Samsung Unloads on Apple: Tech Weekly

NEW YORK (TheStreet) -- Samsung grabbed the spotlight this week by unveiling the Galaxy S 4 phone, putting pressure on main competitor Apple (AAPL) .

The S 4, Samsung's flagship phone, is only 7.9 mm thick and weighs 130 grams. That's thinner than the S 3, which is 8.6 mm thick and weighs 133 grams. The S 4 has a 5-inch screen, compared with the S 3's 4.8-inch display.

Samsung Galaxy S 4: Disaster 101

The S 4 will run version 4.2.2 of Google's (GOOG) Android operating system, codenamed Jelly Bean. The phone comes with either a 1.9-GHz quad-core processor or a 1.6-GHz octa-core processor, depending on the country.

J.K. Shin, president of Samsung's mobile-communications division, described the new phone as "a life companion for a simpler life," and said it will be available on 327 mobile operators in 155 countries by the end of April. AT&T (T) quickly announced it will carry the device, as did Sprint (S) . No pricing was announced for the phone.