Intel Xeon D-1557 vs Intel Xeon D-1520

Let's find out which one of Intel Xeon D-1520 and Intel Xeon D-1557 is of a more recent generation, and what segment it belongs to.

• Name
  Intel Xeon D-1520 Intel Xeon D-1557
• Family
  Intel Xeon D Intel Xeon D
• CPU group
  Intel Xeon D-1500 Intel Xeon D-1500
• Segment
  Desktop / Server Desktop / Server
• Generation
  1 1

In this block we are going to compare Intel Xeon D-1520 vs Intel Xeon D-1557 by main technical specifications: number of cores and threads, base and maximum frequencies, process technology and cache size. The higher these specifications are, the more powerful your CPU will be.

• CPU Cores / Threads
  4 / 8 12 / 24
• Core architecture
  normal normal
• Cores
  4x 12x
• Hyperthreading / SMT
  Yes Yes
• Overclocking
  No No
• Frequency
  2.20 GHz 1.50 GHz
• Turbo Frequency (1 Core)
  2.60 GHz 2.10 GHz

Common specifications for integrated graphics cards in Intel Xeon D-1520 and Intel Xeon D-1557 along with supported interfaces and connection options. This block has no effect on the final efficiency of the CPU.

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

Let's compare the support of video codecs between Intel Xeon D-1520 and Intel Xeon D-1557. Hardware support of video decoding by embedded graphics cards directly affects the speed and quality of rendering videos.

• h265 / HEVC (8 bit)
  No No
• h265 / HEVC (10 bit)
  No No
• h264
  No No
• VP8
  No No
• VP9
  No No
• AV1
  No No
• AVC
  No No
• VC-1
  No No
• JPEG
  No No

To choose the best model between Intel Xeon D-1520 and Intel Xeon D-1557 you need to pay special attention to memory type, clock frequency, multi-channel features, and PCIe version. The higher these numbers are, the better your CPU will be. Keep in mind that the maximum memory and frequency may also depend on the model of the motherboard.

• Memory type
  DDR4-2133 DDR4-2133
• Max. Memory
  128 GB 128 GB
• Memory channels
  2 (Dual Channel) 2 (Dual Channel)
• Bandwidth
  34.1 GB/s 34.1 GB/s
• ECC
  Yes Yes
• PCIe
  3.0 x 32 3.0 x 32
• AES-NI
  Yes Yes

Let's find out what TDP value would be better for Intel Xeon D-1520 or Intel Xeon D-1557? The Thermal Design Power (TDP) indicates the maximum amount of heat that should be dissipated by the chip cooling system. However, the value of TDP gives only a rough indication of the real power consumption of the CPU.

• TDP (PL1)
  45 W 45 W

Here you can find a comparison of 2nd and 3rd level cache sizes for Intel Xeon D-1520 and Intel Xeon D-1557 CPUs along with a list of ISA extensions.

• Technology
  14 nm 14 nm
• Chip design
  Monolithic Monolithic
• Socket
  BGA 1667 BGA 1667
• L2-Cache
  6.00 MB 18.00 MB
• Architecture
  Broadwell Broadwell
• Operating systems
  Windows 10, Linux Windows 10, Linux
• Virtualization
  VT-x, VT-x EPT, VT-d VT-x, VT-x EPT, VT-d
• Instruction set (ISA)
  x86-64 (64 bit) x86-64 (64 bit)
• ISA extensions
  SSE4.1, SSE4.2, AVX2 SSE4.1, SSE4.2, AVX2
• Release date
  Q4/2015 Q3/2017
• Release price
  216 $ 743 $