The Definitive Coast-to-Coast 3G Data Test [Review]
Source: http://feeds.gawker.com/~r/gizmodo/full/~3/k1UVENLsHEQ/the-definitive-coast+to+coast-3g-data-test
The Test
Almost every smartphone and most standard phones in the three largest cell networks runs on a supposedly fast 3G network. The technology, at least on paper, can rival home broadband. AT&T's HSPA network, for instance, is supposed to deliver data at up to 3.6Mbps downstream, while letting you upload at 1.4Mbps. Meanwhile, the EVDO Rev. A that Sprint and Verizon use promises a comparable "burst rate" of 3Mbps up, with 1.5Mbps down.
Like a lot of business travelers, we bloggy types have a particular interest in 3G USB dongles, since we're often trying to file stories far away from any decent wi-fi. Figuring out who has the best service quickly becomes a fixation, which becomes an obsession, which, as usual, becomes an ultimate Battlemodo.
In lieu of jetsetting all around the country, we FedExed our testing package from one staffer's home to the next, until we'd hit eight of the country's biggest cities. In each city, testers were instructed to put the three cards—one each from AT&T Sprint and Verizon—through some pretty rigorous paces. (Note: In case you're wondering why T-Mobile isn't represented, the carrier doesn't yet have the coverage required, nor does it yet offer 3G USB dongles or cards like the ones we used in testing. Next year, maybe.)
The testers chose three to five locations (preferably including one suburban spot). Parking themselves somewhere, they would connect each card to the laptop, running Speakeasy's bandwidth test five times for each device, ! and then follow it up with an auxiliary battery of repeated pageload and file download tests, in order to verify Speakeasy's readings.
The Gear
While it may sound like hopping around town testing cards is easy, rest assured it was plenty challenging. Any test where any of the three cards wasn't playing well with a laptop, and the whole test had to be scrapped. This may not be a clean-room lab study, but we kept firm to our methods and the results speak to that. There's a reason this may be the most information anyone has gathered, independently, on the subject.
Download Performance
As far as download performance goes, Sprint won overall, beating AT&T five cities to three, and handily beating Verizon in four cities while losing close contests in four more. To round it out, Verizon beat AT&T in four cities, tied in one, and lost in three.
AT&T had troubles in the Northeast and Chicago. Down the coast in Raleigh and over in Austin, it's probably no surprise that southern Bell conglomerate AT&T came out victorious. On the West Coast, it was a toss-up except in Portland, where Verizon couldn't quite keep it together.
Upload Performance
What are more surprising are the upload performance results: AT&T totally kicked ass here, winning six cities and barely losing to Sprint in the other two. Verizon was the slowpoke here, though it did nudge Sprint out of the way twice, and beat it soundly once.
Although the same regional attributes crop up here—AT&T is at its weakest in Boston and Chicago—AT&T clearly has a technological edge with HSUPA. Well, it's either that or all of the 3G build-out meant to lure iPhone 3G customers has left the carrier with an awful lot of unused upstream bandwidth, since smartphone users download a lot more than they upload. (This is assuming that upstream and downstream operate independently, as they seemed to in AT&T's case.)
Even when the download performance was crappy, AT&T's upload talents shined through, indicating that the congestion argument could hold merit. So, for the time being anyway, if you're into sending big files, or running some kind of masochistic mobile torrent service, AT&T is the right choice.
The Cities
Want to check out your city or region? Have a look at the eight contestants in this round, and while you're at it, you'll get to know a little more about the Giz staffers who took time to test the gear. If we didn't get to your town this time around, don't fret—maybe we'll get to it next year...or when we eventually test LTE vs. WiMax.
• Boston
• Chicago
• New York City
• Portland
• Raleigh-Durham
• San Francisco and the Bay Area
• Seattle
Thanks to Mark, Sean, Andi, Eric and Jack for testing. Special shout-out to Mahoney for helping put together the testing regimen and instructions, and to my brilliant wife for working her Excel bar-graphing magic on our unwieldy spreadsheets .
While Konami's announcement of Metal Gear Solid for the iPhone is tough to be topped, the company will also be releasing a few of their other big franchises as well, including Silent Hill and DDR.
Firefox Mobile, already
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