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Intel Core i7-8559U
Benchmarks & Specs

Name: Intel Core i7-8559U
Brand: Intel
Rating: 4 (6 reviews)

Last updated: 2026-02-03

Table of Contents

Summary
Benchmarks
Specifications
User Reviews
Popular Comparisons

Summary

The Intel Core i7-8559U is a processor from Intel. It once embodied a successful balance of processing power and energy efficiency. This chip, manufactured using the proven 14-nm process, utilized the Coffee Lake U architecture. It was tailor-made for use in slim notebooks and powerful Ultrabooks.

A standout feature of this model was always its integrated graphics unit. The Intel Iris Plus Graphics 655 offered much more than just basic display capabilities. It delivered respectable performance for everyday tasks as well as for smooth media playback. Even more demanding applications such as lighter image editing could be handled reasonably well with it.

It is remarkable how this chip continues to reliably perform its service in numerous devices even today. With its 6 MB Level 3 Cache, the processor could quickly provide important data. This always ensured a pleasantly smooth user experience in everyday life. The Intel Core i7-8559U proved to be a good and reliable choice for mobile computers.

Integrated Intel Iris Plus Graphics 655
Coffee Lake U Architecture
6 MB Level 3 Cache

Benchmarks

Performance Overview
Average performance across multiple benchmarks

Single-core performance

Rank 376 / 834
In segment Notebook

Multi-core performance

Rank 358 / 832
In segment Notebook

Geekbench 6 Single-Core
Single-core performance

4C / 8T · 4.35 GHz

1,396

4C / 8T · 4.10 GHz

1,392

4C / 8T · 4.50 GHz

1,390

6C / 12T · 4.10 GHz

1,382

4C / 8T · 4.60 GHz

1,376

Geekbench 6 Multi-Core
Multi-core performance

5C / 6T · 1.60 GHz

4,722

4C / 8T · 2.80 GHz

4,712

4C / 8T · 3.20 GHz

4,682

8C / 8T · 2.40 GHz

4,657

8C / 8T · 3.40 GHz

4,647

Cinebench R20 Single-Core
Single-core performance

4C / 8T · 3.70 GHz

434 cb

4C / 8T · 3.70 GHz

434 cb

4C / 8T · 4.50 GHz

431 cb

4C / 8T · 4.20 GHz

429 cb

2C / 4T · 3.50 GHz

427 cb

Geekbench 5, 64bit Single-Core
Single-core performance

4C / 8T · 3.70 GHz

1,116

8C / 8T · 4.10 GHz

1,115

4C / 8T · 4.50 GHz

1,103

4C / 8T · 4.60 GHz

1,092

4C / 8T · 4.10 GHz

1,092

Cinebench R20 Multi-Core
Multi-core performance

4C / 8T · 3.20 GHz

1,589 cb

4C / 8T · 2.80 GHz

1,587 cb

4C / 8T · 3.20 GHz

1,572 cb

4C / 8T · 2.40 GHz

1,564 cb

4C / 8T · 3.30 GHz

1,551 cb

Geekbench 5, 64bit Multi-Core
Multi-core performance

4C / 8T · 3.60 GHz

4,311

4C / 8T · 3.70 GHz

4,291

4C / 8T · 3.20 GHz

4,288

4C / 8T · 2.80 GHz

4,274

4C / 8T · 1.70 GHz

4,255

iGPU - FP32 Performance (Single-precision GFLOPS)

AMD Radeon RX Vega 6 (Raven Ridge)

922

AMD Radeon 660M (4 CU)

922

Intel Iris Plus Graphics 655

922

Intel Iris Plus Graphics 655

922

Intel UHD Graphics 12th Gen (48 EU)

921

CPU-Z Benchmark 17 Multi-Core
Multi-core performance

4C / 8T · 3.20 GHz

2,392

4C / 8T · 2.80 GHz

2,347

4C / 8T · 2.70 GHz

2,324

4C / 8T · 2.40 GHz

2,315

4C / 8T · 2.40 GHz

2,301

Cinebench R15 (Single-Core)
Single-core performance

4C / 8T · 4.80 GHz

188 cb

6C / 12T · 4.40 GHz

187 cb

4C / 8T · 4.50 GHz

184 cb

6C / 12T · 4.30 GHz

182 cb

6C / 12T · 4.10 GHz

180 cb

Cinebench R15 (Multi-Core)
Multi-core performance

4C / 8T · 3.10 GHz

689 cb

4C / 8T · 3.80 GHz

686 cb

4C / 8T · 3.20 GHz

675 cb

4C / 8T · 3.20 GHz

667 cb

4C / 8T · 3.50 GHz

666 cb

More benchmarks

Geekbench 6 (SC)
1,989 entries

Geekbench 6 (MC)
1,927 entries

Cinebench R20 (SC)
666 entries

Geekbench 5 (SC)
2,512 entries

Cinebench R20 (MC)
615 entries

Geekbench 5 (MC)
2,483 entries

FP32 SP (iGPU)
2,219 entries

3DMark Timespy (iGPU)
534 entries

PassMark CPU-Mark
2,504 entries

CPU-Z Benchmark 17 (MC)
751 entries

Cinebench R15 (SC)
1,113 entries

Cinebench R15 (MC)
1,110 entries

Specifications

At a glance

Property	Value
Family	Intel Core i7 (300)
CPU group	Intel Core i 8000U (8)
Architecture	Coffee Lake U
Technology	14 nm
Segment	Notebook
Socket	BGA 1528
Generation	8
Predecessor
Successor

CPU Cores and Base Frequency

Property	Value
CPU Cores / Threads	4 / 8
Hyperthreading / SMT	✓
Core architecture	normal
Cores:	4x
Frequency:	2.70 GHz
Turbo Frequency (1 Core):	4.50 GHz
Turbo Frequency (4 Cores):	3.20 GHz
L2-Cache
L3-Cache	6.00 MB
Overclocking	No

Integrated graphics (iGPU)

Property	Value
GPU name	Intel Iris Plus Graphics 655
GPU frequency	0.30 - 1.20 GHz
CUs / Shader	48 / 384
Raytracing	✗
Max. displays	3
Max. GPU Memory	32 GB
Technology	14 nm
Release date	Q4/2017

NPU AI performance

Property	Value
AI hardware
AI specifications
NPU + CPU + iGPU

Memory & PCIe

Memory type	Memory bandwidth
DDR4-2400	38.4 GB/s
Property	Value
Max. Memory	32 GB
Memory channels	2
ECC	✗
PCIe	3.0 x 16
PCIe Bandwidth	15.8 GB/s

Thermal Management

Property	Value
TDP	28 W
TDP (PL2)
TDP up
TDP down
T. junction max.

Technical details

Property	Value
Chip design	Monolithic
AES-NI	✓
Operating systems	Windows 10, Windows 11, Linux
Instruction set	x86-64 (64 bit)
ISA extensions	SSE4.1, SSE4.2, AVX2
Release date	Q2/2018
Release price
Documents	Technical data sheet

User Reviews

Your rating

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★★★★★