Cooler Master V750 SFX Gold 750W Fully Modular vs Seasonic VERTEX GX-1200 - 1200W - 80+ Gold - ATX
Updated August 2026 — Seasonic VERTEX GX-1200 - 1200W - 80+ Gold - ATX leads on power output and modularity.
The Cooler Master V750 SFX Gold is a compact and budget-friendly option, while the Seasonic VERTEX GX-1200 offers superior power capacity and cooling. Choose based on your specific needs.
Why Cooler Master V750 SFX Gold 750W Fully Modular is better
Price
Cooler Master is $161.80, cheaper than Seasonic's $239.99.
Size
Cooler Master is designed for small form factor builds.
Warranty
Both have long warranties, but Cooler Master is still competitive.
Why Seasonic VERTEX GX-1200 - 1200W - 80+ Gold - ATX is better
Power
Seasonic offers 1200W compared to Cooler Master's 750W.
Cooling
Seasonic has a larger 135mm fan for better cooling.
Efficiency
Both are 80+ Gold, but Seasonic has tighter voltage regulation.
Overall score
Specifications
| Spec | Cooler Master V750 SFX Gold 750W Fully Modular | Seasonic VERTEX GX-1200 - 1200W - 80+ Gold - ATX |
|---|---|---|
| Form Factor | SFX | ATX |
| Modularity | Fully Modular | Fully Modular |
| Cooling Type | FDB Fan | FDB Fan |
| Cable Type | Custom Short | Standard |
| Efficiency Rating | 80+ Gold | 80+ Gold |
Dimension comparison
Overview of the Products
When comparing the Cooler Master V750 SFX Gold and the Seasonic VERTEX GX-1200, it's essential to consider their core features and intended applications. The Cooler Master is a compact 750W power supply designed for smaller builds, while the Seasonic boasts a robust 1200W capacity suitable for more demanding setups. The price difference is significant, with the Cooler Master retailing at $161.80 and the Seasonic at $239.99, making the Cooler Master about 33% cheaper.
Power Output Comparison
The primary distinction between these two power supplies is their wattage. The Seasonic VERTEX GX-1200 delivers a powerful 1200W, making it ideal for high-performance systems, particularly those equipped with multiple GPUs or high-end components. In contrast, the Cooler Master V750 SFX Gold offers a maximum output of 750W, which is sufficient for most mid-range gaming rigs and builds. This difference in power capacity could be a deciding factor for users planning future upgrades or who require more power-hungry components.
Efficiency Ratings
Both power supplies carry an 80+ Gold certification, indicating high efficiency in power conversion. The Cooler Master claims 90% efficiency, while the Seasonic also adheres to the same high standards, ensuring minimal energy waste and lower electricity bills. This rating is significant for users who prioritize energy efficiency in their builds, as both options will provide reliable performance without excessive energy consumption.
Form Factor and Design
The Cooler Master V750 SFX Gold is designed for small form factor (SFF) cases, making it a top choice for mini-ITX builds. Its compact design does not compromise performance, as it features essential components like a fluid dynamic bearing fan for efficient cooling. On the other hand, the Seasonic VERTEX GX-1200 follows the standard ATX form factor, which may be more suitable for larger builds. Users must consider their case's compatibility when choosing between these two options.
Cable Management
In terms of cable management, both power supplies offer fully modular designs, allowing users to connect only the cables they need. The Cooler Master incorporates customized short cables to reduce clutter in smaller cases, while the Seasonic features a range of high-quality cables, including the new 12VHPWR connector for next-gen GPUs. This design consideration is crucial for gamers and builders who value an organized and tidy build.
Cooling Solutions
The cooling solutions differ significantly between the two products. The Cooler Master utilizes a 92mm fluid dynamic bearing fan, designed for low noise and efficient airflow in compact environments. In contrast, the Seasonic employs a larger 135mm fluid dynamic bearing fan, which also operates quietly but may provide enhanced cooling due to its size. Users with high-performance components that generate more heat might find the Seasonic's cooling capacity advantageous.
Warranty and Reliability
Both power supplies come with impressive warranties, which speak to their reliability. The Cooler Master V750 SFX Gold is backed by a 10-year warranty, while the Seasonic VERTEX GX-1200 offers an even longer 12-year warranty. This extended warranty period for the Seasonic may provide additional peace of mind for users investing in a high-capacity power supply, ensuring long-term support and reliability.
Price Consideration
Price is a crucial factor in this comparison. The Cooler Master V750 SFX Gold is priced at $161.80, making it a more budget-friendly option, especially for those who do not require excessive wattage. Conversely, the Seasonic VERTEX GX-1200 is priced at $239.99, which may deter budget-conscious consumers. The price difference of about $78.19 reflects the additional capacity and features of the Seasonic, but it’s essential to weigh these benefits against your specific needs.
Which should you buy?
Choosing between the Cooler Master V750 SFX Gold and the Seasonic VERTEX GX-1200 ultimately depends on your specific requirements. If you need a compact, efficient power supply for a mid-range build and prefer a lower price point, the Cooler Master is an excellent choice. However, if you are building a high-performance system that demands more power and cooling capabilities, the Seasonic justifies its higher price with superior wattage and features. Consider your current setup and future plans carefully to make the best decision.

