Redmi K40S vs Xiaomi 17 Max

The Redmi K40S (2022) runs on the Qualcomm Snapdragon 870 5G, while the Xiaomi 17 Max (2026) runs on the Qualcomm Snapdragon 8 Elite Gen 5. By overall MobileRank rating, the Xiaomi 17 Max leads — 88/100 vs 54/100 (a 34-point difference). Key differences: the Xiaomi 17 Max has the bigger battery (8000 mAh vs 4500); the main camera is 48 MP vs 200 MP; the Xiaomi 17 Max is faster in AnTuTu (3,654,776 vs 1,010,069); the Redmi K40S is noticeably lighter (195g vs 219g).

The Xiaomi 17 Max significantly outperforms the Redmi K40S by 34 points (88/100 vs 54/100).
Profile comparison
Category scores
Redmi K40S
Performance 61
Display 79
Camera 36
Battery 42
Portability 65
Value for money
Xiaomi 17 Max
Performance 97
Display 81
Camera 90
Battery 90
Portability 40
Value for money
What makes Redmi K40S better?
  • Lighter: 195g vs 219g

  • Better portability (65/100 vs 40/100)
What makes Xiaomi 17 Max better?
  • Higher AnTuTu: 3654776 vs 1010069
  • Better Geekbench Single: 3640 vs 1298
  • Better Geekbench Multi: 11033 vs 3520
  • Bigger battery: 8000 vs 4500 mAh
  • Faster charging: 100W vs 67W
  • Better main camera: 200MP vs 48MP

  • Higher performance (97/100 vs 61/100)
  • Better camera (90/100 vs 36/100)
  • Longer battery life (90/100 vs 42/100)
  • Better display (81/100 vs 79/100)
Comparison verdict

Comparing the Redmi K40S vs the Xiaomi 17 Max, the Xiaomi 17 Max scores 34 points higher (88/100 vs 54/100). In the "performance" category, the Xiaomi 17 Max leads (97/100 vs 61/100). In the "camera" category, the Xiaomi 17 Max leads (90/100 vs 36/100). In the "battery" category, the Xiaomi 17 Max leads (90/100 vs 42/100). In the "performance" category, the Xiaomi 17 Max significantly outperforms the Redmi K40S (97/100 vs 61/100). In the "display" category, the Xiaomi 17 Max and the Redmi K40S are nearly equal (81/100 vs 79/100). In the "camera" category, the Xiaomi 17 Max significantly outperforms the Redmi K40S (90/100 vs 36/100). In the "battery" category, the Xiaomi 17 Max significantly outperforms the Redmi K40S (90/100 vs 42/100). In the "portability" category, the Redmi K40S notably outperforms the Xiaomi 17 Max (65/100 vs 40/100).

Redmi K40S: The Redmi K40S is a better fit for active users.
Xiaomi 17 Max: The Xiaomi 17 Max is a better fit for gamers and power users, mobile photography enthusiasts, those who care about battery life.
Specs comparison
Specification Redmi K40S Xiaomi 17 Max
Processor Qualcomm Snapdragon 870 5G Qualcomm Snapdragon 8 Elite Gen 5
AnTuTu 1010069 3654776
Geekbench Single 1298 3640
Geekbench Multi 3520 11033
Display 6.7" AMOLED 6.9" LTPO AMOLED
Resolution 1080x2400 2608x1200
Refresh rate 120 Hz 120 Hz
Battery 4500 mAh 8000 mAh
Charging 67W 100W
Wireless charging 0W 50W
Main camera 48 MP 200 MP
Ultrawide 8 MP 50 MP
Telephoto 0 MP 50 MP
Front camera 20 MP 32 MP
RAM 6GB / 8GB / 12GB 12GB / 16GB
Storage 128GB / 256GB 256GB / 512GB
OS Android 12, MIUI 13 Android 16
Brightness (peak) 1300 nits 3500 nits
NFC yes yes
Protection IP68
Dimensions 163.2×76.0×7.7 mm
Weight 195 g 219 g
Price $799
Camera comparison
Redmi K40S
  • Main: 48MP f/f/1.8
  • Ultrawide: 8MP
  • Front: 20MP
36
camera
Xiaomi 17 Max
  • Main: 200MP f/f/1.7
  • Ultrawide: 50MP
  • Telephoto: 50MP
  • Front: 32MP
90
camera
Display comparison
Redmi K40S
  • 6.7" AMOLED
  • Resolution: 1080x2400
  • Refresh rate: 120 Hz
79
display
Xiaomi 17 Max
  • 6.9" LTPO AMOLED
  • Resolution: 2608x1200
  • Refresh rate: 120 Hz
81
display
Battery and charging
Redmi K40S
  • 4500 mAh
  • Wired: 67W
  • No wireless charging
42
battery
Xiaomi 17 Max
  • 8000 mAh
  • Wired: 100W
  • Wireless: 50W
90
battery
Overall performance score

We compared Redmi K40S and Xiaomi 17 Max, covering their specs and all relevant benchmarks.

Redmi K40S Qualcomm Snapdragon 870 5G
54/100
1010069 AnTuTu
Xiaomi 17 Max Qualcomm Snapdragon 8 Elite Gen 5
88/100 +72.4%
3654776 AnTuTu

Xiaomi 17 Max leads Redmi K40S by 72.4% in our overall performance rating.

Benchmarks
Price and availability
Redmi K40S
Price unknown
Xiaomi 17 Max
$799
Detailed category analysis
performance

In the "performance" category, the Xiaomi 17 Max significantly outperforms the Redmi K40S (97/100 vs 61/100).

display

In the "display" category, the Xiaomi 17 Max and the Redmi K40S are nearly equal (81/100 vs 79/100).

camera

In the "camera" category, the Xiaomi 17 Max significantly outperforms the Redmi K40S (90/100 vs 36/100).

battery

In the "battery" category, the Xiaomi 17 Max significantly outperforms the Redmi K40S (90/100 vs 42/100).

portability

In the "portability" category, the Redmi K40S notably outperforms the Xiaomi 17 Max (65/100 vs 40/100).

Frequently asked questions
Which is better: the Redmi K40S or the Xiaomi 17 Max?

The Xiaomi 17 Max significantly outperforms the Redmi K40S by 34 points (88/100 vs 54/100).

What is the rating of the Redmi K40S and the Xiaomi 17 Max?

The Redmi K40S has a MobileRank rating of 54/100, the Xiaomi 17 Max — 88/100.

Which has the better camera: the Redmi K40S or the Xiaomi 17 Max?

The Xiaomi 17 Max leads on camera score (90/100 vs 36/100).

Which is more powerful: the Redmi K40S or the Xiaomi 17 Max?

The Xiaomi 17 Max leads on performance (97/100 vs 61/100).

Should you choose the Redmi K40S over the Xiaomi 17 Max?

The Redmi K40S is a better fit for active users. The Xiaomi 17 Max is a better fit for gamers and power users, mobile photography enthusiasts, those who care about battery life.