Realme P3x vs Vivo X300s

The Realme P3x (2025) runs on the MediaTek Dimensity 6400, while the Vivo X300s (2026) runs on the Dimensity 9500. By overall MobileRank rating, the Vivo X300s leads — 89/100 vs 46/100 (a 43-point difference). Key differences: the Vivo X300s has the bigger battery (7100 mAh vs 6000); the main camera is 50 MP vs 200 MP; the Vivo X300s is faster in AnTuTu (3,703,823 vs 550,018); the Realme P3x is noticeably lighter (197g vs 217g).

The Vivo X300s significantly outperforms the Realme P3x by 43 points (89/100 vs 46/100).
Profile comparison
Category scores
Realme P3x
Performance 44
Display 66
Camera 31
Battery 56
Portability 62
Value for money
Vivo X300s
Performance 94
Display 94
Camera 94
Battery 83
Portability 42
Value for money
What makes Realme P3x better?
  • Lighter: 197g vs 217g

  • Better portability (62/100 vs 42/100)
What makes Vivo X300s better?
  • Higher AnTuTu: 3703823 vs 550018
  • Better Geekbench Single: 3228 vs 803
  • Better Geekbench Multi: 9553 vs 2047
  • Bigger battery: 7100 vs 6000 mAh
  • Faster charging: 90W vs 45W
  • Better main camera: 200MP vs 50MP
  • Higher refresh rate: 144Hz vs 120Hz

  • Higher performance (94/100 vs 44/100)
  • Better camera (94/100 vs 31/100)
  • Longer battery life (83/100 vs 56/100)
  • Better display (94/100 vs 66/100)
Comparison verdict

Comparing the Realme P3x vs the Vivo X300s, the Vivo X300s scores 43 points higher (89/100 vs 46/100). In the "performance" category, the Vivo X300s leads (94/100 vs 44/100). In the "camera" category, the Vivo X300s leads (94/100 vs 31/100). In the "battery" category, the Vivo X300s leads (83/100 vs 56/100). In the "performance" category, the Vivo X300s significantly outperforms the Realme P3x (94/100 vs 44/100). In the "display" category, the Vivo X300s notably outperforms the Realme P3x (94/100 vs 66/100). In the "camera" category, the Vivo X300s significantly outperforms the Realme P3x (94/100 vs 31/100). In the "battery" category, the Vivo X300s notably outperforms the Realme P3x (83/100 vs 56/100). In the "portability" category, the Realme P3x notably outperforms the Vivo X300s (62/100 vs 42/100).

Realme P3x: The Realme P3x is a better fit for everyday use.
Vivo X300s: The Vivo X300s is a better fit for gamers and power users, mobile photography enthusiasts, those who care about battery life.
Specs comparison
Specification Realme P3x Vivo X300s
Processor MediaTek Dimensity 6400 Dimensity 9500
AnTuTu 550018 3703823
Geekbench Single 803 3228
Geekbench Multi 2047 9553
Display 6.7" IPS LCD 6.8" LTPO AMOLED
Resolution 1080x2400 2800x1260
Refresh rate 120 Hz 144 Hz
Battery 6000 mAh 7100 mAh
Charging 45W 90W
Wireless charging 0W 40W
Main camera 50 MP 200 MP
Ultrawide 0 MP 50 MP
Telephoto 0 MP 50 MP
Front camera 50 MP
RAM 6GB / 8GB 12GB / 16GB
Storage 128GB 256GB / 512GB / 1TB
OS Android 15, Realme UI 6.0 Android 16 / OriginOS 6
Brightness (peak) 950 nits
NFC no
Protection IP68
Dimensions 165.7×76.2×7.9 mm
Weight 197 g 217 g
Price $723
Camera comparison
Realme P3x
  • Main: 50MP f/f/1.8
  • Front: —
31
camera
Vivo X300s
  • Main: 200MP f/f/1.7
  • Ultrawide: 50MP
  • Telephoto: 50MP
  • Front: 50MP
94
camera
Display comparison
Realme P3x
  • 6.7" IPS LCD
  • Resolution: 1080x2400
  • Refresh rate: 120 Hz
66
display
Vivo X300s
  • 6.8" LTPO AMOLED
  • Resolution: 2800x1260
  • Refresh rate: 144 Hz
94
display
Battery and charging
Realme P3x
  • 6000 mAh
  • Wired: 45W
  • No wireless charging
56
battery
Vivo X300s
  • 7100 mAh
  • Wired: 90W
  • Wireless: 40W
83
battery
Overall performance score

We compared Realme P3x and Vivo X300s, covering their specs and all relevant benchmarks.

Realme P3x MediaTek Dimensity 6400
46/100
550018 AnTuTu
Vivo X300s Dimensity 9500
89/100 +85.1%
3703823 AnTuTu

Vivo X300s leads Realme P3x by 85.1% in our overall performance rating.

Benchmarks
Price and availability
Realme P3x
Price unknown
Vivo X300s
$723
Detailed category analysis
performance

In the "performance" category, the Vivo X300s significantly outperforms the Realme P3x (94/100 vs 44/100).

display

In the "display" category, the Vivo X300s notably outperforms the Realme P3x (94/100 vs 66/100).

camera

In the "camera" category, the Vivo X300s significantly outperforms the Realme P3x (94/100 vs 31/100).

battery

In the "battery" category, the Vivo X300s notably outperforms the Realme P3x (83/100 vs 56/100).

portability

In the "portability" category, the Realme P3x notably outperforms the Vivo X300s (62/100 vs 42/100).

Frequently asked questions
Which is better: the Realme P3x or the Vivo X300s?

The Vivo X300s significantly outperforms the Realme P3x by 43 points (89/100 vs 46/100).

What is the rating of the Realme P3x and the Vivo X300s?

The Realme P3x has a MobileRank rating of 46/100, the Vivo X300s — 89/100.

Which has the better camera: the Realme P3x or the Vivo X300s?

The Vivo X300s leads on camera score (94/100 vs 31/100).

Which is more powerful: the Realme P3x or the Vivo X300s?

The Vivo X300s leads on performance (94/100 vs 44/100).

Should you choose the Realme P3x over the Vivo X300s?

The Realme P3x is a better fit for everyday use. The Vivo X300s is a better fit for gamers and power users, mobile photography enthusiasts, those who care about battery life.