AMD Epyc 7542 vs Qualcomm Snapdragon 855

Let's find out which one of AMD Epyc 7542 and Qualcomm Snapdragon 855 is of a more recent generation, and what segment it belongs to.

• Name
  AMD Epyc 7542 Qualcomm Snapdragon 855
• Segment
  Desktop / Server Mobile
• Family
  AMD Epyc Qualcomm Snapdragon
• Generation
  2 6
• CPU group
  AMD Epyc 7002 Qualcomm Snapdragon 855/860

In this block we are going to compare AMD Epyc 7542 vs Qualcomm Snapdragon 855 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.

• Frequency
  2.90 GHz 1.80 GHz
• CPU Cores
  32 8
• Turbo (1 Core)
  3.40 GHz 2.84 GHz
• CPU Threads
  64 8
• Hyperthreading
  Yes No
• Overclocking
  No No
• Core architecture
  normal hybrid (Prime / big.LITTLE)
• A core
  -- 1x Kryo 485 Prime
• B core
  -- 3x Kryo 485 Gold
• C core
  -- 4x Kryo 485 Silver

Common specifications for integrated graphics cards in AMD Epyc 7542 and Qualcomm Snapdragon 855 along with supported interfaces and connection options. This block has no effect on the final efficiency of the CPU.

• GPU name
  no iGPU Qualcomm Adreno 640
• GPU frequency
  0.25 GHz
• GPU (Turbo)
  No turbo 0.59 GHz
• Execution units
  4
• Shader
  384
• Max. GPU Memory
  -- 4 GB
• Max. displays
  1
• Generation
  5
• DirectX Version
  12.0
• Technology
  7 nm
• Release date
  Q1/2019

Let's compare the support of video codecs between AMD Epyc 7542 and Qualcomm Snapdragon 855. Hardware support of video decoding by embedded graphics cards directly affects the speed and quality of rendering videos.

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

To choose the best model between AMD Epyc 7542 and Qualcomm Snapdragon 855 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
  DDR4-3200 LPDDR4X-4266
• Max. Memory
  16 GB
• ECC
  Yes No
• Memory channels
  8 4
• PCIe version
  4.0
• PCIe lanes
  128

AES-NI encryption support for CPUs AMD Epyc 7542 and Qualcomm Snapdragon 855.

• AES-NI
  Yes No

Let's find out what TDP value would be better for AMD Epyc 7542 or Qualcomm Snapdragon 855? 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)
  225 W

Here you can find a comparison of 2nd and 3rd level cache sizes for AMD Epyc 7542 and Qualcomm Snapdragon 855 CPUs along with a list of ISA extensions.

• Instruction set (ISA)
  x86-64 (64 bit) ARMv8-A64 (64 bit)
• Virtualization
  AMD-V, SVM None
• ISA extensions
  SSE4a, SSE4.1, SSE4.2, AVX2, FMA3
• L2-Cache
  -- 2.00 MB
• L3-Cache
  128.00 MB 3.00 MB
• Architecture
  Rome (Zen 2) Kryo 485
• Technology
  7 nm 7 nm
• Socket
  SP3 N/A
• Release date
  Q3/2019 Q4/2018
• Part Number
  -- SM8150

List of devices based on AMD Epyc 7542 and Qualcomm Snapdragon 855.

• Used in
  Unknown OnePlus 7 ProOnePlus 7 Pro 5GSony Xperia 1Sony Xperia 5Xiaomi Mi 9Oppo Reno 10x Zoom