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Comparing: OPPO A15s eMMC 5.1 vs Samsung A05s UFS Storage

In this comparison, we analyze two Disks: OPPO A15s eMMC 5.1 and Samsung A05s UFS Storage, using synthetic benchmark tests to evaluate their overall performance. This side-by-side comparison helps users understand which hardware delivers better value, speed, and efficiency based on standardized testing. Whether you're building a new system or upgrading an existing one, this benchmark-driven evaluation offers valuable insights to guide your decision.

Hardware Image
OPPO A15s eMMC 5.1
Type:Disks
Model:OPPO A15s eMMC 5.1
Capacity:64GB
Interface:eMMC
See benchmark from OPPO A15s eMMC 5.1
Hardware Image
Samsung A05s UFS Storage
Type:Disks
Model:Samsung A05s UFS 2.2 Storage
Capacity:128 GB
Interface:UFS
See benchmark from Samsung A05s UFS 2.2 Storage

Specification Comparison Table

This specification comparison presents technical details of several devices or components to help you understand the key differences between each option. Use this table as a reference to determine which device best suits your needs.

Specification OPPO A15s eMMC 5.1 Samsung A05s UFS Storage
Brand - -
Format eMMC 5.1 UFS
Capacity 64GB 128 GB
Interface eMMC UFS

Submission Comparison Table

This submission comparison table displays the number and details of benchmark data submissions from various devices or components. This information helps you understand the performance based on the benchmarks that have been tested, as well as providing an overview of the consistency and popularity of the available benchmark results.

No. Benchmark Software OPPO A15s eMMC 5.1 Samsung A05s UFS Storage
1 Cross Platform Disk Test (Mobile)

Read: 145.27 MB/s

Write: 50.09 MB/s

Read: 359.06 MB/s

Write: 240.56 MB/s


Submission Comparison Chart

This chart visualizes the benchmark scores comparison between two hardware devices based on submitted data.


Media Gallery

A collection of photos of tested hardware. These images can help you identify the physical form, model, and variant of the hardware in question. These photos are from our own documentation, and if they are not available we may not be able to document them.


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: 3 weeks ago


About Hardware Samsung A05s UFS Storage

The Samsung A05s is equipped with UFS (Universal Flash Storage) storage, which offers much faster read/write speeds compared to traditional eMMC storage. UFS enables faster data transfer, improving device performance when accessing apps, games, and media files. With UFS, Samsung A05s ensures a smoother and more responsive user experience, enabling more efficient multitasking and shorter boot times. UFS storage is also more power efficient, helping to extend the battery life of the device when used for long periods of time.

The UFS storage on the Samsung A05s offers enough capacity to meet everyday needs, whether users like to store various apps, photos, or videos without worrying about the storage space filling up quickly.

Thursday, 08 May 2025 22:21:14 | Update: 2 months ago