Comparing: OPPO A15s eMMC 5.1 vs Verbatim STORE N GO 16GB

Specification Comparison Table

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Submission Comparison Table

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Submission Comparison Chart

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About Hardware OPPO A15s eMMC 5.1

OPPO A15s eMMC 5.1 is the eMMC (embedded MultiMediaCard) version 5.1-based internal storage chip used in the OPPO A15s smartphone. The eMMC 5.1 technology is a significant upgrade from the previous generation, delivering faster read/write speeds, better power efficiency, and improved performance in data input/output management. While not as fast as the more modern UFS (Universal Flash Storage) technology, eMMC 5.1 remains a reliable storage standard for entry-level to mid-range smartphones.

This storage is designed to provide a seamless user experience, from opening apps, saving files, recording videos, to managing Android system data. It also plays an important role in operating system stability, lightweight multitasking, and response time when the device starts up or switches between apps.

The tests were conducted on an OPPO A15s device with MediaTek Helio P35 (MT6765) specifications, 4GB RAM, and 64GB internal storage, running on Android 10 operating system with ColorOS 7.2 interface. The test was conducted when the device had been in use for approximately two years, so the performance results may be slightly affected by NAND Flash performance degradation over time (wear leveling).

In a benchmark using the Cross Platform Disk Test (Mobile), the eMMC 5.1 on the OPPO A15s recorded a read speed of 145.27 MB/s and a write speed of 50.09 MB/s. This indicates that the storage performance is still solid enough for daily needs such as opening social media, streaming videos, accessing galleries, and saving files from third-party applications.

Overall, the eMMC 5.1 on the OPPO A15s is a well-balanced internal storage solution between price, efficiency, and performance, perfect for users who need a smartphone with responsive capabilities while remaining power efficient. For casual users, this performance is more than enough to run most popular Android apps without a hitch.

Device test (testbed):

Device: OPPO A15s
CPU: MediaTek MT6765 Helio P35
RAM: 4GB
Storage: 64GB
OS: Android 10, ColorOS 7.2

* This hardware test was conducted after the device was approximately 2 years old, there may be some performance degradation.

Tuesday, 06 April 2021 13:51:49 | Update: 1 month ago

About Hardware Verbatim STORE N GO 16GB

Verbatim Store ‘n’ Go 16GB is a practical and economical portable storage solution, designed to meet the basic needs of users in storing and moving data. With a capacity of 16GB, this flash drive offers enough space to store documents, photos, music, and light backup files, making it suitable for students, employees, and home users.

One of the main advantages of the Verbatim Store ‘n’ Go is its retractable design-the USB connector can be recessed into the body, eliminating the need for a physical cover (cap). This provides extra protection against dust and light impacts, and increases portability as there are no parts to lose. The body of the pendrive is made from lightweight plastic but is sturdy enough for everyday use.

Carrying a USB 2.0 interface, this flash drive is not intended for high speeds, but it is still very reliable for simple activities such as document copy-paste or use on older devices. In tests using a Lenovo IdeaPad Slim 3i 14ITL6 with an Intel Core i5-1135G7 processor, 12GB dual channel RAM, and Windows 11 22H2 operating system, performance was recorded as follows:

• CrystalDiskMark:
  • Read: 30.57 MB/s
  • Write: 28.48 MB/s
• ATTO Disk Benchmark (64MB block):
  • Read: 30.10 MB/s
  • Write: 5.11 MB/s

From the benchmark results above, it can be seen that the sequential read and write speeds are still quite good for USB 2.0, but the low ATTO write speed indicates limitations when moving a large number of small files. This is reasonable considering the device uses a Phison PS2251 controller and KIOXIA TC58TFG8T22TA0D NAND chip, a common configuration in entry-class flash drives without DRAM cache.

Although not intended for high performance, the Verbatim Store ‘n’ Go 16GB remains an attractive option for users who want a small, inexpensive, and durable flash drive for basic purposes such as storing school documents, lightweight software, or music. Its compatibility with Windows and macOS operating systems further expands its versatility.

Device test (testbed):

Via: Orico Enclosure USB 3.0
Device: Lenovo IdeaPad Slim 3i 14ITL6
CPU: i5 1135G7
USB: USB 3.1 Gen 1
RAM: 12GB DDR4 3200MHz Dual Channel (8+4)
OS: Windows 11 22H2

Wednesday, 12 July 2023 15:58:51 | Update: 1 month ago