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Intel Xeon E3-1245 v6 vs Xeon E5-2637 v4

The Intel Xeon E3-1245 v6 @ 3.70GHz is newer than Intel Xeon E5-2637 v4 @ 3.50GHz and is around 16% faster in multi-threaded (CPU Mark) testing. The Intel Xeon E3-1245 v6 @ 3.70GHz is around 8% faster in single-thread testing. Also, Intel Xeon E3-1245 v6 @ 3.70GHz uses substantially less power. All the CPUs in this comparison belong in the Server CPU Class. The values below were tabulated from a combined 161 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 E3-1245 v6 @ 3.70GHz×Intel Xeon E5-2637 v4 @ 3.50GHz+ ADD
Price Search Online $75.1 - BUY
Socket TypeFCLGA1151FCLGA2011-3
CPU ClassServerServer
Clockspeed3.7 GHz3.5 GHz
Turbo SpeedUp to 4.1 GHzUp to 3.7 GHz
# of Physical Cores4 (Threads: 8)4 (Threads: 8)
CacheL1: 256KB, L2: 1.0MB, L3: 8MBL1: 256KB, L2: 1.0MB, L3: 15MB
TDP73W135W
Yearly Running Cost$13.32$24.64
OtherIntel HD Graphics P630
First Seen on ChartQ2 2017Q2 2016
# of Samples10358
CPU Rank16981858
CPU Value73.299.4
Single Thread Rating(% diff. to max in group)2388(0.0%)2220(-7.1%)
CPU Mark(% diff. to max in group)8691(0.0%)7463(-14.1%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 18th of February 2026 - Higher results represent better performance
Intel Xeon E3-1245 v6 @ 3.70GHz
8,691
Intel Xeon E5-2637 v4 @ 3.50GHz
7,463
PassMark Software © 2008-2026
CPU Value (CPU Mark / $Price)
As of 18th of February 2026 - Higher results represent better value
Intel Xeon E3-1245 v6 @ 3.70GHz
73.2
Intel Xeon E5-2637 v4 @ 3.50GHz
99.4
PassMark Software © 2008-2026
CPU Single Thread Rating
As of 18th of February 2026 - Higher results represent better performance
Intel Xeon E3-1245 v6 @ 3.70GHz
2,388
Intel Xeon E5-2637 v4 @ 3.50GHz
2,220
PassMark Software © 2008-2026
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 E3-1245 v6 @ 3.70GHz Intel Xeon E5-2637 v4 @ 3.50GHz
Max TDP73W135W
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.