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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel Xeon E5520 vs Xeon L5640 vs Xeon X5670

All the CPUs in this comparison belong in the Server CPU Class.The values below were tabulated from a combined 682 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 L5640 @ 2.27GHz×Intel Xeon X5670 @ 2.93GHz+ ADD
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Socket TypeLGA1366LGA1366LGA1366
CPU ClassServerServerServer
Clockspeed2.3 GHz2.3 GHz2.9 GHz
Turbo SpeedUp to 2.5 GHzUp to 2.8 GHzUp to 3.3 GHz
# of Physical Cores4 (Threads: 8)6 (Threads: 12)6 (Threads: 12)
CacheL1: 256KB, L2: 1.0MB, L3: 8MBL1: 384KB, L2: 1.5MB, L3: 12MBL1: 384KB, L2: 1.5MB, L3: 12MB
TDP80W60W95W
Yearly Running Cost$14.60$10.95$17.34
Other
First Seen on ChartQ1 2009Q3 2010Q1 2010
# of Samples19046446
CPU Value93.951.661.4
Single Thread Rating(% diff. to max in group)1056(-24.8%)1117(-20.4%)1404(0.0%)
CPU Mark(% diff. to max in group)2533(-58.7%)4645(-24.3%)6140(0.0%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 3rd of April 2025 - Higher results represent better performance
Intel Xeon E5520 @ 2.27GHz
2,533
Intel Xeon L5640 @ 2.27GHz
4,645
Intel Xeon X5670 @ 2.93GHz
6,140
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 3rd of April 2025 - Higher results represent better value
Intel Xeon E5520 @ 2.27GHz
93.9
Intel Xeon L5640 @ 2.27GHz
51.6
Intel Xeon X5670 @ 2.93GHz
61.4
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 3rd of April 2025 - Higher results represent better performance
Intel Xeon E5520 @ 2.27GHz
1,056
Intel Xeon L5640 @ 2.27GHz
1,117
Intel Xeon X5670 @ 2.93GHz
1,404
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 E5520 @ 2.27GHz Intel Xeon L5640 @ 2.27GHz Intel Xeon X5670 @ 2.93GHz
Max TDP80W60W95W
Power consumption per day (kWh)NANANA
Running cost per dayNANANA
Power consumption per year (kWh)NANANA
Running cost per yearNANANA
Shown CPU power usage is based on linear interpolation of Max TDP (i.e. max load). Actual CPU power profile may vary.