Redmi K100 vs Vivo S15 Pro

The Redmi K100 (2026) runs on the Qualcomm Snapdragon 8 Elite, while the Vivo S15 Pro (2022) runs on the MediaTek Dimensity 8100. By overall MobileRank rating, the Redmi K100 leads — 73/100 vs 56/100 (a 17-point difference). Key differences: the Redmi K100 has the bigger battery (10000 mAh vs 4500); the Redmi K100 is faster in AnTuTu (3,298,726 vs 1,092,605); the Vivo S15 Pro is noticeably lighter (188g vs 234g).

The Redmi K100 is noticeably better than the Vivo S15 Pro — the overall rating gap is 17 points.

Profile comparison

Category scores

Redmi K100

Performance 92
Display 94
Camera 37
Battery 80
Portability 25
Value for money —

Vivo S15 Pro

Performance 62
Display 80
Camera 42
Battery 45
Portability 60
Value for money —

What makes Redmi K100 better?

  • Higher AnTuTu: 3298726 vs 1092605
  • Better Geekbench Single: 3013 vs 1139
  • Better Geekbench Multi: 9287 vs 3842
  • Bigger battery: 10000 vs 4500 mAh
  • Faster charging: 100W vs 80W
  • Higher refresh rate: 165Hz vs 120Hz

  • Higher performance (92/100 vs 62/100)
  • Longer battery life (80/100 vs 45/100)
  • Better display (94/100 vs 80/100)

What makes Vivo S15 Pro better?

  • Lighter: 188g vs 234g

  • Better camera (42/100 vs 37/100)
  • Better portability (60/100 vs 25/100)

Comparison verdict

Comparing the Redmi K100 vs the Vivo S15 Pro, the Redmi K100 scores 17 points higher (73/100 vs 56/100). In the "performance" category, the Redmi K100 leads (92/100 vs 62/100). In the "battery" category, the Redmi K100 leads (80/100 vs 45/100). In the "performance" category, the Redmi K100 significantly outperforms the Vivo S15 Pro (92/100 vs 62/100). In the "display" category, the Redmi K100 is a bit better (94/100 vs 80/100). In the "camera" category, the Vivo S15 Pro is a bit better (42/100 vs 37/100). In the "battery" category, the Redmi K100 significantly outperforms the Vivo S15 Pro (80/100 vs 45/100). In the "portability" category, the Vivo S15 Pro significantly outperforms the Redmi K100 (60/100 vs 25/100).

Redmi K100: The Redmi K100 is a better fit for gamers and power users, those who care about battery life.
Vivo S15 Pro: The Vivo S15 Pro is a better fit for active users.

Specs comparison

Specification Redmi K100 Vivo S15 Pro
Processor Qualcomm Snapdragon 8 Elite MediaTek Dimensity 8100
AnTuTu 3298726 1092605
Geekbench Single 3013 1139
Geekbench Multi 9287 3842
Display 6.8" AMOLED 6.6" AMOLED
Resolution 1280x2772 1080x2376
Refresh rate 165 Hz 120 Hz
Battery 10000 mAh 4500 mAh
Charging 100W 80W
Main camera 50 MP 50 MP
Ultrawide 8 MP 12 MP
Front camera 20 MP 32 MP
RAM 12GB / 16GB 8GB / 12GB
Storage 256GB / 512GB 256GB
OS Android 17 Android 12, Origin OS Ocean
Brightness (peak) 3500 nits 1500 nits
NFC yes yes
Protection IP68 —
Dimensions — 158.9×73.5×8.6 mm
Weight 234 g 188 g
Launch price — —

Camera comparison

Redmi K100

  • Main: 50MP f/1.7
  • Ultrawide: 8MP
  • Front: 20MP
37
camera

Vivo S15 Pro

  • Main: 50MP f/1.9
  • Ultrawide: 12MP
  • Front: 32MP
42
camera

Display comparison

Redmi K100

  • 6.8" AMOLED
  • Resolution: 1280x2772
  • Refresh rate: 165 Hz
94
display

Vivo S15 Pro

  • 6.6" AMOLED
  • Resolution: 1080x2376
  • Refresh rate: 120 Hz
80
display

Battery and charging

Redmi K100

  • 10000 mAh
  • Wired: 100W
  • No wireless charging
80
battery

Vivo S15 Pro

  • 4500 mAh
  • Wired: 80W
  • No wireless charging
45
battery

Overall performance score

We compared Redmi K100 and Vivo S15 Pro, covering their specs and all relevant benchmarks.

Redmi K100 Qualcomm Snapdragon 8 Elite
73/100
3298726 AnTuTu
Vivo S15 Pro MediaTek Dimensity 8100
56/100 -201.9%
1092605 AnTuTu

Redmi K100 leads Vivo S15 Pro by 201.9% in our overall performance rating.

Benchmarks

Detailed category analysis

performance

In the "performance" category, the Redmi K100 significantly outperforms the Vivo S15 Pro (92/100 vs 62/100).

display

In the "display" category, the Redmi K100 is a bit better (94/100 vs 80/100).

camera

In the "camera" category, the Vivo S15 Pro is a bit better (42/100 vs 37/100).

battery

In the "battery" category, the Redmi K100 significantly outperforms the Vivo S15 Pro (80/100 vs 45/100).

portability

In the "portability" category, the Vivo S15 Pro significantly outperforms the Redmi K100 (60/100 vs 25/100).

Frequently asked questions

Which is better: the Redmi K100 or the Vivo S15 Pro?

The Redmi K100 is noticeably better than the Vivo S15 Pro — the overall rating gap is 17 points.

What is the rating of the Redmi K100 and the Vivo S15 Pro?

The Redmi K100 has a MobileRank rating of 73/100, the Vivo S15 Pro — 56/100.

Which has the better camera: the Redmi K100 or the Vivo S15 Pro?

The Vivo S15 Pro leads on camera score (42/100 vs 37/100).

Which is more powerful: the Redmi K100 or the Vivo S15 Pro?

The Redmi K100 leads on performance (92/100 vs 62/100).

Should you choose the Redmi K100 over the Vivo S15 Pro?

The Redmi K100 is a better fit for gamers and power users, those who care about battery life. The Vivo S15 Pro is a better fit for active users.