With the limited specifications you've supplied, the two sets are essentially identical. It would come down to which set has the better price, which store has the better return policy, and which TV has the better warranty.
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Followup: it appears your question comes from Australia, and Soniq has been a popular brand there for several years. See the ref below. Soniq uses LG or Samsung LCD panels and Panasonic plasma panels, all good choices. Soniq is a subsidiary of a Chinese company, so that's where the sets come from (like most of them).
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