Chrome10/IE9正式版和Firefox 4都已经出现，这三个代表浏览器行业走向的产品有多大的性能提升，相互对比起来又是哪个更强？CNET用多种测试方案对他们进行了一次完整的横向测试，结果显示三个浏览器都有自己较强的一面，没有再次出现Chrome在性能上一家独大的情况：
(Credit: Chart by Seth Rosenblatt/CNET)
(Credit: Chart by Seth Rosenblatt/CNET)
(Credit: Chart by Seth Rosenblatt/CNET)
(Credit: Chart by Seth Rosenblatt/CNET)
(Credit: Chart by Seth Rosenblatt/CNET)
(Credit: Chart by Seth Rosenblatt/CNET)
Chrome 10 IE 9 Firefox 4
| SunSpider 0.9.1 (ms) | 336.20 | 15,606.77 | 7265.13 |
| V8 v6 (higher is better) | 5,173.67 | 2,235.3 | 3540.33 |
| JSGamebench 0.3* (higher is better) | 322.00 | 1,156.00 | 1,482.00 |
| Boot time (s) | 26.22 | 21.86 | 17.80 |
| Memory (kb) | 390,532 | 205,616 | 148,020 |