Intel Core i3-8121U vs Intel Core i9-8950HK. Specifications, performance, tests

Background information about the processors being compared, series, generation and market segment.

• CPU group
  Intel Core i 8000U Intel Core i 8000H
• Family
  Intel Core i3 Intel Core i9
• Generation
  8 8
• Segment
  Mobile Mobile

Core counts, threads, cache and clock modes describe the CPU configuration. Performance depends on the workload and comparable measured results.

• Base Frequency
  2.2 GHz 2.9 GHz
• Core architecture
  normal normal
• CPU Cores
  2 6
• CPU Threads
  4 12
• Hyperthreading / SMT
  Yes Yes
• Overclocking
  No Yes
• Turbo Frequency (1 Core)
  3.2 GHz 4.8 GHz
• Turbo Frequency (2 Cores)
  2.7 GHz -
• Turbo Frequency (6 Cores)
  - 3.8 GHz

Internal Graphics does not affect the performance of the CPU, performs the work of the graphics card in its absence or on mobile devices.

• DirectX Version
  - 12
• Execution units
  - 24
• Generation
  - 9.5
• GPU Frequency
  - 350 MHz
• GPU name
  no iGPU Intel UHD Graphics 630
• GPU Turbo
  No turbo 1150 MHz
• Max. displays
  - 3
• Max. GPU Memory
  - 64 GB
• Release date
  - Q4/2017
• Shader
  - 192
• Technology
  - 14 nm

Built-in codecs used to encode and decode content. Significantly speeds up the required operations.

• AV1
  No No
• H.264 / AVC
  No Decode / Encode
• h265 / HEVC (8 bit)
  No Decode / Encode
• h265 / HEVC (10 bit)
  No Decode / Encode
• JPEG
  No Decode / Encode
• VC-1
  No Decode
• VP8
  No Decode / Encode
• VP9
  No Decode / Encode

Types, channel quantity of RAM supported by Intel Core i9-8950HK and Intel Core i3-8121U. Depending on the motherboards, higher or lower memory frequencies may be supported.

• ECC
  No No
• Memory channels
  2 2
• Memory type
  DDR4-2400 SO-DIMM DDR4-2400 SO-DIMM
• PCIe lanes
  16 16
• PCIe version
  3.0 3.0

• AES-NI
  Yes Yes

Compare the TDP requirements of TDP Intel Core i3-8121U and Intel Core i9-8950HK Power specifications describe different manufacturer limits. TDP, base power and maximum turbo power are separate values; they do not establish measured system consumption.

• TDP (PL1, legacy label)
  15 W 65 W

Architecture, interfaces, additional instructions supported by Intel Core i3-8121U and Intel Core i9-8950HK, virtual machine technologies and process technology.

• Architecture
  Cannon Lake U Coffee Lake H
• Instruction set (ISA)
  x86-64 (64 bit) x86-64 (64 bit)
• ISA extensions
  SSE4.1, SSE4.2, AVX2, AVX-512 SSE4.1, SSE4.2, AVX2
• L3-Cache
  4 MB 12 MB
• Release date
  Q2/2018 Q1/2018
• Socket
  BGA 1356 BGA 1440
• Technology
  10 nm 14 nm
• Virtualization
  VT-x, VT-x EPT, VT-d VT-x, VT-x EPT, VT-d