Comparing: PNY CS900 250GB vs Lexar High Performance 633X 64GB
In this comparison, we analyze two Disks: PNY CS900 250GB and Lexar High Performance 633X 64GB, 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.

PNY CS900 250GB
Type: | Disks |
---|---|
Model: | PNY CS900 250GB |
Capacity: | 250GB |
Interface: | SATA-III 6Gbps |

Lexar High Performance 633X 64GB
Type: | Disks |
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Model: | Lexar 633X 64GB |
Capacity: | 64GB |
Interface: | UHS-I |
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 | PNY CS900 250GB | Lexar High Performance 633X 64GB |
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Brand | PNY | Lexar |
Format | SSD 2.5 | MicroSDXC |
Capacity | 250GB | 64GB |
Interface | SATA-III 6Gbps | UHS-I |
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 | PNY CS900 250GB | Lexar High Performance 633X 64GB |
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1 | AS-SSD |
Read: 444.94 MB/s Write: 397.23 MB/s |
Read: 90.89 MB/s Write: 56.48 MB/s |
2 | ATTO Disk Benchmark - 64M |
Read: 542.37 MB/s Write: 505.26 MB/s |
Read: 91.10 MB/s Write: 58.12 MB/s |
3 | Cross Platform Disk Test |
Read: 415.87 MB/s Write: 214.49 MB/s |
Read: 90.51 MB/s Write: 57.42 MB/s |
4 | CrystalDiskMark |
Read: 535.26 MB/s Write: 478.16 MB/s |
Read: 87.70 MB/s Write: 58.83 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 PNY CS900 250GB
The PNY CS900 250GB is a SATA III (6Gbps) SSD designed as an affordable upgrade solution for users still using hard disk drives (HDDs). Utilizing 3D NAND flash memory, this SSD delivers major improvements in read and write speeds, power efficiency and operational reliability for everyday computing needs.
It is capable of achieving read speeds of up to 535MB/s and write speeds of up to 500MB/s, making it ideal for speeding up operating system boot times, streamlining application launches and accelerating file transfer processes. Compared to conventional HDDs, the performance improvements offered by the CS900 are very noticeable, especially on systems with limited specifications.
The test was conducted using an HP 1000 1b05AU laptop equipped with an AMD E1-1200 processor, 4GB DDR3 RAM, and Windows 7 64-bit operating system. This laptop supports SATA-III, so it can utilize the maximum bandwidth of the CS900. Although the test system is in the low-end category, the performance improvement after switching from HDD to SSD is significant.
In performance testing, the PNY CS900 250GB showed quite impressive results for the SATA SSD class. Using CrystalDiskMark software, read speeds were recorded at 535.26 MB/s and write speeds reached 478.16 MB/s, reflecting optimal performance on the SATA III interface. Meanwhile, tests using AS-SSD Benchmark recorded read speeds of 444.94 MB/s and write speeds of 397.23 MB/s, showing good performance consistency for various daily usage scenarios such as system booting, opening applications and transferring large files.
The PNY CS900 also offers the added benefits of silent operation, low power consumption and better shock resistance than HDDs, making it a great choice for laptop users who need a reliable and power-efficient storage solution.
With its 2.5-inch form factor and SATA III interface, this SSD is highly compatible with the majority of laptops and desktops, both old and new systems. The PNY CS900 250GB is an economical upgrade option that still delivers high performance for basic productivity, entertainment and everyday use.
Device Test:
Device: HP 1000 1b05au
CPU: AMD E1-1200
RAM: 4GB DDR3
OS: Windows 7
SATA-III
Tuesday, 31 January 2023 05:42:07 | Update: 1 month ago
About Hardware Lexar High Performance 633X 64GB
The Lexar High-Performance 633x 64GB microSDXC is a high-grade memory card designed to provide fast data transfer speeds and reliable performance, especially for users who frequently handle large multimedia files. With UHS-I U1/U3 and V30 class speeds, as well as a 633x rating, the card offers read speeds of up to 100MB/s which is ideal for Full HD to 4K UHD video recording, high-resolution photography, and heavy application usage on Android devices.
The microSD card also has an A1 rating for app performance, which enables faster app loading times and more responsive multitasking on mobile devices. Compatibility is broad, supporting various types of devices such as smartphones, action cams, drones, tablets, and other recording devices. For more flexible use, Lexar also includes an SD adapter in the sales package so that the card can be used easily with DSLR cameras or laptops that have full SD slots.
Another advantage lies in physical durability. The Lexar 633x is designed to waterproof, extreme temperature resistant, shockproof, and X-ray resistant standards, making it a great choice for outdoor use or rugged field conditions. This card is perfect for content creators, travelers, and gamers who need large-capacity yet reliable storage.
Testing was conducted using a Lenovo IdeaPad Slim 3i 14ITL6 device with Intel Core i5-1135G7 processor, NVIDIA MX350, 12GB DDR4 3200MHz RAM, and Windows 11 Home 23H2 operating system. Testing also utilized a Lexar RW450 (rev B) card reader with GL3231S controller, using factory default conditions (exFAT file system, Quick Removal). In the CrystalDiskMark benchmark, the card recorded a read speed of 87.70 MB/s and write speed of 58.83 MB/s, confirming its performance claim as one of the fastest microSDs in its class.
Overall, the Lexar High-Performance 633x 64GB offers a combination of high speed, physical durability, and sufficient capacity to meet the storage needs of multimedia, gaming, and heavy applications on modern mobile devices. If you are looking for a microSDXC card with stable performance and ready to be used in various conditions, the Lexar 633x 64GB is a highly recommended choice.
Device Test (Testbed):
Device: Lenovo IdeaPad Slim 3i 14ITL6
Device Specs: i5-1135G7, NVIDIA MX350, 12GB RAM 3200MHz (4+8), 512GB NVMe SSD, USB 3.1 Gen 1, Windows 11 Home 23H2
Card Reader: Lexar RW450 rev B (GL3231S Controller)
Room Temperature: 30 celcius based on DHT11 Sensors
* This experiment is run when the item is newly purchased, no files condition (0% usage), exFAT file system (default), Device Manager Policy: Quick Removal (Default).
Friday, 12 January 2024 02:42:40 | Update: 1 month ago