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AMD Phenom II X2 555 vs Intel Core2 Duo E4500

The AMD Phenom II X2 555 is newer than Intel Core2 Duo E4500 @ 2.20GHz and is significantly faster in multi-threaded (CPU Mark) testing. It is also significantly faster in single-thread testing. Also, AMD Phenom II X2 555 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 1525 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 555×Intel Core2 Duo E4500 @ 2.20GHz+ ADD
Price Search Online Search Online
Socket TypeAM2+/AM3LGA775
CPU ClassDesktopDesktop
Clockspeed3.2 GHz2.2 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores2 (Threads: 2)2 (Threads: 2)
CacheL1: 256KB, L2: 1.0MB, L3: 6MBL1: 128KB, L2: 2.0MB, L3: 0MB
TDP80W65W
Yearly Running Cost$14.60$11.86
Other
First Seen on ChartQ1 2010Q4 2008
# of Samples4871038
CPU Rank40804694
CPU Value100.767.7
Single Thread Rating(% diff. to max in group)1306(0.0%)8143(-37.6%)
CPU Mark(% diff. to max in group)1312(0.0%)745(-43.2%)
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 25th of January 2026 - Higher results represent better performance
AMD Phenom II X2 555
1,312
Intel Core2 Duo E4500 @ 2.20GHz
745
PassMark Software © 2008-2026
CPU Value (CPU Mark / $Price)
As of 25th of January 2026 - Higher results represent better value
AMD Phenom II X2 555
100.7
Intel Core2 Duo E4500 @ 2.20GHz
67.7
PassMark Software © 2008-2026
CPU Single Thread Rating
As of 25th of January 2026 - Higher results represent better performance
AMD Phenom II X2 555
1,306
Intel Core2 Duo E4500 @ 2.20GHz
814
PassMark Software © 2008-2026
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 555 Intel Core2 Duo E4500 @ 2.20GHz
Max TDP80W65W
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.