Intel Xeon D-1521 vs Intel Celeron J3455. Specifications, performance, tests

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

• Family
  Intel Xeon D Intel Celeron
• CPU group
  Intel Xeon D-1500 Intel Celeron J3000
• Segment
  Desktop / Server Mobile
• Generation
  1 7

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.

• Core architecture
  normal normal
• Overclocking
  No No
• Frequency
  2.40 GHz 1.50 GHz

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.

• GPU name
  no iGPU Intel HD Graphics 500
• GPU frequency
  0.25 GHz
• GPU (Turbo)
  No turbo 0.75 GHz
• Execution units
  12
• Shader
  96
• Max. GPU Memory
  -- 8 GB
• Max. displays
  3
• Generation
  9
• Technology
  14 nm
• Release date
  Q3/2016

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

Overview of the types and quantities of RAM supported by Intel Celeron J3455 and Intel Xeon D-1521. The supported memory frequencies may vary depending on the motherboard configuration.

• Memory type
  DDR4-2133
• Max. Memory
  128 GB
• Memory channels
  2 2
• ECC
  Yes No

Analyze the TDP (Thermal Design Power) requirements of Intel Xeon D-1521 and Intel Celeron J3455 to make an informed decision on the appropriate cooling system. Remember that TDP refers to thermal watts, not electrical watts.

• TDP (PL1)
  45 W 10 W

Information on architecture, interfaces, and additional instructions supported by Intel Xeon D-1521 and Intel Celeron J3455, including virtual machine technologies and fabrication processes.

• Instruction set (ISA)
  x86-64 (64 bit) x86-64 (64 bit)
• ISA extensions
  SSE4.1, SSE4.2, AVX2 SSE4.1, SSE4.2
• L2-Cache
  6.00 MB --
• L3-Cache
  -- 2.00 MB
• Architecture
  Broadwell Apollo Lake
• Technology
  14 nm 14 nm
• Virtualization
  VT-x, VT-x EPT, VT-d VT-x, VT-x EPT, VT-d
• Socket
  BGA 1667 BGA 1296
• Release date
  Q4/2015 Q3/2016