Vivo iQOO 15 Ultra vs Xiaomi 17T

The Vivo iQOO 15 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite Gen 5, while the Xiaomi 17T (2026) runs on the MediaTek Dimensity 8500 Ultra; launch prices were $799 and $449. By overall MobileRank rating, the Vivo iQOO 15 Ultra leads — 89/100 vs 71/100 (a 18-point difference). Key differences: the Vivo iQOO 15 Ultra has the bigger battery (7400 mAh vs 6500); the Vivo iQOO 15 Ultra is faster in AnTuTu (4,602,290 vs 2,026,828); the Xiaomi 17T is noticeably lighter (185g vs 227g).

The Vivo iQOO 15 Ultra is noticeably better than the Xiaomi 17T — the overall rating gap is 18 points.

Profile comparison

Category scores

Vivo iQOO 15 Ultra

Performance 99
Display 99
Camera 78
Battery 92
Portability 35
Value for money 92

Xiaomi 17T

Performance 76
Display 85
Camera 63
Battery 63
Portability 74
Value for money 66

What makes Vivo iQOO 15 Ultra better?

  • Higher AnTuTu: 4602290 vs 2026828
  • Better Geekbench Single: 3639 vs 1555
  • Better Geekbench Multi: 11047 vs 6405
  • Bigger battery: 7400 vs 6500 mAh
  • Faster charging: 120W vs 67W
  • Higher refresh rate: 144Hz vs 120Hz

  • Higher performance (99/100 vs 76/100)
  • Better camera (78/100 vs 63/100)
  • Longer battery life (92/100 vs 63/100)
  • Better display (99/100 vs 85/100)

What makes Xiaomi 17T better?

  • Lighter: 185g vs 227g
  • Cheaper at launch: $449 vs $799

  • Better portability (74/100 vs 35/100)

Comparison verdict

Comparing the Vivo iQOO 15 Ultra vs the Xiaomi 17T, the Vivo iQOO 15 Ultra scores 18 points higher (89/100 vs 71/100). In the "performance" category, the Vivo iQOO 15 Ultra leads (99/100 vs 76/100). In the "camera" category, the Vivo iQOO 15 Ultra leads (78/100 vs 63/100). In the "battery" category, the Vivo iQOO 15 Ultra leads (92/100 vs 63/100). Value score: Vivo iQOO 15 Ultra — 92/100, Xiaomi 17T — 66/100; 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 Vivo iQOO 15 Ultra notably outperforms the Xiaomi 17T (99/100 vs 76/100). In the "display" category, the Vivo iQOO 15 Ultra is a bit better (99/100 vs 85/100). In the "camera" category, the Vivo iQOO 15 Ultra notably outperforms the Xiaomi 17T (78/100 vs 63/100). In the "battery" category, the Vivo iQOO 15 Ultra notably outperforms the Xiaomi 17T (92/100 vs 63/100). In the "portability" category, the Xiaomi 17T significantly outperforms the Vivo iQOO 15 Ultra (74/100 vs 35/100).

Vivo iQOO 15 Ultra: The Vivo iQOO 15 Ultra is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.
Xiaomi 17T: The Xiaomi 17T is a better fit for active users.

Specs comparison

Specification Vivo iQOO 15 Ultra Xiaomi 17T
Processor Qualcomm Snapdragon 8 Elite Gen 5 MediaTek Dimensity 8500 Ultra
AnTuTu 4602290 2026828
Geekbench Single 3639 1555
Geekbench Multi 11047 6405
Display 6.8" LTPO AMOLED 6.6" AMOLED
Resolution 1440x3168 2756x1268
Refresh rate 144 Hz 120 Hz
Battery 7400 mAh 6500 mAh
Charging 120W 67W
Wireless charging 50W 0W
Main camera 50 MP 50 MP
Ultrawide 50 MP 12 MP
Telephoto 50 MP 50 MP
Front camera 32 MP 32 MP
RAM 12GB / 16GB / 24GB 12GB
Storage 256GB / 512GB / 1TB 256GB / 512GB
OS Android 16 Android 16
Brightness (peak) 8000 nits —
NFC yes yes
Protection IP68 IP68
Dimensions 163.7×76.8×8.7 mm —
Weight 227 g 185 g
Launch price $799 $449

Camera comparison

Vivo iQOO 15 Ultra

  • Main: 50MP f/1.9
  • Ultrawide: 50MP
  • Telephoto: 50MP
  • Front: 32MP
78
camera

Xiaomi 17T

  • Main: 50MP f/1.7
  • Ultrawide: 12MP
  • Telephoto: 50MP
  • Front: 32MP
63
camera

Display comparison

Vivo iQOO 15 Ultra

  • 6.8" LTPO AMOLED
  • Resolution: 1440x3168
  • Refresh rate: 144 Hz
99
display

Xiaomi 17T

  • 6.6" AMOLED
  • Resolution: 2756x1268
  • Refresh rate: 120 Hz
85
display

Battery and charging

Vivo iQOO 15 Ultra

  • 7400 mAh
  • Wired: 120W
  • Wireless: 50W
92
battery

Xiaomi 17T

  • 6500 mAh
  • Wired: 67W
  • No wireless charging
63
battery

Overall performance score

We compared Vivo iQOO 15 Ultra and Xiaomi 17T, covering their specs and all relevant benchmarks.

Vivo iQOO 15 Ultra Qualcomm Snapdragon 8 Elite Gen 5
89/100
4602290 AnTuTu
Xiaomi 17T MediaTek Dimensity 8500 Ultra
71/100 -127.1%
2026828 AnTuTu

Vivo iQOO 15 Ultra leads Xiaomi 17T by 127.1% in our overall performance rating.

Benchmarks

Launch prices and where to check today's

Vivo iQOO 15 Ultra

$799

Xiaomi 17T

$449

Launch price difference: $350. Xiaomi 17T was $350 cheaper at launch.

Detailed category analysis

performance

In the "performance" category, the Vivo iQOO 15 Ultra notably outperforms the Xiaomi 17T (99/100 vs 76/100).

display

In the "display" category, the Vivo iQOO 15 Ultra is a bit better (99/100 vs 85/100).

camera

In the "camera" category, the Vivo iQOO 15 Ultra notably outperforms the Xiaomi 17T (78/100 vs 63/100).

battery

In the "battery" category, the Vivo iQOO 15 Ultra notably outperforms the Xiaomi 17T (92/100 vs 63/100).

portability

In the "portability" category, the Xiaomi 17T significantly outperforms the Vivo iQOO 15 Ultra (74/100 vs 35/100).

Frequently asked questions

Which is better: the Vivo iQOO 15 Ultra or the Xiaomi 17T?

The Vivo iQOO 15 Ultra is noticeably better than the Xiaomi 17T — the overall rating gap is 18 points.

What is the rating of the Vivo iQOO 15 Ultra and the Xiaomi 17T?

The Vivo iQOO 15 Ultra has a MobileRank rating of 89/100, the Xiaomi 17T — 71/100.

Which has the better camera: the Vivo iQOO 15 Ultra or the Xiaomi 17T?

The Vivo iQOO 15 Ultra leads on camera score (78/100 vs 63/100).

Which is more powerful: the Vivo iQOO 15 Ultra or the Xiaomi 17T?

The Vivo iQOO 15 Ultra leads on performance (99/100 vs 76/100).

Should you choose the Vivo iQOO 15 Ultra over the Xiaomi 17T?

The Vivo iQOO 15 Ultra is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers. The Xiaomi 17T is a better fit for active users.