Motorola Signature vs Redmi K90
The Motorola Signature (2026) runs on the Qualcomm Snapdragon 8 Elite Gen 5, while the Redmi K90 (2025) runs on the Qualcomm Snapdragon 8 Elite; estimated prices are $699 and $401. By overall MobileRank rating, the Motorola Signature leads — 86/100 vs 68/100 (a 18-point difference). Key differences: the Redmi K90 has the bigger battery (7100 mAh vs 5200); the Motorola Signature is faster in AnTuTu (3,942,923 vs 3,088,357); the Motorola Signature is noticeably lighter (186g vs 206g).
Motorola Signature
Redmi K90
- Higher AnTuTu: 3942923 vs 3088357
- Better Geekbench Single: 3640 vs 3050
- Better Geekbench Multi: 11033 vs 9300
- Lighter: 186g vs 206g
- Higher performance (92/100 vs 69/100)
- Better camera (91/100 vs 53/100)
- Better design/ergonomics (67/100 vs 42/100)
- Bigger battery: 7100 vs 5200 mAh
- Faster charging: 100W vs 90W
- Cheaper: $401 vs $699
- Longer battery life (71/100 vs 68/100)
- Better value for money (82/100 vs 62/100)
Comparing the Motorola Signature vs the Redmi K90, the Motorola Signature scores 18 points higher (86/100 vs 68/100). In the "performance" category, the Motorola Signature leads (92/100 vs 69/100). In the "camera" category, the Motorola Signature leads (91/100 vs 53/100). In the "value for money" category, the Redmi K90 leads (82/100 vs 62/100). In the "performance" category, the Motorola Signature notably outperforms the Redmi K90 (92/100 vs 69/100). In the "display" category, both devices are on the same level — 100/100. In the "camera" category, the Motorola Signature significantly outperforms the Redmi K90 (91/100 vs 53/100). In the "battery" category, the Redmi K90 and the Motorola Signature are nearly equal (71/100 vs 68/100). In the "design" category, the Motorola Signature notably outperforms the Redmi K90 (67/100 vs 42/100). In the "value for money" category, the Redmi K90 notably outperforms the Motorola Signature (82/100 vs 62/100).
| Specification | Motorola Signature | Redmi K90 | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite Gen 5 | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 3942923 | 3088357 | |
| Geekbench Single | 3640 | 3050 | |
| Geekbench Multi | 11033 | 9300 | |
| Display | 6.8" AMOLED | 6.6" AMOLED | |
| Resolution | 1264x2780 | 2510x1156 | |
| Refresh rate | 120 Hz | 120 Hz | |
| Battery | 5200 mAh | 7100 mAh | |
| Charging | 90W | 100W | |
| Wireless charging | 50W | 0W | |
| DXOMark (camera) | 164 | — | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 13 MP | 8 MP | |
| Telephoto | 0 MP | 50 MP | |
| Front camera | 32 MP | 20 MP | |
| RAM | 12GB / 16GB | 12GB / 16GB | |
| Storage | 256GB / 512GB / 1TB | 256GB / 512GB | |
| OS | Android 16 | Android 16 | |
| Brightness (peak) | 6200 nits | 3500 nits | |
| NFC | yes | yes | |
| Protection | IP68 | IP68 | |
| Dimensions | 162.1×76.4×7.0 mm | 157.5×75.3×8.0 mm | |
| Weight | 186 g | 206 g | |
| Price | $699 | $401 |
Motorola Signature
- Main: 50MP f/f/1.8
- Ultrawide: 13MP
- Front: 32MP
Redmi K90
- Main: 50MP f/f/1.9
- Ultrawide: 8MP
- Telephoto: 50MP
- Front: 20MP
Motorola Signature
- 6.8" AMOLED
- Resolution: 1264x2780
- Refresh rate: 120 Hz
Redmi K90
- 6.6" AMOLED
- Resolution: 2510x1156
- Refresh rate: 120 Hz
Motorola Signature
- 5200 mAh
- Wired: 90W
- Wireless: 50W
Redmi K90
- 7100 mAh
- Wired: 100W
- No wireless charging
We compared Motorola Signature and Redmi K90, covering their specs and all relevant benchmarks.
Motorola Signature leads Redmi K90 by 27.7% in our overall performance rating.
Price difference: $298. Redmi K90 is cheaper by $298.
performance
In the "performance" category, the Motorola Signature notably outperforms the Redmi K90 (92/100 vs 69/100).
display
In the "display" category, both devices are on the same level — 100/100.
camera
In the "camera" category, the Motorola Signature significantly outperforms the Redmi K90 (91/100 vs 53/100).
battery
In the "battery" category, the Redmi K90 and the Motorola Signature are nearly equal (71/100 vs 68/100).
design
In the "design" category, the Motorola Signature notably outperforms the Redmi K90 (67/100 vs 42/100).
value for money
In the "value for money" category, the Redmi K90 notably outperforms the Motorola Signature (82/100 vs 62/100).
Which is better: the Motorola Signature or the Redmi K90?
The Motorola Signature is noticeably better than the Redmi K90 — the overall rating gap is 18 points.
What is the rating of the Motorola Signature and the Redmi K90?
The Motorola Signature has a MobileRank rating of 86/100, the Redmi K90 — 68/100.
Which has the better camera: the Motorola Signature or the Redmi K90?
The Motorola Signature leads on camera score (91/100 vs 53/100).
Which is more powerful: the Motorola Signature or the Redmi K90?
The Motorola Signature leads on performance (92/100 vs 69/100).
Should you choose the Motorola Signature over the Redmi K90?
The Motorola Signature is a better fit for gamers and power users, mobile photography enthusiasts. The Redmi K90 is a better fit for active users, budget-conscious buyers.