Redmi K90 vs Samsung Galaxy Z Flip

The Redmi K90 (2025) runs on the Qualcomm Snapdragon 8 Elite, while the Samsung Galaxy Z Flip (2020) runs on the Qualcomm Snapdragon 855+. By overall MobileRank rating, the Redmi K90 leads — 76/100 vs 44/100 (a 32-point difference). Key differences: the Redmi K90 has the bigger battery (7100 mAh vs 3300); the main camera is 50 MP vs 12 MP; the Redmi K90 is faster in AnTuTu (3,077,585 vs 859,084); the Samsung Galaxy Z Flip is noticeably lighter (183g vs 206g).

The Redmi K90 significantly outperforms the Samsung Galaxy Z Flip by 32 points (76/100 vs 44/100).

Profile comparison

Category scores

Redmi K90

Performance 91
Display 82
Camera 58
Battery 72
Portability 55
Value for money 80

Samsung Galaxy Z Flip

Performance 55
Display 85
Camera 16
Battery 15
Portability 77
Value for money —

What makes Redmi K90 better?

  • Higher AnTuTu: 3077585 vs 859084
  • Better Geekbench Single: 3013 vs 1031
  • Better Geekbench Multi: 9287 vs 2864
  • Bigger battery: 7100 vs 3300 mAh
  • Faster charging: 100W vs 15W
  • Better main camera: 50MP vs 12MP

  • Higher performance (91/100 vs 55/100)
  • Better camera (58/100 vs 16/100)
  • Longer battery life (72/100 vs 15/100)

What makes Samsung Galaxy Z Flip better?

  • Lighter: 183g vs 206g

  • Better display (85/100 vs 82/100)
  • Better portability (77/100 vs 55/100)

Comparison verdict

Comparing the Redmi K90 vs the Samsung Galaxy Z Flip, the Redmi K90 scores 32 points higher (76/100 vs 44/100). In the "performance" category, the Redmi K90 leads (91/100 vs 55/100). In the "camera" category, the Redmi K90 leads (58/100 vs 16/100). In the "battery" category, the Redmi K90 leads (72/100 vs 15/100). In the "performance" category, the Redmi K90 significantly outperforms the Samsung Galaxy Z Flip (91/100 vs 55/100). In the "display" category, the Samsung Galaxy Z Flip and the Redmi K90 are nearly equal (85/100 vs 82/100). In the "camera" category, the Redmi K90 significantly outperforms the Samsung Galaxy Z Flip (58/100 vs 16/100). In the "battery" category, the Redmi K90 significantly outperforms the Samsung Galaxy Z Flip (72/100 vs 15/100). In the "portability" category, the Samsung Galaxy Z Flip notably outperforms the Redmi K90 (77/100 vs 55/100).

Redmi K90: The Redmi K90 is a better fit for gamers and power users, budget-conscious buyers.

Specs comparison

Specification Redmi K90 Samsung Galaxy Z Flip
Processor Qualcomm Snapdragon 8 Elite Qualcomm Snapdragon 855+
AnTuTu 3077585 859084
Geekbench Single 3013 1031
Geekbench Multi 9287 2864
Display 6.6" AMOLED 6.7" Foldable Dynamic AMOLED
Resolution 2510x1156 1080x2636
Refresh rate 120 Hz —
Battery 7100 mAh 3300 mAh
Charging 100W 15W
Main camera 50 MP 12 MP
Ultrawide 8 MP 12 MP
Telephoto 50 MP 0 MP
Front camera 20 MP 10 MP
RAM 12GB / 16GB 8GB
Storage 256GB / 512GB 256GB
OS Android 16 Android 10.0; One UI 2
Brightness (peak) 3500 nits —
NFC yes yes
Protection IP68 —
Dimensions 157.5×75.3×8.0 mm 167.3×73.6×7.2 mm
Weight 206 g 183 g
Launch price $401 —

Camera comparison

Redmi K90

  • Main: 50MP f/1.9
  • Ultrawide: 8MP
  • Telephoto: 50MP
  • Front: 20MP
58
camera

Samsung Galaxy Z Flip

  • Main: 12MP f/1.8
  • Ultrawide: 12MP
  • Front: 10MP
16
camera

Display comparison

Redmi K90

  • 6.6" AMOLED
  • Resolution: 2510x1156
  • Refresh rate: 120 Hz
82
display

Samsung Galaxy Z Flip

  • 6.7" Foldable Dynamic AMOLED
  • Resolution: 1080x2636
  • Refresh rate: —
85
display

Battery and charging

Redmi K90

  • 7100 mAh
  • Wired: 100W
  • No wireless charging
72
battery

Samsung Galaxy Z Flip

  • 3300 mAh
  • Wired: 15W
  • Wireless: supported, wattage unknown
15
battery

Overall performance score

We compared Redmi K90 and Samsung Galaxy Z Flip, covering their specs and all relevant benchmarks.

Redmi K90 Qualcomm Snapdragon 8 Elite
76/100
3077585 AnTuTu
Samsung Galaxy Z Flip Qualcomm Snapdragon 855+
44/100 -258.2%
859084 AnTuTu

Redmi K90 leads Samsung Galaxy Z Flip by 258.2% in our overall performance rating.

Benchmarks

Launch prices and where to check today's

Redmi K90

$401

Samsung Galaxy Z Flip

Price unknown

Detailed category analysis

performance

In the "performance" category, the Redmi K90 significantly outperforms the Samsung Galaxy Z Flip (91/100 vs 55/100).

display

In the "display" category, the Samsung Galaxy Z Flip and the Redmi K90 are nearly equal (85/100 vs 82/100).

camera

In the "camera" category, the Redmi K90 significantly outperforms the Samsung Galaxy Z Flip (58/100 vs 16/100).

battery

In the "battery" category, the Redmi K90 significantly outperforms the Samsung Galaxy Z Flip (72/100 vs 15/100).

portability

In the "portability" category, the Samsung Galaxy Z Flip notably outperforms the Redmi K90 (77/100 vs 55/100).

Frequently asked questions

Which is better: the Redmi K90 or the Samsung Galaxy Z Flip?

The Redmi K90 significantly outperforms the Samsung Galaxy Z Flip by 32 points (76/100 vs 44/100).

What is the rating of the Redmi K90 and the Samsung Galaxy Z Flip?

The Redmi K90 has a MobileRank rating of 76/100, the Samsung Galaxy Z Flip — 44/100.

Which has the better camera: the Redmi K90 or the Samsung Galaxy Z Flip?

The Redmi K90 leads on camera score (58/100 vs 16/100).

Which is more powerful: the Redmi K90 or the Samsung Galaxy Z Flip?

The Redmi K90 leads on performance (91/100 vs 55/100).

Should you choose the Redmi K90 over the Samsung Galaxy Z Flip?

The Redmi K90 is a better fit for gamers and power users, budget-conscious buyers.