Ever since we announced our high performance file system Reliance Nitro, we have been getting questions on how it compares to the original Reliance file system. Below is a quick-reference table noting some of the differences between the two. For a more detailed comparison (including performance benchmarks), please contact us.
| Attributes | Reliance | Reliance Nitro | Recommendation |
| High performance on large number of files (100+) | ? | If your device stores a large number of files in a single directory, Nitro will perform much faster than Reliance. | |
| High performance on large files | ? | Nitro's extent based design allows it to perform faster on larger files. For sake of this comparison, files can be considered large if they are 10+ times the block size of the device | |
| Frequent transaction points | ? | Nitro introduces a new structure called Delta transactions which speed up the time taken to conduct transaction points. Depending on how often you conduct transactions points, Nitro can provide significant advantage | |
| Random I/O performance most critical | ? | ? | Reliance's block based design provides an advantage on random I/O on small files. On large files both Reliance and Nitro perform equally well on this metric |
| Sequential I/O performance most critical | ? | Nitro outperforms Reliance on sequential I/O due to its extent based design | |
| Support for Windows Mobile | ? | FlashFX Pro 4.0 for Windows Mobile enables a new discard interface that allows Nitro to have much faster write speeds on flash memory | |
| File-size limit | 32-bit | 64-bit | Nitro uses 64-bit variables for file size limits allowing for very large file sizes. |
| Read-only version | ? | Reliance currently provides a read-only version called Reliance Reader. Nitro currently does not provide a reader application - this is scheduled for v2 |
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