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Intel Xeon X5660 vs Xeon E5-2665

The Intel Xeon E5-2665 @ 2.40GHz is newer than Intel Xeon X5660 @ 2.80GHz also around 27% faster in multi-threaded (CPU Mark) testing but the CPUs have comparable single-thread rating. However, Intel Xeon E5-2665 @ 2.40GHz uses around 19% more power. All the CPUs in this comparison belong in the Server CPU Class.The values below were tabulated from a combined 480 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 X5660 @ 2.80GHz×Intel Xeon E5-2665 @ 2.40GHz+ ADD
Price $9.98 - BUY $978 - BUY
Socket TypeLGA1366LGA2011
CPU ClassServerServer
Clockspeed2.8 GHz2.4 GHz
Turbo SpeedUp to 3.2 GHzUp to 3.1 GHz
# of Physical Cores6 (Threads: 12)8 (Threads: 16)
CacheL1: 384KB, L2: 1.5MB, L3: 12MBL1: 512KB, L2: 2.0MB, L3: 20MB
TDP95W115W
Yearly Running Cost$17.34$20.99
Other
First Seen on ChartQ2 2010Q2 2012
# of Samples312168
CPU Value602.98.5
Single Thread Rating(% diff. to max in group)1371(-1.6%)1393(0.0%)
CPU Mark(% diff. to max in group)6017(-27.3%)8273(0.0%)

CPU Mark Rating
As of 26th of December 2024 - Higher results represent better performance
Intel Xeon X5660 @ 2.80GHz
6,017
Intel Xeon E5-2665 @ 2.40GHz
8,273
PassMark Software © 2008-2024
CPU Value (CPU Mark / $Price)
As of 26th of December 2024 - Higher results represent better value
Intel Xeon X5660 @ 2.80GHz
602.9
Intel Xeon E5-2665 @ 2.40GHz
8.5
PassMark Software © 2008-2024
CPU Single Thread Rating
As of 26th of December 2024 - Higher results represent better performance
Intel Xeon X5660 @ 2.80GHz
1,371
Intel Xeon E5-2665 @ 2.40GHz
1,393
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.
Intel Xeon X5660 @ 2.80GHz Intel Xeon E5-2665 @ 2.40GHz
Max TDP95W115W
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.