Pentium Gold 6405U
CPU·Budget

Pentium Gold 6405U

Intel

PassMark

1,320

31 October 2019 (6 years ago)
15 Watt
Comet Lake-U (2019−2020)

Performance Spectrum - CPU

About PassMark

PassMark CPU Mark evaluates processor speed through complex mathematical computations. It provides a reliable metric to compare multi-core performance, where higher scores indicate faster processing for multitasking, gaming, and heavy workloads.

Overview

The Pentium Gold 6405U is manufactured by Intel. It was released in 31 October 2019 (6 years ago). It is based on the Comet Lake-U (2019−2020) architecture. It features 2 cores and 4 threads. Base frequency is 2.4 GHz, with boost up to 2.4 GHz. L3 cache: 2 MB. L2 cache: 1 MB. Built on 14 nm process technology. Socket: FCBGA1528. Thermal design power (TDP): 15 Watt. Memory support: DDR4. Passmark benchmark score: 1,320 points. Launch price was $161.

Value Upgrade Path

This is the official ChipVERSUS Value Rating, comparing raw performance (PassMark) per dollar. Components placed above yours deliver better value for money.

MSRP is the manufacturer's suggested retail price.
Avg price is the current average price collected from markets across the web.

Performance Per Dollar

Based on actual market prices and performance synthetic scores.

FPS Benchmarks

Predicted performance for Pentium Gold 6405U across popular games. Tested paired with RTX 4090 to isolate CPU performance.

Technical Analysis

Detailed breakdown of Pentium Gold 6405U specifications and capabilities.

Processing Power

The Pentium Gold 6405U is a 2-core / 4-thread processor based on the Comet Lake-U (2019−2020) architecture, manufactured on a 14 nm process node. It reaches a maximum boost clock of 2.4 GHz from a base frequency of 2.4 GHz— higher boost clocks directly translate to better single-threaded performance and responsiveness in gaming. It carries 2 MB of L3 cache, plus 1 MB of L2 cache and 256 kB of L1 cache per core. In the PassMark benchmark (a comprehensive multi-threaded test), it scores 1,320, placing it in the Entry Level performance tier as a Legacy generation product.

SpecificationPentium Gold 6405U
Cores / ThreadsPhysical/logical processing units2C / 4T
Max Boost ClockPeak single-core speed under boost2.4 GHz
Base ClockGuaranteed minimum operating frequency2.4 GHz
ArchitectureCPU microarchitecture designComet Lake-U (2019−2020)
Process NodeFabrication technology — smaller = more efficient14 nm
L3 CacheShared cache — reduces memory latency for all cores2 MB
L2 CachePer-core fast cache for frequently accessed data1 MB
L1 CacheUltra-fast per-core cache256 kB
Bus SpeedData bus frequency4 GT/s
Max TemperatureMaximum safe operating temperature (Tjmax)100 °C
64-bit SupportYes
Windows 11 CompatibleYes
PassMark ScoreOverall multi-threaded benchmark score1,320
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Memory & Platform

The Pentium Gold 6405U fits into the FCBGA1528 socket and supports PCIe 3.0. It supports DDR4 memory.

SpecificationPentium Gold 6405U
TypeDesktop or Laptop processorLaptop
SeriesProduct familyIntel Comet Lake
SocketMotherboard socket requiredFCBGA1528
PCIe GenerationPeripheral interconnect speed — affects GPU and SSD bandwidthPCIe 3.0
RAM TypeSupported memory standardDDR4
Max CPUs in ConfigMulti-socket support for servers1
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Power & Cooling

The Pentium Gold 6405U has a rated TDP (Thermal Design Power) of 15 Watt — this indicates the amount of heat generated under sustained load and determines what cooling solution is needed.

SpecificationPentium Gold 6405U
TDPThermal Design Power — heat output under sustained workload15 Watt
Max TemperatureMaximum safe junction temperature (Tjmax)100 °C
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Value Analysis

Performance ranking position: #2327 out of all indexed processors.

SpecificationPentium Gold 6405U
Launch PriceOriginal retail price at launch$161
Performance RankPosition in overall performance ranking#2327
Release DateLaunch date31 October 2019 (6 years ago)
Release Year2019
DesignerArchitecture designer (e.g. Intel, AMD)Intel

Specifications Reference

Raw spec sheet for quick lookup. The analysis cards above explain what these fields mean in practice.

4 categories

General Information

7 specs

TypeLaptop
SeriesIntel Comet Lake
DesignerIntel
Launch Price$161
Release Date31 October 2019 (6 years ago)
Architecture CodenameComet Lake-U (2019−2020)
Performance Ranking Position2327

Technical Specifications

12 specs

Cores2
Threads4
L1 Cache256 kB
L2 Cache1 MB
L3 Cache2 MB
Bus Speed4 GT/s
Max Frequency2.4 GHz
64-Bit Support+
Base Frequency2.4 GHz
Process Technology14 nm
Max Core Temperature100 °C
Windows 11 Compatible+

Compatibility

4 specs

SocketFCBGA1528
PCIe GenerationPCIe 3.0
Power Consumption (TDP)15 Watt
Max Processors In Config1

Memory

4 specs

RAM TypesDDR4
Memory Channels2
Memory Bandwidth37.5 GB/s
Max Memory Capacity64 GB

Our Recommendation for Pentium Gold 6405U

Suggested pairings based on performance balance

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