AMD A8-5545M vs AMD Epyc 7451

Let's find out which one of AMD A8-5545M and AMD Epyc 7451 is of a more recent generation, and what segment it belongs to.

• Name
  AMD A8-5545M AMD Epyc 7451
• Segment
  Mobile Desktop / Server
• Family
  AMD A AMD Epyc
• Generation
  3 1
• CPU group
  AMD A8-5000M AMD Epyc 7001

In this block we are going to compare AMD A8-5545M vs AMD Epyc 7451 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
  1.70 GHz 2.30 GHz
• CPU Cores
  4 24
• Turbo (1 Core)
  2.70 GHz 3.20 GHz
• CPU Threads
  4 48
• Hyperthreading
  No Yes
• Overclocking
  No No
• Core architecture
  normal normal

Common specifications for integrated graphics cards in AMD A8-5545M and AMD Epyc 7451 along with supported interfaces and connection options. This block has no effect on the final efficiency of the CPU.

• GPU name
  AMD Radeon HD 8510G no iGPU
• GPU frequency
  0.45 GHz
• GPU (Turbo)
  0.55 GHz No turbo
• Execution units
  6
• Shader
  384
• Max. GPU Memory
  2 GB --
• Max. displays
  2
• Generation
  5
• DirectX Version
  11
• Technology
  32 nm
• Release date
  Q2/2013

Let's compare the support of video codecs between AMD A8-5545M and AMD Epyc 7451. 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
  Decode No
• VP9
  No No
• VP8
  No No
• AV1
  No No
• AVC
  Decode No
• VC-1
  Decode No
• JPEG
  Decode / Encode No

To choose the best model between AMD A8-5545M and AMD Epyc 7451 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
  DDR3-1333 DDR4-2666
• ECC
  No Yes
• Memory channels
  2 8
• PCIe version
  3.0
• PCIe lanes
  128

AES-NI encryption support for CPUs AMD A8-5545M and AMD Epyc 7451.

• AES-NI
  Yes Yes

Let's find out what TDP value would be better for AMD A8-5545M or AMD Epyc 7451? 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)
  19 W 180 W

Here you can find a comparison of 2nd and 3rd level cache sizes for AMD A8-5545M and AMD Epyc 7451 CPUs along with a list of ISA extensions.

• Instruction set (ISA)
  x86-64 (64 bit) x86-64 (64 bit)
• Virtualization
  AMD-V AMD-V, SVM
• ISA extensions
  SSE4a, SSE4.1, SSE4.2, AVX, FMA3, FMA4 SSE4a, SSE4.1, SSE4.2, AVX2, FMA3
• L3-Cache
  4.00 MB 64.00 MB
• Architecture
  Richland (Piledriver) Naples (Zen)
• Technology
  32 nm 14 nm
• Socket
  FP2 SP3
• Release date
  Q2/2013 Q3/2017

List of devices based on AMD A8-5545M and AMD Epyc 7451.

• Used in
  Unknown Unknown