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While some said Apple’s A7 64-bit processor found in some of the company’s 2013 iOS devices was nothing more than a “marketing gimmick,” Apple will not be the only maker of such mobile chips. After Qualcomm, which already announced a 64-bit chip for mid-ranged devices, Samsung is believed to introduce its own 64-bit processor at MWC. The company on Wednesday posted a teaser on Twitter revealing that “Exynos Infinity” will be unveiled in Barcelona. “Continuing our market-leading innovation and leadership, we bring you our latest innovations. Please stay tuned,” Samsung wrote, without revealing more details about the processor. Samsung previously teased an Exynos announcement for CES 2014, although the company did not unveil any new mobile processors last month. Coincidentally,