Micro HDMI (Type D) and Mini HDMI (Type C) are two different, physically incompatible connectors — Mini HDMI is larger and used on cameras and tablets, while Micro HDMI is smaller and found on smartphones, GoPros, and Raspberry Pi boards. Both carry the same HD video and audio signals, but you cannot plug one into the other.
- You match the correct connector type to your device’s port
- You use cable lengths under 5m for Mini HDMI or under 3m for Micro HDMI
- You handle both connectors gently to avoid bending the pins
- You try to plug a Mini HDMI cable into a Micro HDMI port or vice versa
- You force a mismatched connector — this can damage the port
- You use excessively long cables, which cause signal degradation
Size and Shape: The Core Difference
Mini HDMI (Type C) measures approximately 10.4 mm × 2.4 mm. Micro HDMI (Type D) is noticeably smaller at around 6.4 mm × 2.8 mm — slightly narrower but taller. Despite looking similar at a glance, the shapes and pin layouts are different enough that the connectors physically cannot be swapped. Both use 19 pins and deliver identical signal capability, including resolutions up to 8K, so the difference is purely physical, not technical.
Which Devices Use Which Connector?
| Connector | HDMI Type | Common Devices | Max Recommended Length |
|---|---|---|---|
| Mini HDMI | Type C | DSLR/mirrorless cameras, some tablets | 5m |
| Micro HDMI | Type D | Smartphones, GoPro, Raspberry Pi | 3m |
If you own a Nikon Z6 or similar mirrorless camera, you almost certainly need a Mini HDMI cable. If you’re connecting a GoPro Hero or Raspberry Pi to a monitor, you need Micro HDMI. Always check your device’s manual or port label before buying.
How to Connect Either to a Standard TV or Monitor
Both Mini and Micro HDMI ports need an adapter or a purpose-made cable (e.g., Micro HDMI to Standard HDMI) to connect to a full-size HDMI port on a TV or monitor. These cables are widely available and work reliably within the recommended length limits. According to the HDMI.org connector specification, all Type C and Type D connectors must carry the same 19-pin signal standard, so no quality is lost compared to a full-size cable — as long as the cable is well made and not too long.
If your device has USB-C instead, that’s a different situation entirely. Read our guide on whether USB-C can connect to HDMI for a full breakdown. Some newer devices are dropping Micro HDMI in favour of USB-C with video output — check whether yours supports it using our article on USB-C video support.
Quick Tips to Avoid Buying the Wrong Cable
- Check your device’s spec sheet — it will say Type C (Mini) or Type D (Micro)
- Mini HDMI ports look like a slightly squashed rectangle; Micro HDMI ports are smaller and more square
- Never force a connector — if it doesn’t seat easily, it’s the wrong type
- Buy cables no longer than you need; shorter is always safer for small connectors
Bottom line: Micro HDMI and Mini HDMI are not interchangeable. Check which type your device uses before buying any cable or adapter — the connectors look similar but are physically different, and forcing the wrong one can damage your port.