Intel Core i7-8557U processor review

Core i7-8557U processor released by Intel; release date: Q3'19. The processor is designed for mobile-computers and based on Coffee Lake microarchitecture.

CPU is locked to prevent overclocking. Total number of cores - 4, threads - 8. Maximum CPU clock speed - 4.50 GHz. Maximum operating temperature - 100°C. Manufacturing process technology - 14 nm.

Supported memory types: DDR4-2400, LPDDR3-2133. Maximum memory size: 32 GB.

Supported socket types: FCBGA1528. Maximum number of processors in a configuration - 1. Power consumption (TDP): 15 Watt.

The processor has integrated graphics Intel Iris Plus Graphics 645 with the following parameters: maximum video memory size - 32 GB.

Benchmarks

PassMark
Single thread mark

Top 1 CPU

This CPU

4843

2355

PassMark
CPU mark

Top 1 CPU

This CPU

185062

7428

GFXBench 4.0
Car Chase Offscreen

Top 1 CPU

This CPU

9047 Frames

3188 Frames

GFXBench 4.0
Car Chase Offscreen

Top 1 CPU

This CPU

9047.000 Fps

3188.000 Fps

Name	Value
PassMark - Single thread mark	2355
PassMark - CPU mark	7428
GFXBench 4.0 - Car Chase Offscreen	3188 Frames
GFXBench 4.0 - Car Chase Offscreen	3188.000 Fps

Integrated graphics – Intel Iris Plus Graphics 645

Technical info
Boost clock speed	1150 MHz
Core clock speed	300 MHz
Manufacturing process technology	14 nm
Pipelines	48
Thermal Design Power (TDP)	15 Watt

Games performance

X-Plane 11.11 (2018)

Low, 1280x720	37.40
Medium, 1920x1080	26.10
High, 1920x1080	22.50

Dota 2 Reborn (2015)

Low, 1280x720	76.50
Medium, 1366x768	57.30
High, 1920x1080	29.00
Ultra, 1920x1080	26.90

BioShock Infinite (2013)

Low, 1280x720	104.60
Medium, 1366x768	60.00
High, 1366x768	51.60
Ultra, 1920x1080	22.10

Specifications (specs)

Essentials
Architecture codename	Coffee Lake
Launch date	Q3'19
Place in performance rating	826
Processor Number	i7-8557U
Series	8th Generation Intel Core i7 Processors
Status	Launched
Vertical segment	Mobile
Performance
64 bit support
Base frequency	1.70 GHz
Bus Speed	4 GT/s
Manufacturing process technology	14 nm
Maximum core temperature	100°C
Maximum frequency	4.50 GHz
Number of cores	4
Number of threads	8

Memory
Max memory channels	2
Maximum memory bandwidth	37.5 GB/s
Maximum memory size	32 GB
Supported memory types	DDR4-2400, LPDDR3-2133
Graphics
Device ID	0x3EA6
eDRAM	128 MB
Graphics base frequency	300 MHz
Graphics max dynamic frequency	1.15 GHz
Intel® Clear Video HD technology
Intel® Clear Video technology
Intel® InTru™ 3D technology
Intel® Quick Sync Video
Max video memory	32 GB
Processor graphics	Intel Iris Plus Graphics 645
Graphics interfaces
DisplayPort
DVI
eDP
HDMI
Number of displays supported	3
Graphics image quality
4K resolution support
Max resolution over DisplayPort	4096x2304@60Hz
Max resolution over eDP	4096x2304@60Hz
Max resolution over HDMI 1.4	4096x2304@30Hz
Graphics API support
DirectX	12
OpenGL	4.5
Compatibility
Max number of CPUs in a configuration	1
Package Size	46x24
Sockets supported	FCBGA1528
Thermal Design Power (TDP)	15 Watt
Peripherals
Max number of PCIe lanes	16
PCI Express revision	3.0
PCIe configurations	1x4, 2x2, 1x2+2x1 and 4x1
Security & Reliability
Execute Disable Bit (EDB)
Intel® Identity Protection technology
Intel® Memory Protection Extensions (Intel® MPX)
Intel® OS Guard
Intel® Secure Key technology
Intel® Software Guard Extensions (Intel® SGX)
Intel® Trusted Execution technology (TXT)
Advanced Technologies
Enhanced Intel SpeedStep® technology
Idle States
Instruction set extensions	Intel SSE4.1, Intel SSE4.2, Intel AVX2
Intel 64
Intel® AES New Instructions
Intel® Flex Memory Access
Intel® Hyper-Threading technology
Intel® My WiFi technology
Intel® Optane™ Memory Supported
Intel® Stable Image Platform Program (SIPP)
Intel® TSX-NI
Intel® Turbo Boost technology
Intel® vPro™ Platform Eligibility
Speed Shift technology
Thermal Monitoring
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)