs on the Qualcomm Snapdragon 8 Elite, while the Samsung Galaxy S8 (2017) runs on the Samsung Exynos 8895; launch prices were $401 and $720. By overall MobileRank rating, the Redmi K90 leads — 76/100 vs 28/100 (a 48-point difference). Key differences: the Redmi K90 has the bigger battery (7100 mAh vs 3000); the main camera is 50 MP vs 12 MP; the Redmi K90 is faster in AnTuTu (3,088,357 vs 437,463); the Samsung Galaxy S8 is noticeably lighter (155g vs 206g).
Redmi K90
Samsung Galaxy S8
- Higher AnTuTu: 3088357 vs 437463
- Better Geekbench Single: 3041 vs 419
- Better Geekbench Multi: 9494 vs 1445
- Bigger battery: 7100 vs 3000 mAh
- Better main camera: 50MP vs 12MP
- Higher refresh rate: 120Hz vs 60Hz
- Cheaper at launch: $401 vs $720
- Higher performance (92/100 vs 32/100)
- Better camera (58/100 vs 10/100)
- Longer battery life (72/100 vs 15/100)
- Better display (82/100 vs 51/100)
- Lighter: 155g vs 206g
- Better portability (82/100 vs 55/100)
Comparing the Redmi K90 vs the Samsung Galaxy S8, the Redmi K90 scores 48 points higher (76/100 vs 28/100). In the "performance" category, the Redmi K90 leads (92/100 vs 32/100). 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 — 90/100, Samsung Galaxy S8 — 0/100; 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 significantly outperforms the Samsung Galaxy S8 (92/100 vs 32/100). In the "display" category, the Redmi K90 significantly outperforms the Samsung Galaxy S8 (82/100 vs 51/100). In the "camera" category, the Redmi K90 significantly outperforms the Samsung Galaxy S8 (58/100 vs 10/100). In the "battery" category, the Redmi K90 significantly outperforms the Samsung Galaxy S8 (72/100 vs 15/100). In the "portability" category, the Samsung Galaxy S8 notably outperforms the Redmi K90 (82/100 vs 55/100).
| Specification | Redmi K90 | Samsung Galaxy S8 | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | Samsung Exynos 8895 | |
| AnTuTu | 3088357 | 437463 | |
| Geekbench Single | 3041 | 419 | |
| Geekbench Multi | 9494 | 1445 | |
| Display | 6.6" AMOLED | 5.8" AMOLED | |
| Resolution | 2510x1156 | — | |
| Refresh rate | 120 Hz | 60 Hz | |
| Battery | 7100 mAh | 3000 mAh | |
| Charging | 100W | — | |
| Main camera | 50 MP | 12 MP | |
| Ultrawide | 8 MP | 0 MP | |
| Telephoto | 50 MP | 0 MP | |
| Front camera | 20 MP | 8 MP | |
| RAM | 12GB / 16GB | 4GB | |
| Storage | 256GB / 512GB | 64GB | |
| OS | Android 16 | — | |
| Brightness (peak) | 3500 nits | — | |
| NFC | yes | yes | |
| Protection | IP68 | IP68 | |
| Dimensions | 157.5×75.3×8.0 mm | 159.5×73.4×8.1 mm | |
| Weight | 206 g | 155 g | |
| Launch price | $401 | $720 |
Redmi K90
- Main: 50MP f/f/1.9
- Ultrawide: 8MP
- Telephoto: 50MP
- Front: 20MP
Samsung Galaxy S8
- Main: 12MP
- Front: 8MP
Redmi K90
- 6.6" AMOLED
- Resolution: 2510x1156
- Refresh rate: 120 Hz
Samsung Galaxy S8
- 5.8" AMOLED
- Refresh rate: 60 Hz
Redmi K90
- 7100 mAh
- Wired: 100W
- No wireless charging
Samsung Galaxy S8
- 3000 mAh
- Wireless: supported, wattage unknown
We compared Redmi K90 and Samsung Galaxy S8, covering their specs and all relevant benchmarks.
Redmi K90 leads Samsung Galaxy S8 by 606.0% in our overall performance rating.
Launch price difference: $319. Redmi K90 was $319 cheaper at launch.
performance
In the "performance" category, the Redmi K90 significantly outperforms the Samsung Galaxy S8 (92/100 vs 32/100).
display
In the "display" category, the Redmi K90 significantly outperforms the Samsung Galaxy S8 (82/100 vs 51/100).
camera
In the "camera" category, the Redmi K90 significantly outperforms the Samsung Galaxy S8 (58/100 vs 10/100).
battery
In the "battery" category, the Redmi K90 significantly outperforms the Samsung Galaxy S8 (72/100 vs 15/100).
portability
In the "portability" category, the Samsung Galaxy S8 notably outperforms the Redmi K90 (82/100 vs 55/100).
Which is better: the Redmi K90 or the Samsung Galaxy S8?
The Redmi K90 significantly outperforms the Samsung Galaxy S8 by 48 points (76/100 vs 28/100).
What is the rating of the Redmi K90 and the Samsung Galaxy S8?
The Redmi K90 has a MobileRank rating of 76/100, the Samsung Galaxy S8 — 28/100.
Which has the better camera: the Redmi K90 or the Samsung Galaxy S8?
The Redmi K90 leads on camera score (58/100 vs 10/100).
Which is more powerful: the Redmi K90 or the Samsung Galaxy S8?
The Redmi K90 leads on performance (92/100 vs 32/100).
Should you choose the Redmi K90 over the Samsung Galaxy S8?
The Redmi K90 is a better fit for gamers and power users, budget-conscious buyers. The Samsung Galaxy S8 is a better fit for everyday use.