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CORSAIR HX1500i vs GameMax 750W Rampage Power Supply

Updated August 2026The CORSAIR HX1500i is a superior choice for high-performance needs, while the GameMax 750W Rampage offers great value for budget builds.

The CORSAIR HX1500i is a superior choice for high-performance needs, while the GameMax 750W Rampage offers great value for budget builds.

Why CORSAIR HX1500i is better

Modularity

Fully modular design for better cable management

Efficiency

Intel ATX 3.1 certified for high compatibility

Cooling

Advanced cooling with Zero RPM fan mode

Why GameMax 750W Rampage Power Supply is better

Price

Significantly lower price point

Basic Use

Sufficient for entry-level gaming systems

Simplicity

Semi-modular design for easier setup

Overall score

CORSAIR HX1500i
90
GameMax 750W Rampage Power Supply
60

Specifications

SpecCORSAIR HX1500iGameMax 750W Rampage Power Supply
BrandCorsairGAMEMAX
CertificationATX 3.180 Plus Bronze
Fan Size140mm14cm
SoftwareiCUENone
WarrantyComprehensiveLimited

Dimension comparison

CORSAIR HX1500iGameMax 750W Rampage Power Supply

Overview of the Products

In this article, we will be comparing the CORSAIR HX1500i and the GameMax 750W Rampage Power Supply. The CORSAIR HX1500i is a high-end power supply priced at £229.00, while the GameMax 750W Rampage is a budget-friendly option available for only £45.80. This significant price difference reflects the disparity in features and target audiences for these two power supplies.

The CORSAIR HX1500i is designed for advanced users seeking top-tier performance, while the GameMax Rampage caters to those looking for a reliable power source without breaking the bank. Each product has its own strengths, making them suitable for different types of builds and users.

Design and Build Quality

The design and build quality of a power supply are crucial for ensuring reliability and longevity. The CORSAIR HX1500i features fully modular cabling, allowing users to connect only the cables necessary for their system, resulting in a cleaner and more organised build. This modularity is especially beneficial for those who prioritise aesthetics and airflow within their PC cases.

On the other hand, the GameMax 750W Rampage utilises a semi-modular design, which simplifies cable management to some extent while still requiring some non-modular cables. This design is ideal for budget-conscious builders who want an efficient setup without the premium features of a fully modular unit. Both products are built with quality in mind, but the HX1500i offers more flexibility in cable management.

Performance and Efficiency

When it comes to performance, the CORSAIR HX1500i stands out with its Intel ATX 3.1 certification, which supports the latest PCIe Gen 5 platform. This ensures high compatibility with modern components and resilience against transient power spikes. Meanwhile, the GameMax Rampage is 80 Plus Bronze certified, achieving an efficiency rating of up to 88% at a 50% load. This certification indicates that while it may not match the efficiency of higher-end models, it still performs adequately for a budget power supply.

The superior performance of the HX1500i makes it a better choice for high-demand systems, while the Rampage is sufficient for basic gaming rigs or general use. Thus, if you are building a system that requires robust power delivery, the HX1500i is the clear winner.

Cooling Solutions

Effective cooling is essential for maintaining performance and longevity in power supplies. The CORSAIR HX1500i employs a 140mm Fluid Dynamic Bearing (FDB) fan, which is designed to operate quietly while providing excellent airflow. Additionally, the Zero RPM Fan Mode allows the fan to switch off entirely at low and medium loads, ensuring silent operation.

Conversely, the GameMax Rampage features a 14cm cooling fan that is also designed for quiet operation. While it offers effective cooling, it lacks the advanced features of the CORSAIR fan, such as the Zero RPM mode. Therefore, while both power supplies aim for silent performance, the HX1500i has the edge with its advanced cooling technology and quieter operation under minimal loads.

Software and Monitoring Features

Monitoring power settings and managing fan performance can greatly enhance the user experience. The CORSAIR HX1500i comes equipped with powerful CORSAIR iCUE software, allowing users to create custom fan curves, monitor power settings, and toggle between single to multi-rail overcurrent protection (OCP) on-the-fly. This level of control and customisation is ideal for enthusiasts who want to fine-tune their systems for optimal performance.

The GameMax Rampage, while reliable, does not include any software-based monitoring features. As a result, users will not have the same level of control over their power supply’s performance. For those who value software integration and detailed monitoring, the CORSAIR HX1500i clearly stands out as the more advanced option.

Target Audience

Understanding the target audience for each power supply is crucial in making a decision. The CORSAIR HX1500i is aimed at gamers and PC builders who demand high performance, reliability, and advanced features. Its price point of £229.00 reflects this target market, making it suitable for high-end gaming rigs and professional workstations.

In contrast, the GameMax 750W Rampage is designed for budget-conscious users, beginners, or casual gamers. Priced at £45.80, it offers a solid performance for entry-level builds and users who may not require the extensive features of a premium power supply. This makes the Rampage an excellent choice for those seeking a dependable power source without the advanced specifications found in higher-end models.

Warranty and Support

Warranty and customer support can greatly influence buying decisions, particularly for major components like power supplies. The CORSAIR HX1500i typically comes with a more comprehensive warranty, reflecting its premium status and the brand's commitment to quality. This reassurance can be vital for users investing in a high-performance unit.

The GameMax Rampage, while providing reliable performance, may offer a less extensive warranty, which is common in budget products. Users should consider the level of support they may need based on their experiences and the complexity of their builds. For those who prioritise peace of mind and robust support, the HX1500i is likely the better option.

Which should you buy?

In conclusion, the choice between the CORSAIR HX1500i and the GameMax 750W Rampage Power Supply comes down to the specific needs and budget of the user. If you are looking for a high-performance power supply with advanced features, excellent cooling, and robust monitoring options, the CORSAIR HX1500i is the clear choice at £229.00. However, if you are a budget-conscious builder seeking a reliable and efficient power supply for basic systems, the GameMax 750W Rampage, priced at £45.80, provides excellent value for money. Ultimately, your decision should reflect your performance needs and budget considerations.

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CORSAIR HX1500i vs GameMax 750W Rampage Power Supply | versusfinder