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Intel Xeon E5-2643 v3 vs Xeon E5-1660 v3

The Intel Xeon E5-2643 v3 @ 3.40GHz is newer than Intel Xeon E5-1660 v3 @ 3.00GHz and is around -17% slower in multi-threaded (CPU Mark) testing. However the CPUs have comparable single-thread rating. 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 178 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 E5-2643 v3 @ 3.40GHz×Intel Xeon E5-1660 v3 @ 3.00GHz+ ADD
Price $229.95 - BUY $198.95 - BUY
Socket TypeLGA2011-v3LGA2011-v3
CPU ClassServerServer
Clockspeed3.4 GHz3.0 GHz
Turbo SpeedUp to 3.7 GHzUp to 3.5 GHz
# of Physical Cores6 (Threads: 12)8 (Threads: 16)
CacheL1: 384KB, L2: 1.5MB, L3: 20MBL1: 512KB, L2: 2.0MB, L3: 20MB
TDP135W140W
Yearly Running Cost$24.64$25.55
Other
First Seen on ChartQ1 2015Q4 2014
# of Samples53125
CPU Value45.462.9
Single Thread Rating(% diff. to max in group)2070(0.0%)1973(-4.7%)
CPU Mark(% diff. to max in group)10429(-16.7%)12519(0.0%)

CPU Mark Rating
As of 25th of April 2025 - Higher results represent better performance
Intel Xeon E5-2643 v3 @ 3.40GHz
10,429
Intel Xeon E5-1660 v3 @ 3.00GHz
12,519
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 25th of April 2025 - Higher results represent better value
Intel Xeon E5-2643 v3 @ 3.40GHz
45.4
Intel Xeon E5-1660 v3 @ 3.00GHz
62.9
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 25th of April 2025 - Higher results represent better performance
Intel Xeon E5-2643 v3 @ 3.40GHz
2,070
Intel Xeon E5-1660 v3 @ 3.00GHz
1,973
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 E5-2643 v3 @ 3.40GHz Intel Xeon E5-1660 v3 @ 3.00GHz
Max TDP135W140W
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.