Redmi 3S vs Vivo iQOO 15T

The Redmi 3S (2016) runs on the Qualcomm Snapdragon 430, while the Vivo iQOO 15T (2026) runs on the MediaTek Dimensity 9500; launch prices were $120 and $499. By overall MobileRank rating, the Vivo iQOO 15T leads — 82/100 vs 21/100 (a 61-point difference). Key differences: the Vivo iQOO 15T has the bigger battery (8000 mAh vs 4100); the main camera is 13 MP vs 200 MP; the Vivo iQOO 15T is faster in AnTuTu (3,815,522 vs 180,440); the Vivo iQOO 15T has NFC for contactless payments, the Redmi 3S doesn't; the Redmi 3S is noticeably lighter (144g vs 216g).

The Vivo iQOO 15T significantly outperforms the Redmi 3S by 61 points (82/100 vs 21/100).
Profile comparison
Category scores
Redmi 3S
Performance 11
Display 32
Camera 10
Battery 35
Portability 78
Value for money 24
Vivo iQOO 15T
Performance 95
Display 99
Camera 65
Battery 75
Portability 44
Value for money 90
What makes Redmi 3S better?
  • Lighter: 144g vs 216g
  • Cheaper at launch: $120 vs $499

  • Better portability (78/100 vs 44/100)
What makes Vivo iQOO 15T better?
  • Higher AnTuTu: 3815522 vs 180440
  • Better Geekbench Single: 3228 vs 205
  • Better Geekbench Multi: 9553 vs 827
  • Bigger battery: 8000 vs 4100 mAh
  • Better main camera: 200MP vs 13MP
  • Higher refresh rate: 144Hz vs 60Hz

  • Higher performance (95/100 vs 11/100)
  • Better camera (65/100 vs 10/100)
  • Longer battery life (75/100 vs 35/100)
  • Better display (99/100 vs 32/100)
Comparison verdict

Comparing the Redmi 3S vs the Vivo iQOO 15T, the Vivo iQOO 15T scores 61 points higher (82/100 vs 21/100). In the "performance" category, the Vivo iQOO 15T leads (95/100 vs 11/100). In the "camera" category, the Vivo iQOO 15T leads (65/100 vs 10/100). In the "battery" category, the Vivo iQOO 15T leads (75/100 vs 35/100). Value score: Redmi 3S — 24/100, Vivo iQOO 15T — 90/100; it is biased by price level, so it should not be compared directly between devices at different prices. In the "performance" category, the Vivo iQOO 15T significantly outperforms the Redmi 3S (95/100 vs 11/100). In the "display" category, the Vivo iQOO 15T significantly outperforms the Redmi 3S (99/100 vs 32/100). In the "camera" category, the Vivo iQOO 15T significantly outperforms the Redmi 3S (65/100 vs 10/100). In the "battery" category, the Vivo iQOO 15T significantly outperforms the Redmi 3S (75/100 vs 35/100). In the "portability" category, the Redmi 3S significantly outperforms the Vivo iQOO 15T (78/100 vs 44/100).

Redmi 3S: The Redmi 3S is a better fit for everyday use.
Vivo iQOO 15T: The Vivo iQOO 15T is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.
Specs comparison
Specification Redmi 3S Vivo iQOO 15T
Processor Qualcomm Snapdragon 430 MediaTek Dimensity 9500
AnTuTu 180440 3815522
Geekbench Single 205 3228
Geekbench Multi 827 9553
Display 5.0" IPS LCD 6.8" LTPO AMOLED
Resolution 1440x3168
Refresh rate 60 Hz 144 Hz
Battery 4100 mAh 8000 mAh
Charging 100W
Main camera 13 MP 200 MP
Ultrawide 0 MP 50 MP
Front camera 5 MP 16 MP
RAM 2GB / 3GB 12GB / 16GB
Storage 16GB / 32GB 256GB / 512GB / 1TB
OS Android 16
NFC no yes
Protection IP68
Dimensions 139.3×69.6×8.5 mm
Weight 144 g 216 g
Launch price $120 $499
Camera comparison
Redmi 3S
  • Main: 13MP
  • Front: 5MP
10
camera
Vivo iQOO 15T
  • Main: 200MP f/f/1.8
  • Ultrawide: 50MP
  • Front: 16MP
65
camera
Display comparison
Redmi 3S
  • 5.0" IPS LCD
  • Refresh rate: 60 Hz
32
display
Vivo iQOO 15T
  • 6.8" LTPO AMOLED
  • Resolution: 1440x3168
  • Refresh rate: 144 Hz
99
display
Battery and charging
Redmi 3S
  • 4100 mAh
  • Wireless charging: no data
35
battery
Vivo iQOO 15T
  • 8000 mAh
  • Wired: 100W
  • No wireless charging
75
battery
Overall performance score

We compared Redmi 3S and Vivo iQOO 15T, covering their specs and all relevant benchmarks.

Redmi 3S Qualcomm Snapdragon 430
21/100
180440 AnTuTu
Vivo iQOO 15T MediaTek Dimensity 9500
82/100 +95.3%
3815522 AnTuTu

Vivo iQOO 15T leads Redmi 3S by 95.3% in our overall performance rating.

Benchmarks
Launch prices and where to check today's
Redmi 3S
$120
Vivo iQOO 15T
$499

Launch price difference: $379. Redmi 3S was $379 cheaper at launch.

Detailed category analysis
performance

In the "performance" category, the Vivo iQOO 15T significantly outperforms the Redmi 3S (95/100 vs 11/100).

display

In the "display" category, the Vivo iQOO 15T significantly outperforms the Redmi 3S (99/100 vs 32/100).

camera

In the "camera" category, the Vivo iQOO 15T significantly outperforms the Redmi 3S (65/100 vs 10/100).

battery

In the "battery" category, the Vivo iQOO 15T significantly outperforms the Redmi 3S (75/100 vs 35/100).

portability

In the "portability" category, the Redmi 3S significantly outperforms the Vivo iQOO 15T (78/100 vs 44/100).

Frequently asked questions
Which is better: the Redmi 3S or the Vivo iQOO 15T?

The Vivo iQOO 15T significantly outperforms the Redmi 3S by 61 points (82/100 vs 21/100).

What is the rating of the Redmi 3S and the Vivo iQOO 15T?

The Redmi 3S has a MobileRank rating of 21/100, the Vivo iQOO 15T — 82/100.

Which has the better camera: the Redmi 3S or the Vivo iQOO 15T?

The Vivo iQOO 15T leads on camera score (65/100 vs 10/100).

Which is more powerful: the Redmi 3S or the Vivo iQOO 15T?

The Vivo iQOO 15T leads on performance (95/100 vs 11/100).

Should you choose the Redmi 3S over the Vivo iQOO 15T?

The Redmi 3S is a better fit for everyday use. The Vivo iQOO 15T is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.