Motorola Razr Fold vs Redmi K90 Ultra
The Motorola Razr Fold (2026) runs on the Qualcomm Snapdragon 8 Gen 5, while the Redmi K90 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite; launch prices were $1799 and $420. By overall MobileRank rating, the Motorola Razr Fold leads — 83/100 vs 73/100 (a 10-point difference). Key differences: the Redmi K90 Ultra has the bigger battery (8550 mAh vs 5000); the Redmi K90 Ultra is faster in AnTuTu (3,233,695 vs 3,057,215); the Redmi K90 Ultra is noticeably lighter (227g vs 285g).
Profile comparison
Category scores
Motorola Razr Fold
Redmi K90 Ultra
What makes Motorola Razr Fold better?
- Better camera (91/100 vs 37/100)
- Better portability (52/100 vs 40/100)
What makes Redmi K90 Ultra better?
- Higher AnTuTu: 3233695 vs 3057215
- Better Geekbench Single: 3013 vs 2833
- Better Geekbench Multi: 9287 vs 9119
- Bigger battery: 8550 vs 5000 mAh
- Faster charging: 100W vs 68W
- Higher refresh rate: 165Hz vs 120Hz
- Lighter: 227g vs 285g
- Cheaper at launch: $420 vs $1799
- Higher performance (92/100 vs 90/100)
- Longer battery life (78/100 vs 68/100)
- Better display (94/100 vs 81/100)
Comparison verdict
Comparing the Motorola Razr Fold vs the Redmi K90 Ultra, the Motorola Razr Fold scores 10 points higher (83/100 vs 73/100). In the "camera" category, the Motorola Razr Fold leads (91/100 vs 37/100). In the "battery" category, the Redmi K90 Ultra leads (78/100 vs 68/100). Value score: Motorola Razr Fold — 74/100, Redmi K90 Ultra — 72/100; 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 Redmi K90 Ultra and the Motorola Razr Fold are nearly equal (92/100 vs 90/100). In the "display" category, the Redmi K90 Ultra is a bit better (94/100 vs 81/100). In the "camera" category, the Motorola Razr Fold significantly outperforms the Redmi K90 Ultra (91/100 vs 37/100). In the "battery" category, the Redmi K90 Ultra is a bit better (78/100 vs 68/100). In the "portability" category, the Motorola Razr Fold is a bit better (52/100 vs 40/100).
Specs comparison
| Specification | Motorola Razr Fold | Redmi K90 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Gen 5 | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 3057215 | 3233695 | |
| Geekbench Single | 2833 | 3013 | |
| Geekbench Multi | 9119 | 9287 | |
| Display | 8.1" LTPO AMOLED | 6.8" AMOLED | |
| Resolution | 2480x2200 | 1280x2772 | |
| Refresh rate | 120 Hz | 165 Hz | |
| Battery | 5000 mAh | 8550 mAh | |
| Charging | 68W | 100W | |
| Wireless charging | 50W | 0W | |
| DXOMark (camera) | 164 | — | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 50 MP | 8 MP | |
| Telephoto | 10 MP | 0 MP | |
| Front camera | 32 MP | 20 MP | |
| RAM | 12GB | 12GB / 16GB | |
| Storage | 256GB / 512GB | 256GB / 512GB | |
| OS | Android 16 | Android 16 | |
| Brightness (peak) | 6200 nits | 3500 nits | |
| NFC | yes | yes | |
| Protection | IPX9 | IP68/IP69 | |
| Dimensions | 160.1×144.5×4.7 mm | 162.9×77.9×8.2 mm | |
| Weight | 285 g | 227 g | |
| Launch price | $1799 | $420 |
Camera comparison
Motorola Razr Fold
- Main: 50MP f/1.6
- Ultrawide: 50MP
- Telephoto: 10MP
- Front: 32MP
Redmi K90 Ultra
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
Display comparison
Motorola Razr Fold
- 8.1" LTPO AMOLED
- Resolution: 2480x2200
- Refresh rate: 120 Hz
Redmi K90 Ultra
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 165 Hz
Battery and charging
Motorola Razr Fold
- 5000 mAh
- Wired: 68W
- Wireless: 50W
Redmi K90 Ultra
- 8550 mAh
- Wired: 100W
- No wireless charging
Overall performance score
We compared Motorola Razr Fold and Redmi K90 Ultra, covering their specs and all relevant benchmarks.
Redmi K90 Ultra leads Motorola Razr Fold by 5.5% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $1379. Redmi K90 Ultra was $1379 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Redmi K90 Ultra and the Motorola Razr Fold are nearly equal (92/100 vs 90/100).
display
In the "display" category, the Redmi K90 Ultra is a bit better (94/100 vs 81/100).
camera
In the "camera" category, the Motorola Razr Fold significantly outperforms the Redmi K90 Ultra (91/100 vs 37/100).
battery
In the "battery" category, the Redmi K90 Ultra is a bit better (78/100 vs 68/100).
portability
In the "portability" category, the Motorola Razr Fold is a bit better (52/100 vs 40/100).
Frequently asked questions
Which is better: the Motorola Razr Fold or the Redmi K90 Ultra?
The Motorola Razr Fold is noticeably better than the Redmi K90 Ultra — the overall rating gap is 10 points.
What is the rating of the Motorola Razr Fold and the Redmi K90 Ultra?
The Motorola Razr Fold has a MobileRank rating of 83/100, the Redmi K90 Ultra — 73/100.
Which has the better camera: the Motorola Razr Fold or the Redmi K90 Ultra?
The Motorola Razr Fold leads on camera score (91/100 vs 37/100).
Should you choose the Motorola Razr Fold over the Redmi K90 Ultra?
The Motorola Razr Fold is a better fit for gamers and power users, mobile photography enthusiasts. The Redmi K90 Ultra is a better fit for gamers and power users, those who care about battery life.