AMD Phenom II X2 545
AMD Phenom II X4 920
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AMD Phenom II X4 920 vs AMD Phenom II X2 545

Overall score
star star star star star
Released
Q2/2009
Released
Q1/2009
Overall score
star star star star star

Which one of the central processing units is better: AMD Phenom II X4 920 or AMD Phenom II X2 545? On this page we compare the technical data and benchmark results of different CPUs.

The AMD Phenom II X4 920 has 4 cores and 4 threads with maximum working frequency of No turbo. The AMD Phenom II X4 920 was released on Q1/2009.

The AMD Phenom II X2 545 has 2 cores with 4 threads and No turbo of frequency. The AMD Phenom II X2 545 was released on Q2/2009.

Differences
Reasons to consider
AMD Phenom II X2 545
Report a bug
  • Higher clock speed
    3.00 GHz left arrow 2.80 GHz
    Around -7% better clock speed
  • Performance per watt
    80 W left arrow 125 W
    About 1.56 0.97 times less performance per watt
Reasons to consider
AMD Phenom II X4 920
Report a bug
  • More number of cores
    4 left arrow 2
    2 times more cores
Specifications
Complete list of technical specifications
AMD Phenom II X2 545 AMD Phenom II X2 545
AMD Phenom II X4 920 AMD Phenom II X4 920
CPU generation and family

Let's find out which one of AMD Phenom II X2 545 and AMD Phenom II X4 920 is of a more recent generation, and what segment it belongs to.

  • Name
    AMD Phenom II X2 545 left arrow AMD Phenom II X4 920
  • Segment
    Desktop / Server left arrow Desktop / Server
  • Family
    AMD Phenom II left arrow AMD Phenom II
  • Generation
    2 left arrow 4
  • CPU group
    AMD Phenom II - 545 left arrow AMD Phenom II - 800/900
CPU Cores and Base Frequency

In this block we are going to compare AMD Phenom II X2 545 vs AMD Phenom II X4 920 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
    3.00 GHz left arrow 2.80 GHz
  • CPU Cores
    2 left arrow 4
  • Turbo (1 Core)
    No turbo left arrow No turbo
  • CPU Threads
    2 left arrow 4
  • Hyperthreading
    No left arrow No
  • Overclocking
    Yes left arrow Yes
  • Core architecture
    normal left arrow normal
Internal Graphics

Common specifications for integrated graphics cards in AMD Phenom II X2 545 and AMD Phenom II X4 920 along with supported interfaces and connection options. This block has no effect on the final efficiency of the CPU.

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

Let's compare the support of video codecs between AMD Phenom II X2 545 and AMD Phenom II X4 920. Hardware support of video decoding by embedded graphics cards directly affects the speed and quality of rendering videos.

  • 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 & PCIe

To choose the best model between AMD Phenom II X2 545 and AMD Phenom II X4 920 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
    DDR2-1066 left arrow DDR2-1066
  • ECC
    No left arrow No
  • Memory channels
    2 left arrow 2
Encryption

AES-NI encryption support for CPUs AMD Phenom II X2 545 and AMD Phenom II X4 920.

  • AES-NI
    No left arrow No
Thermal Management

Let's find out what TDP value would be better for AMD Phenom II X2 545 or AMD Phenom II X4 920? 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)
    80 W left arrow 125 W
Technical details

Here you can find a comparison of 2nd and 3rd level cache sizes for AMD Phenom II X2 545 and AMD Phenom II X4 920 CPUs along with a list of ISA extensions.

  • Instruction set (ISA)
    x86-64 (64 bit) left arrow x86-64 (64 bit)
  • Virtualization
    AMD-V left arrow AMD-V
  • ISA extensions
    SSE3, SSE4a left arrow SSE3, SSE4a
  • L3-Cache
    6.00 MB left arrow 6.00 MB
  • Architecture
    Callisto (K10) left arrow Deneb (K10)
  • Technology
    45 nm left arrow 45 nm
  • Socket
    AM3 left arrow AM2+
  • Release date
    Q2/2009 left arrow Q1/2009
Devices using this processor

List of devices based on AMD Phenom II X2 545 and AMD Phenom II X4 920.

  • Used in
    Unknown left arrow Unknown
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