iUniker GaN PD 27W 5.1V 5A 27W PD Power Supply USB-C for Raspberry Pi 5 vs 12V 1.25A 15W Power Supply Charger 4.0 * 1.7mm Power Cable Compatible with E-cho
Updated August 2026 — The iUniker GaN PD 27W Power Supply is the superior choice for Raspberry Pi users, while the 12V charger is a budget-friendly option for Echo devices.
The iUniker GaN PD 27W Power Supply is the superior choice for Raspberry Pi users, while the 12V charger is a budget-friendly option for Echo devices.
Why iUniker GaN PD 27W 5.1V 5A 27W PD Power Supply USB-C for Raspberry Pi 5 is better
Higher Power Output
iUniker provides 27W compared to 15W of the 12V charger.
Advanced Technology
iUniker uses GaN technology for efficiency.
Designed for Raspberry Pi
iUniker is specifically tailored for Raspberry Pi 5.
Why 12V 1.25A 15W Power Supply Charger 4.0 * 1.7mm Power Cable Compatible with E-cho is better
Lower Price
12V charger costs £6.39 compared to £13.79 for iUniker.
Longer Cable
12V charger has a 1.5m cable versus 120mm for iUniker.
Wide Compatibility
12V charger works with multiple Echo devices.
Overall score
Specifications
| Spec | iUniker GaN PD 27W 5.1V 5A 27W PD Power Supply USB-C for Raspberry Pi 5 | 12V 1.25A 15W Power Supply Charger 4.0 * 1.7mm Power Cable Compatible with E-cho |
|---|---|---|
| Brand | iuniker | MSMXCS |
| Compatibility | Raspberry Pi 5 | Echo devices |
| Safety Features | Yes | Yes |
| Efficiency Tech | GaN | None |
| Protection Features | Overvoltage, Overcurrent | Overvoltage, Overcurrent |
Dimension comparison
Overview of the Products
The iUniker GaN PD 27W Power Supply is priced at £13.79, while the 12V 1.25A Power Supply Charger is available for £6.39. This significant price difference of £7.40 sets the stage for a comparison that hinges on their intended uses and compatibility. The iUniker power supply is specifically designed for Raspberry Pi 5 devices, while the 12V charger is tailored for a variety of Echo devices, making them suitable for different consumer needs.
Compatibility
Compatibility is a key factor in choosing a power supply. The iUniker GaN PD 27W Power Supply is explicitly designed for the Raspberry Pi 5, supporting both the 4GB and 8GB models. In contrast, the 12V 1.25A Power Supply Charger is compatible with a range of Echo devices, including the Echo Dot (3rd, 4th, and 5th generations) and the Echo Show 5. This broad compatibility with multiple Echo models makes the 12V charger versatile for users with various smart devices, while the iUniker's niche focus caters directly to Raspberry Pi 5 users.
Power Output
The power output specifications highlight distinct advantages for each product. The iUniker power supply offers an output of 5.1V at 5A, making it capable of providing up to 27W of power. This is ideal for high-demand applications like powering a Raspberry Pi 5. On the other hand, the 12V charger delivers a stable output of 12V at 1.25A, resulting in a total power of 15W. While the iUniker outperforms in power capacity, the 12V charger is sufficient for the power requirements of compatible Echo devices.
Technology and Efficiency
The iUniker GaN PD Power Supply employs GaN technology, which allows for a smaller size without compromising power output. GaN technology is known for its efficiency, leading to lower heat generation during operation. This translates into a more stable performance, particularly for devices that require substantial power. The 12V charger, while effective, does not mention any advanced technology like GaN, suggesting it may not offer the same level of efficiency or thermal management as the iUniker model.
Safety Features
Safety features are crucial in power supply design. The iUniker power supply includes multiple protections against overvoltage, overcurrent, and short circuits, ensuring a safe operation for users. Similarly, the 12V charger also boasts built-in protections against overvoltage, overcurrent, short circuits, and overloads. Both products prioritise user safety, but the iUniker's additional power output may attract users needing more robust safety measures for higher power demands.
Cable Length and Design
The iUniker power supply comes with a 120mm cable, which may be suitable for desk setups but could limit flexibility in larger spaces. In contrast, the 12V charger features a more generous 1.5-metre cable, allowing for greater flexibility in positioning devices away from power outlets. This difference in cable length can significantly affect user experience, particularly for those who need to place their devices in distant locations from the power source.
Price Point
The price of the iUniker GaN PD Power Supply is £13.79, which is on the higher side compared to the 12V 1.25A Power Supply Charger at £6.39. This £7.40 difference might deter budget-conscious consumers but is justified by the iUniker's higher power output and advanced GaN technology. For users specifically needing to power Raspberry Pi devices, the iUniker’s investment may be worthwhile, while those looking for an economical option to power Echo devices may find the 12V charger more appealing.
Which should you buy?
Deciding between the iUniker GaN PD 27W Power Supply and the 12V 1.25A Power Supply Charger ultimately depends on your specific needs. If you require a power supply for a Raspberry Pi 5 with higher power demands and prefer advanced technology, the iUniker model is the clear choice. However, if you are looking for an economical and versatile solution for various Echo devices, the 12V charger offers excellent compatibility at a lower price. Consider your device compatibility and power needs to make the best choice for your situation.
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