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CPU Benchmarks

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Intel Xeon E5-2603 vs Xeon L5420

The Intel Xeon E5-2603 @ 1.80GHz is newer than Intel Xeon L5420 @ 2.50GHz also around 8% faster in multi-threaded (CPU Mark) testing, but Intel Xeon L5420 @ 2.50GHz is around 21% faster in single-thread testing. However, Intel Xeon E5-2603 @ 1.80GHz uses around 46% more power. All the CPUs in this comparison belong in the Server CPU Class.The values below were tabulated from a combined 260 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 E5-2603 @ 1.80GHz×Intel Xeon L5420 @ 2.50GHz+ ADD
Price $404.4 - BUY Search Online
Socket TypeLGA 2011LGA771
CPU ClassServerServer
Clockspeed1.8 GHz2.5 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores4 (Threads: 4)4 (Threads: 4)
CacheL1: 256KB, L2: 1.0MB, L3: 10MBL1: 256KB, L2: 12.0MB, L3: 0MB
TDP80W50W
Yearly Running Cost$14.60$9.13
Other
First Seen on ChartQ1 2012Q1 2009
# of Samples36224
CPU Value5.777.9
Single Thread Rating(% diff. to max in group)871(-20.8%)1100(0.0%)
CPU Mark(% diff. to max in group)2319(0.0%)2143(-7.6%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 14th of March 2025 - Higher results represent better performance
Intel Xeon E5-2603 @ 1.80GHz
2,319
Intel Xeon L5420 @ 2.50GHz
2,143
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 14th of March 2025 - Higher results represent better value
Intel Xeon E5-2603 @ 1.80GHz
5.7
Intel Xeon L5420 @ 2.50GHz
77.9
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 14th of March 2025 - Higher results represent better performance
Intel Xeon E5-2603 @ 1.80GHz
871
Intel Xeon L5420 @ 2.50GHz
1,100
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 E5-2603 @ 1.80GHz Intel Xeon L5420 @ 2.50GHz
Max TDP80W50W
Power consumption per day (kWh)0.160.10
Running cost per day$0.040$0.025
Power consumption per year (kWh)58.436.5
Running cost per year$14.60$9.13
Shown CPU power usage is based on linear interpolation of Max TDP (i.e. max load). Actual CPU power profile may vary.