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CPU Benchmarks

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Intel Xeon E5-1660 vs Xeon E5-2643 v3

The Intel Xeon E5-2643 v3 @ 3.40GHz is newer than Intel Xeon E5-1660 @ 3.30GHz also around 20% faster in multi-threaded (CPU Mark) testing, it is around 13% faster in single-thread testing. Both CPUs operates at simliar power levels (TDP). All the CPUs in this comparison belong in the Server CPU Class.The values below were tabulated from a combined 304 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 E5-1660 @ 3.30GHz×Intel Xeon E5-2643 v3 @ 3.40GHz+ ADD
Price Search Online $229.95 - BUY
Socket TypeLGA2011LGA2011-v3
CPU ClassServerServer
Clockspeed3.3 GHz3.4 GHz
Turbo SpeedUp to 3.9 GHzUp to 3.7 GHz
# of Physical Cores6 (Threads: 12)6 (Threads: 12)
CacheL1: 384KB, L2: 1.5MB, L3: 15MBL1: 384KB, L2: 1.5MB, L3: 20MB
TDP130W135W
Yearly Running Cost$23.73$24.64
Other
First Seen on ChartQ3 2012Q1 2015
# of Samples25252
CPU Value31.345.4
Single Thread Rating(% diff. to max in group)1793(-13.3%)2068(0.0%)
CPU Mark(% diff. to max in group)8367(-19.8%)10431(0.0%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 7th of April 2025 - Higher results represent better performance
Intel Xeon E5-1660 @ 3.30GHz
8,367
Intel Xeon E5-2643 v3 @ 3.40GHz
10,431
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 7th of April 2025 - Higher results represent better value
Intel Xeon E5-1660 @ 3.30GHz
31.3
Intel Xeon E5-2643 v3 @ 3.40GHz
45.4
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 7th of April 2025 - Higher results represent better performance
Intel Xeon E5-1660 @ 3.30GHz
1,793
Intel Xeon E5-2643 v3 @ 3.40GHz
2,068
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 E5-1660 @ 3.30GHz Intel Xeon E5-2643 v3 @ 3.40GHz
Max TDP130W135W
Power consumption per day (kWh)0.260.27
Running cost per day$0.065$0.068
Power consumption per year (kWh)94.998.6
Running cost per year$23.73$24.64
Shown CPU power usage is based on linear interpolation of Max TDP (i.e. max load). Actual CPU power profile may vary.