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Intel Core i7-8557U

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Benchmark results

Benchmark results for Hisilicon kirin 620
Geekbench 5, 64bit (Multi-Core)
505
Geekbench 5, 64bit (Single-Core)
102
iGPU - FP32 Performance (Single-precision GFLOPS)
32

specs

Processor Specifications Intel Core i7-8557U
ESENCIAL
Processor series8th generation Intel Core i7 processors
StatusIn production
Launch dateThird quarter of 2019
Technology14 nm
NameCoffee Lake Products
Processor IDi7-8557U
Designed forMobile
Generation7.0
ADVANCED TECHNOLOGIES
Compatible with Intel OptaneYes
Architecture64 bit
Inactive statesYes
Instruction Extensions
  • Intel SSE4.1
  • Intel SSE4.2
  • Intel AVX2
Intel vPro platform supportNo
Intel 64Yes
Intel Flex Memory AccessYes
Intel Transactional SynchronizationNo
Intel VT-xYes
Intel Stable Image Program for Platforms (SIPP)No
Intel® Identity Protection TechnologyYes
VirtualizationYes
Virtualization technology for directed I/O (VT-d)Yes
Enhanced Intel SpeedStep TechnologyYes
Hyper-ThreadingYes
Intel My WiFi SupportYes
Intel Speed Shift SupportYes
Intel Turbo Boost Support2.0
Thermal monitoring technologiesYes
ADDITIONAL INFORMATION
Integrated options availableNo
INTEGRATED GRAPHICS
Number of supported screens3.0
4K supportYes, at 60Hz
DirectX support12.0
OpenGL support4.5
eDRAM support128 Mb
Graphics base frequency300 MHz
Maximum dynamic frequency of graphics1.15 GHz
Integrated graphicsIntel Iris Plus Graphics 645
Device ID0x3EA6
Intel Quick Sync Video SupportYes
Graphics memory32 Gb
Maximum resolution (Display Port)4096X2304 a 60Hz
Maximum resolution (Integrated Display Port)4096X2304 a 60Hz
Maximum resolution (HDMI)4096x2304 at 30Hz
Graphics output
  • eDP
  • Display Port
  • HDMI
  • DVI
Intel Clear Video HD SupportYes
Intel Clear Video SupportYes
Intel InTru 3D SupportYes
CPU SPECIFICATIONS
CacheCache 8 Mb Intel Smart
Number of cores4.0
Number of sub-processes8.0
Processor base frequency1.70 GHz
Intel Turbo Boost Frequency 2.04.50 GHz
Maximum turbo frequency4.50 GHz
Power consumption (TDP)15 W
Bus speed4 GT/s
PERFORMANCE
OverclockingNo
EXPANSION
Maximum amount of PCI Express16.0
Type of PCI Express supported
  • 1x4
  • 2x2
  • 1x2 + 2x1
  • 4x1
PCI Express version3.0
MICROPROCESSOR
Number of simultaneous processors1.0
Processor measurements46 x 24
Maximum temperature (Tjunction)100°C
SocketFC-BGA1528
MEMORY
Maximum number of memory channels2.0
ECC memory supportNo
Maximum memory bandwidth supported37.5 Gb/s
Maximum memory supported32 Gb
Supported memory types
  • DDR4 2400 MHz
  • LPDDR3 2133 MHz
SECURITY AND RELIABILITY
Support for Execute Disable BitYes
Extension support for memory protectionYes
Intel OS Guard SupportYes
Intel Software Guard Extensions (Intel SGX) SupportYes, with Intel ME
Intel AES instruction supportYes
Security keyYes
Intel Trusted Execution TechnologyNo