Intel Xeon D-1521
Intel Pentium D1508
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Intel Xeon D-1521 vs Intel Pentium D1508. Specifications, performance, tests

Overall score
star star star star star
Released
Q4/2015
Intel Xeon D-1521
Intel Xeon D-1521
Released
Q4/2015
Overall score
star star star star star
Intel Pentium D1508
Intel Pentium D1508

What's the best choice Intel Xeon D-1521 or Intel Pentium D1508? Which processor is faster?

We have prepared a comparison to help you choose the best processor. Compare their specifications and benchmarks.

Intel Xeon D-1521 has a maximum frequency of 2.40 GHz. 4 / 8 Cores. Power consumption of 45 W. Released in Q4/2015.

Intel Pentium D1508 has a maximum frequency of 2.20 GHz. 2 Cores. Power consumption of 25 W. Released in Q4/2015.

Differences

Intel Xeon D-1521 Reasons to consider
Intel Xeon D-1521
Report a bug
  • Higher clock speed

    Around 8% better clock speed

    2.40 GHz left arrow 2.20 GHz
  • More number of cores

    2 times more cores

    4 left arrow 2
  • Higher turbo clock speed

    Around 4% better overclocked clock speed

    2.70 GHz left arrow 2.60 GHz

Positions in all rankings

Common positions Intel Xeon D-1521 CPU in popular benchmarks, for comparison with other models.

  • Geekbench 5, 64bit (Single-Core)
    903 place
  • Geekbench 5, 64bit (Multi-Core)
    748 place
  • Place in the overall ranking

    (based on several benchmarks)

    1535 left arrow score
  • Performance per watt

    About 0.56 times less performance per watt

    25 W left arrow 45 W

Positions in all rankings

Common positions Intel Pentium D1508 CPU in popular benchmarks, for comparison with other models.

  • Cinebench R15 (Single-Core)
    1019 place
  • Cinebench R11.5, 64bit (Single-Core)
    799 place
  • Estimated results for PassMark CPU Mark
    984 place

Specifications

Technical data
Intel Xeon D-1521 Intel Xeon D-1521
Intel Pentium D1508 Intel Pentium D1508
CPU family and group

Background information about the processors being compared, series, generation and market segment.

  • Family
    Intel Xeon D left arrow Intel Pentium
  • CPU group
    Intel Xeon D-1500 left arrow Intel Pentium D
  • Segment
    Desktop / Server left arrow Desktop / Server
  • Generation
    1 left arrow 5
CPU Technical specs

Basic parameters such as number of cores, number of threads, base and turbo frequency, and cache size. These parameters indirectly tell about the speed of the processor, the higher they are the better.

  • Core architecture
    normal left arrow normal
  • Overclocking
    No left arrow No
  • Frequency
    2.40 GHz left arrow 2.20 GHz
IGPU

Internal Graphics does not affect the performance of the CPU, performs the work of the graphics card in its absence or on mobile devices.

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

Built-in codecs used to encode and decode content. Significantly speeds up the required operations.

  • h265 / HEVC (8 bit)
    No left arrow No
  • h265 / HEVC (10 bit)
    No left arrow No
  • h264
    No left arrow No
  • VP8
    No left arrow No
  • VP9
    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

Types, channel quantity of RAM supported by Intel Pentium D1508 and Intel Xeon D-1521. Depending on the motherboards, higher or lower memory frequencies may be supported.

  • Memory type
    DDR4-2133 left arrow DDR4-2133
  • Max. Memory
    128 GB left arrow
  • Memory channels
    2 left arrow 2
  • ECC
    Yes left arrow Yes
Thermal Management

Compare the TDP requirements of TDP Intel Xeon D-1521 and Intel Pentium D1508 to select a cooling system. Note, the TDP value refers to thermal watts, not electrical watts.

  • TDP (PL1)
    45 W left arrow 25 W
Technologies and extensions

Architecture, interfaces, additional instructions supported by Intel Xeon D-1521 and Intel Xeon D-1521, virtual machine technologies and process technology.

  • Instruction set (ISA)
    x86-64 (64 bit) left arrow x86-64 (64 bit)
  • ISA extensions
    SSE4.1, SSE4.2, AVX2 left arrow SSE4.1, SSE4.2, AVX2
  • L2-Cache
    6.00 MB left arrow --
  • L3-Cache
    -- left arrow 3.00 MB
  • Architecture
    Broadwell left arrow Broadwell
  • Technology
    14 nm left arrow 14 nm
  • Virtualization
    VT-x, VT-x EPT, VT-d left arrow VT-x, VT-x EPT, VT-d
  • Socket
    BGA 1667 left arrow AM1
  • Release date
    Q4/2015 left arrow Q4/2015

Benchmarks

Performance tests CPUs

Based on the results of several benchmarks, you can more accurately estimate the difference in performance between Intel Xeon D-1521 and Intel Pentium D1508.

Compare the synthetic test values and choose the best processor!

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