OnePlus 15s vs Redmi K20
The OnePlus 15s (2026) runs on the Qualcomm Snapdragon 8 Elite Gen 5, while the Redmi K20 (2019) runs on the Qualcomm Snapdragon 730; launch prices were $700 and $250. By overall MobileRank rating, the OnePlus 15s leads — 83/100 vs 41/100 (a 42-point difference). Key differences: the OnePlus 15s has the bigger battery (7500 mAh vs 4000); the main camera is 50 MP vs 48 MP; the OnePlus 15s is faster in AnTuTu (3,950,082 vs 502,844).
Profile comparison
Category scores
OnePlus 15s
Redmi K20
What makes OnePlus 15s better?
- Higher AnTuTu: 3950082 vs 502844
- Better Geekbench Single: 3639 vs 724
- Better Geekbench Multi: 11047 vs 1836
- Bigger battery: 7500 vs 4000 mAh
- Faster charging: 100W vs 18W
- Better main camera: 50MP vs 48MP
- Higher refresh rate: 165Hz vs 60Hz
- Higher performance (98/100 vs 41/100)
- Better camera (53/100 vs 41/100)
- Longer battery life (89/100 vs 27/100)
- Better display (95/100 vs 56/100)
- Better portability (64/100 vs 56/100)
What makes Redmi K20 better?
- Lighter: 191g vs 195g
- Cheaper at launch: $250 vs $700
- Overall rating 41/100
Comparison verdict
Comparing the OnePlus 15s vs the Redmi K20, the OnePlus 15s scores 42 points higher (83/100 vs 41/100). In the "performance" category, the OnePlus 15s leads (98/100 vs 41/100). In the "camera" category, the OnePlus 15s leads (53/100 vs 41/100). In the "battery" category, the OnePlus 15s leads (89/100 vs 27/100). Value score: OnePlus 15s — 80/100, Redmi K20 — 32/100; 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 OnePlus 15s significantly outperforms the Redmi K20 (98/100 vs 41/100). In the "display" category, the OnePlus 15s significantly outperforms the Redmi K20 (95/100 vs 56/100). In the "camera" category, the OnePlus 15s is a bit better (53/100 vs 41/100). In the "battery" category, the OnePlus 15s significantly outperforms the Redmi K20 (89/100 vs 27/100). In the "portability" category, the OnePlus 15s is a bit better (64/100 vs 56/100).
Specs comparison
| Specification | OnePlus 15s | Redmi K20 | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite Gen 5 | Qualcomm Snapdragon 730 | |
| AnTuTu | 3950082 | 502844 | |
| Geekbench Single | 3639 | 724 | |
| Geekbench Multi | 11047 | 1836 | |
| Display | 6.3" AMOLED | 6.4" AMOLED | |
| Resolution | 2640x1216 | 2340x1080 | |
| Refresh rate | 165 Hz | 60 Hz | |
| Battery | 7500 mAh | 4000 mAh | |
| Charging | 100W | 18W | |
| Wireless charging | 50W | — | |
| Main camera | 50 MP | 48 MP | |
| Ultrawide | 0 MP | 13 MP | |
| Telephoto | 50 MP | 8 MP | |
| Front camera | 16 MP | 20 MP | |
| RAM | 12GB | 6GB / 8GB | |
| Storage | 256GB / 512GB | 64GB / 128GB / 256GB | |
| OS | Android 16 | Android 9 | |
| NFC | — | yes | |
| Dimensions | — | 156.7×74.3×8.8 mm | |
| Weight | 195 g | 191 g | |
| Launch price | $700 | $250 |
Camera comparison
OnePlus 15s
- Main: 50MP f/1.8
- Telephoto: 50MP
- Front: 16MP
Redmi K20
- Main: 48MP f/1.75
- Ultrawide: 13MP
- Telephoto: 8MP
- Front: 20MP
Display comparison
OnePlus 15s
- 6.3" AMOLED
- Resolution: 2640x1216
- Refresh rate: 165 Hz
Redmi K20
- 6.4" AMOLED
- Resolution: 2340x1080
- Refresh rate: 60 Hz
Battery and charging
OnePlus 15s
- 7500 mAh
- Wired: 100W
- Wireless: 50W
Redmi K20
- 4000 mAh
- Wired: 18W
- Wireless charging: no data
Overall performance score
We compared OnePlus 15s and Redmi K20, covering their specs and all relevant benchmarks.
OnePlus 15s leads Redmi K20 by 685.5% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $450. Redmi K20 was $450 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the OnePlus 15s significantly outperforms the Redmi K20 (98/100 vs 41/100).
display
In the "display" category, the OnePlus 15s significantly outperforms the Redmi K20 (95/100 vs 56/100).
camera
In the "camera" category, the OnePlus 15s is a bit better (53/100 vs 41/100).
battery
In the "battery" category, the OnePlus 15s significantly outperforms the Redmi K20 (89/100 vs 27/100).
portability
In the "portability" category, the OnePlus 15s is a bit better (64/100 vs 56/100).
Frequently asked questions
Which is better: the OnePlus 15s or the Redmi K20?
The OnePlus 15s significantly outperforms the Redmi K20 by 42 points (83/100 vs 41/100).
What is the rating of the OnePlus 15s and the Redmi K20?
The OnePlus 15s has a MobileRank rating of 83/100, the Redmi K20 — 41/100.
Which has the better camera: the OnePlus 15s or the Redmi K20?
The OnePlus 15s leads on camera score (53/100 vs 41/100).
Which is more powerful: the OnePlus 15s or the Redmi K20?
The OnePlus 15s leads on performance (98/100 vs 41/100).
Should you choose the OnePlus 15s over the Redmi K20?
The OnePlus 15s is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.