Oneplus 6T vs Samsung S9 – Check Which One Is Best & Why?

Samsung Galaxy S9 & OnePlus 6T 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 6T.

Why Do I Recommend The Samsung Galaxy S9?

  • The Samsung Galaxy S9 has a QHD+ Super AMOLED display for delivering sharper text, finer image detail, and better clarity during reading and video playback, while the OnePlus 6T uses a lower-resolution FHD+ Optic AMOLED display.
  • Samsung Galaxy S9 supports wireless charging for enabling convenient cable-free power top-ups on compatible pads at desks and bedside tables, whereas the OnePlus 6T comes with wired charging only.
  • It comes with a 3.5 mm headphone jack for allowing direct use of wired headphones and external audio equipment without adapters, whereas the OnePlus 6T omits the headphone jack.
  • The Samsung Galaxy S9 features a variable-aperture rear camera to adapt better to bright and low-light conditions for more consistent photo results, while the OnePlus 6T uses a fixed-aperture camera system.
  • Samsung Galaxy S9 supports expandable microSD storage for increasing total storage capacity without replacing the device, while the OnePlus 6T comes with fixed internal storage.
  • It includes an iris scanner for providing an additional secure biometric unlocking method in low-light or hands-free situations, while the OnePlus 6T relies on camera-based face unlock.
  • The Samsung Galaxy S9 features stereo speakers tuned by AKG for clearer vocals and more balanced sound during media playback and calls, whereas the OnePlus 6T comes with standard stereo speakers without AKG tuning.
  • It includes an IP68 water and dust resistance rating for protecting the phone during rain exposure, accidental splashes, and short submersion, while the OnePlus 6T has no official water resistance certification.

Maybe the OnePlus 6T 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

FeatureSamsung Galaxy S9OnePlus 6T
Display typeSuper AMOLEDOptic AMOLED
Display resolution2960×14402340×1080
Pixel density~570 ppi~402 ppi
Display curvatureCurvedFlat
HDR supportHDR10None
CPU variantsExynos 9810 / Snapdragon 845Snapdragon 845
Expandable storagemicroSDNone
Aperture designVariable f/1.5-f/2.4Fixed f/1.7
Front camera AFYesNo
Iris scannerYesNo
Face unlock typeIris + IRSoftware only
Headphone jackYesNo
Wireless chargingYesNo
Water resistance ratingIP68None
Weight163 g185 g
Software UI at launchSamsung ExperienceOxygenOS
PriceCheck Samsung S9 PriceCheck OnePlus 6T Price

What Common Both Can Do?

  • Operating system: Both smartphones run on Android, allowing access to the same app ecosystem, Google services, and system-level customization options. This ensures compatibility with a wide range of applications and long-term usability.
  • AMOLED display technology: Each device uses AMOLED panel technology, which delivers deep blacks, high contrast, and vibrant colors. This improves visual clarity while also helping with power efficiency compared to LCD panels.
  • Touchscreen: Both models feature capacitive touchscreens that support multi-touch gestures. This allows smooth navigation, accurate input, and responsive interaction across apps and games.
  • Always-on display: Each phone includes an always-on display feature that shows time and notifications while the screen is locked. This enables quick information access without fully waking the device.
  • Fingerprint authentication: Both devices support fingerprint-based unlocking for secure and fast access. This adds a convenient biometric security layer for everyday use.
  • Face unlock: Samsung Galaxy S9 and OnePlus 6T both include face unlock functionality. This provides an alternative biometric method for quickly unlocking the phone.
  • Rear autofocus camera: Both smartphones have rear cameras with autofocus capability. This ensures sharper images by automatically adjusting focus based on subject distance.
  • Optical image stabilization: Each device supports optical image stabilization in the rear camera. This helps reduce motion blur in photos and improves video stability.
  • 4K video recording: Both phones can record video at 4K resolution. This allows users to capture highly detailed footage suitable for large displays or editing.
  • LED flash: Both models include an LED flash for low-light photography. This improves image clarity when shooting in dark environments.
  • USB Type-C port: Samsung Galaxy S9 and OnePlus 6T both use USB Type-C for charging and data transfer. This ensures faster speeds and reversible cable convenience.
  • Fast wired charging: Each phone supports fast charging over a wired connection. This reduces downtime by allowing quicker battery top-ups.
  • Glass back panel: Both devices feature glass backs, giving them a premium feel and allowing for modern design aesthetics. Glass construction also supports better signal transmission.
  • Aluminum frame: Each phone uses an aluminum frame for structural support. This provides durability while keeping the device lightweight.
  • Stereo speakers: Both smartphones are equipped with stereo speaker setups. This enhances media playback by delivering wider and louder sound output.
  • Bluetooth: Both devices support Bluetooth 5.0 connectivity. This improves wireless stability, range, and efficiency with compatible accessories.
  • NFC: Samsung Galaxy S9 and OnePlus 6T both include NFC support. This enables contactless payments and quick device pairing.
  • Dual SIM support: Both phones support dual SIM functionality in certain regions. This is useful for managing personal and work numbers on a single device.
  • GPS: Each device includes GPS for navigation and location services. This supports accurate mapping, tracking, and location-based apps.

Common Features

FeatureSamsung Galaxy S9OnePlus 6T
Operating systemAndroidAndroid
AMOLED display technologyYesYes
TouchscreenCapacitiveCapacitive
Always-on displayYesYes
Fingerprint authenticationYesYes
Face unlockYesYes
Rear autofocus cameraYesYes
Optical image stabilizationYesYes
4K video recordingYesYes
LED flashYesYes
USB Type-C portYesYes
Fast wired chargingYesYes
Glass back panelYesYes
Aluminum frameYesYes
Stereo speakersYesYes
Bluetooth5.05.0
NFCYesYes
Dual SIM supportYesYes
GPSYesYes
Price Check Samsung S9 Price
Check OnePlus 6T Price

FAQ

Which phone has the better overall display quality?
The Samsung Galaxy S9 delivers a sharper visual experience due to its higher QHD+ resolution and curved Super AMOLED panel, while the OnePlus 6T uses a larger but lower-resolution Optic AMOLED display that prioritizes size over pixel density.

Which device performs better in daily use?
Both phones use the Snapdragon 845 in some regions, providing similar day-to-day performance, but the OnePlus 6T often feels smoother thanks to higher RAM options and lighter OxygenOS software.

Is battery life better on the Samsung Galaxy S9 or the OnePlus 6T?
The OnePlus 6T generally lasts longer on a single charge because it has a significantly larger 3700 mAh battery compared to the 3000 mAh battery in the Galaxy S9.

Do both phones support fast charging?
Yes, both devices support fast wired charging, although the OnePlus 6T charges faster overall due to its higher charging wattage.

Does either phone support wireless charging?
Only the Samsung Galaxy S9 supports wireless charging, while the OnePlus 6T does not include this feature.

Which phone is better for photography?
The Galaxy S9 excels in low-light photography due to its variable aperture and optical image stabilization, whereas the OnePlus 6T benefits from a dual-camera setup mainly for depth sensing.

Do both phones record 4K video?
Yes, both the Samsung Galaxy S9 and the OnePlus 6T support 4K video recording, allowing high-resolution video capture on either device.

Is expandable storage available on both phones?
Expandable storage is only available on the Samsung Galaxy S9 through a microSD card slot, while the OnePlus 6T relies solely on internal storage.

Which phone has better audio features?
The Samsung Galaxy S9 offers stereo speakers tuned by AKG and includes a 3.5 mm headphone jack, while the OnePlus 6T lacks a headphone jack and has more basic audio tuning.

Do both phones support fingerprint unlocking?
Yes, both phones support fingerprint unlocking, but the Galaxy S9 uses a rear-mounted sensor whereas the OnePlus 6T uses an in-display optical fingerprint scanner.

Is face unlock available on both devices?
Yes, both phones include face unlock, though the Galaxy S9 adds extra security with iris scanning hardware, while the OnePlus 6T relies on camera-based face recognition.

Are both phones water resistant?
Only the Samsung Galaxy S9 has official IP68 water and dust resistance, while the OnePlus 6T does not carry an official water resistance rating.

Which phone has the cleaner software experience?
The OnePlus 6T is widely considered to have a cleaner and closer-to-stock Android experience with OxygenOS, while the Galaxy S9 uses Samsung’s more feature-heavy interface.

Do both phones support modern connectivity features?
Yes, both devices support USB-C, Bluetooth 5.0, NFC, GPS, and fast LTE connectivity, ensuring compatibility with modern accessories and services.

Which phone is more future-proof for storage and multitasking?
The OnePlus 6T is more future-proof in this regard due to its higher RAM and larger internal storage options, while the Galaxy S9 compensates with expandable storage support.