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Intel Xeon E5-2637 v2 vs Xeon E5-2643 v2

The Intel Xeon E5-2637 v2 @ 3.50GHz is newer than Intel Xeon E5-2643 v2 @ 3.50GHz, while Intel Xeon E5-2643 v2 @ 3.50GHz is around 29% faster in multi-threaded (CPU Mark) testing but 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 99 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 E5-2637 v2 @ 3.50GHz×Intel Xeon E5-2643 v2 @ 3.50GHz+ ADD
Price $129.95 - BUY Search Online
Socket TypeLGA 2011FCLGA2011
CPU ClassServerServer
Clockspeed3.5 GHz3.5 GHz
Turbo SpeedUp to 3.8 GHzUp to 3.8 GHz
# of Physical Cores4 (Threads: 8)6 (Threads: 12)
CacheL1: 256KB, L2: 1.0MB, L3: 15MBL1: 384KB, L2: 1.5MB, L3: 25MB
TDP130W130W
Yearly Running Cost$23.73$23.73
Other
First Seen on ChartQ1 2014Q3 2013
# of Samples5445
CPU Value49.846.2
Single Thread Rating(% diff. to max in group)1919(0.0%)1894(-1.3%)
CPU Mark(% diff. to max in group)6477(-29.5%)9184(0.0%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 21st of April 2025 - Higher results represent better performance
Intel Xeon E5-2637 v2 @ 3.50GHz
6,477
Intel Xeon E5-2643 v2 @ 3.50GHz
9,184
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 21st of April 2025 - Higher results represent better value
Intel Xeon E5-2637 v2 @ 3.50GHz
49.8
Intel Xeon E5-2643 v2 @ 3.50GHz
46.2
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 21st of April 2025 - Higher results represent better performance
Intel Xeon E5-2637 v2 @ 3.50GHz
1,919
Intel Xeon E5-2643 v2 @ 3.50GHz
1,894
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 E5-2637 v2 @ 3.50GHz Intel Xeon E5-2643 v2 @ 3.50GHz
Max TDP130W130W
Power consumption per day (kWh)0.260.26
Running cost per day$0.065$0.065
Power consumption per year (kWh)94.994.9
Running cost per year$23.73$23.73
Shown CPU power usage is based on linear interpolation of Max TDP (i.e. max load). Actual CPU power profile may vary.