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Intel Xeon E5-2643 v3 vs Xeon E5-2620 v3

The Intel Xeon E5-2643 v3 @ 3.40GHz is newer than Intel Xeon E5-2620 v3 @ 2.40GHz also around 25% faster in multi-threaded (CPU Mark) testing, it is around 19% faster in single-thread testing. However, Intel Xeon E5-2643 v3 @ 3.40GHz uses around 45% more power. All the CPUs in this comparison belong in the Server CPU Class.The values below were tabulated from a combined 674 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 E5-2620 v3 @ 2.40GHz+ ADD
Price $229.95 - BUY $29 - BUY
Socket TypeLGA2011-v3LGA2011-v3
CPU ClassServerServer
Clockspeed3.4 GHz2.4 GHz
Turbo SpeedUp to 3.7 GHzUp to 3.2 GHz
# of Physical Cores6 (Threads: 12)6 (Threads: 12)
CacheL1: 384KB, L2: 1.5MB, L3: 20MBL1: 384KB, L2: 1.5MB, L3: 15MB
TDP135W85W
Yearly Running Cost$24.64$15.51
Other
First Seen on ChartQ1 2015Q4 2014
# of Samples49625
CPU Value45.4269.3
Single Thread Rating(% diff. to max in group)2083(0.0%)1690(-18.9%)
CPU Mark(% diff. to max in group)10446(0.0%)7809(-25.2%)

CPU Mark Rating
As of 3rd of January 2025 - Higher results represent better performance
Intel Xeon E5-2643 v3 @ 3.40GHz
10,446
Intel Xeon E5-2620 v3 @ 2.40GHz
7,809
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 3rd of January 2025 - Higher results represent better value
Intel Xeon E5-2643 v3 @ 3.40GHz
45.4
Intel Xeon E5-2620 v3 @ 2.40GHz
269.3
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 3rd of January 2025 - Higher results represent better performance
Intel Xeon E5-2643 v3 @ 3.40GHz
2,083
Intel Xeon E5-2620 v3 @ 2.40GHz
1,690
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 E5-2620 v3 @ 2.40GHz
Max TDP135W85W
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.