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Intel Xeon E5-2637 v2 vs Xeon E3-1275

The Intel Xeon E5-2637 v2 @ 3.50GHz is newer than Intel Xeon E3-1275 @ 3.40GHz also around 15% faster in multi-threaded (CPU Mark) testing, it is around 7% faster in single-thread testing. However, Intel Xeon E5-2637 v2 @ 3.50GHz uses around 31% more power. All the CPUs in this comparison belong in the Server CPU Class.The values below were tabulated from a combined 187 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 E3-1275 @ 3.40GHz+ ADD
Price Search Online $160 - BUY
Socket TypeLGA 2011LGA1155
CPU ClassServerServer
Clockspeed3.5 GHz3.4 GHz
Turbo SpeedUp to 3.8 GHzUp to 3.8 GHz
# of Physical Cores4 (Threads: 8)4 (Threads: 8)
CacheL1: 256KB, L2: 1.0MB, L3: 15MBL1: 256KB, L2: 1.0MB, L3: 8MB
TDP130W95W
Yearly Running Cost$23.73$17.34
Other
First Seen on ChartQ1 2014Q2 2011
# of Samples54133
CPU Value49.834.4
Single Thread Rating(% diff. to max in group)1919(0.0%)1780(-7.2%)
CPU Mark(% diff. to max in group)6477(0.0%)5500(-15.1%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 14th of March 2025 - Higher results represent better performance
Intel Xeon E5-2637 v2 @ 3.50GHz
6,477
Intel Xeon E3-1275 @ 3.40GHz
5,500
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 14th of March 2025 - Higher results represent better value
Intel Xeon E5-2637 v2 @ 3.50GHz
49.8
Intel Xeon E3-1275 @ 3.40GHz
34.4
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 14th of March 2025 - Higher results represent better performance
Intel Xeon E5-2637 v2 @ 3.50GHz
1,919
Intel Xeon E3-1275 @ 3.40GHz
1,780
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 E3-1275 @ 3.40GHz
Max TDP130W95W
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.