Benchmark: new Date from timestamp vs new Date from date-string

HTML Preparation code:

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Script Preparation code:

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async function globalMeasureThatScriptPrepareFunction() {
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}

Tests:

new timestamp
new Date(1745899511871)
new date-string
new Date("2025-04-29T04:05:11.870Z")

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
new timestamp
new date-string

Fastest: N/A

Slowest: N/A

Latest run results:

Run details: (Test run date: one year ago)

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/135.0.0.0 Safari/537.36

Browser/OS: Chrome 135 on Linux

View result in a separate tab

Test name	Executions per second
new timestamp	20767956.0 Ops/sec
new date-string	3635966.8 Ops/sec

Related benchmarks:

new Date from timestamp vs new Date from date-string (version: 1)

Comparing performance of: new timestamp vs new date-string

Created: one year ago by: Guest

Jump to the latest result

new timestamp

new date-string

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A