OnePlus 15 vs Redmi K40 Pro

The OnePlus 15 (2025) runs on the Qualcomm Snapdragon 8 Elite Gen 5, while the Redmi K40 Pro (2021) runs on the Qualcomm Snapdragon 888. By overall MobileRank rating, the OnePlus 15 leads — 86/100 vs 56/100 (a 30-point difference). Key differences: the OnePlus 15 has the bigger battery (6500 mAh vs 4520); the main camera is 50 MP vs 64 MP; the OnePlus 15 is faster in AnTuTu (3,606,149 vs 1,135,878); the Redmi K40 Pro is noticeably lighter (196g vs 213g).

The OnePlus 15 significantly outperforms the Redmi K40 Pro by 30 points (86/100 vs 56/100).

Profile comparison

Category scores

OnePlus 15

Performance 97
Display 84
Camera 78
Battery 89
Portability 50
Value for money 86

Redmi K40 Pro

Performance 64
Display 79
Camera 44
Battery 36
Portability 64
Value for money —

What makes OnePlus 15 better?

  • Higher AnTuTu: 3606149 vs 1135878
  • Better Geekbench Single: 3639 vs 1500
  • Better Geekbench Multi: 11047 vs 3537
  • Bigger battery: 6500 vs 4520 mAh
  • Faster charging: 120W vs 33W

  • Higher performance (97/100 vs 64/100)
  • Better camera (78/100 vs 44/100)
  • Longer battery life (89/100 vs 36/100)
  • Better display (84/100 vs 79/100)

What makes Redmi K40 Pro better?

  • Better main camera: 64MP vs 50MP
  • Lighter: 196g vs 213g

  • Better portability (64/100 vs 50/100)

Comparison verdict

Comparing the OnePlus 15 vs the Redmi K40 Pro, the OnePlus 15 scores 30 points higher (86/100 vs 56/100). In the "performance" category, the OnePlus 15 leads (97/100 vs 64/100). In the "camera" category, the OnePlus 15 leads (78/100 vs 44/100). In the "battery" category, the OnePlus 15 leads (89/100 vs 36/100). In the "performance" category, the OnePlus 15 significantly outperforms the Redmi K40 Pro (97/100 vs 64/100). In the "display" category, the OnePlus 15 is a bit better (84/100 vs 79/100). In the "camera" category, the OnePlus 15 significantly outperforms the Redmi K40 Pro (78/100 vs 44/100). In the "battery" category, the OnePlus 15 significantly outperforms the Redmi K40 Pro (89/100 vs 36/100). In the "portability" category, the Redmi K40 Pro is a bit better (64/100 vs 50/100).

OnePlus 15: The OnePlus 15 is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.
Redmi K40 Pro: The Redmi K40 Pro is a better fit for active users.

Specs comparison

Specification OnePlus 15 Redmi K40 Pro
Processor Qualcomm Snapdragon 8 Elite Gen 5 Qualcomm Snapdragon 888
AnTuTu 3606149 1135878
Geekbench Single 3639 1500
Geekbench Multi 11047 3537
Display 6.8" AMOLED 6.7" Super AMOLED
Resolution 1272x2772 1080x2400
Refresh rate 120 Hz 120 Hz
Battery 6500 mAh 4520 mAh
Charging 120W 33W
Wireless charging 50W 0W
Main camera 50 MP 64 MP
Ultrawide 50 MP 8 MP
Telephoto 50 MP 0 MP
Front camera 32 MP 20 MP
RAM 12GB / 16GB 6GB / 8GB
Storage 256GB / 512GB 128GB / 256GB
OS Android 16, OxygenOS 16 (Global), ColorOS 16 (China) Android 11, MIUI 12
Brightness (peak) 1800 nits 1300 nits
NFC yes yes
Protection IP68 IP53
Dimensions 161.4×76.7×8.1 mm 163.7×76.4×7.8 mm
Weight 213 g 196 g
Launch price $799 —

Camera comparison

OnePlus 15

  • Main: 50MP f/1.8
  • Ultrawide: 50MP
  • Telephoto: 50MP
  • Front: 32MP
78
camera

Redmi K40 Pro

  • Main: 64MP f/1.9
  • Ultrawide: 8MP
  • Front: 20MP
44
camera

Display comparison

OnePlus 15

  • 6.8" AMOLED
  • Resolution: 1272x2772
  • Refresh rate: 120 Hz
84
display

Redmi K40 Pro

  • 6.7" Super AMOLED
  • Resolution: 1080x2400
  • Refresh rate: 120 Hz
79
display

Battery and charging

OnePlus 15

  • 6500 mAh
  • Wired: 120W
  • Wireless: 50W
89
battery

Redmi K40 Pro

  • 4520 mAh
  • Wired: 33W
  • No wireless charging
36
battery

Overall performance score

We compared OnePlus 15 and Redmi K40 Pro, covering their specs and all relevant benchmarks.

OnePlus 15 Qualcomm Snapdragon 8 Elite Gen 5
86/100
3606149 AnTuTu
Redmi K40 Pro Qualcomm Snapdragon 888
56/100 -217.5%
1135878 AnTuTu

OnePlus 15 leads Redmi K40 Pro by 217.5% in our overall performance rating.

Benchmarks

Launch prices and where to check today's

OnePlus 15

$799

Redmi K40 Pro

Price unknown

Detailed category analysis

performance

In the "performance" category, the OnePlus 15 significantly outperforms the Redmi K40 Pro (97/100 vs 64/100).

display

In the "display" category, the OnePlus 15 is a bit better (84/100 vs 79/100).

camera

In the "camera" category, the OnePlus 15 significantly outperforms the Redmi K40 Pro (78/100 vs 44/100).

battery

In the "battery" category, the OnePlus 15 significantly outperforms the Redmi K40 Pro (89/100 vs 36/100).

portability

In the "portability" category, the Redmi K40 Pro is a bit better (64/100 vs 50/100).

Frequently asked questions

Which is better: the OnePlus 15 or the Redmi K40 Pro?

The OnePlus 15 significantly outperforms the Redmi K40 Pro by 30 points (86/100 vs 56/100).

What is the rating of the OnePlus 15 and the Redmi K40 Pro?

The OnePlus 15 has a MobileRank rating of 86/100, the Redmi K40 Pro — 56/100.

Which has the better camera: the OnePlus 15 or the Redmi K40 Pro?

The OnePlus 15 leads on camera score (78/100 vs 44/100).

Which is more powerful: the OnePlus 15 or the Redmi K40 Pro?

The OnePlus 15 leads on performance (97/100 vs 64/100).

Should you choose the OnePlus 15 over the Redmi K40 Pro?

The OnePlus 15 is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers. The Redmi K40 Pro is a better fit for active users.