OnePlus 15s vs Redmi K40
The OnePlus 15s (2026) runs on the Qualcomm Snapdragon 8 Elite Gen 5, while the Redmi K40 (2021) runs on the Qualcomm Snapdragon 870; estimated prices are $700 and $309. By overall MobileRank rating, the OnePlus 15s leads — 77/100 vs 34/100 (a 43-point difference). Key differences: the OnePlus 15s has the bigger battery (7500 mAh vs 4520); the main camera is 50 MP vs 48 MP; the OnePlus 15s is faster in AnTuTu (3,942,923 vs 1,010,069).
OnePlus 15s
Redmi K40
- Higher AnTuTu: 3942923 vs 1010069
- Better Geekbench Single: 3640 vs 1298
- Better Geekbench Multi: 11033 vs 3520
- Bigger battery: 7500 vs 4520 mAh
- Faster charging: 100W vs 33W
- Better main camera: 50MP vs 48MP
- Higher refresh rate: 165Hz vs 120Hz
- Lighter: 195g vs 196g
- Higher performance (92/100 vs 8/100)
- Better camera (48/100 vs 31/100)
- Longer battery life (82/100 vs 28/100)
- Better design/ergonomics (56/100 vs 55/100)
- Cheaper: $309 vs $700
- Better value for money (89/100 vs 62/100)
Comparing the OnePlus 15s vs the Redmi K40, the OnePlus 15s scores 43 points higher (77/100 vs 34/100). In the "performance" category, the OnePlus 15s leads (92/100 vs 8/100). In the "camera" category, the OnePlus 15s leads (48/100 vs 31/100). In the "battery" category, the OnePlus 15s leads (82/100 vs 28/100). In the "value for money" category, the Redmi K40 leads (89/100 vs 62/100). In the "performance" category, the OnePlus 15s significantly outperforms the Redmi K40 (92/100 vs 8/100). In the "display" category, both devices are on the same level — 100/100. In the "camera" category, the OnePlus 15s notably outperforms the Redmi K40 (48/100 vs 31/100). In the "battery" category, the OnePlus 15s significantly outperforms the Redmi K40 (82/100 vs 28/100). In the "design" category, the OnePlus 15s and the Redmi K40 are nearly equal (56/100 vs 55/100). In the "value for money" category, the Redmi K40 notably outperforms the OnePlus 15s (89/100 vs 62/100).
| Specification | OnePlus 15s | Redmi K40 | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite Gen 5 | Qualcomm Snapdragon 870 | |
| AnTuTu | 3942923 | 1010069 | |
| Geekbench Single | 3640 | 1298 | |
| Geekbench Multi | 11033 | 3520 | |
| Display | 6.3" AMOLED | 6.7" AMOLED | |
| Resolution | 2640x1216 | 2400x1080 | |
| Refresh rate | 165 Hz | 120 Hz | |
| Battery | 7500 mAh | 4520 mAh | |
| Charging | 100W | 33W | |
| Wireless charging | 50W | 0W | |
| Main camera | 50 MP | 48 MP | |
| Ultrawide | 0 MP | 8 MP | |
| Telephoto | 50 MP | 0 MP | |
| Front camera | 16 MP | 20 MP | |
| RAM | 12GB | 6GB / 8GB / 12GB | |
| Storage | 256GB / 512GB | 128GB / 256GB | |
| OS | Android 16 | Android 11 | |
| Weight | 195 g | 196 g | |
| Price | $700 | $309 |
OnePlus 15s
- Main: 50MP f/f/1.8
- Telephoto: 50MP
- Front: 16MP
Redmi K40
- Main: 48MP f/1.79
- Ultrawide: 8MP
- Front: 20MP
OnePlus 15s
- 6.3" AMOLED
- Resolution: 2640x1216
- Refresh rate: 165 Hz
Redmi K40
- 6.7" AMOLED
- Resolution: 2400x1080
- Refresh rate: 120 Hz
OnePlus 15s
- 7500 mAh
- Wired: 100W
- Wireless: 50W
Redmi K40
- 4520 mAh
- Wired: 33W
- No wireless charging
We compared OnePlus 15s and Redmi K40, covering their specs and all relevant benchmarks.
OnePlus 15s leads Redmi K40 by 290.4% in our overall performance rating.
Price difference: $391. Redmi K40 is cheaper by $391.
performance
In the "performance" category, the OnePlus 15s significantly outperforms the Redmi K40 (92/100 vs 8/100).
display
In the "display" category, both devices are on the same level — 100/100.
camera
In the "camera" category, the OnePlus 15s notably outperforms the Redmi K40 (48/100 vs 31/100).
battery
In the "battery" category, the OnePlus 15s significantly outperforms the Redmi K40 (82/100 vs 28/100).
design
In the "design" category, the OnePlus 15s and the Redmi K40 are nearly equal (56/100 vs 55/100).
value for money
In the "value for money" category, the Redmi K40 notably outperforms the OnePlus 15s (89/100 vs 62/100).
Which is better: the OnePlus 15s or the Redmi K40?
The OnePlus 15s significantly outperforms the Redmi K40 by 43 points (77/100 vs 34/100).
What is the rating of the OnePlus 15s and the Redmi K40?
The OnePlus 15s has a MobileRank rating of 77/100, the Redmi K40 — 34/100.
Which has the better camera: the OnePlus 15s or the Redmi K40?
The OnePlus 15s leads on camera score (48/100 vs 31/100).
Which is more powerful: the OnePlus 15s or the Redmi K40?
The OnePlus 15s leads on performance (92/100 vs 8/100).
Should you choose the OnePlus 15s over the Redmi K40?
The OnePlus 15s is a better fit for gamers and power users, those who care about battery life. The Redmi K40 is a better fit for budget-conscious buyers.