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CORSAIR RM1000e vs GameMax 800W Rampage Power Supply

Updated August 2026The CORSAIR RM1000e is a superior choice for high-performance builds, while the GameMax 800W Rampage is a solid budget option. Choose based on your specific needs and budget.

The CORSAIR RM1000e is a superior choice for high-performance builds, while the GameMax 800W Rampage is a solid budget option. Choose based on your specific needs and budget.

Why CORSAIR RM1000e is better

Modularity

Fully modular design for better cable management.

Efficiency

Higher efficiency with ATX 3.1 certification.

Noise Levels

Quieter operation with a specially designed fan.

Why GameMax 800W Rampage Power Supply is better

Price

Significantly lower price point.

Basic Performance

Adequate for casual gaming setups.

Cooling Fan Size

Larger fan for potentially better cooling.

Overall score

CORSAIR RM1000e
85
GameMax 800W Rampage Power Supply
60

Specifications

SpecCORSAIR RM1000eGameMax 800W Rampage Power Supply
BrandCorsairGAMEMAX
CertificationATX 3.180 Plus Bronze
Fan Size120mm140mm
Capacitors105°C-ratedJapanese TK
Modular TypeFully ModularNon-Modular

Dimension comparison

CORSAIR RM1000eGameMax 800W Rampage Power Supply

Overview of the Power Supplies

When it comes to power supplies, the CORSAIR RM1000e and the GameMax 800W Rampage offer two distinct options catering to different user needs. The CORSAIR RM1000e, priced at £149.88, is a fully modular power supply that targets high-performance builds, while the GameMax Rampage is a more affordable option at £45.94, designed for budget-conscious gamers and basic systems.

The RM1000e's high price reflects its advanced features, including Intel ATX 3.1 certification and low-noise operation. In contrast, the GameMax Rampage offers a solid performance for casual gaming and builds without the premium cost, making it a versatile choice for various users.

Build Quality and Components

The build quality of a power supply is crucial for reliability, and both the CORSAIR RM1000e and GameMax 800W Rampage demonstrate different philosophies in this area. The CORSAIR RM1000e features 105°C-rated capacitors, which provide steady and reliable power, ensuring dependable electrical performance. This high-quality construction is indicative of its premium positioning in the market.

On the other hand, the GameMax Rampage is equipped with a Japanese TK main capacitor, which contributes to its reliability and longevity. While the materials may not match those of the RM1000e, they do offer a commendable level of quality for its price range. Thus, while the RM1000e leans towards high-end components, the Rampage offers sufficient quality for everyday gaming needs.

Efficiency Ratings

Efficiency is a key consideration for users looking to optimise power consumption and reduce energy costs. The CORSAIR RM1000e excels in this area with its compliance to the ATX 3.1 power standard, which supports high transient power excursions, ensuring stable performance during demanding tasks. This feature makes it a suitable choice for systems that require robust power delivery.

Conversely, the GameMax Rampage holds an 80 Plus Bronze certification, indicating it achieves up to 88% efficiency at a load of 50%. This level of efficiency is commendable, especially for a budget power supply, but it does fall short of the advanced efficiency standards set by the RM1000e. Users seeking maximum efficiency and performance would likely prefer the RM1000e for its higher-grade certification.

Modularity

Modularity influences cable management and ease of installation in PC builds. The CORSAIR RM1000e is a fully modular power supply, enabling users to connect only the necessary cables for their setup. This feature not only reduces clutter but also improves airflow within the case, which is particularly beneficial for high-performance builds.

In contrast, the GameMax 800W Rampage is a non-modular power supply. This means all cables are permanently attached, which can lead to a messier build if not managed correctly. While the Rampage is designed to deliver reliable performance, its non-modular nature may deter users who prioritise neatness and airflow in their builds.

Noise Levels

Noise production is an important aspect for users who value quiet operation in their systems. The CORSAIR RM1000e boasts a 120mm rifle bearing fan with a specially calculated fan curve, designed to keep operational noise to a minimum, even under full load. This feature makes it an excellent choice for silent builds or environments where noise is a concern.

On the other hand, the GameMax 800W Rampage includes a larger 14cm cooling fan, which is marketed as ultra-silent. While it aims to provide effective cooling with minimal noise, the lack of detailed specifications on its noise levels compared to the RM1000e leaves some uncertainty about its performance in this area. Users who require absolute silence may still lean towards the RM1000e.

Compatibility and Power Delivery

Power delivery and compatibility are vital considerations when selecting a power supply. The CORSAIR RM1000e supports the latest technologies, including PCIe 5.1, making it a future-proof choice for high-end components. Its ability to withstand 2x transient power excursions ensures that it can handle demanding graphics cards and other power-hungry components seamlessly.

In comparison, the GameMax 800W Rampage is designed with a single 12V rail, which allows for high compatibility and a strong current output. This configuration is suitable for a variety of gaming setups, but it may not offer the same level of future-proofing as the RM1000e. Gamers with less demanding setups may find the Rampage sufficient, while those with high-performance components would benefit more from the capabilities of the RM1000e.

Price and Value Proposition

Price is a significant factor influencing the decision between the CORSAIR RM1000e and the GameMax 800W Rampage. The RM1000e, priced at £149.88, represents an investment in high performance, modularity, and efficiency, catering to enthusiasts and serious gamers who demand top-tier specifications and reliability.

On the other hand, the GameMax Rampage is priced at £45.94, making it an attractive option for budget-conscious users or those who require a power supply for basic systems. While it offers decent performance for its price, it lacks some advanced features found in the RM1000e. Therefore, users must weigh their specific needs against their budget when considering these options.

Which should you buy?

Ultimately, the choice between the CORSAIR RM1000e and the GameMax 800W Rampage comes down to your specific requirements and budget. If you are building a high-performance gaming rig and value modularity, efficiency, and low noise, the CORSAIR RM1000e is the clear winner. However, if you are looking for a budget-friendly option for a basic gaming setup or a first-time build, the GameMax Rampage offers solid performance at a fraction of the price. Consider your power needs, future expansion plans, and budget carefully to make the best decision for your build.

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CORSAIR RM1000e vs GameMax 800W Rampage Power Supply | versusfinder