OPPO K15 Pro+ vs Xiaomi 17 Ultra (China)
The OPPO K15 Pro+ (2026) runs on the MediaTek Dimensity 9500s, while the Xiaomi 17 Ultra (China) (2025) runs on the Snapdragon 8 Elite Gen 5; launch prices were $509 and $892. By overall MobileRank rating, the Xiaomi 17 Ultra (China) leads — 87/100 vs 72/100 (a 15-point difference). Key differences: the OPPO K15 Pro+ has the bigger battery (8000 mAh vs 6800); the Xiaomi 17 Ultra (China) is faster in AnTuTu (3,950,082 vs 3,032,039).
Profile comparison
Category scores
OPPO K15 Pro+
Xiaomi 17 Ultra (China)
What makes OPPO K15 Pro+ better?
- Bigger battery: 8000 vs 6800 mAh
- Faster charging: 100W vs 90W
- Higher refresh rate: 165Hz vs 120Hz
- Lighter: 219g vs 224g
- Cheaper at launch: $509 vs $892
- Better display (94/100 vs 81/100)
- Better portability (44/100 vs 42/100)
What makes Xiaomi 17 Ultra (China) better?
- Higher AnTuTu: 3950082 vs 3032039
- Better Geekbench Single: 3639 vs 2725
- Better Geekbench Multi: 11047 vs 8932
- Higher performance (98/100 vs 90/100)
- Better camera (87/100 vs 35/100)
- Longer battery life (83/100 vs 75/100)
Comparison verdict
Comparing the OPPO K15 Pro+ vs the Xiaomi 17 Ultra (China), the Xiaomi 17 Ultra (China) scores 15 points higher (87/100 vs 72/100). In the "camera" category, the Xiaomi 17 Ultra (China) leads (87/100 vs 35/100). Value score: OPPO K15 Pro+ — 64/100, Xiaomi 17 Ultra (China) — 88/100; 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 Xiaomi 17 Ultra (China) is a bit better (98/100 vs 90/100). In the "display" category, the OPPO K15 Pro+ is a bit better (94/100 vs 81/100). In the "camera" category, the Xiaomi 17 Ultra (China) significantly outperforms the OPPO K15 Pro+ (87/100 vs 35/100). In the "battery" category, the Xiaomi 17 Ultra (China) is a bit better (83/100 vs 75/100). In the "portability" category, the OPPO K15 Pro+ and the Xiaomi 17 Ultra (China) are nearly equal (44/100 vs 42/100).
Specs comparison
| Specification | OPPO K15 Pro+ | Xiaomi 17 Ultra (China) | |
|---|---|---|---|
| Processor | MediaTek Dimensity 9500s | Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 3032039 | 3950082 | |
| Geekbench Single | 2725 | 3639 | |
| Geekbench Multi | 8932 | 11047 | |
| Display | 6.8" AMOLED | 6.9" LTPO AMOLED | |
| Resolution | 2772x1272 | 1200x2608 | |
| Refresh rate | 165 Hz | 120 Hz | |
| Battery | 8000 mAh | 6800 mAh | |
| Charging | 100W | 90W | |
| Wireless charging | 0W | 50W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 8 MP | 50 MP | |
| Telephoto | 0 MP | 200 MP | |
| Front camera | 16 MP | 50 MP | |
| RAM | 12GB | 12GB / 16GB | |
| Storage | 256GB / 512GB | 512GB / 1TB | |
| OS | Android 16 | Android 16 | |
| Brightness (peak) | 1800 nits | — | |
| NFC | yes | yes | |
| Protection | IP68 | IP68/IP69 | |
| Dimensions | 162.4×77.5×8.3 mm | 162.9×77.6×8.3 mm | |
| Weight | 219 g | 224 g | |
| Launch price | $509 | $892 |
Camera comparison
OPPO K15 Pro+
- Main: 50MP f/1.8
- Ultrawide: 8MP
- Front: 16MP
Xiaomi 17 Ultra (China)
- Main: 50MP f/1.7
- Ultrawide: 50MP
- Telephoto: 200MP
- Front: 50MP
Display comparison
OPPO K15 Pro+
- 6.8" AMOLED
- Resolution: 2772x1272
- Refresh rate: 165 Hz
Xiaomi 17 Ultra (China)
- 6.9" LTPO AMOLED
- Resolution: 1200x2608
- Refresh rate: 120 Hz
Battery and charging
OPPO K15 Pro+
- 8000 mAh
- Wired: 100W
- No wireless charging
Xiaomi 17 Ultra (China)
- 6800 mAh
- Wired: 90W
- Wireless: 50W
Overall performance score
We compared OPPO K15 Pro+ and Xiaomi 17 Ultra (China), covering their specs and all relevant benchmarks.
Xiaomi 17 Ultra (China) leads OPPO K15 Pro+ by 23.2% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $383. OPPO K15 Pro+ was $383 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Xiaomi 17 Ultra (China) is a bit better (98/100 vs 90/100).
display
In the "display" category, the OPPO K15 Pro+ is a bit better (94/100 vs 81/100).
camera
In the "camera" category, the Xiaomi 17 Ultra (China) significantly outperforms the OPPO K15 Pro+ (87/100 vs 35/100).
battery
In the "battery" category, the Xiaomi 17 Ultra (China) is a bit better (83/100 vs 75/100).
portability
In the "portability" category, the OPPO K15 Pro+ and the Xiaomi 17 Ultra (China) are nearly equal (44/100 vs 42/100).
Frequently asked questions
Which is better: the OPPO K15 Pro+ or the Xiaomi 17 Ultra (China)?
The Xiaomi 17 Ultra (China) is noticeably better than the OPPO K15 Pro+ — the overall rating gap is 15 points.
What is the rating of the OPPO K15 Pro+ and the Xiaomi 17 Ultra (China)?
The OPPO K15 Pro+ has a MobileRank rating of 72/100, the Xiaomi 17 Ultra (China) — 87/100.
Which has the better camera: the OPPO K15 Pro+ or the Xiaomi 17 Ultra (China)?
The Xiaomi 17 Ultra (China) leads on camera score (87/100 vs 35/100).
Which is more powerful: the OPPO K15 Pro+ or the Xiaomi 17 Ultra (China)?
The Xiaomi 17 Ultra (China) leads on performance (98/100 vs 90/100).
Should you choose the OPPO K15 Pro+ over the Xiaomi 17 Ultra (China)?
The OPPO K15 Pro+ is a better fit for gamers and power users, those who care about battery life. The Xiaomi 17 Ultra (China) is a better fit for gamers and power users, mobile photography enthusiasts, those who care about battery life, budget-conscious buyers.