AMD Epyc 7281 vs Qualcomm Snapdragon 665

Let's find out which one of AMD Epyc 7281 and Qualcomm Snapdragon 665 is of a more recent generation, and what segment it belongs to.

• Name
  AMD Epyc 7281 Qualcomm Snapdragon 665
• Segment
  Desktop / Server Mobile
• Family
  AMD Epyc Qualcomm Snapdragon
• Generation
  1 7
• CPU group
  AMD Epyc 7001 Qualcomm Snapdragon 662/665

In this block we are going to compare AMD Epyc 7281 vs Qualcomm Snapdragon 665 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
  2.20 GHz 1.80 GHz
• CPU Cores
  16 8
• Turbo (1 Core)
  2.70 GHz 2.00 GHz
• CPU Threads
  32 8
• Hyperthreading
  Yes No
• Overclocking
  No No
• Core architecture
  normal hybrid (big.LITTLE)
• A core
  -- 4x Kryo 260 Gold
• B core
  -- 4x Kryo 260 Silver

Common specifications for integrated graphics cards in AMD Epyc 7281 and Qualcomm Snapdragon 665 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 610
• GPU (Turbo)
  No turbo No turbo
• Shader
  128
• Max. GPU Memory
  -- 4 GB
• Generation
  6
• DirectX Version
  12.1
• Technology
  11 nm
• Release date
  Q2/2019

Let's compare the support of video codecs between AMD Epyc 7281 and Qualcomm Snapdragon 665. Hardware support of video decoding by embedded graphics cards directly affects the speed and quality of rendering videos.

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

To choose the best model between AMD Epyc 7281 and Qualcomm Snapdragon 665 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
  DDR4-2666 LPDDR3-1866LPDDR4X-1866
• ECC
  Yes No
• Memory channels
  8 2
• PCIe version
  3.0
• PCIe lanes
  128

AES-NI encryption support for CPUs AMD Epyc 7281 and Qualcomm Snapdragon 665.

• AES-NI
  Yes No

Let's find out what TDP value would be better for AMD Epyc 7281 or Qualcomm Snapdragon 665? 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)
  170 W

Here you can find a comparison of 2nd and 3rd level cache sizes for AMD Epyc 7281 and Qualcomm Snapdragon 665 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
• L3-Cache
  32.00 MB --
• Architecture
  Naples (Zen) Kryo 260
• Technology
  14 nm 11 nm
• Socket
  SP3 N/A
• Release date
  Q3/2017 Q2/2019
• Part Number
  -- SM6125

List of devices based on AMD Epyc 7281 and Qualcomm Snapdragon 665.

• Used in
  Unknown Unknown