OnePlus Ace 6 vs Redmi K20 Pro Premium
The OnePlus Ace 6 (2025) runs on the Qualcomm Snapdragon 8 Elite, while the Redmi K20 Pro Premium (2019) runs on the Qualcomm Snapdragon 855+. By overall MobileRank rating, the OnePlus Ace 6 leads — 65/100 vs 17/100 (a 48-point difference). Key differences: the OnePlus Ace 6 has the bigger battery (7800 mAh vs 4000); the main camera is 50 MP vs 48 MP; the OnePlus Ace 6 is faster in AnTuTu (3,391,399 vs 859,084); the Redmi K20 Pro Premium is noticeably lighter (191g vs 213g).
OnePlus Ace 6
Redmi K20 Pro Premium
- Higher AnTuTu: 3391399 vs 859084
- Better Geekbench Single: 3050 vs 1031
- Better Geekbench Multi: 9300 vs 2864
- Bigger battery: 7800 vs 4000 mAh
- Faster charging: 120W vs 27W
- Better main camera: 50MP vs 48MP
- Higher performance (73/100 vs 2/100)
- Longer battery life (79/100 vs 13/100)
- Better display (100/100 vs 0/100)
- Better value for money (82/100 vs 55/100)
- Lighter: 191g vs 213g
- Better camera (36/100 vs 31/100)
- Better design/ergonomics (61/100 vs 33/100)
Comparing the OnePlus Ace 6 vs the Redmi K20 Pro Premium, the OnePlus Ace 6 scores 48 points higher (65/100 vs 17/100). In the "performance" category, the OnePlus Ace 6 leads (73/100 vs 2/100). In the "battery" category, the OnePlus Ace 6 leads (79/100 vs 13/100). In the "value for money" category, the OnePlus Ace 6 leads (82/100 vs 55/100). In the "performance" category, the OnePlus Ace 6 significantly outperforms the Redmi K20 Pro Premium (73/100 vs 2/100). In the "display" category, the OnePlus Ace 6 significantly outperforms the Redmi K20 Pro Premium (100/100 vs 0/100). In the "camera" category, the Redmi K20 Pro Premium is a bit better (36/100 vs 31/100). In the "battery" category, the OnePlus Ace 6 significantly outperforms the Redmi K20 Pro Premium (79/100 vs 13/100). In the "design" category, the Redmi K20 Pro Premium notably outperforms the OnePlus Ace 6 (61/100 vs 33/100). In the "value for money" category, the OnePlus Ace 6 notably outperforms the Redmi K20 Pro Premium (82/100 vs 55/100).
| Specification | OnePlus Ace 6 | Redmi K20 Pro Premium | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | Qualcomm Snapdragon 855+ | |
| AnTuTu | 3391399 | 859084 | |
| Geekbench Single | 3050 | 1031 | |
| Geekbench Multi | 9300 | 2864 | |
| Display | 6.8" OLED | 6.4" Super AMOLED | |
| Resolution | 2800x1272 | 1080x2340 | |
| Refresh rate | 165 Hz | — | |
| Battery | 7800 mAh | 4000 mAh | |
| Charging | 120W | 27W | |
| Main camera | 50 MP | 48 MP | |
| Ultrawide | 8 MP | 13 MP | |
| Telephoto | 0 MP | 8 MP | |
| Front camera | 16 MP | 20 MP | |
| RAM | 12GB / 16GB | 8GB / 12GB | |
| Storage | 256GB / 512GB / 1TB | 128GB / 512GB | |
| OS | Android 15 | Android 10; MIUI 11 | |
| Brightness (peak) | 1800 nits | — | |
| NFC | yes | yes | |
| Protection | IP68 | — | |
| Dimensions | 163.4×77.0×8.3 mm | 156.7×74.3×8.8 mm | |
| Weight | 213 g | 191 g | |
| Price | $399 | — |
OnePlus Ace 6
- Main: 50MP f/f/1.8
- Ultrawide: 8MP
- Front: 16MP
Redmi K20 Pro Premium
- Main: 48MP f/f/1.8
- Ultrawide: 13MP
- Telephoto: 8MP
- Front: 20MP
OnePlus Ace 6
- 6.8" OLED
- Resolution: 2800x1272
- Refresh rate: 165 Hz
Redmi K20 Pro Premium
- 6.4" Super AMOLED
- Resolution: 1080x2340
- Refresh rate: —
OnePlus Ace 6
- 7800 mAh
- Wired: 120W
- No wireless charging
Redmi K20 Pro Premium
- 4000 mAh
- Wired: 27W
- No wireless charging
We compared OnePlus Ace 6 and Redmi K20 Pro Premium, covering their specs and all relevant benchmarks.
OnePlus Ace 6 leads Redmi K20 Pro Premium by 294.8% in our overall performance rating.
Redmi K20 Pro Premium
Price unknownperformance
In the "performance" category, the OnePlus Ace 6 significantly outperforms the Redmi K20 Pro Premium (73/100 vs 2/100).
display
In the "display" category, the OnePlus Ace 6 significantly outperforms the Redmi K20 Pro Premium (100/100 vs 0/100).
camera
In the "camera" category, the Redmi K20 Pro Premium is a bit better (36/100 vs 31/100).
battery
In the "battery" category, the OnePlus Ace 6 significantly outperforms the Redmi K20 Pro Premium (79/100 vs 13/100).
design
In the "design" category, the Redmi K20 Pro Premium notably outperforms the OnePlus Ace 6 (61/100 vs 33/100).
value for money
In the "value for money" category, the OnePlus Ace 6 notably outperforms the Redmi K20 Pro Premium (82/100 vs 55/100).
Which is better: the OnePlus Ace 6 or the Redmi K20 Pro Premium?
The OnePlus Ace 6 significantly outperforms the Redmi K20 Pro Premium by 48 points (65/100 vs 17/100).
What is the rating of the OnePlus Ace 6 and the Redmi K20 Pro Premium?
The OnePlus Ace 6 has a MobileRank rating of 65/100, the Redmi K20 Pro Premium — 17/100.
Which has the better camera: the OnePlus Ace 6 or the Redmi K20 Pro Premium?
The Redmi K20 Pro Premium leads on camera score (36/100 vs 31/100).
Which is more powerful: the OnePlus Ace 6 or the Redmi K20 Pro Premium?
The OnePlus Ace 6 leads on performance (73/100 vs 2/100).
Should you choose the OnePlus Ace 6 over the Redmi K20 Pro Premium?
The OnePlus Ace 6 is a better fit for active users, those who care about battery life, budget-conscious buyers. The Redmi K20 Pro Premium is a better fit for everyday use.