He Built the Fastest Pre-Built PC on the Planet — Summary & Key Points
TL;DR
Splave PC launched the 'Splave Pro,' a pre-built gaming PC tuned by legendary overclocker Splave. By selecting a 9950X3D, applying custom 'T1000' thermal paste, and aggressively tuning memory timings and CPU power limits, the system delivers 7 to 12 percent more frames in CPU-bound titles like CS:GO while running 12 degrees cooler than a stock configuration.
Key Quotes
"We use the game mode to shut the other CCD off and we're we've been finding that the overclocking has been better on those than say a 9850x3d."
"For gaming, I prefer to keep it fixed core clock and gaming mode enabled so we can ramp up the frequency. I have it at 55, and I find that the fixed frequency helps with the 1% lows."
Steps
CPU Selection and Core Management
Splave selected the 9950X3D over the 9850X3D because the cores with 3D cache are better binned, and they use AMD's Game Mode to shut off the other eight cores during gaming to focus resources on the cache.
Memory Tuning for Stability
For stability, they disable Runtime Reduction and Memory Context Restore, which slows boot times but ensures a fresh train, and use a fixed 55 fixed frequency for gaming to improve 1% lows rather than relying on PBO.
Benchmark Results vs. Stock Build
A side-by-side test with a stock build showed only a 3% difference in GPU-bound games like Forza, but the tuned system achieved 7 to 12 percent higher FPS in CPU-bound titles like CS:GO and Cyberpunk while running 12 degrees cooler.
Custom Thermal Paste Application
They apply a custom 'T1000' thermal paste containing embedded liquid metal balls, which offers a 5 to 10 degree temperature improvement over standard paste.
Power and Boost Configuration
The system limits the CPU to 275 watts and uses Precision Boost Overdrive 4x with a +200 boost clock to maximize performance without hitting thermal limits.
GPU Tuning Strategy
Instead of undervolting, they set a fixed boost clock on the RTX 5090 and run the memory at a +7000 MHz overclock because the cooling is sufficient.
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