Redmi K40 Pro vs Xiaomi 18 Fold
The Redmi K40 Pro (2021) runs on the Qualcomm Snapdragon 888, while the Xiaomi 18 Fold (2026) runs on the Xiaomi XRING O3. By overall MobileRank rating, the Xiaomi 18 Fold leads — 86/100 vs 56/100 (a 30-point difference). Key differences: the Xiaomi 18 Fold has the bigger battery (6000 mAh vs 4520); the main camera is 64 MP vs 200 MP; the Xiaomi 18 Fold is faster in AnTuTu (5,228,014 vs 1,135,878); the Redmi K40 Pro is noticeably lighter (196g vs 219g).
Profile comparison
Category scores
Redmi K40 Pro
Xiaomi 18 Fold
What makes Redmi K40 Pro better?
- Lighter: 196g vs 219g
- Overall rating 56/100
What makes Xiaomi 18 Fold better?
- Higher AnTuTu: 5228014 vs 1135878
- Better Geekbench Single: 3715 vs 1500
- Better Geekbench Multi: 14213 vs 3537
- Bigger battery: 6000 vs 4520 mAh
- Faster charging: 67W vs 33W
- Better main camera: 200MP vs 64MP
- Higher performance (99/100 vs 64/100)
- Better camera (85/100 vs 44/100)
- Longer battery life (75/100 vs 36/100)
Comparison verdict
Comparing the Redmi K40 Pro vs the Xiaomi 18 Fold, the Xiaomi 18 Fold scores 30 points higher (86/100 vs 56/100). In the "performance" category, the Xiaomi 18 Fold leads (99/100 vs 64/100). In the "camera" category, the Xiaomi 18 Fold leads (85/100 vs 44/100). In the "battery" category, the Xiaomi 18 Fold leads (75/100 vs 36/100). In the "performance" category, the Xiaomi 18 Fold significantly outperforms the Redmi K40 Pro (99/100 vs 64/100). In the "display" category, both devices are on the same level — 79/100. In the "camera" category, the Xiaomi 18 Fold significantly outperforms the Redmi K40 Pro (85/100 vs 44/100). In the "battery" category, the Xiaomi 18 Fold significantly outperforms the Redmi K40 Pro (75/100 vs 36/100). In the "portability" category, both devices are on the same level — 64/100.
Specs comparison
| Specification | Redmi K40 Pro | Xiaomi 18 Fold | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 888 | Xiaomi XRING O3 | |
| AnTuTu | 1135878 | 5228014 | |
| Geekbench Single | 1500 | 3715 | |
| Geekbench Multi | 3537 | 14213 | |
| Display | 6.7" Super AMOLED | 7.6" LTPO AMOLED | |
| Resolution | 1080x2400 | 1672x2364 | |
| Refresh rate | 120 Hz | 120 Hz | |
| Battery | 4520 mAh | 6000 mAh | |
| Charging | 33W | 67W | |
| Wireless charging | 0W | 50W | |
| Main camera | 64 MP | 200 MP | |
| Ultrawide | 8 MP | 50 MP | |
| Telephoto | 0 MP | 50 MP | |
| Front camera | 20 MP | 16 MP | |
| RAM | 6GB / 8GB | 12GB / 16GB | |
| Storage | 128GB / 256GB | 256GB / 512GB / 1TB | |
| OS | Android 11, MIUI 12 | Android 16 | |
| Brightness (peak) | 1300 nits | 4000 nits | |
| NFC | yes | yes | |
| Protection | IP53 | IP59 | |
| Dimensions | 163.7×76.4×7.8 mm | 159.7×145.1×5.0 mm | |
| Weight | 196 g | 219 g | |
| Launch price | — | $1639 |
Camera comparison
Redmi K40 Pro
- Main: 64MP f/1.9
- Ultrawide: 8MP
- Front: 20MP
Xiaomi 18 Fold
- Main: 200MP f/1.7
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 16MP
Display comparison
Redmi K40 Pro
- 6.7" Super AMOLED
- Resolution: 1080x2400
- Refresh rate: 120 Hz
Xiaomi 18 Fold
- 7.6" LTPO AMOLED
- Resolution: 1672x2364
- Refresh rate: 120 Hz
Battery and charging
Redmi K40 Pro
- 4520 mAh
- Wired: 33W
- No wireless charging
Xiaomi 18 Fold
- 6000 mAh
- Wired: 67W
- Wireless: 50W
Overall performance score
We compared Redmi K40 Pro and Xiaomi 18 Fold, covering their specs and all relevant benchmarks.
Xiaomi 18 Fold leads Redmi K40 Pro by 78.3% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Redmi K40 Pro
Price unknownDetailed category analysis
performance
In the "performance" category, the Xiaomi 18 Fold significantly outperforms the Redmi K40 Pro (99/100 vs 64/100).
display
In the "display" category, both devices are on the same level — 79/100.
camera
In the "camera" category, the Xiaomi 18 Fold significantly outperforms the Redmi K40 Pro (85/100 vs 44/100).
battery
In the "battery" category, the Xiaomi 18 Fold significantly outperforms the Redmi K40 Pro (75/100 vs 36/100).
portability
In the "portability" category, both devices are on the same level — 64/100.
Frequently asked questions
Which is better: the Redmi K40 Pro or the Xiaomi 18 Fold?
The Xiaomi 18 Fold significantly outperforms the Redmi K40 Pro by 30 points (86/100 vs 56/100).
What is the rating of the Redmi K40 Pro and the Xiaomi 18 Fold?
The Redmi K40 Pro has a MobileRank rating of 56/100, the Xiaomi 18 Fold — 86/100.
Which has the better camera: the Redmi K40 Pro or the Xiaomi 18 Fold?
The Xiaomi 18 Fold leads on camera score (85/100 vs 44/100).
Which is more powerful: the Redmi K40 Pro or the Xiaomi 18 Fold?
The Xiaomi 18 Fold leads on performance (99/100 vs 64/100).
Should you choose the Redmi K40 Pro over the Xiaomi 18 Fold?
The Redmi K40 Pro is a better fit for active users. 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.