Redmi K90 Ultra vs Vivo iQOO Z11

The Redmi K90 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite, while the Vivo iQOO Z11 (2026) runs on the MediaTek Dimensity 8500; launch prices were $420 and $290. By overall MobileRank rating, the Redmi K90 Ultra leads — 73/100 vs 66/100 (a 7-point difference). Key differences: the Vivo iQOO Z11 has the bigger battery (9020 mAh vs 8550); the Redmi K90 Ultra is faster in AnTuTu (3,119,308 vs 2,612,264).

The Redmi K90 Ultra edges out the Vivo iQOO Z11 by just 7 points — the two devices are very close in overall level.
Profile comparison
Category scores
Redmi K90 Ultra
Performance 92
Display 94
Camera 37
Battery 78
Portability 40
Value for money 82
Vivo iQOO Z11
Performance 79
Display 89
Camera 32
Battery 78
Portability 40
Value for money 76
What makes Redmi K90 Ultra better?
  • Higher AnTuTu: 3119308 vs 2612264
  • Better Geekbench Single: 3041 vs 1553
  • Better Geekbench Multi: 9494 vs 6403
  • Faster charging: 100W vs 90W
  • Lighter: 227g vs 228g

  • Higher performance (92/100 vs 79/100)
  • Better camera (37/100 vs 32/100)
  • Better display (94/100 vs 89/100)
What makes Vivo iQOO Z11 better?
  • Bigger battery: 9020 vs 8550 mAh
  • Cheaper at launch: $290 vs $420

  • Overall rating 66/100
Comparison verdict

Comparing the Redmi K90 Ultra vs the Vivo iQOO Z11, the Redmi K90 Ultra scores 7 points higher (73/100 vs 66/100). In the "performance" category, the Redmi K90 Ultra leads (92/100 vs 79/100). Value score: Redmi K90 Ultra — 82/100, Vivo iQOO Z11 — 76/100; it is biased by price level, so it should not be compared directly between devices at different prices. In the "performance" category, the Redmi K90 Ultra is a bit better (92/100 vs 79/100). In the "display" category, the Redmi K90 Ultra is a bit better (94/100 vs 89/100). In the "camera" category, the Redmi K90 Ultra is a bit better (37/100 vs 32/100). In the "battery" category, both devices are on the same level — 78/100. In the "portability" category, both devices are on the same level — 40/100.

Redmi K90 Ultra: The Redmi K90 Ultra is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.
Vivo iQOO Z11: The Vivo iQOO Z11 is a better fit for active users, those who care about battery life, budget-conscious buyers.
Specs comparison
Specification Redmi K90 Ultra Vivo iQOO Z11
Processor Qualcomm Snapdragon 8 Elite MediaTek Dimensity 8500
AnTuTu 3119308 2612264
Geekbench Single 3041 1553
Geekbench Multi 9494 6403
Display 6.8" AMOLED 6.8" AMOLED
Resolution 1280x2772 1080x2400
Refresh rate 165 Hz 165 Hz
Battery 8550 mAh 9020 mAh
Charging 100W 90W
Main camera 50 MP 50 MP
Ultrawide 8 MP 0 MP
Front camera 20 MP 16 MP
RAM 12GB / 16GB 8GB / 12GB / 16GB
Storage 256GB / 512GB 256GB / 512GB
OS Android 16 Android 16
Brightness (peak) 3500 nits 5000 nits
NFC yes yes
Protection IP68/IP69 IP68
Dimensions 162.9×77.9×8.2 mm 163.7×76.2×8.3 mm
Weight 227 g 228 g
Launch price $420 $290
Camera comparison
Redmi K90 Ultra
  • Main: 50MP f/1.7
  • Ultrawide: 8MP
  • Front: 20MP
37
camera
Vivo iQOO Z11
  • Main: 50MP f/f/1.8
  • Front: 16MP
32
camera
Display comparison
Redmi K90 Ultra
  • 6.8" AMOLED
  • Resolution: 1280x2772
  • Refresh rate: 165 Hz
94
display
Vivo iQOO Z11
  • 6.8" AMOLED
  • Resolution: 1080x2400
  • Refresh rate: 165 Hz
89
display
Battery and charging
Redmi K90 Ultra
  • 8550 mAh
  • Wired: 100W
  • No wireless charging
78
battery
Vivo iQOO Z11
  • 9020 mAh
  • Wired: 90W
  • No wireless charging
78
battery
Overall performance score

We compared Redmi K90 Ultra and Vivo iQOO Z11, covering their specs and all relevant benchmarks.

Redmi K90 Ultra Qualcomm Snapdragon 8 Elite
73/100
3119308 AnTuTu
Vivo iQOO Z11 MediaTek Dimensity 8500
66/100 -19.4%
2612264 AnTuTu

Redmi K90 Ultra leads Vivo iQOO Z11 by 19.4% in our overall performance rating.

Benchmarks
Launch prices and where to check today's
Redmi K90 Ultra
$420
Vivo iQOO Z11
$290

Launch price difference: $130. Vivo iQOO Z11 was $130 cheaper at launch.

Detailed category analysis
performance

In the "performance" category, the Redmi K90 Ultra is a bit better (92/100 vs 79/100).

display

In the "display" category, the Redmi K90 Ultra is a bit better (94/100 vs 89/100).

camera

In the "camera" category, the Redmi K90 Ultra is a bit better (37/100 vs 32/100).

battery

In the "battery" category, both devices are on the same level — 78/100.

portability

In the "portability" category, both devices are on the same level — 40/100.

Frequently asked questions
Which is better: the Redmi K90 Ultra or the Vivo iQOO Z11?

The Redmi K90 Ultra edges out the Vivo iQOO Z11 by just 7 points — the two devices are very close in overall level.

What is the rating of the Redmi K90 Ultra and the Vivo iQOO Z11?

The Redmi K90 Ultra has a MobileRank rating of 73/100, the Vivo iQOO Z11 — 66/100.

Which has the better camera: the Redmi K90 Ultra or the Vivo iQOO Z11?

The Redmi K90 Ultra leads on camera score (37/100 vs 32/100).

Which is more powerful: the Redmi K90 Ultra or the Vivo iQOO Z11?

The Redmi K90 Ultra leads on performance (92/100 vs 79/100).

Should you choose the Redmi K90 Ultra over the Vivo iQOO Z11?

The Redmi K90 Ultra is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers. The Vivo iQOO Z11 is a better fit for active users, those who care about battery life, budget-conscious buyers.