Motorola Signature vs Redmi K90 Max

The Motorola Signature (2026) runs on the Qualcomm Snapdragon 8 Gen 5, while the Redmi K90 Max (2026) runs on the MediaTek Dimensity 9500; launch prices were $699 and $504. By overall MobileRank rating, the Motorola Signature leads — 86/100 vs 75/100 (a 11-point difference). Key differences: the Redmi K90 Max has the bigger battery (8550 mAh vs 5200); the Redmi K90 Max is faster in AnTuTu (3,760,662 vs 3,057,215); the Motorola Signature is noticeably lighter (186g vs 227g).

The Motorola Signature is noticeably better than the Redmi K90 Max — the overall rating gap is 11 points.

Profile comparison

Category scores

Motorola Signature

Performance 90
Display 84
Camera 91
Battery 77
Portability 78
Value for money 86

Redmi K90 Max

Performance 96
Display 94
Camera 37
Battery 78
Portability 41
Value for money 72

What makes Motorola Signature better?

  • Lighter: 186g vs 227g

  • Better camera (91/100 vs 37/100)
  • Better portability (78/100 vs 41/100)

What makes Redmi K90 Max better?

  • Higher AnTuTu: 3760662 vs 3057215
  • Better Geekbench Single: 3293 vs 2833
  • Better Geekbench Multi: 10243 vs 9119
  • Bigger battery: 8550 vs 5200 mAh
  • Faster charging: 100W vs 90W
  • Higher refresh rate: 165Hz vs 120Hz
  • Cheaper at launch: $504 vs $699

  • Higher performance (96/100 vs 90/100)
  • Longer battery life (78/100 vs 77/100)
  • Better display (94/100 vs 84/100)

Comparison verdict

Comparing the Motorola Signature vs the Redmi K90 Max, the Motorola Signature scores 11 points higher (86/100 vs 75/100). In the "camera" category, the Motorola Signature leads (91/100 vs 37/100). Value score: Motorola Signature — 86/100, Redmi K90 Max — 72/100; it shows how far a model sits above or below the usual level for its price, and is not part of the overall rating. In the "performance" category, the Redmi K90 Max is a bit better (96/100 vs 90/100). In the "display" category, the Redmi K90 Max is a bit better (94/100 vs 84/100). In the "camera" category, the Motorola Signature significantly outperforms the Redmi K90 Max (91/100 vs 37/100). In the "battery" category, the Redmi K90 Max and the Motorola Signature are nearly equal (78/100 vs 77/100). In the "portability" category, the Motorola Signature significantly outperforms the Redmi K90 Max (78/100 vs 41/100).

Motorola Signature: The Motorola Signature is a better fit for gamers and power users, mobile photography enthusiasts, those who care about battery life, budget-conscious buyers.
Redmi K90 Max: The Redmi K90 Max is a better fit for gamers and power users, those who care about battery life.

Specs comparison

Specification Motorola Signature Redmi K90 Max
Processor Qualcomm Snapdragon 8 Gen 5 MediaTek Dimensity 9500
AnTuTu 3057215 3760662
Geekbench Single 2833 3293
Geekbench Multi 9119 10243
Display 6.8" AMOLED 6.8" AMOLED
Resolution 1264x2780 2772x1280
Refresh rate 120 Hz 165 Hz
Battery 5200 mAh 8550 mAh
Charging 90W 100W
Wireless charging 50W 0W
DXOMark (camera) 164 —
Main camera 50 MP 50 MP
Ultrawide 13 MP 8 MP
Telephoto 50 MP 0 MP
Front camera 32 MP 20 MP
RAM 12GB / 16GB 12GB / 16GB
Storage 256GB / 512GB / 1TB 256GB / 512GB / 1TB
OS Android 16 Android 16
Brightness (peak) 6200 nits 3500 nits
NFC yes yes
Protection IP68 IP66
Dimensions 162.1×76.4×7.0 mm 162.9×77.9×8.1 mm
Weight 186 g 227 g
Launch price $699 $504

Camera comparison

Motorola Signature

  • Main: 50MP f/1.8
  • Ultrawide: 13MP
  • Telephoto: 50MP
  • Front: 32MP
91
camera

Redmi K90 Max

  • Main: 50MP f/1.68
  • Ultrawide: 8MP
  • Front: 20MP
37
camera

Display comparison

Motorola Signature

  • 6.8" AMOLED
  • Resolution: 1264x2780
  • Refresh rate: 120 Hz
84
display

Redmi K90 Max

  • 6.8" AMOLED
  • Resolution: 2772x1280
  • Refresh rate: 165 Hz
94
display

Battery and charging

Motorola Signature

  • 5200 mAh
  • Wired: 90W
  • Wireless: 50W
77
battery

Redmi K90 Max

  • 8550 mAh
  • Wired: 100W
  • No wireless charging
78
battery

Overall performance score

We compared Motorola Signature and Redmi K90 Max, covering their specs and all relevant benchmarks.

Motorola Signature Qualcomm Snapdragon 8 Gen 5
86/100
3057215 AnTuTu
Redmi K90 Max MediaTek Dimensity 9500
75/100 +18.7%
3760662 AnTuTu

Redmi K90 Max leads Motorola Signature by 18.7% in our overall performance rating.

Benchmarks

Launch prices and where to check today's

Motorola Signature

$699

Redmi K90 Max

$504

Launch price difference: $195. Redmi K90 Max was $195 cheaper at launch.

Detailed category analysis

performance

In the "performance" category, the Redmi K90 Max is a bit better (96/100 vs 90/100).

display

In the "display" category, the Redmi K90 Max is a bit better (94/100 vs 84/100).

camera

In the "camera" category, the Motorola Signature significantly outperforms the Redmi K90 Max (91/100 vs 37/100).

battery

In the "battery" category, the Redmi K90 Max and the Motorola Signature are nearly equal (78/100 vs 77/100).

portability

In the "portability" category, the Motorola Signature significantly outperforms the Redmi K90 Max (78/100 vs 41/100).

Frequently asked questions

Which is better: the Motorola Signature or the Redmi K90 Max?

The Motorola Signature is noticeably better than the Redmi K90 Max — the overall rating gap is 11 points.

What is the rating of the Motorola Signature and the Redmi K90 Max?

The Motorola Signature has a MobileRank rating of 86/100, the Redmi K90 Max — 75/100.

Which has the better camera: the Motorola Signature or the Redmi K90 Max?

The Motorola Signature leads on camera score (91/100 vs 37/100).

Which is more powerful: the Motorola Signature or the Redmi K90 Max?

The Redmi K90 Max leads on performance (96/100 vs 90/100).

Should you choose the Motorola Signature over the Redmi K90 Max?

The Motorola Signature is a better fit for gamers and power users, mobile photography enthusiasts, those who care about battery life, budget-conscious buyers. The Redmi K90 Max is a better fit for gamers and power users, those who care about battery life.