Overview
Linus Tech Tips collaborated with Splave, a renowned overclocking expert, to build what they claim is the fastest gaming PC on the planet. The video details the process of pushing high-end components, including an RTX 5090 graphics card and a 9800 X3D CPU, to their absolute limits, demonstrating overclocking techniques applicable to modern builds, even beyond this extreme setup. The goal was not only to maximize performance but also to explore power efficiency.
Key Points
- Component Selection: The build features a high-end ASRock X870E Taichi motherboard chosen for its in-depth BIOS overclocking options, an AMD 9800 X3D CPU (selected for its 3D cores and lack of need for complex clocking), and a pair of RTX 5090 graphics cards.
- Memory Overclocking: Despite opting for DDR5 6000 memory, the team focused on achieving extremely tight latencies, emphasizing that AMD memory controllers perform best within a specific latency range (around 6800). They experimented with boosting the memory controller beyond 6000 MHz.
- Thermal Management: Splave's custom thermal paste, containing a blend of gallium and other ingredients (essentially liquid metal), was used to improve cooling and enable better performance through PBO (Precision Boost Overdrive). A Fractal Lumen S36 RGB AIO cooler was also implemented.
- Power Supply: The build is powered by a CSIC Prime Titanium 1600W power supply, chosen for its ability to handle the immense power draw of the components, particularly the dual RTX 5090s.
- Overclocking Techniques: The team employed various overclocking techniques, including adjusting CPU clock speeds, memory timings, and voltage, to achieve maximum performance. They ultimately reached 890W power draw and achieved over 900 FPS in certain benchmarks.
Main Conclusions/Takeaways
- Overclocking Principles are Universal: While this build is extreme, the core overclocking principles demonstrated are applicable to a wide range of modern PC builds.
- Latency Matters: For AMD systems, achieving tight memory latencies is often more beneficial than simply chasing higher clock speeds, especially with DDR5 6000.
- Thermal Management is Crucial: Effective cooling, through thermal paste and cooling solutions, is essential for maximizing performance and stability during overclocking.
- Silicon Lottery: The ultimate performance achieved is influenced by the "silicon lottery"—the inherent variations in the quality of individual chips.
Important Details/Statistics
- GPU: ROG RTX 5090 Astral
- CPU: AMD 9800 X3D
- Motherboard: ASRock X870E Taichi
- Memory: DDR5 6000
- Power Supply: CSIC Prime Titanium 1600W
- Peak Power Draw: 890W
- FPS achieved in certain benchmarks: Over 900





