============================================
RESULTS (means and 95% confidence intervals)
--------------------------------------------
Total:                 322.2ms +/- 4.9%
--------------------------------------------

  3d:                   55.0ms +/- 15.3%
    cube:               19.8ms +/- 12.1%
    morph:              16.6ms +/- 35.8%
    raytrace:           18.6ms +/- 22.5%

  access:               32.8ms +/- 12.4%
    binary-trees:        1.8ms +/- 30.9%
    fannkuch:           14.2ms +/- 7.3%
    nbody:              12.6ms +/- 26.7%
    nsieve:              4.2ms +/- 24.8%

  bitops:               29.4ms +/- 10.2%
    3bit-bits-in-byte:   2.4ms +/- 28.4%
    bits-in-byte:        8.0ms +/- 15.5%
    bitwise-and:         8.6ms +/- 21.9%
    nsieve-bits:        10.4ms +/- 21.7%

  controlflow:           2.4ms +/- 28.4%
    recursive:           2.4ms +/- 28.4%

  crypto:               22.0ms +/- 10.6%
    aes:                 9.8ms +/- 27.5%
    md5:                 6.2ms +/- 22.0%
    sha1:                6.0ms +/- 20.7%

  date:                 33.2ms +/- 11.7%
    format-tofte:       16.6ms +/- 20.2%
    format-xparb:       16.6ms +/- 13.6%

  math:                 32.6ms +/- 15.2%
    cordic:             12.0ms +/- 29.3%
    partial-sums:       15.2ms +/- 20.4%
    spectral-norm:       5.4ms +/- 20.6%

  regexp:               15.6ms +/- 7.1%
    dna:                15.6ms +/- 7.1%

  string:               99.2ms +/- 14.0%
    base64:              9.2ms +/- 14.8%
    fasta:              14.4ms +/- 27.7%
    tagcloud:           27.2ms +/- 23.2%
    unpack-code:        31.8ms +/- 14.5%
    validate-input:     16.6ms +/- 18.0%

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Summary

Thanks to my coworker for lending me his phone for a few minutes (he waited in line for 9 hours yesterday when it first went on sale!).

This is quite an improvement over the iPhone 3GS running iOS4, which ran the SunSpider test in 13787ms. The iPhone 4 ran the same test in 10669ms, which makes it ~22% faster head-to-head.

Processors

The iPhone 3GS has a Samsung S5PC100 ARM Cortex-A8[5] 833 MHz (underclocked to 600 MHz), while the iPhone 4 has an Apple A4 1GHz (likely underclocked to an unknown speed).

Thoughts

The Incredible is just slightly faster than the Evo, to the point where it’s probably negligible or within a margin of error. Both of these phones run on Android 2.1 with HTC’s Sense UI modifications, and represent the latest and greatest in Android phones available on the market today. Both run on the same 1GHz Snapdragon processor (QSD8650). The Nexus One is a bit older, and runs with an older version of the Snapdragon processor (QSD8250), however it still runs at 1GHz just like the other two phones.

As you can see the Nexus One blows away all the competition because it’s running Android 2.2 Froyo. These results were quite a shock to me and are quite impressive. These results even blow away Apple’s new iOS 4 running on my iPhone 3GS, which clocked in at a total time of 13787ms compared to the Nexus One’s startling 5452ms.

Testing methodology

Test: SunSpider 0.9.1

Devices: HTC Evo (Android 2.1), HTC Incredible (Android 2.1), HTC Nexus One (Android 2.2)

The SunSpider test was run five times on each phone. The phone was completely turned off and on before each test. The most extreme values of the five tests were thrown out, and the resulting four tests were averaged (sometimes from three tests when the values were very close together).

Raw results:

SunSpider HTC Evo results (5 tests)

SunSpider HTC Incredible results (5 tests)

SunSpider HTC Nexus One results (5 tests)

Related links

JavaScript SunSpider test: iOS 3.1.3 versus iOS 4 GM

Thoughts

After running these SunSpider tests, it looks like overall there’s significant speed gains between iOS 3.1.3 and iOS 4 GM. However, it’s concerning from these tests there were some things that actually ran slower on iOS 4. This either represents a real speed loss between the versions, a margin of error, or some flaw or inconsistency while testing. Or maybe I possibly have some wrong setting on my phone? Any input would be appreciated.

Testing methodology

Test: SunSpider 0.9.1

Device: iPhone 3GS

The test was run five separate times on the same phone for each version of the OS. The phone was completely turned off and on before each test.

The most extreme values of the five tests were thrown out, and the resulting four tests were averaged (sometimes from three tests when the values were very close together). I’m no statistics expert, so if you’d like to work it out for yourself, here are my raw test results:

SunSpider iOS 3.1.3 results (5 tests)

SunSpider iOS 4 results (5 tests)

Related links

Speed Test: iPhone 3GS Even Faster than Apple Claims