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Intel Xeon E5205 vs AMD Opteron 185

The Intel Xeon E5205 @ 1.86GHz is newer than AMD Opteron 185 also around 17% faster in multi-threaded (CPU Mark) testing, but AMD Opteron 185 is around 11% faster in single-thread testing. However, Intel Xeon E5205 @ 1.86GHz uses substantially less power. All the CPUs in this comparison belong in the Server CPU Class.The values below were tabulated from a combined 18 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.

×Intel Xeon E5205 @ 1.86GHz×AMD Opteron 185+ ADD
Price Search Online Search Online
Socket TypeLGA771939
CPU ClassServerServer
Clockspeed1.9 GHz2.6 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores2 (Threads: 2)2 (Threads: 2)
CacheL1: 128KB, L2: 6.0MB, L3: 0MBL1: 256KB, L2: 2.0MB,
TDP65W110W
Yearly Running Cost$11.86$20.08
Other
First Seen on ChartQ1 2012Q1 2009
# of Samples513
CPU Value58.70.0
Single Thread Rating(% diff. to max in group)788(-10.8%)8843(0.0%)
CPU Mark(% diff. to max in group)838(0.0%)695(-17.1%)
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 3rd of April 2025 - Higher results represent better performance
Intel Xeon E5205 @ 1.86GHz
838
AMD Opteron 185
695
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 3rd of April 2025 - Higher results represent better value
Intel Xeon E5205 @ 1.86GHz
58.7
AMD Opteron 185
NA
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 3rd of April 2025 - Higher results represent better performance
Intel Xeon E5205 @ 1.86GHz
788
AMD Opteron 185
884
PassMark Software © 2008-2025
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.
Intel Xeon E5205 @ 1.86GHz AMD Opteron 185
Max TDP65W110W
Power consumption per day (kWh)0.130.22
Running cost per day$0.033$0.055
Power consumption per year (kWh)47.580.3
Running cost per year$11.86$20.07
Shown CPU power usage is based on linear interpolation of Max TDP (i.e. max load). Actual CPU power profile may vary.