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CPU Benchmarks

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Intel Xeon X5355 vs Xeon E3-1220

The Intel Xeon E3-1220 @ 3.10GHz is newer than Intel Xeon X5355 @ 2.66GHz also around 48% faster in multi-threaded (CPU Mark) testing, it is around 33% faster in single-thread testing. However, Intel Xeon X5355 @ 2.66GHz uses around 40% more power. All the CPUs in this comparison belong in the Server CPU Class.The values below were tabulated from a combined 309 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 E3-1220 @ 3.10GHz+ ADD
Price Search Online $375 - BUY
Socket TypeLGA771LGA1155
CPU ClassServerServer
Clockspeed2.7 GHz3.1 GHz
Turbo SpeedNot SupportedUp to 3.4 GHz
# of Physical Cores4 (Threads: 4)4 (Threads: 4)
CacheL1: 256KB, L2: 8.0MB, L3: 0MBL1: 256KB, L2: 1.0MB, L3: 8MB
TDP120W80W
Yearly Running Cost$21.90$14.60
Other
First Seen on ChartQ1 2009Q3 2011
# of Samples53256
CPU Value6.810.4
Single Thread Rating(% diff. to max in group)1034(-32.8%)1539(0.0%)
CPU Mark(% diff. to max in group)2033(-47.8%)3895(0.0%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 6th of April 2025 - Higher results represent better performance
Intel Xeon X5355 @ 2.66GHz
2,033
Intel Xeon E3-1220 @ 3.10GHz
3,895
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 6th of April 2025 - Higher results represent better value
Intel Xeon X5355 @ 2.66GHz
6.8
Intel Xeon E3-1220 @ 3.10GHz
10.4
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 6th of April 2025 - Higher results represent better performance
Intel Xeon X5355 @ 2.66GHz
1,034
Intel Xeon E3-1220 @ 3.10GHz
1,539
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 E3-1220 @ 3.10GHz
Max TDP120W80W
Power consumption per day (kWh)0.240.16
Running cost per day$0.060$0.040
Power consumption per year (kWh)87.658.4
Running cost per year$21.90$14.60
Shown CPU power usage is based on linear interpolation of Max TDP (i.e. max load). Actual CPU power profile may vary.