AMD Epyc 7251
AMD Epyc 7281
Select video card 1
Select video card 2

AMD Epyc 7251 vs AMD Epyc 7281. Specifications, performance, tests

Overall score
star star star star star
Released
Q3/2017
AMD Epyc 7251
AMD Epyc 7251
Released
Q3/2017
Overall score
star star star star star
AMD Epyc 7281
AMD Epyc 7281

Compare AMD Epyc 7251 VS AMD Epyc 7281. Which processor delivers superior performance?

In this detailed comparison, we evaluate the specifications and benchmarks of both processors to determine the best choice for your needs. We analyze their core counts, maximum frequencies, and power consumption.

AMD Epyc 7251 boasts a maximum frequency of 2.10 GHz GHz. 8 cores that enhance multitasking capabilities.With a power consumption of 120 W W, it ensures efficient performance.Released in Q3/2017, it incorporates the latest technology for optimal efficiency.

AMD Epyc 7281 features a maximum frequency of 2.20 GHz GHz. 16 cores designed for high-performance tasks.Its power consumption is 170 W W, providing a balance of power and efficiency.Launched in Q3/2017, it is built to handle demanding applications.

Differences

AMD Epyc 7251 Reasons to consider
AMD Epyc 7251
Report a bug
  • Place in the overall ranking

    (based on several benchmarks)

    737 left arrow score
  • Higher turbo clock speed

    Around 7% better overclocked clock speed

    2.90 GHz left arrow 2.70 GHz
  • Performance per watt

    times less performance per watt

    120 W left arrow 170 W

Positions in all rankings

Common positions AMD Epyc 7251 CPU in popular benchmarks, for comparison with other models.

  • Cinebench R15 (Single-Core)
    661 place
  • Cinebench R15 (Multi-Core)
    289 place
  • Geekbench 5, 64bit (Multi-Core)
    562 place
  • Geekbench 3, 64bit (Single-Core)
    354 place
  • Geekbench 3, 64bit (Multi-Core)
    187 place
  • Cinebench R11.5, 64bit (Single-Core)
    556 place
  • Cinebench R11.5, 64bit (Multi-Core)
    148 place
  • Estimated results for PassMark CPU Mark
    465 place
AMD Epyc 7281 Reasons to consider
AMD Epyc 7281
Report a bug
  • Place in the overall ranking

    (based on several benchmarks)

    592 left arrow score
  • Higher clock speed

    Around 5% better clock speed

    2.20 GHz left arrow 2.10 GHz
  • More number of cores

    About 2 times more cores

    16 left arrow 8

Positions in all rankings

Common positions AMD Epyc 7281 CPU in popular benchmarks, for comparison with other models.

  • Cinebench R15 (Single-Core)
    725 place
  • Cinebench R15 (Multi-Core)
    139 place
  • Geekbench 3, 64bit (Single-Core)
    416 place
  • Geekbench 3, 64bit (Multi-Core)
    93 place
  • Cinebench R11.5, 64bit (Single-Core)
    478 place
  • Cinebench R11.5, 64bit (Multi-Core)
    76 place
  • Estimated results for PassMark CPU Mark
    424 place
  • Geekbench 6 (Multi-Core)
    255 place

Specifications

Technical data
AMD Epyc 7251 AMD Epyc 7251
AMD Epyc 7281 AMD Epyc 7281
CPU family and group

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

  • Segment
    Desktop / Server left arrow Desktop / Server
  • Family
    AMD Epyc left arrow AMD Epyc
  • Generation
    1 left arrow 1
  • CPU group
    AMD Epyc 7001 left arrow AMD Epyc 7001
CPU Technical specs

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
    2.10 GHz left arrow 2.20 GHz
  • CPU Cores
    8 left arrow 16
  • Turbo (1 Core)
    2.90 GHz left arrow 2.70 GHz
  • CPU Threads
    16 left arrow 32
  • Hyperthreading
    Yes left arrow Yes
  • Overclocking
    No left arrow No
  • Core architecture
    normal left arrow normal
IGPU

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 left arrow no iGPU
  • GPU (Turbo)
    No turbo left arrow No turbo
Hardware codec support

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 left arrow No
  • h265 / HEVC (10 bit)
    No left arrow No
  • h264
    No left arrow No
  • VP9
    No left arrow No
  • VP8
    No left arrow No
  • AV1
    No left arrow No
  • AVC
    No left arrow No
  • VC-1
    No left arrow No
  • JPEG
    No left arrow No
Memory specs & PCI

Overview of the types and quantities of RAM supported by AMD Epyc 7281 and AMD Epyc 7251. The supported memory frequencies may vary depending on the motherboard configuration.

  • Memory type
    DDR4-2666 left arrow DDR4-2666
  • ECC
    Yes left arrow Yes
  • Memory channels
    8 left arrow 8
  • PCIe version
    3.0 left arrow 3.0
  • PCIe lanes
    128 left arrow 128
Encryption
  • AES-NI
    Yes left arrow Yes
Thermal Management

Analyze the TDP (Thermal Design Power) requirements of AMD Epyc 7251 and AMD Epyc 7281 to make an informed decision on the appropriate cooling system. Remember that TDP refers to thermal watts, not electrical watts.

  • TDP (PL1)
    120 W left arrow 170 W
Technologies and extensions

Information on architecture, interfaces, and additional instructions supported by AMD Epyc 7251 and AMD Epyc 7281, including virtual machine technologies and fabrication processes.

  • Instruction set (ISA)
    x86-64 (64 bit) left arrow x86-64 (64 bit)
  • Virtualization
    AMD-V, SVM left arrow AMD-V, SVM
  • ISA extensions
    SSE4a, SSE4.1, SSE4.2, AVX2, FMA3 left arrow SSE4a, SSE4.1, SSE4.2, AVX2, FMA3
  • L3-Cache
    32.00 MB left arrow 32.00 MB
  • Architecture
    Naples (Zen) left arrow Naples (Zen)
  • Technology
    14 nm left arrow 14 nm
  • Socket
    SP3 left arrow SP3
  • Release date
    Q3/2017 left arrow Q3/2017

Benchmarks

Performance tests CPUs

By analyzing the results from various benchmarks, you can gain a clearer understanding of the performance differences between AMD Epyc 7251 and AMD Epyc 7281.

Compare the synthetic benchmark scores and make an informed decision on the best processor for your needs!

Cinebench R15 (Single-Core)
The Cinebench R15 SC stresses the computing modules of a desktop or laptop computer to their limits and accurately determines the key performance parameters of the hardware
128
AMD Epyc 7251
119
AMD Epyc 7281
Cinebench R15 (Multi-Core)
The Cinebench R15 MC stresses the computing modules of a desktop or laptop computer to their limits and accurately determines the key performance parameters of the hardware
1093
AMD Epyc 7251
2033
AMD Epyc 7281
Geekbench 3, 64bit (Single-Core)
Geekbench 3 SC for one CPU core, includes stress tests simulating real 3D scenarios for Windows, Mac, Linux, Ansroid, iOS
3410
AMD Epyc 7251
3175
AMD Epyc 7281
Geekbench 3, 64bit (Multi-Core)
Geekbench 3 MC using a multi-core and hyperthreading, includes stress tests simulating real 3D scenarios for Windows, Mac, Linux, Ansroid, iOS
18947
AMD Epyc 7251
35367
AMD Epyc 7281
Cinebench R11.5, 64bit (Single-Core)
The PC CPU and GPU test involves rendering a specific 3D scene in single-core mode, based on CINEMA 4D
1.57
AMD Epyc 7251
1.46
AMD Epyc 7281
Cinebench R11.5, 64bit (Multi-Core)
The PC CPU and GPU test involves rendering a specific 3D scene in multi-core mode and hyperthreading, based on CINEMA 4D
11.04
AMD Epyc 7251
20.61
AMD Epyc 7281
Estimated results for PassMark CPU Mark
PassMark is a test suite that performs complex mathematical calculations to determine CPU performance on file compression, encryption and physics-related tasks
11809
AMD Epyc 7251
13293
AMD Epyc 7281

Latest comparisons