Vivo iQOO Z11 vs Xiaomi 15 Ultra

The Vivo iQOO Z11 (2026) runs on the MediaTek Dimensity 8500, while the Xiaomi 15 Ultra (2025) runs on the Qualcomm Snapdragon 8 Elite; launch prices were $290 and $999. By overall MobileRank rating, the Xiaomi 15 Ultra leads — 85/100 vs 66/100 (a 19-point difference). Key differences: the Vivo iQOO Z11 has the bigger battery (9020 mAh vs 6000); the Xiaomi 15 Ultra is faster in AnTuTu (3,030,376 vs 2,612,264); the Vivo iQOO Z11 is thinner (8.3mm vs 9.4mm).

The Xiaomi 15 Ultra is noticeably better than the Vivo iQOO Z11 — the overall rating gap is 19 points.
Profile comparison
Category scores
Vivo iQOO Z11
Performance 79
Display 89
Camera 32
Battery 78
Portability 40
Value for money 76
Xiaomi 15 Ultra
Performance 92
Display 90
Camera 87
Battery 80
Portability 29
Value for money 82
What makes Vivo iQOO Z11 better?
  • Bigger battery: 9020 vs 6000 mAh
  • Higher refresh rate: 165Hz vs 120Hz
  • Cheaper at launch: $290 vs $999

  • Better portability (40/100 vs 29/100)
What makes Xiaomi 15 Ultra better?
  • Higher AnTuTu: 3030376 vs 2612264
  • Better Geekbench Single: 3050 vs 1553
  • Better Geekbench Multi: 10200 vs 6403
  • Lighter: 225g vs 228g

  • Higher performance (92/100 vs 79/100)
  • Better camera (87/100 vs 32/100)
  • Longer battery life (80/100 vs 78/100)
  • Better display (90/100 vs 89/100)
Comparison verdict

Comparing the Vivo iQOO Z11 vs the Xiaomi 15 Ultra, the Xiaomi 15 Ultra scores 19 points higher (85/100 vs 66/100). In the "performance" category, the Xiaomi 15 Ultra leads (92/100 vs 79/100). In the "camera" category, the Xiaomi 15 Ultra leads (87/100 vs 32/100). Value score: Vivo iQOO Z11 — 76/100, Xiaomi 15 Ultra — 82/100; it is biased by price level, so it should not be compared directly between devices at different prices. In the "performance" category, the Xiaomi 15 Ultra is a bit better (92/100 vs 79/100). In the "display" category, the Xiaomi 15 Ultra and the Vivo iQOO Z11 are nearly equal (90/100 vs 89/100). In the "camera" category, the Xiaomi 15 Ultra significantly outperforms the Vivo iQOO Z11 (87/100 vs 32/100). In the "battery" category, the Xiaomi 15 Ultra and the Vivo iQOO Z11 are nearly equal (80/100 vs 78/100). In the "portability" category, the Vivo iQOO Z11 is a bit better (40/100 vs 29/100).

Vivo iQOO Z11: The Vivo iQOO Z11 is a better fit for active users, those who care about battery life, budget-conscious buyers.
Xiaomi 15 Ultra: The Xiaomi 15 Ultra is a better fit for gamers and power users, mobile photography enthusiasts, those who care about battery life, budget-conscious buyers.
Specs comparison
Specification Vivo iQOO Z11 Xiaomi 15 Ultra
Processor MediaTek Dimensity 8500 Qualcomm Snapdragon 8 Elite
AnTuTu 2612264 3030376
Geekbench Single 1553 3050
Geekbench Multi 6403 10200
Display 6.8" AMOLED 6.7" LTPO AMOLED
Resolution 1080x2400 3200x1440
Refresh rate 165 Hz 120 Hz
Battery 9020 mAh 6000 mAh
Charging 90W 90W
Wireless charging 0W 50W
DXOMark (camera) 159
Main camera 50 MP 50 MP
Ultrawide 0 MP 50 MP
Telephoto 0 MP 50 MP
Front camera 16 MP 32 MP
RAM 8GB / 12GB / 16GB 16GB
Storage 256GB / 512GB 256GB / 512GB / 1TB
OS Android 16 Android 15 / HyperOS 2
Brightness (peak) 5000 nits 3200 nits
NFC yes yes
Protection IP68 IP68
Dimensions 163.7×76.2×8.3 mm 161.3×75.3×9.4 mm
Weight 228 g 225 g
Launch price $290 $999
Camera comparison
Vivo iQOO Z11
  • Main: 50MP f/f/1.8
  • Front: 16MP
32
camera
Xiaomi 15 Ultra
  • Main: 50MP f/f/1.63
  • Ultrawide: 50MP
  • Telephoto: 50MP
  • Front: 32MP
87
camera
Display comparison
Vivo iQOO Z11
  • 6.8" AMOLED
  • Resolution: 1080x2400
  • Refresh rate: 165 Hz
89
display
Xiaomi 15 Ultra
  • 6.7" LTPO AMOLED
  • Resolution: 3200x1440
  • Refresh rate: 120 Hz
90
display
Battery and charging
Vivo iQOO Z11
  • 9020 mAh
  • Wired: 90W
  • No wireless charging
78
battery
Xiaomi 15 Ultra
  • 6000 mAh
  • NanoReview test: web browsing 12:19 hrs, total 30:03 hrs
  • Wired: 90W
  • Wireless: 50W
80
battery
Overall performance score

We compared Vivo iQOO Z11 and Xiaomi 15 Ultra, covering their specs and all relevant benchmarks.

Vivo iQOO Z11 MediaTek Dimensity 8500
66/100
2612264 AnTuTu
Xiaomi 15 Ultra Qualcomm Snapdragon 8 Elite
85/100 +13.8%
3030376 AnTuTu

Xiaomi 15 Ultra leads Vivo iQOO Z11 by 13.8% in our overall performance rating.

Benchmarks
Launch prices and where to check today's
Vivo iQOO Z11
$290
Xiaomi 15 Ultra
$999

Launch price difference: $709. Vivo iQOO Z11 was $709 cheaper at launch.

Detailed category analysis
performance

In the "performance" category, the Xiaomi 15 Ultra is a bit better (92/100 vs 79/100).

display

In the "display" category, the Xiaomi 15 Ultra and the Vivo iQOO Z11 are nearly equal (90/100 vs 89/100).

camera

In the "camera" category, the Xiaomi 15 Ultra significantly outperforms the Vivo iQOO Z11 (87/100 vs 32/100).

battery

In the "battery" category, the Xiaomi 15 Ultra and the Vivo iQOO Z11 are nearly equal (80/100 vs 78/100).

portability

In the "portability" category, the Vivo iQOO Z11 is a bit better (40/100 vs 29/100).

Frequently asked questions
Which is better: the Vivo iQOO Z11 or the Xiaomi 15 Ultra?

The Xiaomi 15 Ultra is noticeably better than the Vivo iQOO Z11 — the overall rating gap is 19 points.

What is the rating of the Vivo iQOO Z11 and the Xiaomi 15 Ultra?

The Vivo iQOO Z11 has a MobileRank rating of 66/100, the Xiaomi 15 Ultra — 85/100.

Which has the better camera: the Vivo iQOO Z11 or the Xiaomi 15 Ultra?

The Xiaomi 15 Ultra leads on camera score (87/100 vs 32/100).

Which is more powerful: the Vivo iQOO Z11 or the Xiaomi 15 Ultra?

The Xiaomi 15 Ultra leads on performance (92/100 vs 79/100).

Should you choose the Vivo iQOO Z11 over the Xiaomi 15 Ultra?

The Vivo iQOO Z11 is a better fit for active users, those who care about battery life, budget-conscious buyers. The Xiaomi 15 Ultra is a better fit for gamers and power users, mobile photography enthusiasts, those who care about battery life, budget-conscious buyers.