Amazon.com Inc.’s Kindle Fire won’t be available until Nov. 15, but if the current pace of orders continues, the tablet could outpace the launch of Apple Inc.’s iPad and iPad2.

According to pre-order numbers received by the blog Cult of Android, eager buyers are placing more than 2,000 orders an hour for Kindle Fire, or more than 50,000 a day. In the five days since Amazon (NASDAQ: AMZN) announced its launch of Kindle Fire, more than 250,000 tablets have been pre-ordered. At that pace, Amazon would have 2.5 million pre-orders by mid November, according to Cult of Android.

The blog says that the Apple (NASDAQ: AAPL) sold more than 1 million iPads in the first month it was launched in 2010. The iPad2 later sold 2.5 million units in its first month.

Seattle-based Amazon is rushing a Kindle Fire in time for the holiday gift-buying season to compete with market leader iPad. Kindle Fire is running on a souped-up version of Google Inc.’s (NASDAQ: GOOG) Android operating system.

With a $199 price tag that’s less than half that of Apple’s $499 entry-level iPad, analysts say the device will make a splash this holiday season. Which tablet will consumers prefer? Click here to see a slide show comparison of the Amazon Fire and the Apple iPad.

Analysts with JPMorgan say they expect Amazon to sell 4 million to 5 million Kindle Fire tablets during the upcoming holiday season, mainly due to the low price point, which is below the $250 price tag analysts were expecting.