> For the complete documentation index, see [llms.txt](https://docs.txflash.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.txflash.io/benchmark.md).

# Benchmark

The following independent snapshots were provided by customers comparing TxFlash with other Robinhood Chain feeds. Commercial feed names are anonymized. `Other feed A`, `B`, and `C` identify sources only within their own table.

## Customer snapshot 1

| Source       |      p50 lag |      p95 lag | First seen |
| ------------ | -----------: | -----------: | ---------: |
| **TxFlash**  | **0.000 ms** | **1.471 ms** | **78.00%** |
| Other feed A |     2.302 ms |     8.043 ms |      7.49% |
| Other feed B |     4.462 ms |    10.169 ms |     14.50% |
| Public feed  |    31.291 ms |    74.676 ms |      0.00% |

## Customer snapshot 2

One-minute observation, measured behind the first block feed. Lower latency is better.

| Source       |     p50 lag |     p90 lag | First seen |
| ------------ | ----------: | ----------: | ---------: |
| **TxFlash**  | **0.00 ms** | **0.00 ms** |  **76.1%** |
| Other feed A |     1.79 ms |     5.55 ms |      23.9% |
| Public feed  |    34.54 ms |    59.85 ms |       0.0% |

## Customer snapshot 3

| Source       | First-arrival rate | Median delay vs TxFlash |
| ------------ | -----------------: | ----------------------: |
| **TxFlash**  |         **75.45%** |                **0 us** |
| Other feed A |             16.46% |               +2,759 us |
| Other feed B |              7.85% |               +2,685 us |
| Other feed C |              0.24% |               +4,469 us |
| Public feed  |              0.00% |              +50,586 us |

## Reading the results

`First seen` or `first-arrival rate` is the percentage of matching observations for which a source arrived first. Lag and delay values are relative measurements within each customer's setup.

Results vary with region, network path, connection state, congestion, workload, measurement method, and sample period. These customer snapshots are not a latency guarantee.

## Customer validation

For an independent comparison:

1. Run all compared consumers on the same host.
2. Timestamp after the complete transaction bytes are available.
3. Match identical transaction hashes.
4. Use a monotonic clock for local comparisons.
5. Report sample size, region, duration, first-seen share, p50, and p95.


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