OPPO K15x vs Xiaomi 18 Fold
The OPPO K15x (2026) runs on the MediaTek Dimensity 6300, while the Xiaomi 18 Fold (2026) runs on the Xiaomi XRING O3. By overall MobileRank rating, the Xiaomi 18 Fold leads — 86/100 vs 39/100 (a 47-point difference). Key differences: the OPPO K15x has the bigger battery (6500 mAh vs 6000); the main camera is 13 MP vs 200 MP; the Xiaomi 18 Fold is faster in AnTuTu (5,228,014 vs 528,398); the Xiaomi 18 Fold is thinner (5.0mm vs 8.6mm).
Profile comparison
Category scores
OPPO K15x
Xiaomi 18 Fold
What makes OPPO K15x better?
- Bigger battery: 6500 vs 6000 mAh
- Lighter: 212g vs 219g
- Overall rating 39/100
What makes Xiaomi 18 Fold better?
- Higher AnTuTu: 5228014 vs 528398
- Better Geekbench Single: 3715 vs 771
- Better Geekbench Multi: 14213 vs 1980
- Faster charging: 67W vs 45W
- Better main camera: 200MP vs 13MP
- Higher performance (99/100 vs 43/100)
- Better camera (85/100 vs 10/100)
- Longer battery life (75/100 vs 58/100)
- Better display (79/100 vs 55/100)
- Better portability (64/100 vs 46/100)
Comparison verdict
Comparing the OPPO K15x vs the Xiaomi 18 Fold, the Xiaomi 18 Fold scores 47 points higher (86/100 vs 39/100). In the "performance" category, the Xiaomi 18 Fold leads (99/100 vs 43/100). In the "camera" category, the Xiaomi 18 Fold leads (85/100 vs 10/100). In the "battery" category, the Xiaomi 18 Fold leads (75/100 vs 58/100). In the "performance" category, the Xiaomi 18 Fold significantly outperforms the OPPO K15x (99/100 vs 43/100). In the "display" category, the Xiaomi 18 Fold notably outperforms the OPPO K15x (79/100 vs 55/100). In the "camera" category, the Xiaomi 18 Fold significantly outperforms the OPPO K15x (85/100 vs 10/100). In the "battery" category, the Xiaomi 18 Fold notably outperforms the OPPO K15x (75/100 vs 58/100). In the "portability" category, the Xiaomi 18 Fold notably outperforms the OPPO K15x (64/100 vs 46/100).
Specs comparison
| Specification | OPPO K15x | Xiaomi 18 Fold | |
|---|---|---|---|
| Processor | MediaTek Dimensity 6300 | Xiaomi XRING O3 | |
| AnTuTu | 528398 | 5228014 | |
| Geekbench Single | 771 | 3715 | |
| Geekbench Multi | 1980 | 14213 | |
| Display | 6.8" IPS LCD | 7.6" LTPO AMOLED | |
| Resolution | 720x1570 | 1672x2364 | |
| Refresh rate | 120 Hz | 120 Hz | |
| Battery | 6500 mAh | 6000 mAh | |
| Charging | 45W | 67W | |
| Wireless charging | 0W | 50W | |
| Main camera | 13 MP | 200 MP | |
| Ultrawide | 0 MP | 50 MP | |
| Telephoto | 0 MP | 50 MP | |
| Front camera | 5 MP | 16 MP | |
| RAM | 6GB | 12GB / 16GB | |
| Storage | 128GB / 256GB | 256GB / 512GB / 1TB | |
| OS | Android 16 | Android 16 | |
| Brightness (peak) | 1125 nits | 4000 nits | |
| NFC | yes | yes | |
| Protection | IP64 | IP59 | |
| Dimensions | 166.6×78.5×8.6 mm | 159.7×145.1×5.0 mm | |
| Weight | 212 g | 219 g | |
| Launch price | — | $1639 |
Camera comparison
OPPO K15x
- Main: 13MP f/2.2
- Front: 5MP
Xiaomi 18 Fold
- Main: 200MP f/1.7
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 16MP
Display comparison
OPPO K15x
- 6.8" IPS LCD
- Resolution: 720x1570
- Refresh rate: 120 Hz
Xiaomi 18 Fold
- 7.6" LTPO AMOLED
- Resolution: 1672x2364
- Refresh rate: 120 Hz
Battery and charging
OPPO K15x
- 6500 mAh
- Wired: 45W
- No wireless charging
Xiaomi 18 Fold
- 6000 mAh
- Wired: 67W
- Wireless: 50W
Overall performance score
We compared OPPO K15x and Xiaomi 18 Fold, covering their specs and all relevant benchmarks.
Xiaomi 18 Fold leads OPPO K15x by 89.9% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
OPPO K15x
Price unknownDetailed category analysis
performance
In the "performance" category, the Xiaomi 18 Fold significantly outperforms the OPPO K15x (99/100 vs 43/100).
display
In the "display" category, the Xiaomi 18 Fold notably outperforms the OPPO K15x (79/100 vs 55/100).
camera
In the "camera" category, the Xiaomi 18 Fold significantly outperforms the OPPO K15x (85/100 vs 10/100).
battery
In the "battery" category, the Xiaomi 18 Fold notably outperforms the OPPO K15x (75/100 vs 58/100).
portability
In the "portability" category, the Xiaomi 18 Fold notably outperforms the OPPO K15x (64/100 vs 46/100).
Frequently asked questions
Which is better: the OPPO K15x or the Xiaomi 18 Fold?
The Xiaomi 18 Fold significantly outperforms the OPPO K15x by 47 points (86/100 vs 39/100).
What is the rating of the OPPO K15x and the Xiaomi 18 Fold?
The OPPO K15x has a MobileRank rating of 39/100, the Xiaomi 18 Fold — 86/100.
Which has the better camera: the OPPO K15x or the Xiaomi 18 Fold?
The Xiaomi 18 Fold leads on camera score (85/100 vs 10/100).
Which is more powerful: the OPPO K15x or the Xiaomi 18 Fold?
The Xiaomi 18 Fold leads on performance (99/100 vs 43/100).
Should you choose the OPPO K15x over the Xiaomi 18 Fold?
The Xiaomi 18 Fold is a better fit for gamers and power users, mobile photography enthusiasts, those who care about battery life, budget-conscious buyers.