Intel Core i5-8257U contre Intel Core i5-8259U. Spécifications, performances, tests

Comprehensive background on the processors being compared, detailing their series, generation, and targeted market segment.

• Segment
  Mobile Mobile
• Série
  Intel Core i5 Intel Core i5
• Génération
  8 8
• Groupe de CPU
  Intel Core i 8000U Intel Core i 8000U

Essential parameters including the number of cores, threads, base and turbo frequencies, and cache size. These metrics provide insight into the processor’s speed—higher values generally indicate better performance.

• Fréquence
  1.40 GHz 2.30 GHz
• Cœurs de CPU
  4 4
• Turbo (1 cœur)
  3.90 GHz 3.80 GHz
• Fils de processeur
  8 8
• Turbo (4 Cores)
  3.20 GHz 3.20 GHz
• Hyperthreading
  Oui Oui
• Overclocking
  Non Non
• Architecture de base
  normal normal

The integrated graphics (iGPU) do not influence the CPU performance significantly; they serve as a substitute for a dedicated graphics card in the absence of one or are utilized in mobile devices.

• Nom du GPU
  Intel Iris Plus Graphics 645 Intel Iris Plus Graphics 655
• GPU frequency
  0.30 GHz 0.30 GHz
• GPU (Turbo)
  1.05 GHz 1.05 GHz
• Unités d'exécution
  48 48
• Shader
  384 384
• Max. GPU Memory
  32 GB 32 GB
• Max. displays
  3 3
• Génération
  9.5 9.5
• DirectX Version
  12 12
• Processus technologique
  14 nm 14 nm
• Date de sortie
  Q4/2017 Q4/2017

This section details the built-in codecs used for encoding and decoding media content, which significantly enhance processing speed and efficiency.

• h265 / HEVC (8 bit)
  Decode / Encode Decode / Encode
• h265 / HEVC (10 bit)
  Decode / Encode Decode / Encode
• h264
  Decode / Encode Decode / Encode
• VP9
  Decode / Encode Decode / Encode
• VP8
  Decode / Encode Decode / Encode
• AV1
  Non Non
• AVC
  Decode / Encode Decode / Encode
• VC-1
  Decode Decode
• JPEG
  Decode / Encode Decode / Encode

Overview of the types and quantities of RAM supported by Intel Core i5-8259U et Intel Core i5-8257U. The supported memory frequencies may vary depending on the motherboard configuration.

• Type de mémoire
  DDR4-2400 SO-DIMMLPDDR3-2133 DDR4-2400 SO-DIMM
• Max. Mémoire
  32 GB
• ECC
  Non Non
• Canaux de mémoire
  2 2
• Version PCIe
  3.0 3.0
• Couloirs PCIe
  16 16

• AES-NI
  Oui Oui

Analyze the TDP (Thermal Design Power) requirements of Intel Core i5-8257U et Intel Core i5-8259U to make an informed decision on the appropriate cooling system. Remember that TDP refers to thermal watts, not electrical watts.

• TDP (PL1)
  15 W 28 W

Information on architecture, interfaces, and additional instructions supported by Intel Core i5-8257U et Intel Core i5-8259U, including virtual machine technologies and fabrication processes.

• Jeu d'instructions (ISA)
  x86-64 (64 bit) x86-64 (64 bit)
• Virtualization
  VT-x, VT-x EPT, VT-d VT-x, VT-x EPT, VT-d
• Extensions ISA
  SSE4.1, SSE4.2, AVX2 SSE4.1, SSE4.2, AVX2
• L3-Cache
  6.00 MB 6.00 MB
• Architecture
  Coffee Lake U Coffee Lake U
• Processus technologique
  14 nm 14 nm
• Socket
  BGA 1528 BGA 1528
• Date de sortie
  Q3/2019 Q2/2018