Transmitting data reliably and efficiently is a basic need in electronics, and that’s where data transmission technologies like LVDS and EDP come into play. While they’re often seen as interchangeable, there are clear differences in how they perform and where they work best.
This article breaks down the basics behind both types of connectors, comparing signal types, speed, power, and physical size. Whether you’re designing embedded systems or reviewing screen interfaces, understanding LVDS vs EDP could help you choose the right tech for the job.
Technology Purpose
Both LVDS and EDP are well-known in engineering circles, yet they often serve slightly different roles and knowing what each was built for can clear up a lot of confusion.
LVDS (Low-Voltage Differential Signalling) is an older, reliable method used to transmit high-speed data across short distances. It’s usually the go-to option in situations where noise reduction and consistent signal quality are crucial, such as in industrial electronics or embedded systems. It uses differential signals, which help keep interference low, even in electrically noisy environments.
EDP (Embedded DisplayPort), on the other hand, is based on the DisplayPort standard but tailored for internal connections, particularly between graphics cards and screens in laptops or tablets. It was introduced as a lighter, more compact, and power-friendly alternative to LVDS for modern display needs.
So, although both sit under the wider umbrella of data transmission technologies, the context and priorities behind each one, from design origin to practical use, are fairly different.
Signal Type
LVDS and EDP might both move data around, but how they handle signals is where things start to split. Here’s how they differ in this area:
- LVDS uses differential signalling
Two wires carry opposite signals. The difference between them creates the actual data signal, which cuts down on electrical noise and allows for more reliable performance in less-than-perfect environments. - EDP uses a unidirectional, serial signal approach
Based on the DisplayPort standard, it’s designed for high-speed, one-way data flow, which makes it ideal for modern displays that need to show fast-changing visuals. - LVDS is parallel in nature
It sends multiple bits simultaneously across different wire pairs. That adds bulk but keeps things simple in terms of timing. - EDP is serial
It sends bits one after the other using fewer wires. This makes the connector smaller and the setup more power-efficient, but it does lean more on the system’s ability to synchronise things.
Data Transmission Speed
Speed often plays a big part in picking the right connector, especially if you’re working with high-resolution graphics, video, or large data sets. Let’s take a quick look at how LVDS vs EDP speed tends to compare:
| Technology | Typical Max Data Rate | Notes |
| LVDS | Around 655 Mbps per channel | Slower, but consistent – good for lower-resolution or embedded use |
| EDP | Up to 8.1 Gbps per lane | Much faster – especially suited for modern high-res displays |
LVDS might still be fast enough for many embedded or industrial setups. But if you’re pushing a lot of pixels across a screen, say in a laptop or table,t EDPs with higher bandwidth can really help. And because it’s serial rather than parallel, EDP keeps cable complexity down while ramping up speed.
So, when thinking about LVDS vs EDP speed, it’s clear each has its sweet spot; it just depends on how much data you need to push and how fast.
Power Consumption
If you’re building something that needs to run cool, quiet, and efficiently, power matters. And in that sense, there’s a noticeable difference between how LVDS and EDP behave.
LVDS power consumption tends to be higher. Since it uses multiple differential pairs to transmit data, more power is required to keep everything running smoothly. This might not be a huge issue in systems with plenty of power available, but it can be a concern in compact or battery-powered devices.
EDP, on the other hand, is built for efficiency. It uses fewer wires, lower voltages, and smarter signalling. That all adds up to less strain on the power budget, especially in portable electronics where every milliamp counts.
So, if energy use is something you’re keeping a close eye on, say, for wearables or mobile devices, EDP usually makes more sense. Still, for less power-sensitive setups, LVDS can hold its own just fine.
Application
Choosing between LVDS and EDP usually comes down to what you’re building and who it’s for. Here’s a look at where each one tends to show up:
LVDS is often used in:
- Industrial control systems with embedded displays
- Automotive infotainment and dashboard interfaces
- Medical imaging devices need signal stability
- Older laptop models and legacy display panels
- Broadcast equipment and test instrumentation
EDP is more common in:
- Modern laptops and ultra-thin notebooks
- Tablets and hybrid touchscreen devices
- High-definition monitors with internal DisplayPort links
- Smart appliances with embedded graphical interfaces
- Energy-efficient mobile devices where space and power are limited
The takeaway here? LVDS still has a place, particularly in industries where stability and compatibility outweigh speed or compactness. But for newer, slimmer, and faster gear, EDP usually ticks more boxes. So when you’re weighing up that EDP connector comparison, start by thinking about the environment your tech needs to perform in.
Connector Size
In compact designs, space isn’t just a nice-to-have; it’s non-negotiable. And this is where the size of your connector can tip the balance.
LVDS connectors are relatively larger because of the multiple wire pairs they use. That bulk means they’re better suited to setups where there’s a bit more breathing room, say, inside industrial machines or control cabinets.
EDP connectors, being serial and more integrated, are smaller and neater. They’re designed with tight spaces in mind, which is why they show up in laptops, tablets, and other devices where every millimetre counts.
So, if physical space is one of your limiting factors, that could be the dealbreaker. Compact builds tend to favour EDP, while LVDS still finds a home in more open, modular environments.
Choosing between LVDS and EDP doesn’t need to be complicated – just grounded in what your project needs. If you’re working on something that demands high speed, small form factor, and low power, EDP could be the more practical fit. But for solid performance in challenging environments where reliability matters most, LVDS still has a lot to offer.
Altimex provides a full range of electronic manufacturing services to support both technologies, helping you build smarter from the start. If you’re unsure which connector best suits your setup, just contact us; we’re happy to help.
