OnePlus Ace 7 Pro vs Redmi K40

The OnePlus Ace 7 Pro (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 Pro leads — 83/100 vs 54/100 (a 29-point difference). Key differences: the OnePlus Ace 7 Pro has the bigger battery (9000 mAh vs 4520); the main camera is 200 MP vs 48 MP; the OnePlus Ace 7 Pro is faster in AnTuTu (4,097,962 vs 1,010,069); the Redmi K40 is noticeably lighter (196g vs 218g).

The OnePlus Ace 7 Pro significantly outperforms the Redmi K40 by 29 points (83/100 vs 54/100).

Profile comparison

Category scores

OnePlus Ace 7 Pro

Performance 98
Display 94
Camera 65
Battery 80
Portability 43
Value for money —

Redmi K40

Performance 61
Display 79
Camera 36
Battery 42
Portability 64
Value for money 46

What makes OnePlus Ace 7 Pro better?

  • Higher AnTuTu: 4097962 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: 200MP vs 48MP
  • Higher refresh rate: 185Hz vs 120Hz

  • Higher performance (98/100 vs 61/100)
  • Better camera (65/100 vs 36/100)
  • Longer battery life (80/100 vs 42/100)
  • Better display (94/100 vs 79/100)

What makes Redmi K40 better?

  • Lighter: 196g vs 218g

  • Better portability (64/100 vs 43/100)

Comparison verdict

Comparing the OnePlus Ace 7 Pro vs the Redmi K40, the OnePlus Ace 7 Pro scores 29 points higher (83/100 vs 54/100). In the "performance" category, the OnePlus Ace 7 Pro leads (98/100 vs 61/100). In the "camera" category, the OnePlus Ace 7 Pro leads (65/100 vs 36/100). In the "battery" category, the OnePlus Ace 7 Pro leads (80/100 vs 42/100). In the "performance" category, the OnePlus Ace 7 Pro significantly outperforms the Redmi K40 (98/100 vs 61/100). In the "display" category, the OnePlus Ace 7 Pro notably outperforms the Redmi K40 (94/100 vs 79/100). In the "camera" category, the OnePlus Ace 7 Pro notably outperforms the Redmi K40 (65/100 vs 36/100). In the "battery" category, the OnePlus Ace 7 Pro significantly outperforms the Redmi K40 (80/100 vs 42/100). In the "portability" category, the Redmi K40 notably outperforms the OnePlus Ace 7 Pro (64/100 vs 43/100).

OnePlus Ace 7 Pro: The OnePlus Ace 7 Pro is a better fit for gamers and power users, those who care about battery life.
Redmi K40: The Redmi K40 is a better fit for active users.

Specs comparison

Specification OnePlus Ace 7 Pro Redmi K40
Processor Qualcomm Snapdragon 8 Elite Gen 5 Qualcomm Snapdragon 870
AnTuTu 4097962 1010069
Geekbench Single 3639 1298
Geekbench Multi 11047 3520
Display 6.8" LTPO AMOLED 6.7" AMOLED
Resolution 1272x2772 2400x1080
Refresh rate 185 Hz 120 Hz
Battery 9000 mAh 4520 mAh
Charging 100W 33W
Main camera 200 MP 48 MP
Ultrawide 0 MP 8 MP
Telephoto 50 MP 0 MP
Front camera 16 MP 20 MP
RAM 12GB / 16GB 6GB / 8GB / 12GB
Storage 256GB / 512GB / 1TB 128GB / 256GB
OS Android 17 Android 11
Brightness (peak) 2000 nits 1300 nits
NFC yes yes
Protection IP68/IP69 —
Dimensions 162.3×77.4×8.5 mm 163.7×76.4×7.8 mm
Weight 218 g 196 g
Launch price — $309

Camera comparison

OnePlus Ace 7 Pro

  • Main: 200MP f/1.8
  • Telephoto: 50MP
  • Front: 16MP
65
camera

Redmi K40

  • Main: 48MP f/1.79
  • Ultrawide: 8MP
  • Front: 20MP
36
camera

Display comparison

OnePlus Ace 7 Pro

  • 6.8" LTPO AMOLED
  • Resolution: 1272x2772
  • Refresh rate: 185 Hz
94
display

Redmi K40

  • 6.7" AMOLED
  • Resolution: 2400x1080
  • Refresh rate: 120 Hz
79
display

Battery and charging

OnePlus Ace 7 Pro

  • 9000 mAh
  • Wired: 100W
  • No wireless charging
80
battery

Redmi K40

  • 4520 mAh
  • Wired: 33W
  • Wireless charging: no data
42
battery

Overall performance score

We compared OnePlus Ace 7 Pro and Redmi K40, covering their specs and all relevant benchmarks.

OnePlus Ace 7 Pro Qualcomm Snapdragon 8 Elite Gen 5
83/100
4097962 AnTuTu
Redmi K40 Qualcomm Snapdragon 870
54/100 -305.7%
1010069 AnTuTu

OnePlus Ace 7 Pro leads Redmi K40 by 305.7% in our overall performance rating.

Benchmarks

Launch prices and where to check today's

OnePlus Ace 7 Pro

Price unknown

Redmi K40

$309

Detailed category analysis

performance

In the "performance" category, the OnePlus Ace 7 Pro significantly outperforms the Redmi K40 (98/100 vs 61/100).

display

In the "display" category, the OnePlus Ace 7 Pro notably outperforms the Redmi K40 (94/100 vs 79/100).

camera

In the "camera" category, the OnePlus Ace 7 Pro notably outperforms the Redmi K40 (65/100 vs 36/100).

battery

In the "battery" category, the OnePlus Ace 7 Pro significantly outperforms the Redmi K40 (80/100 vs 42/100).

portability

In the "portability" category, the Redmi K40 notably outperforms the OnePlus Ace 7 Pro (64/100 vs 43/100).

Frequently asked questions

Which is better: the OnePlus Ace 7 Pro or the Redmi K40?

The OnePlus Ace 7 Pro significantly outperforms the Redmi K40 by 29 points (83/100 vs 54/100).

What is the rating of the OnePlus Ace 7 Pro and the Redmi K40?

The OnePlus Ace 7 Pro has a MobileRank rating of 83/100, the Redmi K40 — 54/100.

Which has the better camera: the OnePlus Ace 7 Pro or the Redmi K40?

The OnePlus Ace 7 Pro leads on camera score (65/100 vs 36/100).

Which is more powerful: the OnePlus Ace 7 Pro or the Redmi K40?

The OnePlus Ace 7 Pro leads on performance (98/100 vs 61/100).

Should you choose the OnePlus Ace 7 Pro over the Redmi K40?

The OnePlus Ace 7 Pro 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.