Comparing: OPPO A15s eMMC 5.1 vs Western Digital PC SN740
In this comparison, we analyze two Disks: OPPO A15s eMMC 5.1 and Western Digital PC SN740, 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.

OPPO A15s eMMC 5.1
Type: | Disks |
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Model: | OPPO A15s eMMC 5.1 |
Capacity: | 64GB |
Interface: | eMMC |

Western Digital PC SN740
Type: | Disks |
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Model: | PC SN740 |
Capacity: | 512GB |
Interface: | PCIe 4.0 x4 |
Specification Comparison Table
Specification | OPPO A15s eMMC 5.1 | Western Digital PC SN740 |
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Brand | - | Western Digital |
Format | eMMC 5.1 | SSD M.2 NVMe 2280 |
Capacity | 64GB | 512GB |
Interface | eMMC | PCIe 4.0 x4 |
Submission Comparison Table
Benchmark Software | OPPO A15s eMMC 5.1 | Western Digital PC SN740 |
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About Hardware OPPO A15s eMMC 5.1
OPPO A15s eMMC 5.1 is the eMMC 5.1 storage chip used in the OPPO A15s smartphone. eMMC 5.1 offers better read/write speeds compared to previous generations, although it is still inferior to the more modern UFS technology.
This chip is designed to provide a responsive user experience in opening apps, storing data, as well as handling basic tasks in the Android system.
Hardware Detail
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 Western Digital PC SN740
The Western Digital PC SN740 is a high-performance NVMe SSD designed for ultrabooks, business laptops, and compact computing devices. Featuring the PCIe Gen4 x4 interface and NVMe 1.4 protocol, this SSD delivers blazing-fast speeds for seamless multitasking and data-intensive applications.
Available in various capacities, including 256GB, 512GB, 1TB, and 2TB, the SN740 is built using Western Digital's 3D NAND technology, ensuring excellent power efficiency, reliability, and endurance. Its M.2 2230 and M.2 2280 form factors make it compatible with a wide range of modern devices, particularly those requiring a compact yet powerful storage solution.
With enhanced security features and power efficiency optimizations, the WD PC SN740 is an excellent choice for professionals and tech enthusiasts looking for a balance of speed, durability, and energy efficiency.
In this test, it runs on PCIe 3.0 x4 because the laptop which by default uses PC SN740 turns out to run PCIe 3.0 x4.
Tuesday, 15 August 2023 13:16:33 | Update: 1 month ago