OPPO K15 Pro+ vs Vivo X300s

The OPPO K15 Pro+ (2026) runs on the MediaTek Dimensity 9500s, while the Vivo X300s (2026) runs on the Dimensity 9500; estimated prices are $509 and $723. By overall MobileRank rating, the Vivo X300s leads — 89/100 vs 71/100 (a 18-point difference). Key differences: the OPPO K15 Pro+ has the bigger battery (8000 mAh vs 7100); the main camera is 50 MP vs 200 MP; the Vivo X300s is faster in AnTuTu (3,703,823 vs 3,121,723).

The Vivo X300s is noticeably better than the OPPO K15 Pro+ — the overall rating gap is 18 points.
Profile comparison
Category scores
OPPO K15 Pro+
Performance 89
Display 94
Camera 35
Battery 75
Portability 44
Value for money 66
Vivo X300s
Performance 94
Display 94
Camera 94
Battery 83
Portability 42
Value for money 90
What makes OPPO K15 Pro+ better?
  • Bigger battery: 8000 vs 7100 mAh
  • Faster charging: 100W vs 90W
  • Higher refresh rate: 165Hz vs 144Hz
  • Cheaper: $509 vs $723

  • Better portability (44/100 vs 42/100)
What makes Vivo X300s better?
  • Higher AnTuTu: 3703823 vs 3121723
  • Better Geekbench Single: 3228 vs 2680
  • Better Geekbench Multi: 9553 vs 8358
  • Better main camera: 200MP vs 50MP
  • Lighter: 217g vs 219g

  • Higher performance (94/100 vs 89/100)
  • Better camera (94/100 vs 35/100)
  • Longer battery life (83/100 vs 75/100)
  • Better value for money (90/100 vs 66/100)
Comparison verdict

Comparing the OPPO K15 Pro+ vs the Vivo X300s, the Vivo X300s scores 18 points higher (89/100 vs 71/100). In the "camera" category, the Vivo X300s leads (94/100 vs 35/100). In the "value for money" category, the Vivo X300s leads (90/100 vs 66/100). In the "performance" category, the Vivo X300s is a bit better (94/100 vs 89/100). In the "display" category, both devices are on the same level — 94/100. In the "camera" category, the Vivo X300s significantly outperforms the OPPO K15 Pro+ (94/100 vs 35/100). In the "battery" category, the Vivo X300s is a bit better (83/100 vs 75/100). In the "portability" category, the OPPO K15 Pro+ and the Vivo X300s are nearly equal (44/100 vs 42/100). In the "value for money" category, the Vivo X300s notably outperforms the OPPO K15 Pro+ (90/100 vs 66/100).

OPPO K15 Pro+: The OPPO K15 Pro+ is a better fit for gamers and power users, those who care about battery life.
Vivo X300s: The Vivo X300s is a better fit for gamers and power users, mobile photography enthusiasts, those who care about battery life, budget-conscious buyers.
Specs comparison
Specification OPPO K15 Pro+ Vivo X300s
Processor MediaTek Dimensity 9500s Dimensity 9500
AnTuTu 3121723 3703823
Geekbench Single 2680 3228
Geekbench Multi 8358 9553
Display 6.8" AMOLED 6.8" LTPO AMOLED
Resolution 2772x1272 2800x1260
Refresh rate 165 Hz 144 Hz
Battery 8000 mAh 7100 mAh
Charging 100W 90W
Wireless charging 0W 40W
Main camera 50 MP 200 MP
Ultrawide 8 MP 50 MP
Telephoto 0 MP 50 MP
Front camera 16 MP 50 MP
RAM 12GB 12GB / 16GB
Storage 256GB / 512GB 256GB / 512GB / 1TB
OS Android 16 Android 16 / OriginOS 6
Brightness (peak) 1800 nits
NFC yes
Protection IP68
Dimensions 162.4×77.5×8.3 mm
Weight 219 g 217 g
Price $509 $723
Camera comparison
OPPO K15 Pro+
  • Main: 50MP f/f/1.8
  • Ultrawide: 8MP
  • Front: 16MP
35
camera
Vivo X300s
  • Main: 200MP f/f/1.7
  • Ultrawide: 50MP
  • Telephoto: 50MP
  • Front: 50MP
94
camera
Display comparison
OPPO K15 Pro+
  • 6.8" AMOLED
  • Resolution: 2772x1272
  • Refresh rate: 165 Hz
94
display
Vivo X300s
  • 6.8" LTPO AMOLED
  • Resolution: 2800x1260
  • Refresh rate: 144 Hz
94
display
Battery and charging
OPPO K15 Pro+
  • 8000 mAh
  • Wired: 100W
  • No wireless charging
75
battery
Vivo X300s
  • 7100 mAh
  • Wired: 90W
  • Wireless: 40W
83
battery
Overall performance score

We compared OPPO K15 Pro+ and Vivo X300s, covering their specs and all relevant benchmarks.

OPPO K15 Pro+ MediaTek Dimensity 9500s
71/100
3121723 AnTuTu
Vivo X300s Dimensity 9500
89/100 +15.7%
3703823 AnTuTu

Vivo X300s leads OPPO K15 Pro+ by 15.7% in our overall performance rating.

Benchmarks
Price and availability
OPPO K15 Pro+
$509
Vivo X300s
$723

Price difference: $214. OPPO K15 Pro+ is cheaper by $214.

Detailed category analysis
performance

In the "performance" category, the Vivo X300s is a bit better (94/100 vs 89/100).

display

In the "display" category, both devices are on the same level — 94/100.

camera

In the "camera" category, the Vivo X300s significantly outperforms the OPPO K15 Pro+ (94/100 vs 35/100).

battery

In the "battery" category, the Vivo X300s is a bit better (83/100 vs 75/100).

portability

In the "portability" category, the OPPO K15 Pro+ and the Vivo X300s are nearly equal (44/100 vs 42/100).

value for money

In the "value for money" category, the Vivo X300s notably outperforms the OPPO K15 Pro+ (90/100 vs 66/100).

Frequently asked questions
Which is better: the OPPO K15 Pro+ or the Vivo X300s?

The Vivo X300s is noticeably better than the OPPO K15 Pro+ — the overall rating gap is 18 points.

What is the rating of the OPPO K15 Pro+ and the Vivo X300s?

The OPPO K15 Pro+ has a MobileRank rating of 71/100, the Vivo X300s — 89/100.

Which has the better camera: the OPPO K15 Pro+ or the Vivo X300s?

The Vivo X300s leads on camera score (94/100 vs 35/100).

Which is more powerful: the OPPO K15 Pro+ or the Vivo X300s?

The Vivo X300s leads on performance (94/100 vs 89/100).

Should you choose the OPPO K15 Pro+ over the Vivo X300s?

The OPPO K15 Pro+ is a better fit for gamers and power users, those who care about battery life. The Vivo X300s is a better fit for gamers and power users, mobile photography enthusiasts, those who care about battery life, budget-conscious buyers.