Intel Xeon Platinum 8276 vs Intel Xeon Platinum 8351N. Specifications, performance, tests

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

• Segment
  Desktop / Server Desktop / Server
• Family
  Intel Xeon Platinum Intel Xeon Platinum
• Generation
  2 3
• CPU group
  Intel Xeon Platinum 8200/9200 Intel Xeon Platinum 8300

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.

• Frequency
  2.20 GHz 2.40 GHz
• CPU Cores
  28 36
• Turbo (1 Core)
  4.00 GHz 3.50 GHz
• CPU Threads
  56 72
• Hyperthreading
  Yes Yes
• Overclocking
  No No
• Core architecture
  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.

• GPU name
  no iGPU no iGPU
• GPU (Turbo)
  No turbo No turbo

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

Overview of the types and quantities of RAM supported by Intel Xeon Platinum 8351N and Intel Xeon Platinum 8276. The supported memory frequencies may vary depending on the motherboard configuration.

• Memory type
  DDR4-2933 DDR4-2933
• Max. Memory
  6144 GB
• ECC
  Yes Yes
• Memory channels
  6 8
• PCIe version
  3.0 4.0
• PCIe lanes
  48 64

• AES-NI
  Yes Yes

Analyze the TDP (Thermal Design Power) requirements of Intel Xeon Platinum 8276 and Intel Xeon Platinum 8351N to make an informed decision on the appropriate cooling system. Remember that TDP refers to thermal watts, not electrical watts.

• TDP (PL1)
  165 W 225 W

Information on architecture, interfaces, and additional instructions supported by Intel Xeon Platinum 8276 and Intel Xeon Platinum 8351N, including virtual machine technologies and fabrication processes.

• 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, AVX2, AVX-512 SSE4.1, SSE4.2, AVX2, AVX-512
• L3-Cache
  38.50 MB 54.00 MB
• Architecture
  Cascade Lake Ice Lake
• Technology
  14 nm 10 nm
• Socket
  LGA 3647 LGA 4189
• Release date
  Q2/2019 Q2/2021