Mini USB vs Micro USB

Two superseded USB connectors. Mini is the earlier, thicker one; micro is thinner and rated for roughly twice the insertion cycles.

Last reviewed

Quick answer

Both are old connectors and neither is used on anything new. Mini USB came first and is the chunkier, more trapezoid one, common on cameras and MP3 players of the 2000s. Micro USB replaced it around 2007: thinner, so it fits slimmer phones, and rated for twice as many plug-ins before it wears out. They are not interchangeable — the plugs are different shapes. If you are matching a cable to an old device, compare the shape rather than the name.

Verdict:
Both obsolete — micro is the later and thinner of the two

Side by side

SpecificationMini USBMicro USB
Introduced20002007
ThicknessAbout 3 mmAbout 1.8 mm
Rated insertionsAbout 5,000About 10,000
Speed480 Mbps480 Mbps
InterchangeableNoNo
Typically found onCameras, MP3 players, GPS unitsPhones, power banks, e-readers

Telling them apart

Mini is squarer and noticeably thicker with sloped corners. Micro is a flatter, wider sliver with the same trapezoid outline. Side by side it is obvious; from memory it is not, which is why cables get bought twice.

Why micro replaced mini

Phones were getting thinner and mini was too tall to fit. Micro also doubled the rated insertion cycles, which mattered once a connector was being used daily rather than to offload holiday photos.

Both are USB 2.0

Neither carries anything faster than 480 Mbps in the forms you will encounter. If speed matters, the device is too old for the cable to be the bottleneck worth fixing.

Identifying which you need

Look at the port rather than the cable. Mini is roughly square with sloped sides and noticeably deep; micro is a shallow, wider slot. If you are ordering for an old camera or GPS, photographing the port beside a coin for scale saves a wrong purchase.

Both are USB 2.0 in practice

Neither carries more than 480 Mbps in the forms you will meet, and neither supports modern fast charging. If you are moving a lot of data off an old device, a card reader is usually faster than the cable that came with it.

Where they still turn up

Mini persists on older digital cameras, GPS units, PlayStation 3 controllers and some audio interfaces. Micro is far more common and far easier to buy. Both are worth keeping one of, since replacements for genuinely old equipment are getting harder to find.

Check before you swap. Batteries with similar dimensions are not always interchangeable. Always verify voltage, chemistry and the requirements printed in your device manual before fitting a replacement.

Mini USB vs Micro USB: common questions

What is the difference between Mini USB and Micro USB?

Both are old connectors and neither is used on anything new. Mini USB came first and is the chunkier, more trapezoid one, common on cameras and MP3 players of the 2000s. Micro USB replaced it around 2007: thinner, so it fits slimmer phones, and rated for twice as many plug-ins before it wears out. They are not interchangeable — the plugs are different shapes. If you are matching a cable to an old device, compare the shape rather than the name.

Which should I choose, Mini USB or Micro USB?

Both obsolete — micro is the later and thinner of the two. Two superseded USB connectors. Mini is the earlier, thicker one; micro is thinner and rated for roughly twice the insertion cycles.

Introduced — how do they compare?

Mini USB: 2000. Micro USB: 2007.

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