Redmi K90 Max vs Xiaomi 18 Fold
The Redmi K90 Max (2026) runs on the MediaTek Dimensity 9500, while the Xiaomi 18 Fold (2026) runs on the Xiaomi XRING O3; launch prices were $504 and $1639. By overall MobileRank rating, the Xiaomi 18 Fold leads — 86/100 vs 75/100 (a 11-point difference). Key differences: the Redmi K90 Max has the bigger battery (8550 mAh vs 6000); the main camera is 50 MP vs 200 MP; the Xiaomi 18 Fold is faster in AnTuTu (5,228,014 vs 3,760,662); the Xiaomi 18 Fold is thinner (5.0mm vs 8.1mm).
Profile comparison
Category scores
Redmi K90 Max
Xiaomi 18 Fold
What makes Redmi K90 Max better?
- Bigger battery: 8550 vs 6000 mAh
- Faster charging: 100W vs 67W
- Higher refresh rate: 165Hz vs 120Hz
- Cheaper at launch: $504 vs $1639
- Longer battery life (78/100 vs 75/100)
- Better display (94/100 vs 79/100)
What makes Xiaomi 18 Fold better?
- Higher AnTuTu: 5228014 vs 3760662
- Better Geekbench Single: 3715 vs 3352
- Better Geekbench Multi: 14213 vs 10402
- Better main camera: 200MP vs 50MP
- Lighter: 219g vs 227g
- Higher performance (99/100 vs 96/100)
- Better camera (85/100 vs 37/100)
- Better portability (64/100 vs 41/100)
Comparison verdict
Comparing the Redmi K90 Max vs the Xiaomi 18 Fold, the Xiaomi 18 Fold scores 11 points higher (86/100 vs 75/100). In the "camera" category, the Xiaomi 18 Fold leads (85/100 vs 37/100). Value score: Redmi K90 Max — 72/100, Xiaomi 18 Fold — 80/100; 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 18 Fold and the Redmi K90 Max are nearly equal (99/100 vs 96/100). In the "display" category, the Redmi K90 Max notably outperforms the Xiaomi 18 Fold (94/100 vs 79/100). In the "camera" category, the Xiaomi 18 Fold significantly outperforms the Redmi K90 Max (85/100 vs 37/100). In the "battery" category, the Redmi K90 Max and the Xiaomi 18 Fold are nearly equal (78/100 vs 75/100). In the "portability" category, the Xiaomi 18 Fold notably outperforms the Redmi K90 Max (64/100 vs 41/100).
Specs comparison
| Specification | Redmi K90 Max | Xiaomi 18 Fold | |
|---|---|---|---|
| Processor | MediaTek Dimensity 9500 | Xiaomi XRING O3 | |
| AnTuTu | 3760662 | 5228014 | |
| Geekbench Single | 3352 | 3715 | |
| Geekbench Multi | 10402 | 14213 | |
| Display | 6.8" AMOLED | 7.6" LTPO AMOLED | |
| Resolution | 2772x1280 | 1672x2364 | |
| Refresh rate | 165 Hz | 120 Hz | |
| Battery | 8550 mAh | 6000 mAh | |
| Charging | 100W | 67W | |
| Wireless charging | 0W | 50W | |
| Main camera | 50 MP | 200 MP | |
| Ultrawide | 8 MP | 50 MP | |
| Telephoto | 0 MP | 50 MP | |
| Front camera | 20 MP | 16 MP | |
| RAM | 12GB / 16GB | 12GB / 16GB | |
| Storage | 256GB / 512GB / 1TB | 256GB / 512GB / 1TB | |
| OS | Android 16 | Android 16 | |
| Brightness (peak) | 3500 nits | 4000 nits | |
| NFC | yes | yes | |
| Protection | IP66 | IP59 | |
| Dimensions | 162.9×77.9×8.1 mm | 159.7×145.1×5.0 mm | |
| Weight | 227 g | 219 g | |
| Launch price | $504 | $1639 |
Camera comparison
Redmi K90 Max
- Main: 50MP f/1.68
- Ultrawide: 8MP
- Front: 20MP
Xiaomi 18 Fold
- Main: 200MP f/1.7
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 16MP
Display comparison
Redmi K90 Max
- 6.8" AMOLED
- Resolution: 2772x1280
- Refresh rate: 165 Hz
Xiaomi 18 Fold
- 7.6" LTPO AMOLED
- Resolution: 1672x2364
- Refresh rate: 120 Hz
Battery and charging
Redmi K90 Max
- 8550 mAh
- Wired: 100W
- No wireless charging
Xiaomi 18 Fold
- 6000 mAh
- Wired: 67W
- Wireless: 50W
Overall performance score
We compared Redmi K90 Max and Xiaomi 18 Fold, covering their specs and all relevant benchmarks.
Xiaomi 18 Fold leads Redmi K90 Max by 28.1% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $1135. Redmi K90 Max was $1135 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Xiaomi 18 Fold and the Redmi K90 Max are nearly equal (99/100 vs 96/100).
display
In the "display" category, the Redmi K90 Max notably outperforms the Xiaomi 18 Fold (94/100 vs 79/100).
camera
In the "camera" category, the Xiaomi 18 Fold significantly outperforms the Redmi K90 Max (85/100 vs 37/100).
battery
In the "battery" category, the Redmi K90 Max and the Xiaomi 18 Fold are nearly equal (78/100 vs 75/100).
portability
In the "portability" category, the Xiaomi 18 Fold notably outperforms the Redmi K90 Max (64/100 vs 41/100).
Frequently asked questions
Which is better: the Redmi K90 Max or the Xiaomi 18 Fold?
The Xiaomi 18 Fold is noticeably better than the Redmi K90 Max — the overall rating gap is 11 points.
What is the rating of the Redmi K90 Max and the Xiaomi 18 Fold?
The Redmi K90 Max has a MobileRank rating of 75/100, the Xiaomi 18 Fold — 86/100.
Which has the better camera: the Redmi K90 Max or the Xiaomi 18 Fold?
The Xiaomi 18 Fold leads on camera score (85/100 vs 37/100).
Should you choose the Redmi K90 Max over the Xiaomi 18 Fold?
The Redmi K90 Max is a better fit for gamers and power users, those who care about battery life. 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.