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Intel Xeon E5-2651 v2 vs Xeon E5-2643 v4

The Intel Xeon E5-2643 v4 @ 3.40GHz is newer than Intel Xeon E5-2651 v2 @ 1.80GHz also around 14% faster in multi-threaded (CPU Mark) testing, it is around 49% faster in single-thread testing. All the CPUs in this comparison belong in the Server CPU Class.The values below were tabulated from a combined 52 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 E5-2651 v2 @ 1.80GHz×Intel Xeon E5-2643 v4 @ 3.40GHz+ ADD
Price Search Online $900.99 - BUY
Socket TypeLGA 2011FCLGA2011-3
CPU ClassServerServer
Clockspeed1.8 GHz3.4 GHz
Turbo SpeedUp to 2.2 GHzUp to 3.7 GHz
# of Physical Cores12 (Threads: 24)6 (Threads: 12)
CacheL1: 768KB, L2: 3.0MB, L3: 30MBL1: 384KB, L2: 1.5MB, L3: 20MB
TDPNA2135W
Yearly Running CostNA$24.64
Other
First Seen on ChartQ2 2016Q2 2016
# of Samples1636
CPU Value34.312.4
Single Thread Rating(% diff. to max in group)1136(-49.4%)2244(0.0%)
CPU Mark(% diff. to max in group)9544(-14.5%)11159(0.0%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.
2 - Information not available. Do you know? Notify Us.

CPU Mark Rating
As of 14th of March 2025 - Higher results represent better performance
Intel Xeon E5-2651 v2 @ 1.80GHz
9,544
Intel Xeon E5-2643 v4 @ 3.40GHz
11,159
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 14th of March 2025 - Higher results represent better value
Intel Xeon E5-2651 v2 @ 1.80GHz
34.3
Intel Xeon E5-2643 v4 @ 3.40GHz
12.4
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 14th of March 2025 - Higher results represent better performance
Intel Xeon E5-2651 v2 @ 1.80GHz
1,136
Intel Xeon E5-2643 v4 @ 3.40GHz
2,244
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 E5-2651 v2 @ 1.80GHz Intel Xeon E5-2643 v4 @ 3.40GHz
Max TDPNA135W
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.