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Intel Xeon E3-1225 v6 vs Xeon E5-2620

The Intel Xeon E3-1225 v6 @ 3.30GHz is newer than Intel Xeon E5-2620 @ 2.00GHz and is around 9% faster in multi-threaded (CPU Mark) testing. It is also significantly faster in single-thread testing. Also, Intel Xeon E5-2620 @ 2.00GHz uses around 26% more power. All the CPUs in this comparison belong in the Server CPU Class. The values below were tabulated from a combined 410 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 E3-1225 v6 @ 3.30GHz×Intel Xeon E5-2620 @ 2.00GHz+ ADD
Price Search Online Search Online
Socket TypeFCLGA1151LGA2011
CPU ClassServerServer
Clockspeed3.3 GHz2.0 GHz
Turbo SpeedUp to 3.7 GHzUp to 2.5 GHz
# of Physical Cores4 (Threads: 4)6 (Threads: 12)
CacheL1: 256KB, L2: 1.0MB, L3: 8MBL1: 384KB, L2: 1.5MB, L3: 15MB
TDP73W95W
Yearly Running Cost$13.32$17.34
OtherIntel HD Graphics P630
First Seen on ChartQ2 2017Q2 2012
# of Samples52358
CPU Rank22032319
CPU Value57.859.2
Single Thread Rating(% diff. to max in group)2113(0.0%)1115(-47.2%)
CPU Mark(% diff. to max in group)5780(0.0%)5327(-7.8%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 6th of March 2026 - Higher results represent better performance
Intel Xeon E3-1225 v6 @ 3.30GHz
5,780
Intel Xeon E5-2620 @ 2.00GHz
5,327
PassMark Software © 2008-2026
CPU Value (CPU Mark / $Price)
As of 6th of March 2026 - Higher results represent better value
Intel Xeon E3-1225 v6 @ 3.30GHz
57.8
Intel Xeon E5-2620 @ 2.00GHz
59.2
PassMark Software © 2008-2026
CPU Single Thread Rating
As of 6th of March 2026 - Higher results represent better performance
Intel Xeon E3-1225 v6 @ 3.30GHz
2,113
Intel Xeon E5-2620 @ 2.00GHz
1,115
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 E3-1225 v6 @ 3.30GHz Intel Xeon E5-2620 @ 2.00GHz
Max TDP73W95W
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.