Redmi K100 vs Vivo iQOO 15

The Redmi K100 (2026) runs on the Qualcomm Snapdragon 8 Elite, while the Vivo iQOO 15 (2025) runs on the Qualcomm Snapdragon 8 Elite Gen 5. By overall MobileRank rating, the Vivo iQOO 15 leads — 88/100 vs 74/100 (a 14-point difference). Key differences: the Redmi K100 has the bigger battery (10000 mAh vs 7000); the Vivo iQOO 15 is faster in AnTuTu (3,758,268 vs 3,126,402).

The Vivo iQOO 15 is noticeably better than the Redmi K100 — the overall rating gap is 14 points.

Profile comparison

Category scores

Redmi K100

Performance 91
Display 90
Camera 37
Battery 80
Portability —
Value for money —

Vivo iQOO 15

Performance 97
Display 99
Camera 78
Battery 85
Portability 48
Value for money 90

What makes Redmi K100 better?

  • Bigger battery: 10000 vs 7000 mAh
  • Higher refresh rate: 165Hz vs 144Hz

  • Overall rating 74/100

What makes Vivo iQOO 15 better?

  • Higher AnTuTu: 3758268 vs 3126402
  • Better Geekbench Single: 3639 vs 3013
  • Better Geekbench Multi: 11047 vs 9287

  • Higher performance (97/100 vs 91/100)
  • Better camera (78/100 vs 37/100)
  • Longer battery life (85/100 vs 80/100)
  • Better display (99/100 vs 90/100)

Comparison verdict

Comparing the Redmi K100 vs the Vivo iQOO 15, the Vivo iQOO 15 scores 14 points higher (88/100 vs 74/100). In the "camera" category, the Vivo iQOO 15 leads (78/100 vs 37/100). In the "performance" category, the Vivo iQOO 15 is a bit better (97/100 vs 91/100). In the "display" category, the Vivo iQOO 15 is a bit better (99/100 vs 90/100). In the "camera" category, the Vivo iQOO 15 significantly outperforms the Redmi K100 (78/100 vs 37/100). In the "battery" category, the Vivo iQOO 15 is a bit better (85/100 vs 80/100).

Redmi K100: The Redmi K100 is a better fit for gamers and power users, those who care about battery life.
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 K100 Vivo iQOO 15
Processor Qualcomm Snapdragon 8 Elite Qualcomm Snapdragon 8 Elite Gen 5
AnTuTu 3126402 3758268
Geekbench Single 3013 3639
Geekbench Multi 9287 11047
Display 6.8" AMOLED 6.8" LTPO AMOLED
Resolution 1156x2510 1440x3168
Refresh rate 165 Hz 144 Hz
Battery 10000 mAh 7000 mAh
Charging 100W 100W
Wireless charging 0W 40W
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
Storage 256GB / 512GB 256GB / 512GB / 1TB
OS Android 17 Android 16
Brightness (peak) 3500 nits 6000 nits
NFC yes yes
Protection IP68 IP68
Dimensions — 163.7×76.8×8.1 mm
Weight — 215 g
Launch price — $599

Camera comparison

Redmi K100

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

Vivo iQOO 15

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

Display comparison

Redmi K100

  • 6.8" AMOLED
  • Resolution: 1156x2510
  • Refresh rate: 165 Hz
90
display

Vivo iQOO 15

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

Battery and charging

Redmi K100

  • 10000 mAh
  • Wired: 100W
  • No wireless charging
80
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 K100 and Vivo iQOO 15, covering their specs and all relevant benchmarks.

Redmi K100 Qualcomm Snapdragon 8 Elite
74/100
3126402 AnTuTu
Vivo iQOO 15 Qualcomm Snapdragon 8 Elite Gen 5
88/100 +16.8%
3758268 AnTuTu

Vivo iQOO 15 leads Redmi K100 by 16.8% in our overall performance rating.

Benchmarks

Launch prices and where to check today's

Redmi K100

Price unknown

Vivo iQOO 15

$599

Detailed category analysis

performance

In the "performance" category, the Vivo iQOO 15 is a bit better (97/100 vs 91/100).

display

In the "display" category, the Vivo iQOO 15 is a bit better (99/100 vs 90/100).

camera

In the "camera" category, the Vivo iQOO 15 significantly outperforms the Redmi K100 (78/100 vs 37/100).

battery

In the "battery" category, the Vivo iQOO 15 is a bit better (85/100 vs 80/100).

Frequently asked questions

Which is better: the Redmi K100 or the Vivo iQOO 15?

The Vivo iQOO 15 is noticeably better than the Redmi K100 — the overall rating gap is 14 points.

What is the rating of the Redmi K100 and the Vivo iQOO 15?

The Redmi K100 has a MobileRank rating of 74/100, the Vivo iQOO 15 — 88/100.

Which has the better camera: the Redmi K100 or the Vivo iQOO 15?

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

Which is more powerful: the Redmi K100 or the Vivo iQOO 15?

The Vivo iQOO 15 leads on performance (97/100 vs 91/100).

Should you choose the Redmi K100 over the Vivo iQOO 15?

The Redmi K100 is a better fit for gamers and power users, those who care about battery life. The Vivo iQOO 15 is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.