OnePlus Ace 7 vs Redmi K40
The OnePlus Ace 7 (2026) runs on the Qualcomm Snapdragon 8 Elite Gen 5, while the Redmi K40 (2021) runs on the Qualcomm Snapdragon 870. By overall MobileRank rating, the OnePlus Ace 7 leads — 77/100 vs 54/100 (a 23-point difference). Key differences: the OnePlus Ace 7 has the bigger battery (9000 mAh vs 4520); the main camera is 50 MP vs 48 MP; the OnePlus Ace 7 is faster in AnTuTu (3,950,082 vs 1,010,069).
Profile comparison
Category scores
OnePlus Ace 7
Redmi K40
What makes OnePlus Ace 7 better?
- Higher AnTuTu: 3950082 vs 1010069
- Better Geekbench Single: 3639 vs 1298
- Better Geekbench Multi: 11047 vs 3520
- Bigger battery: 9000 vs 4520 mAh
- Faster charging: 100W vs 33W
- Better main camera: 50MP vs 48MP
- Higher refresh rate: 185Hz vs 120Hz
- Higher performance (98/100 vs 61/100)
- Longer battery life (80/100 vs 42/100)
- Better display (94/100 vs 79/100)
What makes Redmi K40 better?
- Better camera (36/100 vs 35/100)
Comparison verdict
Comparing the OnePlus Ace 7 vs the Redmi K40, the OnePlus Ace 7 scores 23 points higher (77/100 vs 54/100). In the "performance" category, the OnePlus Ace 7 leads (98/100 vs 61/100). In the "battery" category, the OnePlus Ace 7 leads (80/100 vs 42/100). In the "performance" category, the OnePlus Ace 7 significantly outperforms the Redmi K40 (98/100 vs 61/100). In the "display" category, the OnePlus Ace 7 notably outperforms the Redmi K40 (94/100 vs 79/100). In the "camera" category, the Redmi K40 and the OnePlus Ace 7 are nearly equal (36/100 vs 35/100). In the "battery" category, the OnePlus Ace 7 significantly outperforms the Redmi K40 (80/100 vs 42/100).
Specs comparison
| Specification | OnePlus Ace 7 | Redmi K40 | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite Gen 5 | Qualcomm Snapdragon 870 | |
| AnTuTu | 3950082 | 1010069 | |
| Geekbench Single | 3639 | 1298 | |
| Geekbench Multi | 11047 | 3520 | |
| Display | 6.8" AMOLED | 6.7" AMOLED | |
| Resolution | 1272x2800 | 2400x1080 | |
| Refresh rate | 185 Hz | 120 Hz | |
| Battery | 9000 mAh | 4520 mAh | |
| Charging | 100W | 33W | |
| Main camera | 50 MP | 48 MP | |
| Ultrawide | 8 MP | 8 MP | |
| Front camera | 16 MP | 20 MP | |
| RAM | 12GB / 16GB | 6GB / 8GB / 12GB | |
| Storage | 256GB / 512GB / 1TB | 128GB / 256GB | |
| OS | Android 16 | Android 11 | |
| Brightness (peak) | — | 1300 nits | |
| NFC | yes | yes | |
| Protection | IP68 | — | |
| Dimensions | — | 163.7×76.4×7.8 mm | |
| Weight | — | 196 g | |
| Launch price | — | $309 |
Camera comparison
OnePlus Ace 7
- Main: 50MP f/1.8
- Ultrawide: 8MP
- Front: 16MP
Redmi K40
- Main: 48MP f/1.79
- Ultrawide: 8MP
- Front: 20MP
Display comparison
OnePlus Ace 7
- 6.8" AMOLED
- Resolution: 1272x2800
- Refresh rate: 185 Hz
Redmi K40
- 6.7" AMOLED
- Resolution: 2400x1080
- Refresh rate: 120 Hz
Battery and charging
OnePlus Ace 7
- 9000 mAh
- Wired: 100W
- No wireless charging
Redmi K40
- 4520 mAh
- Wired: 33W
- Wireless charging: no data
Overall performance score
We compared OnePlus Ace 7 and Redmi K40, covering their specs and all relevant benchmarks.
OnePlus Ace 7 leads Redmi K40 by 291.1% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
OnePlus Ace 7
Price unknownDetailed category analysis
performance
In the "performance" category, the OnePlus Ace 7 significantly outperforms the Redmi K40 (98/100 vs 61/100).
display
In the "display" category, the OnePlus Ace 7 notably outperforms the Redmi K40 (94/100 vs 79/100).
camera
In the "camera" category, the Redmi K40 and the OnePlus Ace 7 are nearly equal (36/100 vs 35/100).
battery
In the "battery" category, the OnePlus Ace 7 significantly outperforms the Redmi K40 (80/100 vs 42/100).
Frequently asked questions
Which is better: the OnePlus Ace 7 or the Redmi K40?
The OnePlus Ace 7 significantly outperforms the Redmi K40 by 23 points (77/100 vs 54/100).
What is the rating of the OnePlus Ace 7 and the Redmi K40?
The OnePlus Ace 7 has a MobileRank rating of 77/100, the Redmi K40 — 54/100.
Which is more powerful: the OnePlus Ace 7 or the Redmi K40?
The OnePlus Ace 7 leads on performance (98/100 vs 61/100).
Should you choose the OnePlus Ace 7 over the Redmi K40?
The OnePlus Ace 7 is a better fit for gamers and power users, those who care about battery life. The Redmi K40 is a better fit for active users.