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AMD Athlon II X4 645 vs A8-5600K APU

The AMD A8-5600K APU is newer than AMD Athlon II X4 645 also around 18% faster in multi-threaded (CPU Mark) testing, it is around 12% faster in single-thread testing. Both CPUs operates at simliar power levels (TDP). All the CPUs in this comparison belong in the Desktop CPU Class.The values below were tabulated from a combined 1701 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 Athlon II X4 645×AMD A8-5600K APU+ ADD
Price $59.99 - BUY $69.01 - BUY
Socket TypeAM3FM2
CPU ClassDesktopDesktop
Clockspeed3.1 GHz3.6 GHz
Turbo SpeedNot SupportedUp to 3.9 GHz
# of Physical Cores4 (Threads: 4)4 (in 4 physical modules)
CacheL1: 512KB, L2: 2.0MB, L1: 320KB, L2: 8.0MB,
TDP95W100W
Yearly Running Cost$17.34$18.25
Other
First Seen on ChartQ4 2010Q4 2012
# of Samples6101091
CPU Value39.141.4
Single Thread Rating(% diff. to max in group)1256(-12.2%)1429(0.0%)
CPU Mark(% diff. to max in group)2348(-17.8%)2855(0.0%)

CPU Mark Rating
As of 21st of November 2024 - Higher results represent better performance
AMD Athlon II X4 645
2,348
AMD A8-5600K APU
2,855
PassMark Software © 2008-2024
CPU Value (CPU Mark / $Price)
As of 21st of November 2024 - Higher results represent better value
AMD Athlon II X4 645
39.1
AMD A8-5600K APU
41.4
PassMark Software © 2008-2024
CPU Single Thread Rating
As of 21st of November 2024 - Higher results represent better performance
AMD Athlon II X4 645
1,256
AMD A8-5600K APU
1,429
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 Athlon II X4 645 AMD A8-5600K APU
Max TDP95W100W
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.