Redmi 4 Prime vs Vivo iQOO 15

The Redmi 4 Prime (2016) runs on the Qualcomm Snapdragon 625, while the Vivo iQOO 15 (2025) runs on the Qualcomm Snapdragon 8 Elite; launch prices were $150 and $599. By overall MobileRank rating, the Vivo iQOO 15 leads — 86/100 vs 22/100 (a 64-point difference). Key differences: the Vivo iQOO 15 has the bigger battery (7000 mAh vs 4100); the main camera is 13 MP vs 50 MP; the Vivo iQOO 15 is faster in AnTuTu (3,740,528 vs 218,879); the Vivo iQOO 15 has NFC for contactless payments, the Redmi 4 Prime doesn't; the Redmi 4 Prime is noticeably lighter (156g vs 215g).

The Vivo iQOO 15 significantly outperforms the Redmi 4 Prime by 64 points (86/100 vs 22/100).
Profile comparison
Category scores
Redmi 4 Prime
Performance 14
Display 32
Camera 10
Battery 35
Portability 74
Value for money 20
Vivo iQOO 15
Performance 94
Display 99
Camera 78
Battery 85
Portability 48
Value for money 84
What makes Redmi 4 Prime better?
  • Lighter: 156g vs 215g
  • Cheaper at launch: $150 vs $599

  • Better portability (74/100 vs 48/100)
What makes Vivo iQOO 15 better?
  • Higher AnTuTu: 3740528 vs 218879
  • Better Geekbench Single: 3041 vs 189
  • Better Geekbench Multi: 9494 vs 862
  • Bigger battery: 7000 vs 4100 mAh
  • Better main camera: 50MP vs 13MP
  • Higher refresh rate: 144Hz vs 60Hz

  • Higher performance (94/100 vs 14/100)
  • Better camera (78/100 vs 10/100)
  • Longer battery life (85/100 vs 35/100)
  • Better display (99/100 vs 32/100)
  • Better value for money (84/100 vs 20/100)
Comparison verdict

Comparing the Redmi 4 Prime vs the Vivo iQOO 15, the Vivo iQOO 15 scores 64 points higher (86/100 vs 22/100). In the "performance" category, the Vivo iQOO 15 leads (94/100 vs 14/100). In the "camera" category, the Vivo iQOO 15 leads (78/100 vs 10/100). In the "battery" category, the Vivo iQOO 15 leads (85/100 vs 35/100). In the "value for money" category, the Vivo iQOO 15 leads (84/100 vs 20/100). In the "performance" category, the Vivo iQOO 15 significantly outperforms the Redmi 4 Prime (94/100 vs 14/100). In the "display" category, the Vivo iQOO 15 significantly outperforms the Redmi 4 Prime (99/100 vs 32/100). In the "camera" category, the Vivo iQOO 15 significantly outperforms the Redmi 4 Prime (78/100 vs 10/100). In the "battery" category, the Vivo iQOO 15 significantly outperforms the Redmi 4 Prime (85/100 vs 35/100). In the "portability" category, the Redmi 4 Prime notably outperforms the Vivo iQOO 15 (74/100 vs 48/100). In the "value for money" category, the Vivo iQOO 15 significantly outperforms the Redmi 4 Prime (84/100 vs 20/100).

Redmi 4 Prime: The Redmi 4 Prime is a better fit for everyday use.
Vivo iQOO 15: The Vivo iQOO 15 is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.
Specs comparison
Specification Redmi 4 Prime Vivo iQOO 15
Processor Qualcomm Snapdragon 625 Qualcomm Snapdragon 8 Elite
AnTuTu 218879 3740528
Geekbench Single 189 3041
Geekbench Multi 862 9494
Display 5.0" IPS LCD 6.8" LTPO AMOLED
Resolution 1440x3168
Refresh rate 60 Hz 144 Hz
Battery 4100 mAh 7000 mAh
Charging 100W
Wireless charging 40W
Main camera 13 MP 50 MP
Ultrawide 0 MP 50 MP
Telephoto 0 MP 50 MP
Front camera 5 MP 32 MP
RAM 3GB 12GB / 16GB
Storage 32GB 256GB / 512GB / 1TB
OS Android 16
Brightness (peak) 6000 nits
NFC no yes
Protection IP68
Dimensions 141.3×69.6×8.9 mm 163.7×76.8×8.1 mm
Weight 156 g 215 g
Launch price $150 $599
Camera comparison
Redmi 4 Prime
  • Main: 13MP
  • Front: 5MP
10
camera
Vivo iQOO 15
  • Main: 50MP f/f/1.9
  • Ultrawide: 50MP
  • Telephoto: 50MP
  • Front: 32MP
78
camera
Display comparison
Redmi 4 Prime
  • 5.0" IPS LCD
  • Refresh rate: 60 Hz
32
display
Vivo iQOO 15
  • 6.8" LTPO AMOLED
  • Resolution: 1440x3168
  • Refresh rate: 144 Hz
99
display
Battery and charging
Redmi 4 Prime
  • 4100 mAh
  • Wireless charging: no data
35
battery
Vivo iQOO 15
  • 7000 mAh
  • NanoReview test: web browsing 18:52 hrs, total 39:26 hrs
  • Wired: 100W
  • Wireless: 40W
85
battery
Overall performance score

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

Redmi 4 Prime Qualcomm Snapdragon 625
22/100
218879 AnTuTu
Vivo iQOO 15 Qualcomm Snapdragon 8 Elite
86/100 +94.1%
3740528 AnTuTu

Vivo iQOO 15 leads Redmi 4 Prime by 94.1% in our overall performance rating.

Benchmarks
Launch prices and where to check today's
Redmi 4 Prime
$150
Vivo iQOO 15
$599

Launch price difference: $449. Redmi 4 Prime was $449 cheaper at launch.

Detailed category analysis
performance

In the "performance" category, the Vivo iQOO 15 significantly outperforms the Redmi 4 Prime (94/100 vs 14/100).

display

In the "display" category, the Vivo iQOO 15 significantly outperforms the Redmi 4 Prime (99/100 vs 32/100).

camera

In the "camera" category, the Vivo iQOO 15 significantly outperforms the Redmi 4 Prime (78/100 vs 10/100).

battery

In the "battery" category, the Vivo iQOO 15 significantly outperforms the Redmi 4 Prime (85/100 vs 35/100).

portability

In the "portability" category, the Redmi 4 Prime notably outperforms the Vivo iQOO 15 (74/100 vs 48/100).

value for money

In the "value for money" category, the Vivo iQOO 15 significantly outperforms the Redmi 4 Prime (84/100 vs 20/100).

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

The Vivo iQOO 15 significantly outperforms the Redmi 4 Prime by 64 points (86/100 vs 22/100).

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

The Redmi 4 Prime has a MobileRank rating of 22/100, the Vivo iQOO 15 — 86/100.

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

The Vivo iQOO 15 leads on camera score (78/100 vs 10/100).

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

The Vivo iQOO 15 leads on performance (94/100 vs 14/100).

Should you choose the Redmi 4 Prime over the Vivo iQOO 15?

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