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Intel Xeon E5-2666 v3 vs Xeon E5-2687W v3

The Intel Xeon E5-2666 v3 @ 2.90GHz is newer than Intel Xeon E5-2687W v3 @ 3.10GHz and has comparable multi-threaded (CPU Mark) and single-thread rating. However, Intel Xeon E5-2687W v3 @ 3.10GHz uses around 17% more power. All the CPUs in this comparison belong in the Server CPU Class.The values below were tabulated from a combined 462 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 E5-2666 v3 @ 2.90GHz×Intel Xeon E5-2687W v3 @ 3.10GHz+ ADD
Price Search Online $549.95 - BUY
Socket TypeLGA2011-v3LGA2011-v3
CPU ClassServerServer
Clockspeed2.9 GHz3.1 GHz
Turbo SpeedUp to 3.5 GHzUp to 3.5 GHz
# of Physical Cores10 (Threads: 20)10 (Threads: 20)
CacheL1: 640KB, L2: 2.5MB, L3: 25MBL1: 640KB, L2: 2.5MB, L3: 25MB
TDP135W160W
Yearly Running Cost$24.64$29.20
Other
First Seen on ChartQ1 2015Q4 2014
# of Samples38379
CPU Value0.026.7
Single Thread Rating(% diff. to max in group)1967(0.0%)1908(-3.0%)
CPU Mark(% diff. to max in group)14132(-3.9%)14706(0.0%)

CPU Mark Rating
As of 2nd of April 2025 - Higher results represent better performance
Intel Xeon E5-2666 v3 @ 2.90GHz
14,132
Intel Xeon E5-2687W v3 @ 3.10GHz
14,706
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 2nd of April 2025 - Higher results represent better value
Intel Xeon E5-2666 v3 @ 2.90GHz
NA
Intel Xeon E5-2687W v3 @ 3.10GHz
26.7
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 2nd of April 2025 - Higher results represent better performance
Intel Xeon E5-2666 v3 @ 2.90GHz
1,967
Intel Xeon E5-2687W v3 @ 3.10GHz
1,908
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 E5-2666 v3 @ 2.90GHz Intel Xeon E5-2687W v3 @ 3.10GHz
Max TDP135W160W
Power consumption per day (kWh)0.270.32
Running cost per day$0.068$0.080
Power consumption per year (kWh)98.6116.8
Running cost per year$24.64$29.20
Shown CPU power usage is based on linear interpolation of Max TDP (i.e. max load). Actual CPU power profile may vary.