OPPO K15 Pro+ vs Redmi K90 Ultra
The OPPO K15 Pro+ (2026) runs on the MediaTek Dimensity 9500s, while the Redmi K90 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite; estimated prices are $509 and $420. By overall MobileRank rating, the Redmi K90 Ultra leads — 75/100 vs 71/100 (a 4-point difference). Key differences: the Redmi K90 Ultra has the bigger battery (8550 mAh vs 8000); the OPPO K15 Pro+ is faster in AnTuTu (3,121,723 vs 3,119,308).
OPPO K15 Pro+
Redmi K90 Ultra
- Higher AnTuTu: 3121723 vs 3119308
- Lighter: 219g vs 227g
- Better portability (44/100 vs 40/100)
- Better Geekbench Single: 3041 vs 2680
- Better Geekbench Multi: 9494 vs 8358
- Bigger battery: 8550 vs 8000 mAh
- Cheaper: $420 vs $509
- Higher performance (92/100 vs 89/100)
- Better camera (37/100 vs 35/100)
- Longer battery life (92/100 vs 75/100)
- Better value for money (86/100 vs 66/100)
Comparing the OPPO K15 Pro+ vs the Redmi K90 Ultra, the Redmi K90 Ultra scores 4 points higher (75/100 vs 71/100). In the "battery" category, the Redmi K90 Ultra leads (92/100 vs 75/100). In the "value for money" category, the Redmi K90 Ultra leads (86/100 vs 66/100). In the "performance" category, the Redmi K90 Ultra and the OPPO K15 Pro+ are nearly equal (92/100 vs 89/100). In the "display" category, both devices are on the same level — 94/100. In the "camera" category, the Redmi K90 Ultra and the OPPO K15 Pro+ are nearly equal (37/100 vs 35/100). In the "battery" category, the Redmi K90 Ultra notably outperforms the OPPO K15 Pro+ (92/100 vs 75/100). In the "portability" category, the OPPO K15 Pro+ and the Redmi K90 Ultra are nearly equal (44/100 vs 40/100). In the "value for money" category, the Redmi K90 Ultra notably outperforms the OPPO K15 Pro+ (86/100 vs 66/100).
| Specification | OPPO K15 Pro+ | Redmi K90 Ultra | |
|---|---|---|---|
| Processor | MediaTek Dimensity 9500s | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 3121723 | 3119308 | |
| Geekbench Single | 2680 | 3041 | |
| Geekbench Multi | 8358 | 9494 | |
| Display | 6.8" AMOLED | 6.8" AMOLED | |
| Resolution | 2772x1272 | 1280x2772 | |
| Refresh rate | 165 Hz | 165 Hz | |
| Battery | 8000 mAh | 8550 mAh | |
| Charging | 100W | 100W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 8 MP | 8 MP | |
| Front camera | 16 MP | 20 MP | |
| RAM | 12GB | 12GB / 16GB | |
| Storage | 256GB / 512GB | 256GB / 512GB | |
| OS | Android 16 | Android 16 | |
| Brightness (peak) | 1800 nits | 3500 nits | |
| NFC | yes | yes | |
| Protection | IP68 | IP68/IP69 | |
| Dimensions | 162.4×77.5×8.3 mm | 162.9×77.9×8.2 mm | |
| Weight | 219 g | 227 g | |
| Price | $509 | $420 |
OPPO K15 Pro+
- Main: 50MP f/f/1.8
- Ultrawide: 8MP
- Front: 16MP
Redmi K90 Ultra
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
OPPO K15 Pro+
- 6.8" AMOLED
- Resolution: 2772x1272
- Refresh rate: 165 Hz
Redmi K90 Ultra
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 165 Hz
OPPO K15 Pro+
- 8000 mAh
- Wired: 100W
- No wireless charging
Redmi K90 Ultra
- 8550 mAh
- Wired: 100W
- Wireless charging: no data
We compared OPPO K15 Pro+ and Redmi K90 Ultra, covering their specs and all relevant benchmarks.
OPPO K15 Pro+ leads Redmi K90 Ultra by 0.1% in our overall performance rating.
Price difference: $89. Redmi K90 Ultra is cheaper by $89.
performance
In the "performance" category, the Redmi K90 Ultra and the OPPO K15 Pro+ are nearly equal (92/100 vs 89/100).
display
In the "display" category, both devices are on the same level — 94/100.
camera
In the "camera" category, the Redmi K90 Ultra and the OPPO K15 Pro+ are nearly equal (37/100 vs 35/100).
battery
In the "battery" category, the Redmi K90 Ultra notably outperforms the OPPO K15 Pro+ (92/100 vs 75/100).
portability
In the "portability" category, the OPPO K15 Pro+ and the Redmi K90 Ultra are nearly equal (44/100 vs 40/100).
value for money
In the "value for money" category, the Redmi K90 Ultra notably outperforms the OPPO K15 Pro+ (86/100 vs 66/100).
Which is better: the OPPO K15 Pro+ or the Redmi K90 Ultra?
The Redmi K90 Ultra edges out the OPPO K15 Pro+ by just 4 points — the two devices are very close in overall level.
What is the rating of the OPPO K15 Pro+ and the Redmi K90 Ultra?
The OPPO K15 Pro+ has a MobileRank rating of 71/100, the Redmi K90 Ultra — 75/100.
Should you choose the OPPO K15 Pro+ over the Redmi K90 Ultra?
The OPPO K15 Pro+ is a better fit for gamers and power users, those who care about battery life. The Redmi K90 Ultra is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.