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AMD Phenom II X2 521 vs Phenom II X2 565

The AMD Phenom II X2 521 is newer than AMD Phenom II X2 565 and has comparable multi-threaded (CPU Mark) and single-thread rating. However, AMD Phenom II X2 565 uses around 21% more power. All the CPUs in this comparison belong in the Desktop CPU Class.The values below were tabulated from a combined 82 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 Phenom II X2 521×AMD Phenom II X2 565+ ADD
Price Search Online Search Online
Socket TypeAM2+/AM3AM2+/AM3
CPU ClassDesktopDesktop
Clockspeed3.5 GHz3.4 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores2 (Threads: 2)2 (Threads: 2)
CacheL1: 256KB, L2: 2.0MB, L1: 256KB, L2: 1.0MB, L3: 6MB
TDP65W80W
Yearly Running Cost$11.86$14.60
Other
First Seen on ChartQ2 2011Q1 2011
# of Samples4042
CPU Value0.08.5
Single Thread Rating(% diff. to max in group)14093(0.0%)1376(-2.4%)
CPU Mark(% diff. to max in group)1374(-4.7%)1442(0.0%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.
3 - Single thread rating may be higher than the overall rating, thread performance is just one component of the CPU Mark.

CPU Mark Rating
As of 22nd of December 2024 - Higher results represent better performance
AMD Phenom II X2 521
1,374
AMD Phenom II X2 565
1,442
PassMark Software © 2008-2024
CPU Value (CPU Mark / $Price)
As of 22nd of December 2024 - Higher results represent better value
AMD Phenom II X2 521
NA
AMD Phenom II X2 565
8.5
PassMark Software © 2008-2024
CPU Single Thread Rating
As of 22nd of December 2024 - Higher results represent better performance
AMD Phenom II X2 521
1,409
AMD Phenom II X2 565
1,376
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 Phenom II X2 521 AMD Phenom II X2 565
Max TDP65W80W
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.