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Oppo Find X9s vs Vivo X300 FE vs OnePlus 15: Which Premium Flagship Smartphone is Best in 2026?

The premium smartphone segment in India has become more competitive with the launch of the new Oppo Find X9s. The latest flagship from OPPO brings a compact premium design, Hasselblad-tuned cameras, and a massive battery to challenge rivals like the Vivo X300 FE and OnePlus 15.

While the Vivo X300 FE focuses on camera quality and long-term software support, the OnePlus 15 delivers flagship-level performance, AI-powered features, and ultra-fast charging. With all three smartphones competing in a similar premium price range, buyers may find it difficult to choose the right one. Here’s a detailed comparison of the Oppo Find X9s vs Vivo X300 FE vs OnePlus 15 based on price, specifications, features, camera, battery, and performance.

Oppo Find X9s vs Vivo X300 FE vs OnePlus 15 Price in India

Oppo Find X9s Price

Oppo Find X9s starts at Rs. 79,999 for the 12GB + 256GB variant, while the 12GB + 512GB model is priced at Rs. 89,999. The smartphone is available in Lavender Sky, Midnight Grey, and Sunset Orange colour options.

Vivo X300 FE Price

Vivo X300 FE is priced at Rs. 79,999 for the 12GB + 256GB configuration. The 12GB + 512GB version costs Rs. 89,999. Buyers can choose from Lilac Purple, Noir Black, and Urban Olive colour variants.

OnePlus 15 Price

OnePlus 15 comes with a starting price of Rs. 72,999 for the 12GB + 256GB model. The top-end 16GB + 512GB variant is priced at Rs. 79,999, making it the most affordable flagship among the three.

Display and Software Comparison

Oppo Find X9s

The Oppo Find X9s features a 6.59-inch Full-HD+ AMOLED display with a 120Hz refresh rate, 460ppi pixel density, and up to 1,800 nits peak brightness. The screen is protected by Gorilla Glass 7i. The phone runs Android 16-based ColorOS 16 and comes with IP66, IP68, and IP69 ratings for water and dust resistance.

Vivo X300 FE

The Vivo X300 FE sports a compact 6.31-inch AMOLED display with HDR10+ support, 120Hz refresh rate, and an impressive 5,000 nits peak brightness. It runs Android 16-based OriginOS 6. Vivo also promises five years of Android updates and seven years of security updates.

OnePlus 15

The OnePlus 15 features a larger 6.78-inch QHD+ AMOLED display with an adaptive refresh rate ranging from 1Hz to 165Hz. It supports Eye Comfort features, Sun Display technology, and Motion Cues. The phone runs Android 16-based OxygenOS 16.

Processor and Battery Comparison

Oppo Find X9s

Oppo Find X9s is powered by the MediaTek Dimensity 9500s chipset paired with 12GB LPDDR5x RAM and UFS 4.1 storage. The smartphone packs a massive 7,025mAh battery with 80W wired fast charging support.

Vivo X300 FE

Vivo X300 FE is powered by Qualcomm’s Snapdragon 8 Gen 5 processor with Adreno 829 GPU. The device includes a 6,500mAh battery with support for 90W wired charging and 40W wireless charging.

OnePlus 15

OnePlus 15 runs on the Snapdragon 8 Elite Gen 5 processor, which is currently among the fastest flagship chipsets available. The device includes up to 16GB RAM, advanced cooling hardware, and a huge 7,300mAh battery with 120W SuperVOOC wired charging and 50W wireless charging support.

Camera Comparison

Oppo Find X9s

The Oppo Find X9s comes with a Hasselblad-tuned triple rear camera setup featuring:

  • 50MP primary sensor with OIS
  • 50MP ultrawide camera
  • 50MP periscope telephoto lens

It also includes a 32MP front-facing camera and supports 4K 60fps video recording.

Vivo X300 FE

The Vivo X300 FE offers a Zeiss-branded triple rear camera system with:

  • 50MP Sony IMX921 primary sensor
  • 50MP telephoto camera with OIS
  • 8MP ultrawide sensor

The phone also includes a 50MP autofocus selfie camera and supports 4K 60fps video recording.

OnePlus 15

The OnePlus 15 features a triple 50MP camera setup powered by the DetailMax Image Engine. It supports:

  • 8K video recording at 30fps
  • 4K video recording at 120fps
  • 32MP Sony IMX709 selfie camera

Oppo Find X9s vs Vivo X300 FE vs OnePlus 15: Which Phone Should You Buy?

If you want the best overall flagship performance, biggest battery, and fastest charging, the OnePlus 15 stands out as the strongest option.

If camera quality and long-term software support are your priorities, the Vivo X300 FE is a better choice.

Meanwhile, the Oppo Find X9s offers a balanced flagship experience with a compact design, versatile Hasselblad cameras, and a large battery.

Quick Specifications Comparison

Feature Oppo Find X9s Vivo X300 FE OnePlus 15
Display 6.59-inch AMOLED 6.31-inch AMOLED 6.78-inch AMOLED
Processor MediaTek Dimensity 9500s Snapdragon 8 Gen 5 Snapdragon 8 Elite Gen 5
Battery 7,025mAh 6,500mAh 7,300mAh
Charging 80W Fast Charging 90W + Wireless Charging 120W + Wireless Charging
Camera Triple 50MP Cameras Triple Camera Setup Triple 50MP Cameras
Operating System Android 16 Android 16 Android 16
Starting Price Rs. 79,999 Rs. 79,999 Rs. 72,999

FAQs

Which phone has the brightest display?

Vivo X300 FE offers the highest peak brightness at up to 5,000 nits.

Which smartphone has the biggest battery?

OnePlus 15 packs the largest 7,300mAh battery among the three devices.

Which phone delivers the best performance?

Thanks to the Snapdragon 8 Elite Gen 5 chipset and advanced cooling system, OnePlus 15 delivers the best overall flagship performance.

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