Redmi Turbo 4 vs Vivo iQOO 15 Ultra

The Redmi Turbo 4 (2025) runs on the MediaTek Dimensity 8400 Ultra, while the Vivo iQOO 15 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite Gen 5. By overall MobileRank rating, the Vivo iQOO 15 Ultra leads — 84/100 vs 46/100 (a 38-point difference). Key differences: the Vivo iQOO 15 Ultra has the bigger battery (7400 mAh vs 6550); the Vivo iQOO 15 Ultra is faster in AnTuTu (4,602,290 vs 1,954,834); the Redmi Turbo 4 is noticeably lighter (203g vs 227g).

The Vivo iQOO 15 Ultra significantly outperforms the Redmi Turbo 4 by 38 points (84/100 vs 46/100).
Profile comparison
Category scores
Redmi Turbo 4
Performance 30
Display 100
Camera 32
Battery 65
Design 46
Value for money 55
Vivo iQOO 15 Ultra
Performance 97
Display 100
Camera 74
Battery 86
Design 16
Value for money 55
What makes Redmi Turbo 4 better?
  • Lighter: 203g vs 227g

  • Better design/ergonomics (46/100 vs 16/100)
What makes Vivo iQOO 15 Ultra better?
  • Higher AnTuTu: 4602290 vs 1954834
  • Better Geekbench Single: 3640 vs 1579
  • Better Geekbench Multi: 11033 vs 6100
  • Bigger battery: 7400 vs 6550 mAh
  • Faster charging: 120W vs 90W
  • Higher refresh rate: 144Hz vs 120Hz

  • Higher performance (97/100 vs 30/100)
  • Better camera (74/100 vs 32/100)
  • Longer battery life (86/100 vs 65/100)
Comparison verdict

Comparing the Redmi Turbo 4 vs the Vivo iQOO 15 Ultra, the Vivo iQOO 15 Ultra scores 38 points higher (84/100 vs 46/100). In the "performance" category, the Vivo iQOO 15 Ultra leads (97/100 vs 30/100). In the "camera" category, the Vivo iQOO 15 Ultra leads (74/100 vs 32/100). In the "battery" category, the Vivo iQOO 15 Ultra leads (86/100 vs 65/100). In the "performance" category, the Vivo iQOO 15 Ultra significantly outperforms the Redmi Turbo 4 (97/100 vs 30/100). In the "display" category, both devices are on the same level — 100/100. In the "camera" category, the Vivo iQOO 15 Ultra significantly outperforms the Redmi Turbo 4 (74/100 vs 32/100). In the "battery" category, the Vivo iQOO 15 Ultra notably outperforms the Redmi Turbo 4 (86/100 vs 65/100). In the "design" category, the Redmi Turbo 4 significantly outperforms the Vivo iQOO 15 Ultra (46/100 vs 16/100). In the "value for money" category, both devices are on the same level — 55/100.

Redmi Turbo 4: The Redmi Turbo 4 is a better fit for everyday use.
Vivo iQOO 15 Ultra: The Vivo iQOO 15 Ultra is a better fit for gamers and power users, those who care about battery life.
Specs comparison
Specification Redmi Turbo 4 Vivo iQOO 15 Ultra
Processor MediaTek Dimensity 8400 Ultra Qualcomm Snapdragon 8 Elite Gen 5
AnTuTu 1954834 4602290
Geekbench Single 1579 3640
Geekbench Multi 6100 11033
Display 6.7" AMOLED 6.8" LTPO AMOLED
Resolution 1220x2712 1440x3168
Refresh rate 120 Hz 144 Hz
Battery 6550 mAh 7400 mAh
Charging 90W 120W
Wireless charging 0W 50W
Main camera 50 MP 50 MP
Ultrawide 8 MP 50 MP
Telephoto 0 MP 50 MP
Front camera 20 MP 32 MP
RAM 12GB / 16GB 12GB / 16GB / 24GB
Storage 256GB / 512GB 256GB / 512GB / 1TB
OS Android 15, HyperOS 2 Android 16
Brightness (peak) 3200 nits 8000 nits
NFC yes yes
Protection IP68 IP68
Dimensions 161.0×75.2×8.1 mm 163.7×76.8×8.7 mm
Weight 203 g 227 g
Price $799
Camera comparison
Redmi Turbo 4
  • Main: 50MP f/f/1.5
  • Ultrawide: 8MP
  • Front: 20MP
32
camera
Vivo iQOO 15 Ultra
  • Main: 50MP f/f/1.9
  • Ultrawide: 50MP
  • Telephoto: 50MP
  • Front: 32MP
74
camera
Display comparison
Redmi Turbo 4
  • 6.7" AMOLED
  • Resolution: 1220x2712
  • Refresh rate: 120 Hz
100
display
Vivo iQOO 15 Ultra
  • 6.8" LTPO AMOLED
  • Resolution: 1440x3168
  • Refresh rate: 144 Hz
100
display
Battery and charging
Redmi Turbo 4
  • 6550 mAh
  • Wired: 90W
  • No wireless charging
65
battery
Vivo iQOO 15 Ultra
  • 7400 mAh
  • Wired: 120W
  • Wireless: 50W
86
battery
Overall performance score

We compared Redmi Turbo 4 and Vivo iQOO 15 Ultra, covering their specs and all relevant benchmarks.

Redmi Turbo 4 MediaTek Dimensity 8400 Ultra
46/100
1954834 AnTuTu
Vivo iQOO 15 Ultra Qualcomm Snapdragon 8 Elite Gen 5
84/100 +57.5%
4602290 AnTuTu

Vivo iQOO 15 Ultra leads Redmi Turbo 4 by 57.5% in our overall performance rating.

Benchmarks
Price and availability
Redmi Turbo 4
Price unknown
Vivo iQOO 15 Ultra
$799
Detailed category analysis
performance

In the "performance" category, the Vivo iQOO 15 Ultra significantly outperforms the Redmi Turbo 4 (97/100 vs 30/100).

display

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

camera

In the "camera" category, the Vivo iQOO 15 Ultra significantly outperforms the Redmi Turbo 4 (74/100 vs 32/100).

battery

In the "battery" category, the Vivo iQOO 15 Ultra notably outperforms the Redmi Turbo 4 (86/100 vs 65/100).

design

In the "design" category, the Redmi Turbo 4 significantly outperforms the Vivo iQOO 15 Ultra (46/100 vs 16/100).

value for money

In the "value for money" category, both devices are on the same level — 55/100.

Frequently asked questions
Which is better: the Redmi Turbo 4 or the Vivo iQOO 15 Ultra?

The Vivo iQOO 15 Ultra significantly outperforms the Redmi Turbo 4 by 38 points (84/100 vs 46/100).

What is the rating of the Redmi Turbo 4 and the Vivo iQOO 15 Ultra?

The Redmi Turbo 4 has a MobileRank rating of 46/100, the Vivo iQOO 15 Ultra — 84/100.

Which has the better camera: the Redmi Turbo 4 or the Vivo iQOO 15 Ultra?

The Vivo iQOO 15 Ultra leads on camera score (74/100 vs 32/100).

Which is more powerful: the Redmi Turbo 4 or the Vivo iQOO 15 Ultra?

The Vivo iQOO 15 Ultra leads on performance (97/100 vs 30/100).

Should you choose the Redmi Turbo 4 over the Vivo iQOO 15 Ultra?

The Redmi Turbo 4 is a better fit for everyday use. The Vivo iQOO 15 Ultra is a better fit for gamers and power users, those who care about battery life.