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Intel Xeon E5-2643 v2 vs Xeon E-2456

The Intel Xeon E-2456 is newer than Intel Xeon E5-2643 v2 @ 3.50GHz and is significantly faster in multi-threaded (CPU Mark) testing. It is also significantly faster in single-thread testing. Also, Intel Xeon E5-2643 v2 @ 3.50GHz uses around 48% more power. All the CPUs in this comparison belong in the Server CPU Class. The values below were tabulated from a combined 63 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 v2 @ 3.50GHz×Intel Xeon E-2456+ ADD
Price Search Online Search Online
Socket TypeFCLGA2011FCLGA1700
CPU ClassServerServer
Clockspeed3.5 GHz3.3 GHz
Turbo SpeedUp to 3.8 GHzUp to 5.1 GHz
# of Physical Cores6 (Threads: 12)6 (Threads: 12)
CacheL1: 384KB, L2: 1.5MB, L3: 25MBNA2
TDP130W80W
Yearly Running Cost$23.73$14.60
Other
First Seen on ChartQ3 2013Q1 2024
# of Samples4518
CPU Value46.254.7
Single Thread Rating(% diff. to max in group)1894(-46.7%)3552(0.0%)
CPU Mark(% diff. to max in group)9184(-55.2%)20507(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 23rd of April 2025 - Higher results represent better performance
Intel Xeon E5-2643 v2 @ 3.50GHz
9,184
Intel Xeon E-2456
20,507
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 23rd of April 2025 - Higher results represent better value
Intel Xeon E5-2643 v2 @ 3.50GHz
46.2
Intel Xeon E-2456
54.7
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 23rd of April 2025 - Higher results represent better performance
Intel Xeon E5-2643 v2 @ 3.50GHz
1,894
Intel Xeon E-2456
3,552
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 v2 @ 3.50GHz Intel Xeon E-2456
Max TDP130W80W
Power consumption per day (kWh)0.260.16
Running cost per day$0.065$0.040
Power consumption per year (kWh)94.958.4
Running cost per year$23.73$14.60
Shown CPU power usage is based on linear interpolation of Max TDP (i.e. max load). Actual CPU power profile may vary.