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 — 89/100 vs 64/100 (a 25-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 1,960,745); the Redmi Turbo 4 is noticeably lighter (203g vs 227g).

The Vivo iQOO 15 Ultra significantly outperforms the Redmi Turbo 4 by 25 points (89/100 vs 64/100).

Profile comparison

Category scores

Redmi Turbo 4

Performance 76
Display 83
Camera 37
Battery 68
Portability 56
Value for money —

Vivo iQOO 15 Ultra

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

What makes Redmi Turbo 4 better?

  • Lighter: 203g vs 227g

  • Better portability (56/100 vs 35/100)

What makes Vivo iQOO 15 Ultra better?

  • Higher AnTuTu: 4602290 vs 1960745
  • Better Geekbench Single: 3639 vs 1579
  • Better Geekbench Multi: 11047 vs 6100
  • Bigger battery: 7400 vs 6550 mAh
  • Faster charging: 120W vs 90W
  • Higher refresh rate: 144Hz vs 120Hz

  • Higher performance (99/100 vs 76/100)
  • Better camera (78/100 vs 37/100)
  • Longer battery life (92/100 vs 68/100)
  • Better display (99/100 vs 83/100)

Comparison verdict

Comparing the Redmi Turbo 4 vs the Vivo iQOO 15 Ultra, the Vivo iQOO 15 Ultra scores 25 points higher (89/100 vs 64/100). 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 37/100). In the "battery" category, the Vivo iQOO 15 Ultra leads (92/100 vs 68/100). In the "performance" category, the Vivo iQOO 15 Ultra notably outperforms the Redmi Turbo 4 (99/100 vs 76/100). In the "display" category, the Vivo iQOO 15 Ultra notably outperforms the Redmi Turbo 4 (99/100 vs 83/100). In the "camera" category, the Vivo iQOO 15 Ultra significantly outperforms the Redmi Turbo 4 (78/100 vs 37/100). In the "battery" category, the Vivo iQOO 15 Ultra notably outperforms the Redmi Turbo 4 (92/100 vs 68/100). In the "portability" category, the Redmi Turbo 4 notably outperforms the Vivo iQOO 15 Ultra (56/100 vs 35/100).

Redmi Turbo 4: The Redmi Turbo 4 is a better fit for active users.
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.

Specs comparison

Specification Redmi Turbo 4 Vivo iQOO 15 Ultra
Processor MediaTek Dimensity 8400 Ultra Qualcomm Snapdragon 8 Elite Gen 5
AnTuTu 1960745 4602290
Geekbench Single 1579 3639
Geekbench Multi 6100 11047
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
Launch price — $799

Camera comparison

Redmi Turbo 4

  • Main: 50MP f/1.5
  • Ultrawide: 8MP
  • Front: 20MP
37
camera

Vivo iQOO 15 Ultra

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

Display comparison

Redmi Turbo 4

  • 6.7" AMOLED
  • Resolution: 1220x2712
  • Refresh rate: 120 Hz
83
display

Vivo iQOO 15 Ultra

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

Battery and charging

Redmi Turbo 4

  • 6550 mAh
  • Wired: 90W
  • No wireless charging
68
battery

Vivo iQOO 15 Ultra

  • 7400 mAh
  • Wired: 120W
  • Wireless: 50W
92
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
64/100
1960745 AnTuTu
Vivo iQOO 15 Ultra Qualcomm Snapdragon 8 Elite Gen 5
89/100 +57.4%
4602290 AnTuTu

Vivo iQOO 15 Ultra leads Redmi Turbo 4 by 57.4% in our overall performance rating.

Benchmarks

Launch prices and where to check today's

Redmi Turbo 4

Price unknown

Vivo iQOO 15 Ultra

$799

Detailed category analysis

performance

In the "performance" category, the Vivo iQOO 15 Ultra notably outperforms the Redmi Turbo 4 (99/100 vs 76/100).

display

In the "display" category, the Vivo iQOO 15 Ultra notably outperforms the Redmi Turbo 4 (99/100 vs 83/100).

camera

In the "camera" category, the Vivo iQOO 15 Ultra significantly outperforms the Redmi Turbo 4 (78/100 vs 37/100).

battery

In the "battery" category, the Vivo iQOO 15 Ultra notably outperforms the Redmi Turbo 4 (92/100 vs 68/100).

portability

In the "portability" category, the Redmi Turbo 4 notably outperforms the Vivo iQOO 15 Ultra (56/100 vs 35/100).

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 25 points (89/100 vs 64/100).

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

The Redmi Turbo 4 has a MobileRank rating of 64/100, the Vivo iQOO 15 Ultra — 89/100.

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

The Vivo iQOO 15 Ultra leads on camera score (78/100 vs 37/100).

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

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

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

The Redmi Turbo 4 is a better fit for active users. The Vivo iQOO 15 Ultra is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.