Intel Core i5-8257U processor review

Intel Core i5-8257U

Core i5-8257U 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 - 3.90 GHz. Maximum operating temperature - 100 °C. Manufacturing process technology - 14 nm. Cache size: L3 - 6 MB.

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

Geekbench 4
Single Core
Top 1 CPU
This CPU
5311
966
Geekbench 4
Multi-Core
Top 1 CPU
This CPU
36691
3728
PassMark
Single thread mark
Top 1 CPU
This CPU
4766
2292
PassMark
CPU mark
Top 1 CPU
This CPU
153173
7551
GFXBench 4.0
Car Chase Offscreen
Top 1 CPU
This CPU
9047 Frames
3030 Frames
GFXBench 4.0
Car Chase Offscreen
Top 1 CPU
This CPU
9047.000 Fps
3030.000 Fps
Name Value
Geekbench 4 - Single Core 966
Geekbench 4 - Multi-Core 3728
PassMark - Single thread mark 2292
PassMark - CPU mark 7551
GFXBench 4.0 - Car Chase Offscreen 3030 Frames
GFXBench 4.0 - Car Chase Offscreen 3030.000 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, 1280x72037.40
Medium, 1920x108026.10
High, 1920x108022.50

Dota 2 Reborn (2015)

Low, 1280x72076.50
Medium, 1366x76857.30
High, 1920x108029.00
Ultra, 1920x108026.90

BioShock Infinite (2013)

Low, 1280x720104.60
Medium, 1366x76860.00
High, 1366x76851.60
Ultra, 1920x108022.10

Specifications (specs)

Essentials

Architecture codename Coffee Lake
Launch date Q3'19
Place in performance rating 1061
Processor Number i5-8257U
Vertical segment Mobile

Performance

64 bit support
Base frequency 1.40 GHz
Bus Speed 4 GT/s OPI
L3 cache 6 MB
Manufacturing process technology 14 nm
Maximum core temperature 100 °C
Maximum frequency 3.90 GHz
Number of cores 4
Number of threads 8

Memory

ECC memory support
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 1.05 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
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, 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
Intel 64
Intel® Advanced Vector Extensions 2 (AVX2)
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)