Vertical Segment
Mobile
Processor Number
i5-8257U
Lithography
14 nm
Recommended Customer Price
$320.00

CPU Specifications

Total Cores
4
Total Threads
8
Max Turbo Frequency
3.90 GHz
Intel® Turbo Boost Technology 2.0 Frequency
3.90 GHz
Processor Base Frequency
1.40 GHz
Cache
6 MB Intel® Smart Cache
Bus Speed
4 GT/s
TDP
15 W

Supplemental Information

Marketing Status
Discontinued
Launch Date
Q3'19
Embedded Options Available
No
Datasheet

Memory Specifications

Max Memory Size (dependent on memory type)
32 GB
Memory Types
DDR4-2400, LPDDR3-2133
Max # of Memory Channels
2
Max Memory Bandwidth
37.5 GB/s
ECC Memory Supported
No

GPU Specifications

GPU Name
Intel® Iris® Plus Graphics 645
Graphics Base Frequency
300 MHz
Graphics Max Dynamic Frequency
1.05 GHz
Graphics Video Max Memory
32 GB
eDRAM
128 MB
Graphics Output
eDP/DP/HDMI/DVI
4K Support
Yes, at 60Hz
Max Resolution (HDMI)
4096x2304@30Hz
Max Resolution (DP)‡
4096x2304@60Hz
Max Resolution (eDP - Integrated Flat Panel)‡
4096x2304@60Hz
DirectX* Support
12
OpenGL* Support
4.5
Intel® Quick Sync Video
Yes
Intel® InTru™ 3D Technology
Yes
Intel® Clear Video HD Technology
Yes
Intel® Clear Video Technology
Yes
# of Displays Supported
3
Device ID
0x3EA6

Expansion Options

PCI Express Revision
3.0
PCI Express Configurations
1x4, 2x2, 1x2+2x1 and 4x1
Max # of PCI Express Lanes
16

Package Specifications

Sockets Supported
FCBGA1528
Max CPU Configuration
1
TJUNCTION
100°C
Package Size
46x24

Advanced Technologies

Intel® Optane™ Memory Supported
Yes
Intel® Speed Shift Technology
Yes
Intel® Turbo Boost Technology
2.0
Intel® Hyper-Threading Technology
Yes
Intel® Transactional Synchronization Extensions
No
Intel® 64
Yes
Instruction Set
64-bit
Instruction Set Extensions
Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
Intel® My WiFi Technology
Yes
Idle States
Yes
Enhanced Intel SpeedStep® Technology
Yes
Thermal Monitoring Technologies
Yes
Intel® Flex Memory Access
Yes
Intel® Identity Protection Technology
Yes

Security & Reliability

Intel® Software Guard Extensions (Intel® SGX)
Yes with Intel® ME
Intel® AES New Instructions
Yes
Secure Key
Yes
Intel® Memory Protection Extensions (Intel® MPX)
Yes
Intel® OS Guard
Yes
Intel® Trusted Execution Technology
No
Execute Disable Bit
Yes
Intel® Stable IT Platform Program (SIPP)
No
Intel® Virtualization Technology (VT-x)
Yes
Intel® Virtualization Technology for Directed I/O (VT-d)
Yes
Intel® VT-x with Extended Page Tables (EPT)
Yes