OPPO Reno 16 FS vs Redmi K90 Ultra
The OPPO Reno 16 FS (2026) runs on the MediaTek Dimensity 7300 Energy, while the Redmi K90 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite; launch prices were $549 and $420. By overall MobileRank rating, the Redmi K90 Ultra leads — 73/100 vs 61/100 (a 12-point difference). Key differences: the Redmi K90 Ultra has the bigger battery (8550 mAh vs 6500); the Redmi K90 Ultra is faster in AnTuTu (3,233,695 vs 877,641); the OPPO Reno 16 FS is noticeably lighter (194g vs 227g).
OPPO Reno 16 FS
Redmi K90 Ultra
- Lighter: 194g vs 227g
- Better camera (64/100 vs 37/100)
- Better portability (58/100 vs 40/100)
- Higher AnTuTu: 3233695 vs 877641
- Better Geekbench Single: 3041 vs 1011
- Better Geekbench Multi: 9494 vs 2813
- Bigger battery: 8550 vs 6500 mAh
- Faster charging: 100W vs 45W
- Higher refresh rate: 165Hz vs 120Hz
- Cheaper at launch: $420 vs $549
- Higher performance (92/100 vs 55/100)
- Longer battery life (78/100 vs 58/100)
- Better display (94/100 vs 80/100)
Comparing the OPPO Reno 16 FS vs the Redmi K90 Ultra, the Redmi K90 Ultra scores 12 points higher (73/100 vs 61/100). In the "performance" category, the Redmi K90 Ultra leads (92/100 vs 55/100). In the "camera" category, the OPPO Reno 16 FS leads (64/100 vs 37/100). In the "battery" category, the Redmi K90 Ultra leads (78/100 vs 58/100). Value score: OPPO Reno 16 FS — 42/100, Redmi K90 Ultra — 82/100; 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 Ultra significantly outperforms the OPPO Reno 16 FS (92/100 vs 55/100). In the "display" category, the Redmi K90 Ultra is a bit better (94/100 vs 80/100). In the "camera" category, the OPPO Reno 16 FS notably outperforms the Redmi K90 Ultra (64/100 vs 37/100). In the "battery" category, the Redmi K90 Ultra notably outperforms the OPPO Reno 16 FS (78/100 vs 58/100). In the "portability" category, the OPPO Reno 16 FS notably outperforms the Redmi K90 Ultra (58/100 vs 40/100).
| Specification | OPPO Reno 16 FS | Redmi K90 Ultra | |
|---|---|---|---|
| Processor | MediaTek Dimensity 7300 Energy | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 877641 | 3233695 | |
| Geekbench Single | 1011 | 3041 | |
| Geekbench Multi | 2813 | 9494 | |
| Display | 6.6" AMOLED | 6.8" AMOLED | |
| Resolution | 1080x2372 | 1280x2772 | |
| Refresh rate | 120 Hz | 165 Hz | |
| Battery | 6500 mAh | 8550 mAh | |
| Charging | 45W | 100W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 8 MP | 8 MP | |
| Telephoto | 50 MP | 0 MP | |
| Front camera | 50 MP | 20 MP | |
| RAM | 8GB | 12GB / 16GB | |
| Storage | 512GB | 256GB / 512GB | |
| OS | Android 16 | Android 16 | |
| Brightness (peak) | 1400 nits | 3500 nits | |
| NFC | yes | yes | |
| Protection | IP68/IP69K | IP68/IP69 | |
| Dimensions | 158.2×74.9×8.4 mm | 162.9×77.9×8.2 mm | |
| Weight | 194 g | 227 g | |
| Launch price | $549 | $420 |
OPPO Reno 16 FS
- Main: 50MP f/1.8
- Ultrawide: 8MP
- Telephoto: 50MP
- Front: 50MP
Redmi K90 Ultra
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
OPPO Reno 16 FS
- 6.6" AMOLED
- Resolution: 1080x2372
- Refresh rate: 120 Hz
Redmi K90 Ultra
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 165 Hz
OPPO Reno 16 FS
- 6500 mAh
- Wired: 45W
- No wireless charging
Redmi K90 Ultra
- 8550 mAh
- Wired: 100W
- No wireless charging
We compared OPPO Reno 16 FS and Redmi K90 Ultra, covering their specs and all relevant benchmarks.
Redmi K90 Ultra leads OPPO Reno 16 FS by 72.9% in our overall performance rating.
Launch price difference: $129. Redmi K90 Ultra was $129 cheaper at launch.
performance
In the "performance" category, the Redmi K90 Ultra significantly outperforms the OPPO Reno 16 FS (92/100 vs 55/100).
display
In the "display" category, the Redmi K90 Ultra is a bit better (94/100 vs 80/100).
camera
In the "camera" category, the OPPO Reno 16 FS notably outperforms the Redmi K90 Ultra (64/100 vs 37/100).
battery
In the "battery" category, the Redmi K90 Ultra notably outperforms the OPPO Reno 16 FS (78/100 vs 58/100).
portability
In the "portability" category, the OPPO Reno 16 FS notably outperforms the Redmi K90 Ultra (58/100 vs 40/100).
Which is better: the OPPO Reno 16 FS or the Redmi K90 Ultra?
The Redmi K90 Ultra is noticeably better than the OPPO Reno 16 FS — the overall rating gap is 12 points.
What is the rating of the OPPO Reno 16 FS and the Redmi K90 Ultra?
The OPPO Reno 16 FS has a MobileRank rating of 61/100, the Redmi K90 Ultra — 73/100.
Which has the better camera: the OPPO Reno 16 FS or the Redmi K90 Ultra?
The OPPO Reno 16 FS leads on camera score (64/100 vs 37/100).
Which is more powerful: the OPPO Reno 16 FS or the Redmi K90 Ultra?
The Redmi K90 Ultra leads on performance (92/100 vs 55/100).
Should you choose the OPPO Reno 16 FS over the Redmi K90 Ultra?
The OPPO Reno 16 FS is a better fit for everyday use. The Redmi K90 Ultra is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.