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Intel Xeon X5355 vs Xeon E3-1226 v3

The Intel Xeon E3-1226 v3 @ 3.30GHz is newer than Intel Xeon X5355 @ 2.66GHz and is significantly faster in multi-threaded (CPU Mark) testing and is significantly faster in single-thread testing. However, Intel Xeon X5355 @ 2.66GHz uses around 35% more power. All the CPUs in this comparison belong in the Server CPU Class.The values below were tabulated from a combined 267 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 X5355 @ 2.66GHz×Intel Xeon E3-1226 v3 @ 3.30GHz+ ADD
Price Search Online Search Online
Socket TypeLGA771FCLGA1150
CPU ClassServerServer
Clockspeed2.7 GHz3.3 GHz
Turbo SpeedNot SupportedUp to 3.7 GHz
# of Physical Cores4 (Threads: 4)4 (Threads: 4)
CacheL1: 256KB, L2: 8.0MB, L3: 0MBL1: 256KB, L2: 1.0MB, L3: 8MB
TDP120W84W
Yearly Running Cost$21.90$15.33
Other
First Seen on ChartQ1 2009Q3 2014
# of Samples53214
CPU Value6.88.7
Single Thread Rating(% diff. to max in group)1034(-50.9%)2106(0.0%)
CPU Mark(% diff. to max in group)2033(-63.3%)5540(0.0%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 1st of March 2025 - Higher results represent better performance
Intel Xeon X5355 @ 2.66GHz
2,033
Intel Xeon E3-1226 v3 @ 3.30GHz
5,540
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 1st of March 2025 - Higher results represent better value
Intel Xeon X5355 @ 2.66GHz
6.8
Intel Xeon E3-1226 v3 @ 3.30GHz
8.7
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 1st of March 2025 - Higher results represent better performance
Intel Xeon X5355 @ 2.66GHz
1,034
Intel Xeon E3-1226 v3 @ 3.30GHz
2,106
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 X5355 @ 2.66GHz Intel Xeon E3-1226 v3 @ 3.30GHz
Max TDP120W84W
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.