Samsung Galaxy S9 & OnePlus 6 share many similarities, but there are also important differences, such as quality, performance, features, design, and connectivity. If you want the best one between them, I Would recommend the Samsung Galaxy S9 rather than the OnePlus 6.
Why Do I Recommend The Samsung Galaxy S9?
- The Samsung Galaxy S9 has a QHD+ Super AMOLED display for sharper text, finer image detail, and clearer VR and media viewing, whereas the OnePlus 6 uses a lower-resolution FHD+ Optic AMOLED display.
- Samsung Galaxy S9 includes a variable-aperture 12 MP rear camera for improved low-light photography and better exposure control across different lighting conditions, while the OnePlus 6 uses a fixed-aperture main camera.
- It supports wireless charging for more convenient cable-free power top-ups on compatible charging pads, whereas the OnePlus 6 supports wired charging only.
- The Samsung Galaxy S9 features super slow-motion video recording at 960 fps for capturing dramatic high-speed moments with extreme detail, whereas the OnePlus 6 does not support super slow-motion capture.
- Samsung Galaxy S9 includes a dedicated audio DAC and AKG-tuned stereo speakers for cleaner sound output and better wired headphone performance, while the OnePlus 6 uses a standard audio configuration.
- It supports expandable storage via a microSD card for flexible capacity upgrades without replacing the device, whereas the OnePlus 6 relies only on fixed internal storage.
- The Samsung Galaxy S9 includes iris scanning alongside fingerprint authentication for additional secure and fast biometric unlocking options, whereas the OnePlus 6 relies primarily on fingerprint and basic face unlock.
- Samsung Galaxy S9 comes with IP68 water and dust resistance for greater protection against spills, rain, and accidental submersion, while the OnePlus 6 has no official water-resistance rating.
Maybe the OnePlus 6 can make you comfortable because it’s a little bit cheaper than the Samsung Galaxy S9. But you have to compromise all the above-mentioned features. Now the Decision is Yours. I hope it was helpful to choose the right one.
Side-by-Side Comparison
| Feature | Samsung Galaxy S9 | OnePlus 6 |
| Display Resolution | 2960×1440 | 2280×1080 |
| Display Panel | Super AMOLED | Optic AMOLED |
| Pixel Density | ~570 ppi | ~402 ppi |
| HDR Support | HDR10 | None |
| Processor (Global) | Exynos 9810 | Snapdragon 845 |
| Expandable Storage | microSD | None |
| Variable Aperture | f/1.5–f/2.4 | Not supported |
| Super Slow Motion | 960 fps @ 720p | Not supported |
| Wireless Charging | Supported | Not supported |
| Water Resistance | IP68 | None |
| Audio Tuning | AKG-tuned stereo | Standard stereo |
| Dedicated Audio DAC | Yes | No |
| Biometric Options | Iris + fingerprint | Fingerprint only |
| Weight | 163 g | 177 g |
| Dedicated Assistant Button | Bixby button | None |
| Price | Check Samsung S9 Price | Check OnePlus 6 Price |
What Common Both Can Do?
- Launch Year: Both smartphones were released in 2018, placing them in the same generation of flagship Android devices. This means they were designed to compete directly with similar performance expectations and feature sets of that time.
- Operating System at Launch: Each device launched with Android 8.x, ensuring access to modern Android features such as improved notifications, background app limits, and enhanced security controls. This provided a comparable software foundation for early users.
- Processor Class: Both phones use processors from the Snapdragon 845 performance class, delivering flagship-level CPU and GPU capabilities. This allows smooth multitasking, gaming, and long-term usability across demanding applications.
- Manufacturing Process: The 10 nm fabrication process used in both chipsets helps balance performance and power efficiency. This contributes to stable thermal behavior and consistent everyday performance.
- Display Technology: Each device uses AMOLED display technology, enabling deep blacks, high contrast ratios, and vivid colors. This improves media consumption and overall visual clarity.
- Display Refresh Rate: Both displays run at a 60 Hz refresh rate, ensuring smooth scrolling and consistent animations across the user interface. This was the standard for flagship smartphones at the time.
- Touchscreen Type: Capacitive touchscreens on both models provide accurate multi-touch input and responsive gesture control. This ensures reliable interaction for typing, navigation, and gaming.
- Glass Protection: Gorilla Glass 5 is used on both phones, improving resistance to scratches and minor drops. This adds durability to daily use without compromising design.
- Rear Camera OIS: Optical image stabilization is present on both rear cameras, helping reduce blur from hand movement. This improves photo sharpness and video stability, especially in low-light situations.
- 4K Video Recording: Each phone supports 4K video recording at up to 60 frames per second. This enables high-resolution, smooth video capture suitable for professional or enthusiast use.
- Front Camera: Both devices include a front-facing camera for selfies and video calls. This supports modern communication and social media use cases.
- Fingerprint Sensor: Fingerprint authentication is available on both phones, allowing fast and secure device unlocking. This improves convenience while maintaining user privacy.
- USB Port: USB Type-C is used on both models, supporting faster data transfer and reversible plug orientation. This standard improves charging and accessory compatibility.
- Fast Wired Charging: Each phone supports fast wired charging, reducing the time required to recharge the battery. This is particularly useful for users with heavy daily usage.
- Stereo Speakers: Both devices feature stereo speaker setups, delivering louder and more immersive audio output. This enhances video playback, gaming, and speakerphone calls.
- Headphone Jack: A 3.5 mm headphone jack is present on both phones, allowing direct use of wired headphones without adapters. This remains valuable for audio quality and compatibility.
- Bluetooth Version: Bluetooth 5.0 support on both devices improves wireless range, connection stability, and audio performance. This benefits wireless headphones and accessories.
- Wi-Fi Standard: Both phones support dual-band 802.11 a/b/g/n/ac Wi-Fi, ensuring fast and reliable wireless connectivity. This enhances streaming, downloads, and online gaming.
- NFC: NFC support is included on both models, enabling contactless payments and quick device pairing. This expands everyday convenience and functionality.
- Glass Back Design: Both smartphones use a glass back panel, allowing for a premium feel and support for modern antenna design. This also contributes to a high-end aesthetic consistent with flagship devices.
Common Features
| Feature | Samsung Galaxy S9 | OnePlus 6 |
| Launch Year | 2018 | 2018 |
| Operating System at Launch | Android 8.x | Android 8.x |
| Processor Class | Snapdragon 845 class | Snapdragon 845 |
| Manufacturing Process | 10 nm | 10 nm |
| Display Technology | AMOLED | AMOLED |
| Display Refresh Rate | 60 Hz | 60 Hz |
| Touchscreen Type | Capacitive | Capacitive |
| Glass Protection | Gorilla Glass 5 | Gorilla Glass 5 |
| Rear Camera OIS | Yes | Yes |
| 4K Video Recording | 4K @ 60 fps | 4K @ 60 fps |
| Front Camera | Yes | Yes |
| Fingerprint Sensor | Yes | Yes |
| USB Port | USB Type-C | USB Type-C |
| Fast Wired Charging | Yes | Yes |
| Stereo Speakers | Yes | Yes |
| Headphone Jack | Yes | Yes |
| Bluetooth Version | Bluetooth 5.0 | Bluetooth 5.0 |
| Wi-Fi Standard | 802.11 a/b/g/n/ac | 802.11 a/b/g/n/ac |
| NFC | Yes | Yes |
| Glass Back Design | Yes | Yes |
| Price | Check Samsung S9 Price | Check OnePlus 6 Price |
FAQ
Is the Samsung Galaxy S9 still usable today compared to the OnePlus 6? Which phone has better overall performance, the Samsung Galaxy S9 or the OnePlus 6? How do the displays compare between the Samsung Galaxy S9 and the OnePlus 6? Which phone is better for photography, Samsung Galaxy S9 or OnePlus 6? Do both phones support 4K video recording? Which device has better battery life? Is wireless charging available on both phones? How do the charging speeds compare between the two devices? Do both phones support expandable storage? Which phone has better audio features? Are both devices water resistant? How do biometric features differ between the Samsung Galaxy S9 and OnePlus 6? Which phone has better software experience? Are both phones suitable for gaming? Which phone is the better choice overall today? |