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AMD FX-6100 vs Phenom II X4 955 (125W, rev. C3)

Mini Review

AMD FX-6100 advantages



AMD FX-6100
  • The FX-6100 packs more CPU cores than the AMD 955 processor. Large number of cores helps this microprocessor to handle multiple simultaneous threads or processes.
  • Our estimates show that the AMD FX-6100 CPU performs 3% better when running multi-threaded tasks.
  • The FX-6100 features SSSE3, SSE4.1 and SSE4.2 instructions.
  • The microprocessor has Advanced Encryption Standard technology enabled. These instructions accelerate AES encryption and decryption, and are useful if you need to secure your disk or network data.
  • The processor includes AVX and XOP instructions, that appeared in modern CPUs not too far ago. Although these extensions are not widely used in applications yet, their support should improve in future apps.
  • The microprocessor has FMA4 instruction set extension enabled. Only AMD processors offer this technology, thus it may not get broad support from software vendors.
  • The AMD FX-6100 CPU features unlocked clock multiplier. The processor can be easily overclocked on most motherboards to achieve greater performance.
  • Power consumption of the FX-6100 microprocessor is lower.

AMD Phenom II X4 955 (125W, rev. C3) advantages



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  • According to our estimates, the processor is 24% faster in single-threaded tasks.
  • The microprocessor incorporates 3DNow! technology. Even though the 3DNow! instruction set may increase performance of certain old games and software, it is now obsolete, and it is no longer used by modern programs.

FX-6100 vs 955 estimated performance

The charts in the table below demonstrate performance of FX-6100 and Phenom II X4 955 (125W, rev. C3) microprocessors. Performance numbers for FX-6100 were determined based on a variety of benchmarks. Results for Phenom II X4 955 (125W, rev. C3) were derived from test results of other processors with identical core and microarchitecture. It is important to note that the approximation has greater error of margin than results obtained using real-world tests. Also, this is an averaged performance, and the difference in individual benchmarks may be better or worse than what you see in the charts below.
Single-threaded performance
2
1.6
1.2
0.8
0.4
0
 
 
1
 
1.24
 
 
Higher is better
Multi-threaded performance
2
1.6
1.2
0.8
0.4
0
 
 
1.03
 
1
 
 
Higher is better

  - AMD FX-6100       - AMD Phenom II X4 955 (125W, rev. C3)

FX-6100 vs 955 specifications comparison

The graphs below show the difference between FX-6100 and AMD Phenom II X4 955 (125W, rev. C3) most important characteristics. These features, along with an IPC (instructions per cycle) number, determine how well a microprocessor performs. The "Operating frequency" chart uses dark color to represent base frequency, while lighter area is for additional frequency, provided by Turbo feature. Darker area on the "On-chip cache" graph is for the On-chip L2 cache. Lighter area is for the L3 cache cache. Although the L3 cache cache is usually larger than the On-chip L2 cache, it is always slower.

The number of cores / threads
7
5.6
4.2
2.8
1.4
0
 
 
6
 
4
 
 
Higher is better
Operating frequency
5
4
3
2
1
0
 
 
3.9GHz
 
3.2GHz
 
 
Higher is better
On-chip L2 + L3 cache
20
16
12
8
4
0
 
 
14MB
 
8MB
 
 
Higher is better
Thermal Design Power
200
160
120
80
40
0
 
 
95W
 
125W
 
 
Lower is better

  - AMD FX-6100       - AMD Phenom II X4 955 (125W, rev. C3)

Detailed side by side comparison of AMD FX-6100 vs 955 specs can be found in the "Specifications" tab.


Pros and Cons summary

FX-6100 Phenom II X4 955 (125W, rev. C3)
General recommendations:
Insignificantly faster in multi-threaded tasks,
Comes with more CPU cores,
Can handle more threads at once,
Supports SSE4.1 / SSE4.2 / AVX / XOP instructions,
Allows simple overclocking,
Needs less power
  General recommendations:
Performs better in single-threaded tasks

Drawbacks:

Worse performance in single-threaded applications
 

Drawbacks:

A bit slow in multi-threaded applications,
Has fewer CPU cores,
Cannot execute as many threads at once,
Does not support some instructions,
Higher power consumption

Similar processors

FX-6100 Phenom II X4 955 (125W, rev. C3)
 

Similar microprocessors are based on the same core and fit the same socket as AMD FX-6100 and AMD Phenom II X4 955 (125W, rev. C3).

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More comparisons

Compare AMD FX-6100 with...

Other Phenom II X4 CPU:

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Compare AMD Phenom II X4 955 (125W, rev. C3) with...

Other FX-Series CPU:

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Note: To see differences with any CPU, type in any combination of the following into the "Any CPU" field: manufacturer name, full or partial family name, model number, part number, core name, socket name, operating frequency, bus speed (must have FSB suffix), and the last level cache. Here are some valid searches:

  i5-3570K
  Intel Celeron 2 GHz
  Bulldozer
  Pentium 4 800FSB
  AMD 3.3GHz 8MB

Specifications

Please visit AMD FX-6100 and AMD Phenom II X4 955 (125W, rev. C3) pages for more detailed specifications of both microprocessors.

 AMD FX-6100AMD Phenom II X4 955 (125W, rev. C3)
Market segmentDesktop
ManufacturerAMD
FamilyFX-SeriesPhenom II X4
Basic details
Model numberFX-6100955
CPU part numberFD6100WMW6KGUHDX955FBK4DGM
Box part numberFD6100WMGUSBX 
Introduction dateOctober 12, 2011November 4, 2009
Current official price$112 (as of Apr 2014) 
 
CPU features
Core nameZambeziDeneb
Platform nameScorpiusDragon
MicroarchitectureBulldozerK10
Technology (micron)0.0320.045
Data width (bits)64
SocketSocket AM3+Socket AM2+ / Socket AM3
Frequency (MHz)33003200
Turbo Frequency (MHz)3900 / 3600 
Bus speed (MHz)2600 (HT/QPI)2000 (HT/QPI)
Clock Multiplier 16
L1 cache192 KB (code) / 96 KB (data)256 KB (code) / 256 KB (data)
L2 cache (KB)61442048
L3 cache (KB)81926144
Max temperature (°C)7055 - 62
TDP (Watt)95125
Core voltage (V) 0.85 - 1.4
Cores64
Threads64
Multiprocessing1
 
Instruction set extensions
3DNow!-+
AES / Advanced Encryption Standard+-
AMD64 / EM64T 64-bit technology+
AVX / Advanced Vector Extensions+-
FMA4 / 4-operand Fused Multiply-Add+-
MMX+
SSE+
SSE2+
SSE3+
SSE4.1+-
SSE4.2+-
SSSE3 / Supplemental SSE3+-
XOP / eXtended Operations+-
 
Supported technologies
PowerNow! / Enhanced SpeedStep+
Turbo Core / Turbo Boost+-
Unlocked multiplier+-
Virtualization+
Virus Protection / Execute Disable bit+
 
Integrated Graphics
GPU TypeNone
 
Integrated Memory Controller(s)
The number of controllers1
Memory channels2
Supported memoryDDR3-1866DDR2-1066, DDR3-1333
Notes:

Rows with different specifications or features are highlighted.

For detailed specifications of "AMD FX-6100" or "AMD Phenom II X4 955 (125W, rev. C3)" parts please click on the links in the table header.

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