Core i3-8145U
CPU·Budget

Core i3-8145U

Intel

PassMark

3,781

1 October 2018 (7 years ago)
15 Watt
Whiskey Lake-U (2018−2019)

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 Core i3-8145U is manufactured by Intel. It was released in 1 October 2018 (7 years ago). It is based on the Whiskey Lake-U (2018−2019) architecture. It features 2 cores and 4 threads. Base frequency is 2.1 GHz, with boost up to 3.9 GHz. L3 cache: 4 MB (total). L2 cache: 256 kB (per core). Built on 14 nm process technology. Socket: FCBGA1528. Thermal design power (TDP): 15 Watt. Memory support: DDR4. Passmark benchmark score: 3,781 points. Launch price was $281.

Value Upgrade Path

This is the official ChipVERSUS Value Rating, comparing raw performance (PassMark) per dollar. The Core i3-8145U is positioned at rank #587 in our cost-efficiency ranking, representing a Lower cost-benefit for your build. 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 Core i3-8145U

#184
Core Ultra 7 266V
MSRP: $520|Avg: $520
98%
#575
Atom x5-Z8300
MSRP: $20|Avg: N/A
776%
#576
Atom Z3735G
MSRP: $17|Avg: N/A
765%
#577
Core i5-480M
MSRP: $81|Avg: $77
702%
#578
Core i5-460M
MSRP: $80|Avg: $129
699%
#579
Core i5-2540M
MSRP: $266|Avg: $10
692%
#581
Core i5-450M
MSRP: $32|Avg: $31
669%
#582
Core i3-380M
MSRP: $49|Avg: $25
641%
#583
Core i5-430M
MSRP: N/A|Avg: $33
640%
#584
Core 2 Duo T6600
MSRP: N/A|Avg: $4
623%
#587
Core i3-8145U
MSRP: N/A|Avg: N/A
100%
Based on actual market prices and performance synthetic scores.

Technical Analysis

Detailed breakdown of Core i3-8145U specifications and capabilities.

Processing Power

The Core i3-8145U is a 2-core / 4-thread processor based on the Whiskey Lake-U (2018−2019) architecture, manufactured on a 14 nm process node. It reaches a maximum boost clock of 3.9 GHz from a base frequency of 2.1 GHz— higher boost clocks directly translate to better single-threaded performance and responsiveness in gaming. It carries 4 MB (total) of L3 cache, plus 256 kB (per core) of L2 cache and 64 kB (per core) of L1 cache per core. In the PassMark benchmark (a comprehensive multi-threaded test), it scores 3,781, placing it in the Entry Level performance tier as a Legacy generation product.

SpecificationCore i3-8145U
Cores / ThreadsPhysical/logical processing units2C / 4T
Max Boost ClockPeak single-core speed under boost3.9 GHz
Base ClockGuaranteed minimum operating frequency2.1 GHz
ArchitectureCPU microarchitecture designWhiskey Lake-U (2018−2019)
Process NodeFabrication technology — smaller = more efficient14 nm
L3 CacheShared cache — reduces memory latency for all cores4 MB (total)
L2 CachePer-core fast cache for frequently accessed data256 kB (per core)
L1 CacheUltra-fast per-core cache64 kB (per core)
Die SizePhysical silicon area of the processor123 mm2
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 score3,781
🧠

Memory & Platform

The Core i3-8145U fits into the FCBGA1528 socket and supports PCIe 3.0 with 16 total PCIe lanes for expansion cards and storage. It supports DDR4 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). Integrated graphics: UHD Graphics 620 — allows display output without a dedicated GPU, useful for troubleshooting and light tasks.

SpecificationCore i3-8145U
TypeDesktop or Laptop processorLaptop
SeriesProduct familyIntel Core i3
SocketMotherboard socket requiredFCBGA1528
PCIe GenerationPeripheral interconnect speed — affects GPU and SSD bandwidthPCIe 3.0
PCIe LanesTotal available lanes for GPUs, NVMe drives, and expansion16
RAM TypeSupported memory standardDDR4
Max RAM SpeedMaximum officially supported memory frequencyDDR4-2400
Max RAM CapacityMaximum installable memory64 GB
RAM ChannelsDual-channel doubles bandwidth vs single-channel2
ECC SupportError-Correcting Code memory — prevents data corruptionNo
Integrated GPUBuilt-in graphics processorUHD Graphics 620
Max CPUs in ConfigMulti-socket support for servers1 (Uniprocessor)
🔧

Advanced Features

The Core i3-8145U is primarily designed for Mobile. Virtualization: VT-x, VT-d — enables running virtual machines efficiently (important for development and server workloads).

SpecificationCore i3-8145U
Primary Use CaseIntended workload categoryMobile
OverclockingWhether CPU clock can be manually increased🔒 Locked
AVX-512Advanced vector instructions for AI/ML workloads❌ Not Supported
VirtualizationHardware-assisted virtualization technologyVT-x, VT-d
🌡️

Power & Cooling

The Core i3-8145U 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.

SpecificationCore i3-8145U
TDPThermal Design Power — heat output under sustained workload15 Watt
Max TemperatureMaximum safe junction temperature (Tjmax)100 °C
💰

Value Analysis

It currently holds Rank #587 in the overall cost-benefit ranking — this ranking factors in performance-per-dollar relative to all available processors. Performance ranking position: #2053 out of all indexed processors.

SpecificationCore i3-8145U
Launch PriceOriginal retail price at launch$281
Cost-Benefit RankPosition in overall value ranking#587
Performance RankPosition in overall performance ranking#2053
Release DateLaunch date1 October 2018 (7 years ago)
Release Year2018
DesignerArchitecture designer (e.g. Intel, AMD)Intel
ManufacturerFabrication foundry (e.g. TSMC)Intel

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