Apevia ATX-GX650W Galaxy 650W 80+ Gold Certified vs Thermaltake Toughpower GT 850W ATX 3.1 Standard
Updated August 2026 — Thermaltake Toughpower GT 850W ATX 3.1 Standard leads on power output and warranty.
The Thermaltake Toughpower GT offers superior wattage and features, making it the better choice for high-performance builds, while the Apevia is a budget-friendly option.
Why Apevia ATX-GX650W Galaxy 650W 80+ Gold Certified is better
Price
Apevia is $40.53 cheaper.
Weight
Apevia is lighter.
Simplicity
Apevia's semi-modular design is easier for basic builds.
Why Thermaltake Toughpower GT 850W ATX 3.1 Standard is better
Power Output
Thermaltake provides 850W versus 650W.
Efficiency
Thermaltake claims up to 90% efficiency.
Warranty
Thermaltake offers a 5-year warranty.
Overall score
Specifications
| Spec | Apevia ATX-GX650W Galaxy 650W 80+ Gold Certified | Thermaltake Toughpower GT 850W ATX 3.1 Standard |
|---|---|---|
| Modularity | Semi-Modular | Fully Modular |
| Fan Tech | Thermal Control | Smart Zero Fan |
| PCIe Support | 6+2 Pins | 12+4 Pins |
| Cooling | 135mm Fan | 120mm Fan |
| Efficiency Rating | 80 PLUS Gold | 80 PLUS Gold |
Dimension comparison
Price Comparison
The Apevia ATX-GX650W Galaxy is priced at $54.99, while the Thermaltake Toughpower GT is available for $95.52, making the Apevia about 43% cheaper. This significant price difference may appeal to budget-conscious consumers looking for a reliable power supply without breaking the bank. While the Apevia provides a solid performance for mid-range gaming builds, the Thermaltake justifies its higher price with enhanced features and higher wattage capacity.
Power Output
The Apevia ATX-GX650W Galaxy delivers 650W of power, which is suitable for many gaming and high-performance PC builds. In contrast, the Thermaltake Toughpower GT provides 850W, making it a more robust option for users with high-end components or those planning to upgrade in the future. The additional 200W from the Thermaltake can be crucial for power-hungry CPUs and GPUs, allowing for better performance during intensive tasks or gaming sessions.
Efficiency Ratings
Both power supplies hold an 80 PLUS Gold certification, ensuring high energy efficiency and minimal heat output. The Apevia ATX-GX650W Galaxy operates efficiently, offering reliable power for gaming PCs. The Thermaltake Toughpower GT, however, claims to deliver up to 90% efficiency under typical load conditions. This slight edge in efficiency could lead to lower energy bills over time, making the Thermaltake a more appealing choice for users who prioritize energy savings in their builds.
Design and Modularity
The Apevia ATX-GX650W Galaxy features a semi-modular design that allows users to connect only the cables they need, which improves airflow and cable management within the case. On the other hand, the Thermaltake Toughpower GT boasts a fully modular design, including low-profile flat black cables for even better cable management. This fully modular approach allows users to customize their connections extensively, providing a cleaner look and potentially better airflow than the semi-modular design of the Apevia.
Fan Technology
The cooling solutions in both power supplies differ significantly. The Apevia ATX-GX650W Galaxy is equipped with a 135mm thermally controlled fan that automatically adjusts its speed based on the power load, ensuring quiet operation while maintaining optimal cooling. Conversely, the Thermaltake Toughpower GT utilizes Smart Zero Fan technology, which also adjusts fan speed but can turn off entirely during low-load operations. This means the Thermaltake may operate even quieter than the Apevia under minimal load, making it a better choice for silent PC builds.
Connectivity Options
In terms of connectivity, the Apevia ATX-GX650W Galaxy offers a range of connectors, including 2 x 8(6+2) PCI-E connectors, accommodating a variety of GPU setups. It also provides the ability to split connectors for different motherboard requirements, enhancing compatibility. The Thermaltake Toughpower GT supports newer standards with native PCIe 5.1 connectors, which are essential for modern GPUs. This forward-thinking design may offer more future-proofing for users planning to invest in cutting-edge hardware.
Warranty and Reliability
The Thermaltake Toughpower GT comes with a 5-year warranty, underscoring the brand's confidence in the product's reliability and durability. In contrast, the warranty details for the Apevia ATX-GX650W Galaxy are not specified, which could raise concerns for potential buyers regarding long-term reliability. A longer warranty can often be an indicator of a product's build quality and manufacturer's support, making the Thermaltake a more secure choice for those wary of potential issues down the line.
Which should you buy?
Choosing between the Apevia ATX-GX650W Galaxy and the Thermaltake Toughpower GT ultimately depends on your individual needs and budget. If you're looking for a cost-effective solution for a mid-range gaming build, the Apevia offers excellent value at $54.99. However, if you require higher wattage, advanced features, and improved efficiency, the Thermaltake at $95.52 provides a more robust option with modern connectivity and a longer warranty. For users planning for future upgrades or who prioritize a quiet operation, the Thermaltake Toughpower GT is the clear winner.

