Buzz
Both devices feature a 5.5-inch screen and a metal body; however, the Oppo is slimmer and lighter. On the other hand, the J7 Prime excels in optimizing length and width, providing a more comfortable grip. With its narrower profile and contoured back, the J7 Prime feels snug in hand.
On the front, both devices sport a fingerprint sensor embedded in the Home button and a 2.5D curved screen. There's a difference in how the fingerprint sensors operate. Samsung's sensor is always on, instantly recognizing a touch, while Oppo's sensor requires a gentle press to activate. Nevertheless, Oppo F1s' sensor is highly responsive, unlocking the screen immediately upon touch. In terms of sensitivity, F1s' sensor is slightly more responsive.
The build quality of both products is relatively impressive. The ports and physical buttons are neatly cut, and the seams between different materials are seamlessly integrated, leaving minimal gaps. Each device has its own design language, catering to the preferences of individual users.
In conclusion: a tough call to declare a winner.
Display
Looking at the specifications, it's evident that the J7 Prime outshines the Oppo F1s in detail with a pixel density of 401 PPI compared to 267 PPI. VnReview's screen measurement results also show that Samsung's phone displays deeper blacks and higher contrast. Although the J7 Prime's maximum brightness is measured lower than the F1s, Samsung's phone has an auto-brightness feature that pushes it higher than the manually set maximum brightness when used outdoors. Therefore, the actual maximum brightness of the J7 Prime is higher than the manually set maximum brightness.
Screen measurement results for J7 Prime - Oppo F1s and some devices in the same price range.
The basic colors displayed on the J7 Prime are quite accurate, closely resembling the standard colors.
Oppo F1s exhibits more color deviation in basic display compared to J7 Prime.
However, the most significant difference between the two screens lies not in detail or brightness but in color reproduction. J7 Prime displays colors closer to the standard, appearing somewhat subdued, while the colors on Oppo F1s are tuned bolder, looking more eye-catching.
In terms of viewing angles, F1s' screen has a noticeably wider range compared to J7 Prime. When viewed from an angled perspective, colors and brightness on Oppo's product remain almost unchanged, while J7 Prime undergoes significant alterations.
In conclusion: Galaxy J7 wins due to its more accurate color reproduction and higher detail.
Software
Both current devices come pre-installed with Android 6, accompanied by their respective custom software: Color OS V3.0 for Oppo F1s and TouchWiz for J7 Prime. The software interfaces of the two devices have some differences; Oppo opts for an app drawer-less approach, bringing everything to the main screen, while Samsung maintains the traditional Android app drawer. The pre-installed apps on both devices occupy a similar amount of memory, leaving around 25GB of internal storage space on each device.
In terms of software, each device has its unique features. Oppo offers a security software to encrypt apps and gesture controls for screen on/off and during calls, which are quite useful. Samsung, on the other hand, includes notable features like the S Bike app for safe motorcycle riding, the Galaxy Gifts app, and integrated Microsoft Office software. In conclusion: a tough call to declare a winner.
Performance
Looking at the specifications, both devices have an octa-core CPU, similar RAM, and storage. J7 Prime has a slightly higher CPU clock speed, but the graphics chip (GPU) is weaker.
Overall, when measured on performance benchmark software, J7 Prime scores slightly higher in CPU processing but significantly lower in GPU processing. This is understandable as the J7 Prime bears the heavier load of a Full-HD display while having a weaker GPU.
J7 Prime struggles with heavy gaming, exhibiting annoying lag.
In real-world usage, the Galaxy J7 Prime opens apps a bit faster but falls significantly behind in multitasking compared to Oppo's phone. The most notable performance difference between the two devices lies in gaming, especially graphics-intensive games like Asphalt 8, N.O.V.A 3, and Dead Trigger 2. Samsung's phone, with its Full-HD resolution display, struggles to handle these games, resulting in noticeable stuttering and lag during gameplay. Overall, the gaming experience on the Galaxy J7 Prime is quite unpleasant. In contrast, Oppo F1s, with its lower resolution display and more powerful GPU, smoothly handles these games, with only slight lag appearing in some scenes with numerous explosive effects.
Watch more performance/speed test videos comparing Galaxy J7 Prime and Oppo F1s.
In conclusion: Oppo F1s wins due to better handling of heavy gaming and superior multitasking management.
Battery Life
J7 Prime has a 3300 mAh battery, while F1s has a 3075 mAh battery. Considering the difference in screen resolution, the battery capacities of the two devices are reasonably close. However, in VnReview's tests under identical conditions, J7 Prime demonstrates significantly better battery life.
The web browsing time test was conducted on Wi-Fi through a simulation program that emulates real-world usage, automatically opening and repeating three common websites, simulating scrolling actions to measure battery life from 100% to 10% with a screen brightness of 70%.
Watch HD movies on MX Player software, loop playback, and measure the time from 100% to 10% battery. Screen brightness and volume set at around 70%.
Play emulation games on GFX Bench software with screen brightness at about 70%, also measuring from full to 10% battery before stopping.
In conclusion: Galaxy J7 Prime wins with significantly better performance in all three tests.
Camera
Overall, the main rear camera of J7 Prime captures images with better detail, contrast, and dynamic range compared to Oppo F1s. J7 Prime also excels in low-light photography, producing fewer noises and brighter images. However, J7 Prime's photos tend to have white balance issues and skewed colors in many situations, deviating significantly from real-life colors. Meanwhile, Oppo F1s' camera performs slightly better in white balance and reproduces colors closer to reality, maintaining a more accurate color balance without excessive saturation.
Looking at the photos, J7 Prime (on the left) exhibits inaccurate green color balance, appearing dull and lifeless.
For the front-facing secondary camera, Oppo F1s captures superior photos compared to J7 Prime. In both well-lit and low-light conditions, selfies taken with Oppo's phone are sharp, detailed, and exhibit better skin tone reproduction and contrast than the Samsung counterpart. For more details, readers are invited to check out the article 'Comparing Camera Details of Samsung Galaxy J7 Prime and Oppo F1s.'
Read more: Comparing Camera Details of Galaxy J7 Prime and Oppo F1s
In conclusion: Oppo F1s wins due to better white balance, consistent color reproduction, and higher quality selfie camera.
Conclusion
In simple terms, the final score in the comparison between J7 Prime and Oppo F1s is 2-2. J7 Prime excels in battery life and screen detail, while Oppo's product performs smoother in heavy gaming and captures photos with more accurate colors, especially in high-quality selfies. The comparison process reveals that the differences between the two products are minimal. However, the main goal of this comparison is not to determine a 'winner or loser' but to help readers identify the strengths and weaknesses of each device, allowing them to choose the product that best fits their needs.
