Redmi K100 vs Vivo T4 Ultra

The Redmi K100 (2026) runs on the Qualcomm Snapdragon 8 Elite, while the Vivo T4 Ultra (2025) runs on the MediaTek Dimensity 9300+. By overall MobileRank rating, the Vivo T4 Ultra leads — 75/100 vs 73/100 (a 2-point difference). Key differences: the Redmi K100 has the bigger battery (10000 mAh vs 5500); the Redmi K100 is faster in AnTuTu (3,298,726 vs 2,286,808); the Vivo T4 Ultra is noticeably lighter (192g vs 234g).

The Vivo T4 Ultra edges out the Redmi K100 by just 2 points — the two devices are very close in overall level.

Profile comparison

Category scores

Redmi K100

Performance 92
Display 94
Camera 37
Battery 80
Portability 25
Value for money —

Vivo T4 Ultra

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

What makes Redmi K100 better?

  • Higher AnTuTu: 3298726 vs 2286808
  • Better Geekbench Single: 3013 vs 2249
  • Better Geekbench Multi: 9287 vs 7352
  • Bigger battery: 10000 vs 5500 mAh
  • Faster charging: 100W vs 90W
  • Higher refresh rate: 165Hz vs 120Hz

  • Higher performance (92/100 vs 83/100)
  • Longer battery life (80/100 vs 75/100)
  • Better display (94/100 vs 85/100)

What makes Vivo T4 Ultra better?

  • Lighter: 192g vs 234g

  • Better camera (61/100 vs 37/100)
  • Better portability (68/100 vs 25/100)

Comparison verdict

Comparing the Redmi K100 vs the Vivo T4 Ultra, the Vivo T4 Ultra scores 2 points higher (75/100 vs 73/100). In the "camera" category, the Vivo T4 Ultra leads (61/100 vs 37/100). In the "performance" category, the Redmi K100 is a bit better (92/100 vs 83/100). In the "display" category, the Redmi K100 is a bit better (94/100 vs 85/100). In the "camera" category, the Vivo T4 Ultra notably outperforms the Redmi K100 (61/100 vs 37/100). In the "battery" category, the Redmi K100 is a bit better (80/100 vs 75/100). In the "portability" category, the Vivo T4 Ultra significantly outperforms the Redmi K100 (68/100 vs 25/100).

Redmi K100: The Redmi K100 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 K100 Vivo T4 Ultra
Processor Qualcomm Snapdragon 8 Elite MediaTek Dimensity 9300+
AnTuTu 3298726 2286808
Geekbench Single 3013 2249
Geekbench Multi 9287 7352
Display 6.8" AMOLED 6.7" AMOLED
Resolution 1280x2772 2800x1260
Refresh rate 165 Hz 120 Hz
Battery 10000 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 256GB / 512GB
OS Android 17 Android 15
Brightness (peak) 3500 nits —
NFC yes —
Protection IP68 —
Weight 234 g 192 g
Launch price — $449

Camera comparison

Redmi K100

  • Main: 50MP f/1.7
  • 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 K100

  • 6.8" AMOLED
  • Resolution: 1280x2772
  • Refresh rate: 165 Hz
94
display

Vivo T4 Ultra

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

Battery and charging

Redmi K100

  • 10000 mAh
  • Wired: 100W
  • No wireless charging
80
battery

Vivo T4 Ultra

  • 5500 mAh
  • Wired: 90W
  • Wireless charging: no data
75
battery

Overall performance score

We compared Redmi K100 and Vivo T4 Ultra, covering their specs and all relevant benchmarks.

Redmi K100 Qualcomm Snapdragon 8 Elite
73/100
3298726 AnTuTu
Vivo T4 Ultra MediaTek Dimensity 9300+
75/100 -44.3%
2286808 AnTuTu

Redmi K100 leads Vivo T4 Ultra by 44.3% in our overall performance rating.

Benchmarks

Launch prices and where to check today's

Redmi K100

Price unknown

Vivo T4 Ultra

$449

Detailed category analysis

performance

In the "performance" category, the Redmi K100 is a bit better (92/100 vs 83/100).

display

In the "display" category, the Redmi K100 is a bit better (94/100 vs 85/100).

camera

In the "camera" category, the Vivo T4 Ultra notably outperforms the Redmi K100 (61/100 vs 37/100).

battery

In the "battery" category, the Redmi K100 is a bit better (80/100 vs 75/100).

portability

In the "portability" category, the Vivo T4 Ultra significantly outperforms the Redmi K100 (68/100 vs 25/100).

Frequently asked questions

Which is better: the Redmi K100 or the Vivo T4 Ultra?

The Vivo T4 Ultra edges out the Redmi K100 by just 2 points — the two devices are very close in overall level.

What is the rating of the Redmi K100 and the Vivo T4 Ultra?

The Redmi K100 has a MobileRank rating of 73/100, the Vivo T4 Ultra — 75/100.

Which has the better camera: the Redmi K100 or the Vivo T4 Ultra?

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

Which is more powerful: the Redmi K100 or the Vivo T4 Ultra?

The Redmi K100 leads on performance (92/100 vs 83/100).

Should you choose the Redmi K100 over the Vivo T4 Ultra?

The Redmi K100 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.