The two notebooks had the same amount of memory (4GB), the older MacBook Pro had a slower CPU (2.4GHz vs. While the original web browsing test was using data from my original unibody MacBook Pro review, this second web test used a brand new MacBook Pro (purchased just weeks before this week's MacBook Pro announcement). There's only a 46% increase in battery capacity, there shouldn’t be a ~100% increase in battery life.ever. The new notebook lasted almost twice as long. For comparison, the older MacBook Pro could only manage 3 hours and 17 minutes in the same test. Six and a half hours, out of a 5.5 lbs notebook. My original web browsing test got us 8 hours, so what about this new one? The addition of Flash should make it more stressful, but it's still a fairly light usage test. I found that CPU utilization varied from 5 - 35% during this test, which is about what I saw when I was actually surfing the web myself. In the background, once more, I had iTunes playing MP3s. On each machine I opened three Safari windows and pointed them at the first page in the sequence. Each page is designed to forward to the next after 10 seconds and the loop continues indefinitely. I then scoured the web for big, animated Flash ads and added anywhere from 1 - 4 ads per page all Flash. I strung together 8 reviews on AnandTech and put them each on a single page, images and all. While constantly loading web pages will ensure the CPU can't go into deep sleep, Flash on the pages would make sure that the CPU utilization remains higher at all times. The key flaw in my initial wireless web browsing test is that it none of web pages have any Flash on them. I threw together another test just to make sure. The notebook is just playing music and surfing through a lot of my old reviews. That's with the screen at half brightness (completely usable) and no funny optimizations.
In my lightest test, the new 15-inch MacBook Pro lasted eight hours and eight minutes. This is an extremely light test as none of the web pages have any flash ads, but it’s a valid test of very light wireless usage.Įight, freakin, hours. The test continues to loop all while playing MP3s in iTunes. The wireless web browsing test uses the 802.11n connection to browse a series of 20 web pages varying in size, spending 20 seconds on each page (I timed how long it takes me to read a page on Digg and came up with 36 seconds I standardized on 20 seconds for the test to make things a little more stressful). First up was my wireless web browsing test: To find out how well the new lithium polymer battery does I ran my usual suite of Mac battery life tests.
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