Lexar NM1090 Pro 2TB VS Samsung 9100 Pro 8TB

Both drives deliver exceptional read performance, but the Samsung 9100 Pro 8TB holds a clear edge across the board. Its sequential read speed of 14800 MB/s outpaces the Lexar NM1090 Pro 2TB's 12000 MB/s by roughly 23% — a gap that becomes tangible when transferring very large files such as high-bitrate video projects or large disk images, where sustained throughput directly translates to saved time.

On the random read side, the difference narrows considerably: 2200000 IOPS versus 2100000 IOPS is only about a 5% margin. In practice, both figures are far beyond what typical workloads — including OS boot, application launch, and database queries — can fully saturate, so real-world responsiveness will feel virtually identical for most users.

Overall, the Samsung 9100 Pro has a meaningful read speed advantage primarily in sequential scenarios, making it the stronger choice for bandwidth-intensive tasks like large media file transfers or sequential data ingestion pipelines. For general-purpose or random-access workloads, the two drives are effectively tied.

Write performance tells a more decisive story than read speed did. The Samsung 9100 Pro reaches 13400 MB/s sequential write versus 11000 MB/s on the Lexar NM1090 Pro — a ~22% lead that mirrors the sequential read gap and compounds its advantage for workflows involving heavy data ingestion, such as capturing RAW video, cloning drives, or writing large backup archives.

The random write gap is where the Samsung pulls further ahead. At 2600000 IOPS versus 1800000 IOPS, that is a roughly 44% advantage — substantial enough to matter in real workloads. High-frequency random writes are the bread and butter of database engines, virtualization platforms, and compile-heavy development environments; in those scenarios, the Samsung's lead translates directly into lower latency and higher throughput under concurrent I/O pressure.

Across both metrics, the Samsung 9100 Pro holds a clear and consistent write speed advantage. The Lexar NM1090 Pro's numbers are still strong in absolute terms, but users running write-intensive professional or enterprise workloads will find meaningfully more headroom with the Samsung.

PassMark scores serve as a useful composite indicator of overall storage performance, aggregating sequential, random, and mixed I/O patterns into a single number. Here, the Samsung 9100 Pro scores 82109 against the Lexar NM1090 Pro's 72554 — a gap of roughly 13%, which is consistent with the advantages the Samsung demonstrated in both read and write speed testing.

What makes this benchmark meaningful is that it reflects a blended real-world profile rather than a single peak metric. A drive can post impressive sequential numbers yet underperform in mixed workloads; the fact that the Samsung's lead holds up in a composite score suggests its advantage is broad-based rather than narrow or situational. For users whose workloads mix sequential transfers with random access — think creative professionals juggling large project files alongside application I/O — that consistency matters.

The Samsung 9100 Pro has the clear edge here. The Lexar NM1090 Pro's score of 72554 is still competitive in absolute terms, but the ~10000-point deficit reinforces a pattern seen across this entire comparison: the Samsung delivers measurably higher all-around performance.

At the platform level, these two drives share a remarkably similar foundation: both are M.2 NVMe SSDs leveraging PCIe 5.0, NVMe 2.0, DRAM caching, TLC NAND, and an 8-channel controller architecture. That common ground explains why their performance profiles are directionally similar — the Samsung's lead in speed comes from its proprietary Samsung Presto controller rather than any fundamental platform difference. The Lexar relies on the Silicon Motion SM2508, a capable third-party controller, but Samsung's vertically integrated silicon gives the 9100 Pro a tuning advantage.

The most practically significant difference in this group is endurance. The Samsung 9100 Pro's 4800 TBW rating dwarfs the Lexar's 1400 TBW — and while some of that gap is simply a function of the Samsung having four times the raw capacity, it signals that the 9100 Pro is engineered for heavier, more sustained write workloads over its lifetime. For NAS deployments, content creation archives, or enterprise-adjacent use, that headroom matters considerably.

On reliability and warranty, the two are evenly matched: both carry a 1.5 million hour MTBF and a 5-year warranty, so neither has a meaningful edge in long-term support terms. The key takeaway from this group is that the Samsung differentiates itself through its controller and raw capacity tier, while the Lexar is a well-specified drive on the same modern platform — just aimed at a less demanding capacity and endurance bracket.