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Overview

The Pentium Gold G5420 is manufactured by Intel. It was released in 23 April 2019 (6 years ago). It is based on the Coffee Lake (2017−2019) architecture. It features 2 cores and 4 threads. Base frequency is 3.8 GHz, with boost up to 3.8 GHz. L3 cache: 4 MB. L2 cache: 512 kB. Built on 14 nm process technology. Socket: LGA1151. Thermal design power (TDP): 54 Watt. Memory support: DDR4-2400. Passmark benchmark score: 3,700 points. Launch price was $64.

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Performance Per Dollar

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Technical Analysis

Detailed breakdown of Pentium Gold G5420 specifications and capabilities.

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Processing Power

The Pentium Gold G5420 is a 2-core / 4-thread processor based on the Coffee Lake (2017−2019) architecture, manufactured on a 14 nm process node. It reaches a maximum boost clock of 3.8 GHz from a base frequency of 3.8 GHz— higher boost clocks directly translate to better single-threaded performance and responsiveness in gaming. It carries 4 MB of L3 cache, plus 512 kB of L2 cache and 128 kB of L1 cache per core. In the PassMark benchmark (a comprehensive multi-threaded test), it scores 3,700, placing it in the Entry Level performance tier as a Legacy generation product. Geekbench 6 single-core (the most relevant metric for gaming FPS) records 764, while multi-core reaches 1,515.

Specification	Pentium Gold G5420
Cores / ThreadsPhysical/logical processing units	2C / 4T
Max Boost ClockPeak single-core speed under boost	3.8 GHz
Base ClockGuaranteed minimum operating frequency	3.8 GHz
ArchitectureCPU microarchitecture design	Coffee Lake (2017−2019)
Process NodeFabrication technology — smaller = more efficient	14 nm
L3 CacheShared cache — reduces memory latency for all cores	4 MB
L2 CachePer-core fast cache for frequently accessed data	512 kB
L1 CacheUltra-fast per-core cache	128 kB
Die SizePhysical silicon area of the processor	126 mm2
Bus SpeedData bus frequency	4 × 8 GT/s
Max TemperatureMaximum safe operating temperature (Tjmax)	100 °C
64-bit Support	Yes
Windows 11 Compatible	Yes
PassMark ScoreOverall multi-threaded benchmark score	3,700
Geekbench 6 SingleSingle-core performance — most relevant for gaming	764
Geekbench 6 MultiMulti-core parallel workload performance	1,515

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Memory & Platform

The Pentium Gold G5420 fits into the LGA1151 socket and supports PCIe 3.0 with 16 total PCIe lanes for expansion cards and storage. It supports DDR4-2400 memory at speeds up to DDR4-2400 (faster RAM improves bandwidth-sensitive workloads), with a maximum capacity of 64 GB across 2 channels (dual-channel doubles bandwidth). It supports ECC memory, providing error-correcting capabilities — essential for mission-critical workloads and servers. Integrated graphics: Intel UHD Graphics 610 — allows display output without a dedicated GPU, useful for troubleshooting and light tasks.

Specification	Pentium Gold G5420
TypeDesktop or Laptop processor	desktop
SeriesProduct family	Intel Pentium Gold
SocketMotherboard socket required	LGA1151
PCIe GenerationPeripheral interconnect speed — affects GPU and SSD bandwidth	PCIe 3.0
PCIe LanesTotal available lanes for GPUs, NVMe drives, and expansion	16
RAM TypeSupported memory standard	DDR4-2400
Max RAM SpeedMaximum officially supported memory frequency	DDR4-2400
Max RAM CapacityMaximum installable memory	64 GB
RAM ChannelsDual-channel doubles bandwidth vs single-channel	2
ECC SupportError-Correcting Code memory — prevents data corruption	Yes
Integrated GPUBuilt-in graphics processor	Intel UHD Graphics 610
Compatible ChipsetsMotherboard chipsets that support this CPU	H310,B360,B365,H370,Z370,Z390
Max CPUs in ConfigMulti-socket support for servers	1 (Uniprocessor)

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Advanced Features

The Pentium Gold G5420 is primarily designed for Office. Virtualization: VT-x / VT-d / EPT — enables running virtual machines efficiently (important for development and server workloads).

Specification	Pentium Gold G5420
Primary Use CaseIntended workload category	Office
OverclockingWhether CPU clock can be manually increased	🔒 Locked
AVX-512Advanced vector instructions for AI/ML workloads	❌ Not Supported
VirtualizationHardware-assisted virtualization technology	VT-x / VT-d / EPT

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Power & Cooling

The Pentium Gold G5420 has a rated TDP (Thermal Design Power) of 54 Watt — this indicates the amount of heat generated under sustained load and determines what cooling solution is needed. It ships with the Yes stock cooler. Recommended cooling: Stock.

Specification	Pentium Gold G5420
TDPThermal Design Power — heat output under sustained workload	54 Watt
Max TemperatureMaximum safe junction temperature (Tjmax)	100 °C
Included CoolerStock cooler bundled in the box	Yes
Recommended CoolerSuggested aftermarket cooling solution	Stock

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Value Analysis

Performance ranking position: #2069 out of all indexed processors.

Specification	Pentium Gold G5420
Launch PriceOriginal retail price at launch	$64
Performance RankPosition in overall performance ranking	#2069
Release DateLaunch date	23 April 2019 (6 years ago)
Release Year	2019
DesignerArchitecture designer (e.g. Intel, AMD)	Intel