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 i7-8557U is manufactured by Intel. It was released in 16 July 2019 (6 years ago). It is based on the Coffee Lake-U (2018−2019) architecture. It features 4 cores and 8 threads. Base frequency is 1.7 GHz, with boost up to 4.5 GHz. L3 cache: 8 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: 7,309 points. Launch price was $149.

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 Core i7-8557U across popular games. Tested paired with RTX 4090 to isolate CPU performance.

Technical Analysis

Detailed breakdown of Core i7-8557U specifications and capabilities.

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Processing Power

The Core i7-8557U is a 4-core / 8-thread processor based on the Coffee Lake-U (2018−2019) architecture, manufactured on a 14 nm process node. It reaches a maximum boost clock of 4.5 GHz from a base frequency of 1.7 GHz— higher boost clocks directly translate to better single-threaded performance and responsiveness in gaming. It carries 8 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 7,309, placing it in the Entry Level performance tier as a Legacy generation product.

Specification	Core i7-8557U
Cores / ThreadsPhysical/logical processing units	4C / 8T
Max Boost ClockPeak single-core speed under boost	4.5 GHz
Base ClockGuaranteed minimum operating frequency	1.7 GHz
ArchitectureCPU microarchitecture design	Coffee Lake-U (2018−2019)
Process NodeFabrication technology — smaller = more efficient	14 nm
L3 CacheShared cache — reduces memory latency for all cores	8 MB
L2 CachePer-core fast cache for frequently accessed data	1 MB
L1 CacheUltra-fast per-core cache	256 kB
Bus SpeedData bus frequency	4 GT/s
Max TemperatureMaximum safe operating temperature (Tjmax)	100 °C
64-bit Support	Yes
Windows 11 Compatible	Yes
PassMark ScoreOverall multi-threaded benchmark score	7,309

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Memory & Platform

The Core i7-8557U fits into the FCBGA1528 socket and supports PCIe 3.0. It supports DDR4 memory.

Specification	Core i7-8557U
TypeDesktop or Laptop processor	Laptop
SeriesProduct family	Intel Core i7
SocketMotherboard socket required	FCBGA1528
PCIe GenerationPeripheral interconnect speed — affects GPU and SSD bandwidth	PCIe 3.0
RAM TypeSupported memory standard	DDR4
Max CPUs in ConfigMulti-socket support for servers	1

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Power & Cooling

The Core i7-8557U 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.

Specification	Core i7-8557U
TDPThermal Design Power — heat output under sustained workload	15 Watt
Max TemperatureMaximum safe junction temperature (Tjmax)	100 °C

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Value Analysis

Performance ranking position: #1535 out of all indexed processors.

Specification	Core i7-8557U
Launch PriceOriginal retail price at launch	$149
Performance RankPosition in overall performance ranking	#1535
Release DateLaunch date	16 July 2019 (6 years ago)
Release Year	2019
DesignerArchitecture designer (e.g. Intel, AMD)	Intel