Redmi K90 Max vs Vivo T4 Ultra

The Redmi K90 Max (2026) runs on the MediaTek Dimensity 9500, while the Vivo T4 Ultra (2025) runs on the MediaTek Dimensity 9300+; estimated prices are $504 and $449. By overall MobileRank rating, the Redmi K90 Max leads — 67/100 vs 59/100 (a 8-point difference). Key differences: the Redmi K90 Max has the bigger battery (8550 mAh vs 5500); the Redmi K90 Max is faster in AnTuTu (3,803,420 vs 2,286,808); the Vivo T4 Ultra is noticeably lighter (192g vs 227g).

The Redmi K90 Max edges out the Vivo T4 Ultra by just 8 points — the two devices are very close in overall level.
Profile comparison
Category scores
Redmi K90 Max
Performance 82
Display 100
Camera 32
Battery 77
Design 16
Value for money 75
Vivo T4 Ultra
Performance 45
Display 100
Camera 58
Battery 60
Design 60
Value for money 79
What makes Redmi K90 Max better?
  • Higher AnTuTu: 3803420 vs 2286808
  • Better Geekbench Single: 3228 vs 2250
  • Better Geekbench Multi: 9553 vs 7315
  • Bigger battery: 8550 vs 5500 mAh
  • Faster charging: 100W vs 90W
  • Higher refresh rate: 165Hz vs 120Hz

  • Higher performance (82/100 vs 45/100)
  • Longer battery life (77/100 vs 60/100)
What makes Vivo T4 Ultra better?
  • Lighter: 192g vs 227g
  • Cheaper: $449 vs $504

  • Better camera (58/100 vs 32/100)
  • Better design/ergonomics (60/100 vs 16/100)
  • Better value for money (79/100 vs 75/100)
Comparison verdict

Comparing the Redmi K90 Max vs the Vivo T4 Ultra, the Redmi K90 Max scores 8 points higher (67/100 vs 59/100). In the "performance" category, the Redmi K90 Max leads (82/100 vs 45/100). In the "camera" category, the Vivo T4 Ultra leads (58/100 vs 32/100). In the "battery" category, the Redmi K90 Max leads (77/100 vs 60/100). In the "performance" category, the Redmi K90 Max significantly outperforms the Vivo T4 Ultra (82/100 vs 45/100). In the "display" category, both devices are on the same level — 100/100. In the "camera" category, the Vivo T4 Ultra notably outperforms the Redmi K90 Max (58/100 vs 32/100). In the "battery" category, the Redmi K90 Max notably outperforms the Vivo T4 Ultra (77/100 vs 60/100). In the "design" category, the Vivo T4 Ultra significantly outperforms the Redmi K90 Max (60/100 vs 16/100). In the "value for money" category, the Vivo T4 Ultra and the Redmi K90 Max are nearly equal (79/100 vs 75/100).

Redmi K90 Max: The Redmi K90 Max is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.
Vivo T4 Ultra: The Vivo T4 Ultra is a better fit for budget-conscious buyers.
Specs comparison
Specification Redmi K90 Max Vivo T4 Ultra
Processor MediaTek Dimensity 9500 MediaTek Dimensity 9300+
AnTuTu 3803420 2286808
Geekbench Single 3228 2250
Geekbench Multi 9553 7315
Display 6.8" AMOLED 6.7" AMOLED
Resolution 2772x1280 2800x1260
Refresh rate 165 Hz 120 Hz
Battery 8550 mAh 5500 mAh
Charging 100W 90W
Main camera 50 MP 50 MP
Ultrawide 8 MP 8 MP
Telephoto 0 MP 50 MP
Front camera 20 MP 32 MP
RAM 12GB / 16GB 8GB / 12GB
Storage 256GB / 512GB / 1TB 256GB / 512GB
OS Android 16 Android 15
Brightness (peak) 3500 nits
NFC yes
Protection IP66
Dimensions 162.9×77.9×8.1 mm
Weight 227 g 192 g
Price $504 $449
Camera comparison
Redmi K90 Max
  • Main: 50MP f/f/1.68
  • Ultrawide: 8MP
  • Front: 20MP
32
camera
Vivo T4 Ultra
  • Main: 50MP f/f/1.88
  • Ultrawide: 8MP
  • Telephoto: 50MP
  • Front: 32MP
58
camera
Display comparison
Redmi K90 Max
  • 6.8" AMOLED
  • Resolution: 2772x1280
  • Refresh rate: 165 Hz
100
display
Vivo T4 Ultra
  • 6.7" AMOLED
  • Resolution: 2800x1260
  • Refresh rate: 120 Hz
100
display
Battery and charging
Redmi K90 Max
  • 8550 mAh
  • Wired: 100W
  • No wireless charging
77
battery
Vivo T4 Ultra
  • 5500 mAh
  • Wired: 90W
  • No wireless charging
60
battery
Overall performance score

We compared Redmi K90 Max and Vivo T4 Ultra, covering their specs and all relevant benchmarks.

Redmi K90 Max MediaTek Dimensity 9500
67/100
3803420 AnTuTu
Vivo T4 Ultra MediaTek Dimensity 9300+
59/100 -66.3%
2286808 AnTuTu

Redmi K90 Max leads Vivo T4 Ultra by 66.3% in our overall performance rating.

Benchmarks
Price and availability
Redmi K90 Max
$504
Vivo T4 Ultra
$449

Price difference: $55. Vivo T4 Ultra is cheaper by $55.

Detailed category analysis
performance

In the "performance" category, the Redmi K90 Max significantly outperforms the Vivo T4 Ultra (82/100 vs 45/100).

display

In the "display" category, both devices are on the same level — 100/100.

camera

In the "camera" category, the Vivo T4 Ultra notably outperforms the Redmi K90 Max (58/100 vs 32/100).

battery

In the "battery" category, the Redmi K90 Max notably outperforms the Vivo T4 Ultra (77/100 vs 60/100).

design

In the "design" category, the Vivo T4 Ultra significantly outperforms the Redmi K90 Max (60/100 vs 16/100).

value for money

In the "value for money" category, the Vivo T4 Ultra and the Redmi K90 Max are nearly equal (79/100 vs 75/100).

Frequently asked questions
Which is better: the Redmi K90 Max or the Vivo T4 Ultra?

The Redmi K90 Max edges out the Vivo T4 Ultra by just 8 points — the two devices are very close in overall level.

What is the rating of the Redmi K90 Max and the Vivo T4 Ultra?

The Redmi K90 Max has a MobileRank rating of 67/100, the Vivo T4 Ultra — 59/100.

Which has the better camera: the Redmi K90 Max or the Vivo T4 Ultra?

The Vivo T4 Ultra leads on camera score (58/100 vs 32/100).

Which is more powerful: the Redmi K90 Max or the Vivo T4 Ultra?

The Redmi K90 Max leads on performance (82/100 vs 45/100).

Should you choose the Redmi K90 Max over the Vivo T4 Ultra?

The Redmi K90 Max is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers. The Vivo T4 Ultra is a better fit for budget-conscious buyers.