Intel Celeron J4125 vs Intel Core i3-1215U. Specifications, performance, tests

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

• Segment
  Mobile Mobile
• Family
  Intel Celeron Intel Core i3
• Generation
  9 12
• CPU group
  Intel Celeron J4000/N4000/N5000 Intel Core i 1200P/1200U

Basic parameters such as number of cores, number of threads, base and turbo frequency, and cache size. These parameters indirectly tell about the speed of the processor, the higher they are the better.

• Frequency
  2.00 GHz 1.20 GHz
• Turbo (1 Core)
  2.70 GHz 4.40 GHz
• Hyperthreading
  No Yes
• Overclocking
  No No
• Core architecture
  normal hybrid (big.LITTLE)

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

• GPU name
  Intel UHD Graphics 600 Intel Iris Xe Graphics 64 (Alder Lake)
• GPU frequency
  0.25 GHz 0.30 GHz
• GPU (Turbo)
  0.75 GHz 1.10 GHz
• Execution units
  12 64
• Shader
  96 512
• Max. GPU Memory
  8 GB 32 GB
• Max. displays
  3 4
• Generation
  9.5 13
• Technology
  14 nm 10 nm
• Release date
  Q4/2017 Q1/2022

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

• 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
• AV1
  No Decode
• AVC
  Decode / Encode Decode / Encode
• VC-1
  Decode Decode
• JPEG
  Decode / Encode Decode / Encode

Types, channel quantity of RAM supported by Intel Core i3-1215U and Intel Celeron J4125. Depending on the motherboards, higher or lower memory frequencies may be supported.

• Memory type
  DDR4-2400LPDDR4-2400 DDR4-3200DDR5-4800LPDDR4X-4266LPDDR5-5200
• Max. Memory
  8 GB 64 GB
• ECC
  No No
• Memory channels
  2 2

Compare the TDP requirements of TDP Intel Celeron J4125 and Intel Core i3-1215U to select a cooling system. Note, the TDP value refers to thermal watts, not electrical watts.

• TDP (PL1)
  10 W 15 W
• TDP (PL2)
  -- 55 W
• Tjunction max.
  -- 100 °C

Architecture, interfaces, additional instructions supported by Intel Celeron J4125 and Intel Celeron J4125, virtual machine technologies and process technology.

• Instruction set (ISA)
  x86-64 (64 bit) x86-64 (64 bit)
• Virtualization
  VT-x, VT-x EPT, VT-d VT-x, VT-x EPT, VT-d
• ISA extensions
  SSE4.1, SSE4.2 SSE4.1, SSE4.2, AVX2
• L2-Cache
  -- 4.50 MB
• L3-Cache
  4.00 MB 10.00 MB
• Architecture
  Gemini Lake Alder Lake U
• Technology
  10 nm 10 nm
• Socket
  BGA 1090 BGA 1744
• Release date
  Q4/2019 Q1/2022