Comparing: Samsung KMRX10014M vs Western Digital PC SN740 512GB
In this comparison, we analyze two Disks: Samsung KMRX10014M and Western Digital PC SN740 512GB, 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.

Samsung KMRX10014M
Type: | Disks |
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Model: | Samsung KMRX10014M |
Capacity: | 32GB |
Interface: | eMMC |

Western Digital PC SN740 512GB
Type: | Disks |
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Model: | PC SN740 512GB |
Capacity: | 512GB |
Interface: | PCIe 4.0 x4 |
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 | Samsung KMRX10014M | Western Digital PC SN740 512GB |
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Brand | Samsung | Western Digital |
Format | eMMC 5.1 | SSD M.2 NVMe 2280 |
Capacity | 32GB | 512GB |
Interface | eMMC | PCIe 4.0 x4 |
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.
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 Samsung KMRX10014M
OPPO F1s eMMC 5.1 (Samsung KMRX10014M) is an internal storage chip made by Samsung that is used in the OPPO F1s smartphone. Relying on eMMC 5.1 technology, this chip offers increased data transfer speeds compared to the previous generation (eMMC 5.0), providing a smoother user experience, especially when it comes to opening apps, saving files, and running the Android operating system responsively.
Although not comparable to UFS (Universal Flash Storage) in terms of performance, eMMC 5.1 remains an economical storage solution for mid-range devices like the OPPO F1s. The technology is reliable enough to handle everyday activities such as opening social media, recording videos, taking photos, and storing documents and apps.
The test was conducted on an OPPO F1s device with MediaTek MT6750 specifications, 4GB of RAM, and 32GB of internal storage, running on the Android 6 operating system. The internal storage on the OPPO F1s uses the Samsung KMRX10014M chip, which is an early generation eMMC 5.1 with relatively high performance for the standards of its release time.
Interestingly, despite the device being over 7 years old, testing using the Cross Platform Disk Test (Mobile) showed read speeds of 286.5 MB/s and write speeds of 78.7 MB/s. These figures are impressive for an eMMC chip that has gone through a long usage cycle, and indicate that the Samsung KMRX10014M has good NAND Flash endurance.
Overall, the eMMC 5.1 on the OPPO F1s offers an ideal combination of power efficiency, moderately high performance, and low manufacturing costs. This makes it a very suitable solution for devices with standard to mid-range requirements, especially when first released. While eMMC performance may degrade with age, these benchmark results show that the chip is still capable of performing quite well even after many years.
Device test (testbed):
Device: OPPO F1s
CPU: MediaTek MT6750
RAM: 4GB
Storage: 32GB
OS: Android 6
* This test was conducted after the device was approximately 7 years old, which is likely to have degraded the performance of eMMC.
Friday, 19 November 2021 16:41:45 | Update: 1 month ago
About Hardware Western Digital PC SN740 512GB
The Western Digital PC SN740 is a high-performance NVMe SSD specifically designed to meet the needs of modern computing, especially in ultrabooks, business laptops and other compact devices. It features a PCIe Gen4 x4 interface and NVMe 1.4 protocol, which enables extremely fast read and write speeds, making it an ideal storage solution for intensive multitasking, big data processing, and a responsive and efficient computing experience.
The SN740 comes in various capacities ranging from 256GB, 512GB, 1TB, to 2TB, providing flexibility for users with different storage needs. Built with Western Digital 3D NAND technology, the SSD offers not only high performance, but also excellent power efficiency and long-term durability. Its availability in two form factors, M.2 2230 and M.2 2280, makes it highly compatible with many of the latest devices, including thin laptops and small industrial systems.
In a real-world test using an Acer Aspire 5 A515-58P laptop equipped with an Intel Core i5-1335U processor, 8GB LPDDR5 RAM and running Windows 11 operating system, the SSD ran on PCIe Gen3 x4 mode due to laptop slot limitations. Despite not running at full PCIe Gen4 speed, the benchmark results still showed excellent performance. Tests with CrystalDiskMark recorded read speeds of up to 3913.58 MB/s and write speeds of 3453.18 MB/s, while AS-SSD Benchmark recorded read speeds of 3795.33 MB/s and write speeds of 1879.37 MB/s. These numbers show that even on a PCIe Gen3 interface, the WD SN740 still offers premium performance that can compete with other high-end SSDs.
In addition to performance, the Western Digital SN740 also features enhanced security and power efficiency, making it a great choice for mobile professionals, software developers, and general users who desire fast and durable storage. With the combination of high data transfer speeds, compact design and Western Digital's brand reputation for reliability, this SSD is one of the best-in-class choices for storage upgrades on modern devices.
Device test (testbed):
Device: Acer Aspire 5 A515-58P
NVMe Capacity: 512GB
PCIe: Gen3 x4 (for run this NVMe)
CPU: i5-1335U
RAM: 8GB LPDDR5
OS: Windows 11
Tuesday, 15 August 2023 13:16:33 | Update: 1 month ago