Poco X8 Power vs Vivo X300 Ultra

The Poco X8 Power (2026) runs on the Qualcomm Snapdragon 6 Gen 5, while the Vivo X300 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite Gen 5; launch prices were $360 and $950. By overall MobileRank rating, the Vivo X300 Ultra leads — 91/100 vs 60/100 (a 31-point difference). Key differences: the Poco X8 Power has the bigger battery (10000 mAh vs 7000); the main camera is 50 MP vs 200 MP; the Vivo X300 Ultra is faster in AnTuTu (4,247,433 vs 1,010,104); the Vivo X300 Ultra has NFC for contactless payments, the Poco X8 Power doesn't.

The Vivo X300 Ultra significantly outperforms the Poco X8 Power by 31 points (91/100 vs 60/100).

Profile comparison

Category scores

Poco X8 Power

Performance 59
Display 84
Camera 40
Battery 80
Portability 35
Value for money 52

Vivo X300 Ultra

Performance 99
Display 89
Camera 96
Battery 85
Portability 39
Value for money 94

What makes Poco X8 Power better?

  • Bigger battery: 10000 vs 7000 mAh
  • Lighter: 229g vs 230g
  • Cheaper at launch: $360 vs $950

  • Overall rating 60/100

What makes Vivo X300 Ultra better?

  • Higher AnTuTu: 4247433 vs 1010104
  • Better Geekbench Single: 3639 vs 1099
  • Better Geekbench Multi: 11047 vs 3481
  • Better main camera: 200MP vs 50MP

  • Higher performance (99/100 vs 59/100)
  • Better camera (96/100 vs 40/100)
  • Longer battery life (85/100 vs 80/100)
  • Better display (89/100 vs 84/100)
  • Better portability (39/100 vs 35/100)

Comparison verdict

Comparing the Poco X8 Power vs the Vivo X300 Ultra, the Vivo X300 Ultra scores 31 points higher (91/100 vs 60/100). In the "performance" category, the Vivo X300 Ultra leads (99/100 vs 59/100). In the "camera" category, the Vivo X300 Ultra leads (96/100 vs 40/100). Value score: Poco X8 Power — 52/100, Vivo X300 Ultra — 94/100; it shows how far a model sits above or below the usual level for its price, and is not part of the overall rating. In the "performance" category, the Vivo X300 Ultra significantly outperforms the Poco X8 Power (99/100 vs 59/100). In the "display" category, the Vivo X300 Ultra is a bit better (89/100 vs 84/100). In the "camera" category, the Vivo X300 Ultra significantly outperforms the Poco X8 Power (96/100 vs 40/100). In the "battery" category, the Vivo X300 Ultra is a bit better (85/100 vs 80/100). In the "portability" category, the Vivo X300 Ultra and the Poco X8 Power are nearly equal (39/100 vs 35/100).

Poco X8 Power: The Poco X8 Power is a better fit for those who care about battery life.
Vivo X300 Ultra: The Vivo X300 Ultra is a better fit for gamers and power users, mobile photography enthusiasts, those who care about battery life, budget-conscious buyers.

Specs comparison

Specification Poco X8 Power Vivo X300 Ultra
Processor Qualcomm Snapdragon 6 Gen 5 Qualcomm Snapdragon 8 Elite Gen 5
AnTuTu 1010104 4247433
Geekbench Single 1099 3639
Geekbench Multi 3481 11047
Display 6.8" AMOLED 6.8" LTPO OLED
Resolution 1280x2772 3168x1440
Refresh rate 120 Hz 120 Hz
Battery 10000 mAh 7000 mAh
Charging 100W 100W
Wireless charging 0W 40W
DXOMark (camera) — 170
Main camera 50 MP 200 MP
Ultrawide 8 MP 50 MP
Telephoto 0 MP 200 MP
Front camera 32 MP 32 MP
RAM 8GB 12GB / 16GB
Storage 128GB / 256GB 256GB / 512GB / 1TB
OS Android 16 Android 16
Brightness (peak) 3500 nits —
NFC no yes
Protection IP68/IP69K IP69
Dimensions 163.4×78.3×8.6 mm 163.0×76.8×8.2 mm
Weight 229 g 230 g
Launch price $360 $950

Camera comparison

Poco X8 Power

  • Main: 50MP f/1.5
  • Ultrawide: 8MP
  • Front: 32MP
40
camera

Vivo X300 Ultra

  • Main: 200MP f/1.6
  • Ultrawide: 50MP
  • Telephoto: 200MP
  • Front: 32MP
96
camera

Display comparison

Poco X8 Power

  • 6.8" AMOLED
  • Resolution: 1280x2772
  • Refresh rate: 120 Hz
84
display

Vivo X300 Ultra

  • 6.8" LTPO OLED
  • Resolution: 3168x1440
  • Refresh rate: 120 Hz
89
display

Battery and charging

Poco X8 Power

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

Vivo X300 Ultra

  • 7000 mAh
  • NanoReview test: web browsing 10:18 hrs, total 29:11 hrs
  • Wired: 100W
  • Wireless: 40W
85
battery

Overall performance score

We compared Poco X8 Power and Vivo X300 Ultra, covering their specs and all relevant benchmarks.

Poco X8 Power Qualcomm Snapdragon 6 Gen 5
60/100
1010104 AnTuTu
Vivo X300 Ultra Qualcomm Snapdragon 8 Elite Gen 5
91/100 +76.2%
4247433 AnTuTu

Vivo X300 Ultra leads Poco X8 Power by 76.2% in our overall performance rating.

Benchmarks

Launch prices and where to check today's

Poco X8 Power

$360

Vivo X300 Ultra

$950

Launch price difference: $590. Poco X8 Power was $590 cheaper at launch.

Detailed category analysis

performance

In the "performance" category, the Vivo X300 Ultra significantly outperforms the Poco X8 Power (99/100 vs 59/100).

display

In the "display" category, the Vivo X300 Ultra is a bit better (89/100 vs 84/100).

camera

In the "camera" category, the Vivo X300 Ultra significantly outperforms the Poco X8 Power (96/100 vs 40/100).

battery

In the "battery" category, the Vivo X300 Ultra is a bit better (85/100 vs 80/100).

portability

In the "portability" category, the Vivo X300 Ultra and the Poco X8 Power are nearly equal (39/100 vs 35/100).

Frequently asked questions

Which is better: the Poco X8 Power or the Vivo X300 Ultra?

The Vivo X300 Ultra significantly outperforms the Poco X8 Power by 31 points (91/100 vs 60/100).

What is the rating of the Poco X8 Power and the Vivo X300 Ultra?

The Poco X8 Power has a MobileRank rating of 60/100, the Vivo X300 Ultra — 91/100.

Which has the better camera: the Poco X8 Power or the Vivo X300 Ultra?

The Vivo X300 Ultra leads on camera score (96/100 vs 40/100).

Which is more powerful: the Poco X8 Power or the Vivo X300 Ultra?

The Vivo X300 Ultra leads on performance (99/100 vs 59/100).

Should you choose the Poco X8 Power over the Vivo X300 Ultra?

The Poco X8 Power is a better fit for those who care about battery life. The Vivo X300 Ultra is a better fit for gamers and power users, mobile photography enthusiasts, those who care about battery life, budget-conscious buyers.