Motorola Signature vs Redmi K40
The Motorola Signature (2026) runs on the Qualcomm Snapdragon 8 Elite Gen 5, while the Redmi K40 (2021) runs on the Qualcomm Snapdragon 870; estimated prices are $891 and $309. By overall MobileRank rating, the Motorola Signature leads — 89/100 vs 54/100 (a 35-point difference). Key differences: the Motorola Signature has the bigger battery (5200 mAh vs 4520); the main camera is 50 MP vs 48 MP; the Motorola Signature is faster in AnTuTu (3,942,923 vs 1,010,069).
Motorola Signature
Redmi K40
- Higher AnTuTu: 3942923 vs 1010069
- Better Geekbench Single: 3640 vs 1298
- Better Geekbench Multi: 11033 vs 3520
- Bigger battery: 5200 vs 4520 mAh
- Faster charging: 90W vs 33W
- Better main camera: 50MP vs 48MP
- Lighter: 186g vs 196g
- Higher performance (98/100 vs 61/100)
- Better camera (91/100 vs 36/100)
- Longer battery life (77/100 vs 42/100)
- Better display (84/100 vs 79/100)
- Better portability (78/100 vs 64/100)
- Cheaper: $309 vs $891
- Overall rating 54/100
Comparing the Motorola Signature vs the Redmi K40, the Motorola Signature scores 35 points higher (89/100 vs 54/100). In the "performance" category, the Motorola Signature leads (98/100 vs 61/100). In the "camera" category, the Motorola Signature leads (91/100 vs 36/100). In the "battery" category, the Motorola Signature leads (77/100 vs 42/100). In the "performance" category, the Motorola Signature significantly outperforms the Redmi K40 (98/100 vs 61/100). In the "display" category, the Motorola Signature is a bit better (84/100 vs 79/100). In the "camera" category, the Motorola Signature significantly outperforms the Redmi K40 (91/100 vs 36/100). In the "battery" category, the Motorola Signature significantly outperforms the Redmi K40 (77/100 vs 42/100). In the "portability" category, the Motorola Signature is a bit better (78/100 vs 64/100).
| Specification | Motorola Signature | Redmi K40 | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite Gen 5 | Qualcomm Snapdragon 870 | |
| AnTuTu | 3942923 | 1010069 | |
| Geekbench Single | 3640 | 1298 | |
| Geekbench Multi | 11033 | 3520 | |
| Display | 6.8" AMOLED | 6.7" AMOLED | |
| Resolution | 1264x2780 | 2400x1080 | |
| Refresh rate | 120 Hz | 120 Hz | |
| Battery | 5200 mAh | 4520 mAh | |
| Charging | 90W | 33W | |
| Wireless charging | 50W | — | |
| DXOMark (camera) | 164 | — | |
| Main camera | 50 MP | 48 MP | |
| Ultrawide | 13 MP | 8 MP | |
| Telephoto | 50 MP | 0 MP | |
| Front camera | 32 MP | 20 MP | |
| RAM | 12GB / 16GB | 6GB / 8GB / 12GB | |
| Storage | 256GB / 512GB / 1TB | 128GB / 256GB | |
| OS | Android 16 | Android 11 | |
| Brightness (peak) | 6200 nits | — | |
| NFC | yes | — | |
| Protection | IP68 | — | |
| Dimensions | 162.1×76.4×7.0 mm | — | |
| Weight | 186 g | 196 g | |
| Price | $891 | $309 |
Motorola Signature
- Main: 50MP f/f/1.8
- Ultrawide: 13MP
- Telephoto: 50MP
- Front: 32MP
Redmi K40
- Main: 48MP f/1.79
- Ultrawide: 8MP
- Front: 20MP
Motorola Signature
- 6.8" AMOLED
- Resolution: 1264x2780
- Refresh rate: 120 Hz
Redmi K40
- 6.7" AMOLED
- Resolution: 2400x1080
- Refresh rate: 120 Hz
Motorola Signature
- 5200 mAh
- Wired: 90W
- Wireless: 50W
Redmi K40
- 4520 mAh
- Wired: 33W
- Wireless charging: no data
We compared Motorola Signature and Redmi K40, covering their specs and all relevant benchmarks.
Motorola Signature leads Redmi K40 by 290.4% in our overall performance rating.
Price difference: $582. Redmi K40 is cheaper by $582.
performance
In the "performance" category, the Motorola Signature significantly outperforms the Redmi K40 (98/100 vs 61/100).
display
In the "display" category, the Motorola Signature is a bit better (84/100 vs 79/100).
camera
In the "camera" category, the Motorola Signature significantly outperforms the Redmi K40 (91/100 vs 36/100).
battery
In the "battery" category, the Motorola Signature significantly outperforms the Redmi K40 (77/100 vs 42/100).
portability
In the "portability" category, the Motorola Signature is a bit better (78/100 vs 64/100).
Which is better: the Motorola Signature or the Redmi K40?
The Motorola Signature significantly outperforms the Redmi K40 by 35 points (89/100 vs 54/100).
What is the rating of the Motorola Signature and the Redmi K40?
The Motorola Signature has a MobileRank rating of 89/100, the Redmi K40 — 54/100.
Which has the better camera: the Motorola Signature or the Redmi K40?
The Motorola Signature leads on camera score (91/100 vs 36/100).
Which is more powerful: the Motorola Signature or the Redmi K40?
The Motorola Signature leads on performance (98/100 vs 61/100).
Should you choose the Motorola Signature over the Redmi K40?
The Motorola Signature is a better fit for gamers and power users, mobile photography enthusiasts, those who care about battery life, budget-conscious buyers. The Redmi K40 is a better fit for active users.