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AMD A8-5600K APU vs Phenom II X4 955

The AMD A8-5600K APU is newer than AMD Phenom II X4 955 also around 12% faster in multi-threaded (CPU Mark) testing, it is around 9% faster in single-thread testing. However, AMD Phenom II X4 955 uses around 22% more power. All the CPUs in this comparison belong in the Desktop CPU Class.The values below were tabulated from a combined 5114 benchmarks submitted from our PerformanceTest software and results and are updated daily to include new submissions.

  • The first section will show basic information for each CPU selected.
  • The additional graphs shows the CPU Mark and Single Thread values of each CPU selected.
  • An accompany graph, if price data is available, will shows the value for money, in terms of the CPU Mark/Thread Rating per dollar.
  • The last section will show approximate yearly running costs for the CPUs.

×AMD A8-5600K APU×AMD Phenom II X4 955+ ADD
Price $69.01 - BUY $59.01 - BUY
Socket TypeFM2AM3
CPU ClassDesktopDesktop
Clockspeed3.6 GHz3.2 GHz
Turbo SpeedUp to 3.9 GHzNot Supported
# of Physical Cores4 (in 4 physical modules)4 (Threads: 4)
CacheL1: 320KB, L2: 8.0MB, L1: 512KB, L2: 2.0MB, L3: 6MB
TDP100W125W
Yearly Running Cost$18.25$22.81
Other
First Seen on ChartQ4 2012Q1 2009
# of Samples10914023
CPU Value41.442.7
Single Thread Rating(% diff. to max in group)1429(0.0%)1295(-9.4%)
CPU Mark(% diff. to max in group)2855(0.0%)2518(-11.8%)

CPU Mark Rating
As of 1st of December 2024 - Higher results represent better performance
AMD A8-5600K APU
2,855
AMD Phenom II X4 955
2,518
PassMark Software © 2008-2024
CPU Value (CPU Mark / $Price)
As of 1st of December 2024 - Higher results represent better value
AMD A8-5600K APU
41.4
AMD Phenom II X4 955
42.7
PassMark Software © 2008-2024
CPU Single Thread Rating
As of 1st of December 2024 - Higher results represent better performance
AMD A8-5600K APU
1,429
AMD Phenom II X4 955
1,295
PassMark Software © 2008-2024
Estimated Energy Usage Cost
Estimated Energy Adjustable Values
Average hours of use per day Average CPU Utilization (0-100%)1 Power cost, $ per kWh2
8
25
1Average user usage is typically low and can vary from task to task. An estimate load 25% is nominal.
2Typical power costs vary around the world. Check your last power bill for details. Values of $0.15 to $0.45 per kWh are typical.
AMD A8-5600K APU AMD Phenom II X4 955
Max TDP100W125W
Power consumption per day (kWh)NANA
Running cost per dayNANA
Power consumption per year (kWh)NANA
Running cost per yearNANA
Shown CPU power usage is based on linear interpolation of Max TDP (i.e. max load). Actual CPU power profile may vary.