Processor Intel Core i7-8557U, specifications and benchmarks

General information about the processor Intel Core i7-8557U

• Segment
  Mobile
• Family
  Intel Core i7
• Generation
  8
• CPU group
  Intel Core i 8000U
• Predecessor
  --
• Successor
  --

Intel Core i7-8557U Processor performance parameters, CPU capabilities

• Frequency
  1.70 GHz
• CPU Cores
  4
• Turbo (1 Core)
  4.50 GHz
• CPU Threads
  8
• Turbo (4 Cores)
  3.40 GHz
• Hyperthreading
  Yes
• Overclocking
  No
• Core architecture
  normal
• A core
  --
• B core
  --
• C core
  --

Built-in graphics chip characteristics

• GPU name
  Intel Iris Plus Graphics 645
• GPU frequency
  0.30 GHz
• GPU (Turbo)
  1.15 GHz
• Execution units
  48
• Shader
  384
• Max. GPU Memory
  32 GB
• Max. displays
  3
• Generation
  9.5
• DirectX Version
  12
• Technology
  14 nm
• Release date
  Q4/2017

Built-in support for video and image compression standards

• h265 / HEVC (8 bit)
  Decode / Encode
• h265 / HEVC (10 bit)
  Decode / Encode
• h264
  Decode / Encode
• VP9
  Decode / Encode
• VP8
  Decode / Encode
• AV1
  No
• AVC
  Decode / Encode
• VC-1
  Decode
• JPEG
  Decode / Encode

Technical characteristics of supported memory, PCI bus

• Memory type
  DDR4-2400 SO-DIMMLPDDR3-2133
• Max. Memory
• ECC
  No
• Memory channels
  2
• PCIe version
  3.0
• PCIe lanes
  16

Hardware security technology

• AES-NI
  Yes

• TDP (PL1)
  15 W
• TDP up
  --
• TDP (PL2)
  --
• TDP down
  --
• Tjunction max.
  --

Technical capabilities of the processor, information

• Instruction set (ISA)
  x86-64 (64 bit)
• Virtualization
  VT-x, VT-x EPT, VT-d
• ISA extensions
  SSE4.1, SSE4.2, AVX2
• L2-Cache
  --
• L3-Cache
  8.00 MB
• Architecture
  Coffee Lake U
• Technology
  14 nm
• Socket
  BGA 1528
• Release date
  Q3/2019
• Part Number
  --

Common positions Intel Core i7-8557U CPU in popular benchmarks, for comparison with other models.

• Cinebench R20 (Single-Core)
  261 place
• Cinebench R20 (Multi-Core)
  306 place
• Cinebench R15 (Single-Core)
  171 place
• Cinebench R15 (Multi-Core)
  422 place
• Geekbench 5, 64bit (Single-Core)
  465 place
• Geekbench 5, 64bit (Multi-Core)
  626 place
• iGPU - FP32 Performance (Single-precision GFLOPS)
  346 place