Redmi K90 vs Vivo X Fold6

The Redmi K90 (2025) runs on the Qualcomm Snapdragon 8 Elite, while the Vivo X Fold6 (2026) runs on the MediaTek Dimensity 9500; estimated prices are $401 and $1900. By overall MobileRank rating, the Vivo X Fold6 leads — 88/100 vs 76/100 (a 12-point difference). Key differences: the Redmi K90 has the bigger battery (7100 mAh vs 6900); the main camera is 50 MP vs 200 MP; the Vivo X Fold6 is faster in AnTuTu (3,485,039 vs 3,088,357); the Vivo X Fold6 is thinner (4.3mm vs 8.0mm).

The Vivo X Fold6 is noticeably better than the Redmi K90 — the overall rating gap is 12 points.
Profile comparison
Category scores
Redmi K90
Performance 92
Display 82
Camera 58
Battery 72
Portability 55
Value for money 90
Vivo X Fold6
Performance 94
Display 81
Camera 87
Battery 82
Portability 100
Value for money 80
What makes Redmi K90 better?
  • Bigger battery: 7100 vs 6900 mAh
  • Faster charging: 100W vs 80W
  • Cheaper: $401 vs $1900

  • Better display (82/100 vs 81/100)
  • Better value for money (90/100 vs 80/100)
What makes Vivo X Fold6 better?
  • Higher AnTuTu: 3485039 vs 3088357
  • Better Geekbench Single: 3228 vs 3041
  • Better Geekbench Multi: 9553 vs 9494
  • Better main camera: 200MP vs 50MP

  • Higher performance (94/100 vs 92/100)
  • Better camera (87/100 vs 58/100)
  • Longer battery life (82/100 vs 72/100)
  • Better portability (100/100 vs 55/100)
Comparison verdict

Comparing the Redmi K90 vs the Vivo X Fold6, the Vivo X Fold6 scores 12 points higher (88/100 vs 76/100). In the "camera" category, the Vivo X Fold6 leads (87/100 vs 58/100). In the "battery" category, the Vivo X Fold6 leads (82/100 vs 72/100). In the "value for money" category, the Redmi K90 leads (90/100 vs 80/100). In the "performance" category, the Vivo X Fold6 and the Redmi K90 are nearly equal (94/100 vs 92/100). In the "display" category, the Redmi K90 and the Vivo X Fold6 are nearly equal (82/100 vs 81/100). In the "camera" category, the Vivo X Fold6 notably outperforms the Redmi K90 (87/100 vs 58/100). In the "battery" category, the Vivo X Fold6 is a bit better (82/100 vs 72/100). In the "portability" category, the Vivo X Fold6 significantly outperforms the Redmi K90 (100/100 vs 55/100). In the "value for money" category, the Redmi K90 is a bit better (90/100 vs 80/100).

Redmi K90: The Redmi K90 is a better fit for gamers and power users, budget-conscious buyers.
Vivo X Fold6: The Vivo X Fold6 is a better fit for gamers and power users, mobile photography enthusiasts, those who care about battery life, budget-conscious buyers.
Specs comparison
Specification Redmi K90 Vivo X Fold6
Processor Qualcomm Snapdragon 8 Elite MediaTek Dimensity 9500
AnTuTu 3088357 3485039
Geekbench Single 3041 3228
Geekbench Multi 9494 9553
Display 6.6" AMOLED 8.0" LTPO AMOLED
Resolution 2510x1156 2480x2200
Refresh rate 120 Hz 120 Hz
Battery 7100 mAh 6900 mAh
Charging 100W 80W
Wireless charging 0W 50W
Main camera 50 MP 200 MP
Ultrawide 8 MP 50 MP
Telephoto 50 MP 50 MP
Front camera 20 MP 20 MP
RAM 12GB / 16GB 16GB
Storage 256GB / 512GB 512GB
OS Android 16 Android 15
Brightness (peak) 3500 nits 5500 nits
NFC yes yes
Protection IP68 IP68
Dimensions 157.5×75.3×8.0 mm 159.7×142.3×4.3 mm
Weight 206 g
Price $401 $1900
Camera comparison
Redmi K90
  • Main: 50MP f/f/1.9
  • Ultrawide: 8MP
  • Telephoto: 50MP
  • Front: 20MP
58
camera
Vivo X Fold6
  • Main: 200MP f/f/1.75
  • Ultrawide: 50MP
  • Telephoto: 50MP
  • Front: 20MP
87
camera
Display comparison
Redmi K90
  • 6.6" AMOLED
  • Resolution: 2510x1156
  • Refresh rate: 120 Hz
82
display
Vivo X Fold6
  • 8.0" LTPO AMOLED
  • Resolution: 2480x2200
  • Refresh rate: 120 Hz
81
display
Battery and charging
Redmi K90
  • 7100 mAh
  • Wired: 100W
  • No wireless charging
72
battery
Vivo X Fold6
  • 6900 mAh
  • Wired: 80W
  • Wireless: 50W
82
battery
Overall performance score

We compared Redmi K90 and Vivo X Fold6, covering their specs and all relevant benchmarks.

Redmi K90 Qualcomm Snapdragon 8 Elite
76/100
3088357 AnTuTu
Vivo X Fold6 MediaTek Dimensity 9500
88/100 +11.4%
3485039 AnTuTu

Vivo X Fold6 leads Redmi K90 by 11.4% in our overall performance rating.

Benchmarks
Price and availability
Redmi K90
$401
Vivo X Fold6
$1900

Price difference: $1499. Redmi K90 is cheaper by $1499.

Detailed category analysis
performance

In the "performance" category, the Vivo X Fold6 and the Redmi K90 are nearly equal (94/100 vs 92/100).

display

In the "display" category, the Redmi K90 and the Vivo X Fold6 are nearly equal (82/100 vs 81/100).

camera

In the "camera" category, the Vivo X Fold6 notably outperforms the Redmi K90 (87/100 vs 58/100).

battery

In the "battery" category, the Vivo X Fold6 is a bit better (82/100 vs 72/100).

portability

In the "portability" category, the Vivo X Fold6 significantly outperforms the Redmi K90 (100/100 vs 55/100).

value for money

In the "value for money" category, the Redmi K90 is a bit better (90/100 vs 80/100).

Frequently asked questions
Which is better: the Redmi K90 or the Vivo X Fold6?

The Vivo X Fold6 is noticeably better than the Redmi K90 — the overall rating gap is 12 points.

What is the rating of the Redmi K90 and the Vivo X Fold6?

The Redmi K90 has a MobileRank rating of 76/100, the Vivo X Fold6 — 88/100.

Which has the better camera: the Redmi K90 or the Vivo X Fold6?

The Vivo X Fold6 leads on camera score (87/100 vs 58/100).

Should you choose the Redmi K90 over the Vivo X Fold6?

The Redmi K90 is a better fit for gamers and power users, budget-conscious buyers. The Vivo X Fold6 is a better fit for gamers and power users, mobile photography enthusiasts, those who care about battery life, budget-conscious buyers.