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Intel Xeon E5520 vs Xeon X5450

The Intel Xeon E5520 @ 2.27GHz is newer than Intel Xeon X5450 @ 3.00GHz also around 5% faster in multi-threaded (CPU Mark) testing, but Intel Xeon X5450 @ 3.00GHz is around 16% faster in single-thread testing. However, Intel Xeon X5450 @ 3.00GHz 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 692 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 E5520 @ 2.27GHz×Intel Xeon X5450 @ 3.00GHz+ ADD
Price $31.2 - BUY Search Online
Socket TypeLGA1366LGA771
CPU ClassServerServer
Clockspeed2.3 GHz3.0 GHz
Turbo SpeedUp to 2.5 GHzNot Supported
# of Physical Cores4 (Threads: 8)4 (Threads: 4)
CacheL1: 256KB, L2: 1.0MB, L3: 8MBL1: 256KB, L2: 12.0MB, L3: 0MB
TDP80W120W
Yearly Running Cost$14.60$21.90
Other
First Seen on ChartQ1 2009Q1 2009
# of Samples190502
CPU Value81.248.2
Single Thread Rating(% diff. to max in group)1056(-16.1%)1258(0.0%)
CPU Mark(% diff. to max in group)2533(0.0%)2406(-5.0%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 21st of December 2024 - Higher results represent better performance
Intel Xeon E5520 @ 2.27GHz
2,533
Intel Xeon X5450 @ 3.00GHz
2,406
PassMark Software © 2008-2024
CPU Value (CPU Mark / $Price)
As of 21st of December 2024 - Higher results represent better value
Intel Xeon E5520 @ 2.27GHz
81.2
Intel Xeon X5450 @ 3.00GHz
48.2
PassMark Software © 2008-2024
CPU Single Thread Rating
As of 21st of December 2024 - Higher results represent better performance
Intel Xeon E5520 @ 2.27GHz
1,056
Intel Xeon X5450 @ 3.00GHz
1,258
PassMark Software © 2008-2024
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 E5520 @ 2.27GHz Intel Xeon X5450 @ 3.00GHz
Max TDP80W120W
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.