We found the Missing Performance: Zen 5 Tested with SMT Disabled 200

We found the Missing Performance: Zen 5 Tested with SMT Disabled

Synthetic Benchmarks & Browser Performance »

Test Setup

  • For the SMT enabled vs SMT disabled tests, all processors are running at their stock configuration
  • "SMT disabled" is "SMT Control" set to "Disable" in the BIOS, everything else is identical
  • Results for an additional test run "PBO Max x10 +200 MHz / CO -20" are included as "performance after manual tweaking." The settings are PBO power limits set very high, PBO Scalar set to x10, PBO Frequency override to +200 MHz and Curve Optimizer to -20 on all cores.
Test System "Zen 4 & Zen 5"
Processor:All AMD Ryzen 9000, 8000 & Ryzen 7000 processors
Motherboard: ASUS X670E Crosshair Hero
BIOS 2007
Ryzen 9000: BIOS 2201
Memory:2x 16 GB DDR5-6000
36-36-36-76
Infinity Fabric @ 2000 MHz
Graphics:PNY GeForce RTX 4090 XLR8
Storage:2 TB M.2 NVMe SSD
Air Cooling:Noctua NH-D15
Water Cooling:Arctic Liquid Freezer II
420 mm AIO
Thermal Paste:Arctic MX-6
Power Supply:Thermaltake Toughpower GF3 1200 W
ATX 3.0 / 16-pin 12VHPWR
Software:Windows 11 Professional 64-bit 23H2
VBS enabled (Windows 11 default)
Drivers:NVIDIA GeForce 555.85 WHQL
Ryzen Chipset Drivers 6.05.28.016
Ryzen 9000: 6.06.28.910

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