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Quick answer: The K670 wins for numpad users — full 104-key layout at $47.99. The K628 wins on compactness and price — 75% layout at $42.99. The decision is simple: need the numpad, get K670. Don’t need it, get K628.
Upgraded Hot-Swap;Quiet+ Red Switches;Dedicated Multimedia Controls;Vibrant Groovy RGB;
YES! TRUE HOT-SWAP;Practical Wired 78 Keys;More Than Quiet;Vibrant Groovy RGB;The Mix+ Grey;Pro Software Supported
Buy the Redragon K670 if you do data entry, accounting, or any number work that relies on the numpad. Full-size layout at $47.99 with all 104 keys and hot-swap.
Buy the Redragon K628 if you want a smaller footprint, don’t use the numpad, or want to save $5. 75% layout with function row and arrows is the more versatile compact format.
