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Intel Xeon E3-1225 vs Xeon X3330

The Intel Xeon E3-1225 @ 3.10GHz is newer than Intel Xeon X3330 @ 2.66GHz and is significantly faster in multi-threaded (CPU Mark) testing. The Intel Xeon E3-1225 @ 3.10GHz is around 41% faster in single-thread testing. 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 393 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 @ 3.10GHz×Intel Xeon X3330 @ 2.66GHz+ ADD
Price Search Online Search Online
Socket TypeLGA1155LGA775
CPU ClassServerServer
Clockspeed3.1 GHz2.7 GHz
Turbo SpeedUp to 3.4 GHzNot Supported
# of Physical Cores4 (Threads: 4)4 (Threads: 4)
CacheL1: 256KB, L2: 1.0MB, L3: 6MBL1: 256KB, L2: 6.0MB, L3: 0MB
TDP95W95W
Yearly Running Cost$17.34$17.34
Other
First Seen on ChartQ1 2011Q2 2010
# of Samples33459
CPU Rank26683559
CPU Value19.010.0
Single Thread Rating(% diff. to max in group)1580(0.0%)1120(-29.1%)
CPU Mark(% diff. to max in group)3906(0.0%)2102(-46.2%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 14th of March 2026 - Higher results represent better performance
Intel Xeon E3-1225 @ 3.10GHz
3,906
Intel Xeon X3330 @ 2.66GHz
2,102
PassMark Software © 2008-2026
CPU Value (CPU Mark / $Price)
As of 14th of March 2026 - Higher results represent better value
Intel Xeon E3-1225 @ 3.10GHz
19.0
Intel Xeon X3330 @ 2.66GHz
10.0
PassMark Software © 2008-2026
CPU Single Thread Rating
As of 14th of March 2026 - Higher results represent better performance
Intel Xeon E3-1225 @ 3.10GHz
1,580
Intel Xeon X3330 @ 2.66GHz
1,120
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 @ 3.10GHz Intel Xeon X3330 @ 2.66GHz
Max TDP95W95W
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.