AMD Athlon II X4 651K
AMD Athlon II X2 250
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AMD Athlon II X4 651K vs AMD Athlon II X2 250. Specifications, performance, tests

Overall score
star star star star star
Released
Q4/2011
AMD Athlon II X4 651K
AMD Athlon II X4 651K
Released
Q2/2009
Overall score
star star star star star
AMD Athlon II X2 250
AMD Athlon II X2 250

Compare AMD Athlon II X4 651K VS AMD Athlon II X2 250. 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 Athlon II X4 651K boasts a maximum frequency of 3.00 GHz GHz. 4 / 4 cores that enhance multitasking capabilities.With a power consumption of 100 W W, it ensures efficient performance.Released in Q4/2011, it incorporates the latest technology for optimal efficiency.

AMD Athlon II X2 250 features a maximum frequency of 3.00 GHz GHz. 2 / 2 cores designed for high-performance tasks.Its power consumption is 65 W W, providing a balance of power and efficiency.Launched in Q2/2009, it is built to handle demanding applications.

Differences

  • More number of cores

    2 times more cores

    4 left arrow 2

Positions in all rankings

Common positions AMD Athlon II X4 651K CPU in popular benchmarks, for comparison with other models.

  • Geekbench 5, 64bit (Single-Core)
    1227 place
  • Geekbench 5, 64bit (Multi-Core)
    1112 place
  • Performance per watt

    About 0.65 times less performance per watt

    65 W left arrow 100 W

Positions in all rankings

Common positions AMD Athlon II X2 250 CPU in popular benchmarks, for comparison with other models.

  • Geekbench 5, 64bit (Single-Core)
    1240 place
  • Geekbench 5, 64bit (Multi-Core)
    1410 place

Specifications

Technical data
AMD Athlon II X4 651K AMD Athlon II X4 651K
AMD Athlon II X2 250 AMD Athlon II X2 250
CPU family and group

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

  • Family
    AMD Athlon II left arrow AMD Athlon II
  • CPU group
    AMD Athlon II X4 (Llano) left arrow AMD Athlon II X2 (Propus)
  • Segment
    Desktop / Server left arrow Desktop / Server
  • Generation
    2 left arrow 1
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.

  • CPU Cores / Threads
    4 / 4 left arrow 2 / 2
  • Core architecture
    normal left arrow normal
  • Cores
    4x left arrow 2x
  • Hyperthreading / SMT
    No left arrow No
  • Overclocking
    Yes left arrow No
  • Frequency
    3.00 GHz left arrow 3.00 GHz
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
  • 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

Overview of the types and quantities of RAM supported by AMD Athlon II X2 250 and AMD Athlon II X4 651K. The supported memory frequencies may vary depending on the motherboard configuration.

  • Memory type
    DDR3-1333 left arrow DDR3-1333
  • Max. Memory
    16 GB left arrow 16 GB
  • Memory channels
    2 left arrow 2
  • Bandwidth
    21.3 GB/s left arrow --
  • ECC
    No left arrow No
  • PCIe
    2.0 left arrow 2.0
  • AES-NI
    No left arrow No
Thermal Management

Analyze the TDP (Thermal Design Power) requirements of AMD Athlon II X4 651K and AMD Athlon II X2 250 to make an informed decision on the appropriate cooling system. Remember that TDP refers to thermal watts, not electrical watts.

  • TDP (PL1)
    100 W left arrow 65 W
Technologies and extensions

Information on architecture, interfaces, and additional instructions supported by AMD Athlon II X4 651K and AMD Athlon II X2 250, including virtual machine technologies and fabrication processes.

  • Instruction set (ISA)
    x86-64 (64 bit) left arrow x86-64 (64 bit)
  • ISA extensions
    MMX, 3DNow!, SSE3, SSE4a left arrow MMX, 3DNow!, SSE3, SSE4a
  • L2-Cache
    4.00 MB left arrow 2.00 MB
  • Architecture
    Llano left arrow Propus
  • Technology
    32 nm left arrow 45 nm
  • Virtualization
    AMD-V left arrow AMD-V
  • Socket
    FM1 left arrow AM3
  • Release date
    Q4/2011 left arrow Q2/2009

Benchmarks

Performance tests CPUs

By analyzing the results from various benchmarks, you can gain a clearer understanding of the performance differences between AMD Athlon II X4 651K and AMD Athlon II X2 250.

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

Geekbench 5, 64bit (Single-Core)
Geekbench 5 SC is a popular cross-platform performance test for desktop or mobile processors that uses system memory intensively
411
AMD Athlon II X4 651K
399
AMD Athlon II X2 250
Geekbench 5, 64bit (Multi-Core)
Geekbench 5 MC is a popular cross-platform performance test for desktop or mobile processors that uses system memory intensively
1467
AMD Athlon II X4 651K
756
AMD Athlon II X2 250

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