Redmi K90 vs Vivo X100

The Redmi K90 (2025) runs on the Qualcomm Snapdragon 8 Elite, while the Vivo X100 (2023) runs on the MediaTek Dimensity 9300; estimated prices are $401 and $550. By overall MobileRank rating, the Redmi K90 leads — 68/100 vs 64/100 (a 4-point difference). Key differences: the Redmi K90 has the bigger battery (7100 mAh vs 5000); the Redmi K90 is faster in AnTuTu (3,088,357 vs 2,415,558).

The Redmi K90 edges out the Vivo X100 by just 4 points — the two devices are very close in overall level.
Profile comparison
Category scores
Redmi K90
Performance 69
Display 100
Camera 53
Battery 71
Design 42
Value for money 82
Vivo X100
Performance 45
Display 100
Camera 80
Battery 61
Design 42
Value for money 72
What makes Redmi K90 better?
  • Higher AnTuTu: 3088357 vs 2415558
  • Better Geekbench Single: 3050 vs 2142
  • Better Geekbench Multi: 9300 vs 7125
  • Bigger battery: 7100 vs 5000 mAh
  • Cheaper: $401 vs $550

  • Higher performance (69/100 vs 45/100)
  • Longer battery life (71/100 vs 61/100)
  • Better value for money (82/100 vs 72/100)
What makes Vivo X100 better?
  • Faster charging: 120W vs 100W

  • Better camera (80/100 vs 53/100)
Comparison verdict

Comparing the Redmi K90 vs the Vivo X100, the Redmi K90 scores 4 points higher (68/100 vs 64/100). In the "performance" category, the Redmi K90 leads (69/100 vs 45/100). In the "camera" category, the Vivo X100 leads (80/100 vs 53/100). In the "battery" category, the Redmi K90 leads (71/100 vs 61/100). In the "value for money" category, the Redmi K90 leads (82/100 vs 72/100). In the "performance" category, the Redmi K90 notably outperforms the Vivo X100 (69/100 vs 45/100). In the "display" category, both devices are on the same level — 100/100. In the "camera" category, the Vivo X100 notably outperforms the Redmi K90 (80/100 vs 53/100). In the "battery" category, the Redmi K90 is a bit better (71/100 vs 61/100). In the "design" category, both devices are on the same level — 42/100. In the "value for money" category, the Redmi K90 is a bit better (82/100 vs 72/100).

Redmi K90: The Redmi K90 is a better fit for active users, budget-conscious buyers.
Vivo X100: The Vivo X100 is a better fit for mobile photography enthusiasts.
Specs comparison
Specification Redmi K90 Vivo X100
Processor Qualcomm Snapdragon 8 Elite MediaTek Dimensity 9300
AnTuTu 3088357 2415558
Geekbench Single 3050 2142
Geekbench Multi 9300 7125
Display 6.6" AMOLED 6.8" AMOLED
Resolution 2510x1156 2800x1260
Refresh rate 120 Hz 120 Hz
Battery 7100 mAh 5000 mAh
Charging 100W 120W
Main camera 50 MP 50 MP
Ultrawide 8 MP 50 MP
Telephoto 50 MP 64 MP
Front camera 20 MP 32 MP
RAM 12GB / 16GB 12GB / 16GB
Storage 256GB / 512GB 256GB / 512GB
OS Android 16 Android 14
Brightness (peak) 3500 nits 3000 nits
NFC yes yes
Protection IP68 IP68
Dimensions 157.5×75.3×8.0 mm 164.1×75.2×8.5 mm
Weight 206 g 206 g
Price $401 $550
Camera comparison
Redmi K90
  • Main: 50MP f/f/1.9
  • Ultrawide: 8MP
  • Telephoto: 50MP
  • Front: 20MP
53
camera
Vivo X100
  • Main: 50MP f/f/1.57
  • Ultrawide: 50MP
  • Telephoto: 64MP
  • Front: 32MP
80
camera
Display comparison
Redmi K90
  • 6.6" AMOLED
  • Resolution: 2510x1156
  • Refresh rate: 120 Hz
100
display
Vivo X100
  • 6.8" AMOLED
  • Resolution: 2800x1260
  • Refresh rate: 120 Hz
100
display
Battery and charging
Redmi K90
  • 7100 mAh
  • Wired: 100W
  • No wireless charging
71
battery
Vivo X100
  • 5000 mAh
  • Wired: 120W
  • No wireless charging
61
battery
Overall performance score

We compared Redmi K90 and Vivo X100, covering their specs and all relevant benchmarks.

Redmi K90 Qualcomm Snapdragon 8 Elite
68/100
3088357 AnTuTu
Vivo X100 MediaTek Dimensity 9300
64/100 -27.9%
2415558 AnTuTu

Redmi K90 leads Vivo X100 by 27.9% in our overall performance rating.

Benchmarks
Price and availability
Redmi K90
$401
Vivo X100
$550

Price difference: $149. Redmi K90 is cheaper by $149.

Detailed category analysis
performance

In the "performance" category, the Redmi K90 notably outperforms the Vivo X100 (69/100 vs 45/100).

display

In the "display" category, both devices are on the same level — 100/100.

camera

In the "camera" category, the Vivo X100 notably outperforms the Redmi K90 (80/100 vs 53/100).

battery

In the "battery" category, the Redmi K90 is a bit better (71/100 vs 61/100).

design

In the "design" category, both devices are on the same level — 42/100.

value for money

In the "value for money" category, the Redmi K90 is a bit better (82/100 vs 72/100).

Frequently asked questions
Which is better: the Redmi K90 or the Vivo X100?

The Redmi K90 edges out the Vivo X100 by just 4 points — the two devices are very close in overall level.

What is the rating of the Redmi K90 and the Vivo X100?

The Redmi K90 has a MobileRank rating of 68/100, the Vivo X100 — 64/100.

Which has the better camera: the Redmi K90 or the Vivo X100?

The Vivo X100 leads on camera score (80/100 vs 53/100).

Which is more powerful: the Redmi K90 or the Vivo X100?

The Redmi K90 leads on performance (69/100 vs 45/100).

Should you choose the Redmi K90 over the Vivo X100?

The Redmi K90 is a better fit for active users, budget-conscious buyers. The Vivo X100 is a better fit for mobile photography enthusiasts.