Average CPU Power

Average CPU Power (abbreviation: ACP) is an introduced AMD power dissipation specification for processors. It aims to supplement the previously usual value of thermal design power (TDP ). While the TDP approximately specifies the maximum power dissipation and serves as a baseline for cooling, the ACP is an average processor power dissipation under load of (workload). AMD used to generate the workloads industry standard benchmarks such as the SPEC. In previously published AMD processors so the measured ACP values ​​are typically between 10 and 20 percent below their respective TDP values.

The ACP is similar so that an older definition of the thermal design power of Intel. AMD uses the specification for server type processors Opteron since the introduction of the K10 microarchitecture. Using the Average CPU Power, AMD plans to simplify the determination of the typical CPU power consumption.

ACP compared to TDP

  • 40 Watt ACP - 60 Watt TDP
  • 55 Watt ACP - 79 Watt TDP
  • 75 Watt ACP - 115 Watt TDP
  • 105 watt ACP - 137 Watt TDP

Swell

  • ACP - The Truth About Power Consumption Starts Here (PDF, 92 KiB)
  • AMD Unveils " Barcelona " Architecture, Report on the K10 architecture with details on ACP
  • Electric heat
  • Electrical power
  • Cooling technology
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