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+; launch prices were $504 and $449. Both devices score the same overall rating of 75/100. Key differences: the Redmi K90 Max has the bigger battery (8550 mAh vs 5500); the Redmi K90 Max is faster in AnTuTu (3,760,662 vs 2,286,808); the Vivo T4 Ultra is noticeably lighter (192g vs 227g).

Both devices scored the same rating of 75/100 — the choice comes down to your priorities.

Profile comparison

Category scores

Redmi K90 Max

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

Vivo T4 Ultra

Performance 83
Display 85
Camera 61
Battery 75
Portability 68
Value for money 74

What makes Redmi K90 Max better?

  • Higher AnTuTu: 3760662 vs 2286808
  • Better Geekbench Single: 3293 vs 2249
  • Better Geekbench Multi: 10243 vs 7352
  • Bigger battery: 8550 vs 5500 mAh
  • Faster charging: 100W vs 90W
  • Higher refresh rate: 165Hz vs 120Hz

  • Higher performance (96/100 vs 83/100)
  • Longer battery life (78/100 vs 75/100)
  • Better display (94/100 vs 85/100)

What makes Vivo T4 Ultra better?

  • Lighter: 192g vs 227g
  • Cheaper at launch: $449 vs $504

  • Better camera (61/100 vs 37/100)
  • Better portability (68/100 vs 41/100)

Comparison verdict

The Redmi K90 Max and the Vivo T4 Ultra received the same MobileRank rating — 75/100. In the "performance" category, the Redmi K90 Max leads (96/100 vs 83/100). In the "camera" category, the Vivo T4 Ultra leads (61/100 vs 37/100). Value score: Redmi K90 Max — 72/100, Vivo T4 Ultra — 74/100; 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 83/100). In the "display" category, the Redmi K90 Max is a bit better (94/100 vs 85/100). In the "camera" category, the Vivo T4 Ultra notably outperforms the Redmi K90 Max (61/100 vs 37/100). In the "battery" category, the Redmi K90 Max and the Vivo T4 Ultra are nearly equal (78/100 vs 75/100). In the "portability" category, the Vivo T4 Ultra notably outperforms the Redmi K90 Max (68/100 vs 41/100).

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

Specs comparison

Specification Redmi K90 Max Vivo T4 Ultra
Processor MediaTek Dimensity 9500 MediaTek Dimensity 9300+
AnTuTu 3760662 2286808
Geekbench Single 3293 2249
Geekbench Multi 10243 7352
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
Launch price $504 $449

Camera comparison

Redmi K90 Max

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

Vivo T4 Ultra

  • Main: 50MP f/1.88
  • Ultrawide: 8MP
  • Telephoto: 50MP
  • Front: 32MP
61
camera

Display comparison

Redmi K90 Max

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

Vivo T4 Ultra

  • 6.7" AMOLED
  • Resolution: 2800x1260
  • Refresh rate: 120 Hz
85
display

Battery and charging

Redmi K90 Max

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

Vivo T4 Ultra

  • 5500 mAh
  • Wired: 90W
  • Wireless charging: no data
75
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
75/100
3760662 AnTuTu
Vivo T4 Ultra MediaTek Dimensity 9300+
75/100 -64.5%
2286808 AnTuTu

Redmi K90 Max leads Vivo T4 Ultra by 64.5% in our overall performance rating.

Benchmarks

Launch prices and where to check today's

Redmi K90 Max

$504

Vivo T4 Ultra

$449

Launch price difference: $55. Vivo T4 Ultra was $55 cheaper at launch.

Detailed category analysis

performance

In the "performance" category, the Redmi K90 Max is a bit better (96/100 vs 83/100).

display

In the "display" category, the Redmi K90 Max is a bit better (94/100 vs 85/100).

camera

In the "camera" category, the Vivo T4 Ultra notably outperforms the Redmi K90 Max (61/100 vs 37/100).

battery

In the "battery" category, the Redmi K90 Max and the Vivo T4 Ultra are nearly equal (78/100 vs 75/100).

portability

In the "portability" category, the Vivo T4 Ultra notably outperforms the Redmi K90 Max (68/100 vs 41/100).

Frequently asked questions

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

Both devices scored 75/100. The choice depends on your priorities: if performance matters more — go with the Redmi K90 Max (96/100 vs 83/100).

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

The Redmi K90 Max has a MobileRank rating of 75/100, the Vivo T4 Ultra — 75/100.

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

The Vivo T4 Ultra leads on camera score (61/100 vs 37/100).

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

The Redmi K90 Max leads on performance (96/100 vs 83/100).

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. The Vivo T4 Ultra is a better fit for gamers and power users, those who care about battery life.