What's your point blastingcap? The same is true of countries, that's why it's the proper comparison. A comparison like that is only valid if you're measuring the same thing on either side, and in this case that is GDP and annual revenue. Neither one is an indication of what something is worth, but that's irrelevant to this particular comparison.
Neither is. Which is why I used market cap--which IS a measure of the value of a company--and stuck on GDPs as an afterthought. After all, this arose from someone making a comment about how Apple might struggle with Intel in a bidding war over Nvidia. I was like, yeah right, have you seen the valuations of companies recently? Apple could buy Nvidia several times over without breaking a sweat. Hell, Apple could even take over Intel, though Intel is so big that it'd be more like a merger.
Man, some people are hard to please... (to those of you who did thank me, I appreciate it... I learned a few things putting the list together, too, like how Activision-Blizzard is actually valued HIGHER than Nvidia!)
To you and anyone else who has a problem with my including GDPs, just ignore them and focus on the relative sizes of the companies. Problem solved. And if your complaint is that it's too hard to read without looking at the GDPs, I'll even take those out for you (this was how it looked prior to my inserting the GDPs):
Market cap in $billions as of 5/19/2011:
Exxon Mobil 408
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Apple 314
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General Electric 212
Microsoft 208.42
IBM 208.04
Wal-Mart 194
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Google 171
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Intel 125
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Qualcomm 96
Cisco 92
Siemens 86
HP 78
TSMC (makes Nvidia and AMD GPUs) 70
Kraft Foods 62
Boeing 58
Facebook 50 (implicitly estimated by Goldman Sachs, if it were a public company)
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Oracle 35
Nintendo 33
Sony 27
Hitachi 26
Toshiba 22
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Activision Blizzard 13.39
Fujitsu 10.70
Nvidia 10.58
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Electronic Arts 7.95
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AMD 5.94
Source: finance.google.com and other such sites, calculating market cap as of May 19, 2011.