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Intel Xeon X5550 vs Xeon E5520

The Intel Xeon X5550 @ 2.67GHz is newer than Intel Xeon E5520 @ 2.27GHz also around 16% faster in multi-threaded (CPU Mark) testing, it is around 17% faster in single-thread testing. However, Intel Xeon X5550 @ 2.67GHz uses around 17% more power. All the CPUs in this comparison belong in the Server CPU Class.The values below were tabulated from a combined 295 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 X5550 @ 2.67GHz×Intel Xeon E5520 @ 2.27GHz+ ADD
Price Search Online $31.2 - BUY
Socket TypeLGA1366LGA1366
CPU ClassServerServer
Clockspeed2.7 GHz2.3 GHz
Turbo SpeedUp to 3.1 GHzUp to 2.5 GHz
# of Physical Cores4 (Threads: 8)4 (Threads: 8)
CacheL1: 256KB, L2: 1.0MB, L3: 8MBL1: 256KB, L2: 1.0MB, L3: 8MB
TDP95W80W
Yearly Running Cost$17.34$14.60
Other
First Seen on ChartQ2 2009Q1 2009
# of Samples105190
CPU Value30.981.2
Single Thread Rating(% diff. to max in group)1270(0.0%)1056(-16.8%)
CPU Mark(% diff. to max in group)3027(0.0%)2533(-16.3%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 18th of January 2025 - Higher results represent better performance
Intel Xeon X5550 @ 2.67GHz
3,027
Intel Xeon E5520 @ 2.27GHz
2,533
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 18th of January 2025 - Higher results represent better value
Intel Xeon X5550 @ 2.67GHz
30.9
Intel Xeon E5520 @ 2.27GHz
81.2
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 18th of January 2025 - Higher results represent better performance
Intel Xeon X5550 @ 2.67GHz
1,270
Intel Xeon E5520 @ 2.27GHz
1,056
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 X5550 @ 2.67GHz Intel Xeon E5520 @ 2.27GHz
Max TDP95W80W
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.