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Intel Xeon L5420 vs Xeon E5-1603

The Intel Xeon E5-1603 @ 2.80GHz is newer than Intel Xeon L5420 @ 2.50GHz also around 38% faster in multi-threaded (CPU Mark) testing, it is around 18% faster in single-thread testing. However, Intel Xeon L5420 @ 2.50GHz uses substantially less power. All the CPUs in this comparison belong in the Server CPU Class.The values below were tabulated from a combined 544 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 L5420 @ 2.50GHz×Intel Xeon E5-1603 @ 2.80GHz+ ADD
Price Search Online Search Online
Socket TypeLGA771LGA2011
CPU ClassServerServer
Clockspeed2.5 GHz2.8 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores4 (Threads: 4)4 (Threads: 4)
CacheL1: 256KB, L2: 12.0MB, L3: 0MBL1: 256KB, L2: 1.0MB, L3: 10MB
TDP50W130W
Yearly Running Cost$9.13$23.73
Other
First Seen on ChartQ1 2009Q2 2012
# of Samples224320
CPU Value77.9102.3
Single Thread Rating(% diff. to max in group)1100(-17.8%)1338(0.0%)
CPU Mark(% diff. to max in group)2143(-38.2%)3467(0.0%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 2nd of January 2025 - Higher results represent better performance
Intel Xeon L5420 @ 2.50GHz
2,143
Intel Xeon E5-1603 @ 2.80GHz
3,467
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 2nd of January 2025 - Higher results represent better value
Intel Xeon L5420 @ 2.50GHz
77.9
Intel Xeon E5-1603 @ 2.80GHz
102.3
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 2nd of January 2025 - Higher results represent better performance
Intel Xeon L5420 @ 2.50GHz
1,100
Intel Xeon E5-1603 @ 2.80GHz
1,338
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 L5420 @ 2.50GHz Intel Xeon E5-1603 @ 2.80GHz
Max TDP50W130W
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.