OPPO F33 vs Redmi K90 Ultra
The OPPO F33 (2026) runs on the MediaTek Dimensity 6360 Max, while the Redmi K90 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite; launch prices were $379 and $420. By overall MobileRank rating, the Redmi K90 Ultra leads — 73/100 vs 51/100 (a 22-point difference). Key differences: the Redmi K90 Ultra has the bigger battery (8550 mAh vs 7000); the Redmi K90 Ultra has NFC for contactless payments, the OPPO F33 doesn't; the OPPO F33 is noticeably lighter (189g vs 227g).
OPPO F33
Redmi K90 Ultra
- Lighter: 189g vs 227g
- Cheaper at launch: $379 vs $420
- Better portability (66/100 vs 40/100)
- Better Geekbench Single: 3041 vs 850
- Better Geekbench Multi: 9494 vs 2250
- Bigger battery: 8550 vs 7000 mAh
- Faster charging: 100W vs 80W
- Higher refresh rate: 165Hz vs 120Hz
- Higher performance (92/100 vs 43/100)
- Better camera (37/100 vs 32/100)
- Longer battery life (78/100 vs 68/100)
- Better display (94/100 vs 80/100)
Comparing the OPPO F33 vs the Redmi K90 Ultra, the Redmi K90 Ultra scores 22 points higher (73/100 vs 51/100). In the "performance" category, the Redmi K90 Ultra leads (92/100 vs 43/100). In the "battery" category, the Redmi K90 Ultra leads (78/100 vs 68/100). Value score: OPPO F33 — 40/100, 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 F33 (92/100 vs 43/100). In the "display" category, the Redmi K90 Ultra is a bit better (94/100 vs 80/100). In the "camera" category, the Redmi K90 Ultra is a bit better (37/100 vs 32/100). In the "battery" category, the Redmi K90 Ultra is a bit better (78/100 vs 68/100). In the "portability" category, the OPPO F33 notably outperforms the Redmi K90 Ultra (66/100 vs 40/100).
| Specification | OPPO F33 | Redmi K90 Ultra | |
|---|---|---|---|
| Processor | MediaTek Dimensity 6360 Max | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | — | 3119308 | |
| Geekbench Single | 850 | 3041 | |
| Geekbench Multi | 2250 | 9494 | |
| Display | 6.6" AMOLED | 6.8" AMOLED | |
| Resolution | 2372x1080 | 1280x2772 | |
| Refresh rate | 120 Hz | 165 Hz | |
| Battery | 7000 mAh | 8550 mAh | |
| Charging | 80W | 100W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 0 MP | 8 MP | |
| Front camera | 16 MP | 20 MP | |
| RAM | 6GB / 8GB | 12GB / 16GB | |
| Storage | 128GB / 256GB | 256GB / 512GB | |
| OS | Android 16 | Android 16 | |
| Brightness (peak) | 1400 nits | 3500 nits | |
| NFC | no | yes | |
| Protection | IP68 | IP68/IP69 | |
| Dimensions | 158.2×75.0×8.0 mm | 162.9×77.9×8.2 mm | |
| Weight | 189 g | 227 g | |
| Launch price | $379 | $420 |
OPPO F33
- Main: 50MP f/f/1.8
- Front: 16MP
Redmi K90 Ultra
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
OPPO F33
- 6.6" AMOLED
- Resolution: 2372x1080
- Refresh rate: 120 Hz
Redmi K90 Ultra
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 165 Hz
OPPO F33
- 7000 mAh
- Wired: 80W
- No wireless charging
Redmi K90 Ultra
- 8550 mAh
- Wired: 100W
- No wireless charging
Launch price difference: $41. OPPO F33 was $41 cheaper at launch.
performance
In the "performance" category, the Redmi K90 Ultra significantly outperforms the OPPO F33 (92/100 vs 43/100).
display
In the "display" category, the Redmi K90 Ultra is a bit better (94/100 vs 80/100).
camera
In the "camera" category, the Redmi K90 Ultra is a bit better (37/100 vs 32/100).
battery
In the "battery" category, the Redmi K90 Ultra is a bit better (78/100 vs 68/100).
portability
In the "portability" category, the OPPO F33 notably outperforms the Redmi K90 Ultra (66/100 vs 40/100).
Which is better: the OPPO F33 or the Redmi K90 Ultra?
The Redmi K90 Ultra significantly outperforms the OPPO F33 by 22 points (73/100 vs 51/100).
What is the rating of the OPPO F33 and the Redmi K90 Ultra?
The OPPO F33 has a MobileRank rating of 51/100, the Redmi K90 Ultra — 73/100.
Which has the better camera: the OPPO F33 or the Redmi K90 Ultra?
The Redmi K90 Ultra leads on camera score (37/100 vs 32/100).
Which is more powerful: the OPPO F33 or the Redmi K90 Ultra?
The Redmi K90 Ultra leads on performance (92/100 vs 43/100).
Should you choose the OPPO F33 over the Redmi K90 Ultra?
The OPPO F33 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.