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22 facts in comparison
Cat5e Ethernet Cable vs Cat6 Ethernet Cable
The most common cabling decision anyone makes, and the honest answer is less obvious than the category numbers suggest. Cat 6 adds 10 Gigabit capability, but only across 55 metres, and it sets no new ceiling at the speeds most homes actually run: gigabit, 2.5 and 5 Gigabit all go the full 100 metres on Cat 5e.
Cat 5e is thinner, more flexible, easier to terminate and cheaper. It carries the multi-gig speeds that current access points and NAS units use, and it does so at the full distance. Its limit is 10 Gigabit, which it cannot carry at any length that matters.
Cat 6 has two and a half times the bandwidth rating and the 10 Gigabit capability that comes with it, at a stiffness and cost penalty that is small but real. Its 10 Gigabit reach of 55 metres covers most runs inside a house and most of a small office; longer runs at that speed need Cat 6a.
The mistake in both directions is common. Buying Cat 6 for patch cords behind a desk buys nothing, because no cord is long enough for the difference to appear. Wiring the inside of walls with Cat 5e to save a few pence per metre risks a re-pull the day 10 Gigabit arrives, and pulling cable twice costs far more than the cable did.
The practical split: Cat 5e for patch leads, for short runs on a gigabit or multi-gig network, and for anywhere the cable is easy to replace. Cat 6 for anything inside a wall, under a floor or through a conduit, where the small premium buys the option of 10 Gigabit later without opening anything up.
Editor’s note
The honest position on Cat 5e is that it is underrated, and routinely dismissed by the people selling cable. It carries every speed a normal home network actually runs, at full length, and its flexibility is a real practical advantage when you are terminating a keystone in a shallow back box. Buying a higher category for a patch lead is the most common waste of money in home networking, and nothing in the specification supports doing it.
The honest position on Cat 6 is that its advantage is conditional while its marketing is not. The higher bandwidth rating is genuine, but it only becomes a speed advantage on equipment most homes do not own, and only across distances many runs exceed anyway. Where it earns its money is as insurance on a run you cannot easily reach again.
What I would push back on hardest is the framing that one of these is obsolete. Cat 5e is not obsolete; it is simply not future-proof, and those are different claims. The distinction matters, because the person most likely to be sold an unnecessary upgrade is the one who has been told their existing cable no longer works, when it almost certainly does.
Head-to-head points: every spec is scaled between these products only, so a product can score high here and modestly on its own page, where the VS Score measures it against the median of its class.
Where the Cat5e Ethernet Cable beats the Cat6 Ethernet Cable
- A much higher reach at top speed ?100 m vs 55 m
Where the Cat6 Ethernet Cable beats the Cat5e Ethernet Cable
- A much higher maximum data rate ?10 Gbps vs 2.5 Gbps
- A much higher bandwidth ?250 MHz vs 100 MHz
- A much higher 10 Gigabit reach ?55 m vs 0 m
- Has 10 Gigabit Ethernet ?
Key real-world differences
The spec sheet pulls in both directions. These are the gaps big enough to shape the decision — with the actual figures, and what each one means in real-world use.
- Maximum data rateSpeed & reach2.5 Gbps vs 10 Gbps — 4× more for the Cat6 Ethernet Cable
The fastest Ethernet speed this cable category is rated to carry.
- 10 Gigabit reachSpeed & reach0 m vs 55 m — 55 m more for the Cat6 Ethernet Cable
How far the cable carries 10GBASE-T. Zero means the category is not rated for 10 Gigabit at all.
Which one should you buy?
There is no single answer — it depends on what you will actually use it for. Match your priority to the pick below.
- Best for speed & reach Cat6 Ethernet Cable takes the category 89 to 32 — driven by maximum data rate (2.5 Gbps vs 10 Gbps).
- The safe all-rounder Cat6 Ethernet Cable wins 1 of 4 categories and tops the overall VS Score at 93.
Where each one falls short
Cat5e Ethernet Cable
- Maximum data rate: 2.5 Gbps vs 10 Gbps
- 10 Gigabit reach: 0 m vs 55 m
- 10 Gigabit Ethernet: No vs Yes
- 6 specs are unreported (shown as Unknown) and excluded from its scores.
Cat6 Ethernet Cable
- Reach at top speed: 100 m vs 55 m
- 6 specs are unreported (shown as Unknown) and excluded from its scores.
What matters to you?
Drag the sliders to weight each category and re-rank the products to suit your priorities.
Score breakdown
Speed & reach
Construction & shielding
Power & connectors
Standards & status
Specs last verified October 11, 2026Cat5e Ethernet Cable: 22 of 28 specs verified (79%)Cat6 Ethernet Cable: 22 of 28 specs verified (79%)Unverified specs show as Unknown — never estimated, never scored
What reviewers say
The bottom line
The decision is not really about speed, it is about access. Ask one question: if this cable needs replacing in ten years, how much of the building has to come apart to do it?
If the answer is that you simply unplug it, buy Cat 5e and stop thinking about it. Patch leads behind a desk gain nothing from a higher category, and the thinner cable dresses more neatly into a crowded rack or a shallow wall box.
If the answer involves plaster, floorboards or a conduit, buy Cat 6. The premium is small change per metre; the cost of pulling cable a second time is a lost weekend and a mess. That asymmetry, rather than any row in the table above, is what should settle it.