Does the Quality of an HDMI Cable Make a Difference?
Since high definition multimedia interface cables carry such high price tags for some versions, people naturally want to know if they are getting their money's worth. The most important quality issue of an HDMI cable is the bandwidth, or how much information it will carry. Other quality considerations for performance and durability include materials and workmanship.
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Bandwidth
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The type of signal your HDTV uses determines the bandwidth of the cable needed. Manufacturers licensed to show HDMI certification must test category 1 or "standard" cables to meet or exceed a bandwidth of 2.25 Gbps for screens using signals up to 1,080i quality. For the higher quality 1,080p screens, category 2 or "high-speed" cables must meet or exceed 10.2 Gbps. For best results, select a cable that meets the bandwidth requirements of your system. Some manufacturers produce more expensive cables up to 17 Gbps in anticipation of future equipment needing more bandwidth. But these won't help until you actually have such equipment.
Connectors
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The pins on the connectors of HDMI cables may be plated in either nickel or gold. Gold transfers electronic signals better and does not tarnish. But these features may be moot with cables properly designed to meet bandwidth specifications used in households with heating and air conditioning. Gold plating alone doesn't necessarily mean a higher quality cable. Beware of any cable that doesn't have HDMI certification or doesn't specify a bandwidth or category.
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Materials
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Other than nickel- or gold-plated connectors, other materials can make a quality difference. Cables may have larger 24-gauge wires instead of 28 gauge, making the cable stronger or more suitable for longer runs. Higher quality shielding protects the signals from interference. Stronger and thicker materials for the outer covering make the cable less susceptible to damage from people stepping or placing furniture on them, or damage from pets, heat or water. Stronger connector materials prevent breakage from mishandling.
Workmanship
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Poorly constructed cables may not fit properly into sockets, make improper connections or be overly susceptible to damage. Since workmanship defects or poor materials are difficult to spot, always look for HDMI certification and bandwidth specifications. Beware of cables claiming exceptionally high quality at exceptionally low prices. Check "Consumer Reports" for new or unknown dealers or brand names and always ensure a warranty or refund policy before purchasing.
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References
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