If you’ve been looking to upgrade your monitor, this 4K Samsung model may be just what your setup needs. The 28-inch Samsung Odyssey G7 is only $299 at Walmart right now, an enormous drop from its ...

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That HDTV in your living room looks fine, but its lustre will fade once you see 4K, aka Ultra HD, which doubles the resolution on both sides, so instead of 1920×1080, you’d see 3840×2160. This allows ...