Cat6 is faster and more future-proof. Cat5e is cheaper and fine for most homes. If installing new cables, use Cat6. If you have Cat5e, no need to upgrade.
Factor
Cat5e
Cat6
Max Speed
1 Gbps
10 Gbps (up to 55m)
Frequency
100 MHz
250 MHz
Shielding
⚠️ Basic
✅ Better
Price
✅ Cheaper
❌ More expensive
Cat5e
Enhanced Cat5 cable supporting gigabit speeds.
✓ Pros
Cheaper
Supports 1 Gbps (enough for most)
Widely available
Flexible
✗ Cons
Limited to 1 Gbps
More crosstalk
Shorter max distance at high speeds
Cat6
Improved cable with better shielding and higher speeds.
✓ Pros
Supports up to 10 Gbps
Better shielding
Longer cable runs
Future-proof
✗ Cons
More expensive
Slightly thicker/stiffer
The Verdict
For new installations: use Cat6 or Cat6a. For existing Cat5e: no need to upgrade unless you have 10 Gbps internet (rare).
Frequently Asked Questions
Will Cat6 make my internet faster?
Only if you have internet faster than 1 Gbps. Most homes have 100-500 Mbps.
Can I mix Cat5e and Cat6?
Yes. The slowest cable in the chain determines max speed.
What about Cat7 or Cat8?
Overkill for homes. Cat6a is the sweet spot for future-proofing.