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Difficulty: HardCPU Architecture Cooling and Sockets

Match each CPU architectural concept or cooling technology on the left with its corresponding physical property or operational characteristic on the right.

  • Vapor Chamber CoolingUtilizes a sealed vacuum copper chamber containing a wicking structure and working fluid that phase-changes to spread heat across a planar surface.
  • Thermal Design Power (TDP)Represents the maximum amount of heat energy, expressed in watts, that the thermal solution must dissipate under realistic maximum workloads.
  • Pin Grid Array (PGA)Features pins located on the underside of the processor chip that mate with corresponding receptacles on the motherboard socket.
  • Simultaneous Multithreading (SMT)Schedules multiple instruction streams onto a single physical core by duplicating architectural state registers while sharing execution units.

Answer

Vapor Chamber Cooling pairs with phase-changing fluid in a sealed copper vacuum chamber; TDP pairs with maximum heat output in watts required for cooler sizing; Pin Grid Array pairs with processor packaging containing physical pins; Simultaneous Multithreading pairs with running multiple logical threads per physical core by sharing execution units.
Each CPU architectural term and cooling method correctly matches its technical definition: Vapor Chamber Cooling utilizes phase-changing fluid in a sealed copper chamber; TDP measures thermal dissipation requirements in watts; PGA has pins located on the CPU chip; and SMT allows multiple hardware threads to share execution units on a physical core.

Step-by-Step Solution

1
Analyze cooling technologies
Vapor Chamber Cooling relies on internal phase-change fluid movement across a flat surface, matching the description of liquid evaporating and condensing inside a sealed copper vacuum chamber.
Vapor chambers act as planar heat pipes to efficiently transfer heat away from concentrated hot spots.
2
Evaluate processor power specifications
TDP defines the thermal power output (in watts) under workload that a heatsink or liquid cooling loop must be capable of dissipating.
Selecting a cooler with a lower TDP rating than the CPU causes thermal throttling or thermal shutdown.
3
Differentiate socket packaging types
PGA places the contact pins directly on the underside of the CPU module.
This contrasts with LGA (Land Grid Array) where pins are located inside the motherboard socket.
4
Identify CPU microarchitectural thread handling
SMT allows a single physical processor core to present two logical cores to the operating system by sharing functional execution units.
By duplicating register sets, SMT keeps hardware pipelines full without needing duplicate full physical cores.

Key Concept

CPU Architecture, Cooling Mechanisms, and Socket Specifications
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Topics

CPU Architecture Cooling and Sockets

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