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Intel Xeon L5609 vs Xeon E5-1603

The Intel Xeon E5-1603 @ 2.80GHz is newer than Intel Xeon L5609 @ 1.87GHz also around 5% faster in multi-threaded (CPU Mark) testing, it is around 13% faster in single-thread testing. However, Intel Xeon L5609 @ 1.87GHz uses substantially less power. All the CPUs in this comparison belong in the Server CPU Class.The values below were tabulated from a combined 321 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 L5609 @ 1.87GHz×Intel Xeon E5-1603 @ 2.80GHz+ ADD
Price Search Online Search Online
Socket TypeLGA1366LGA2011
CPU ClassServerServer
Clockspeed1.9 GHz2.8 GHz
Turbo SpeedUp to 1.9 GHzNot Supported
# of Physical Cores4 (Threads: 4)4 (Threads: 4)
CacheL1: 512KB, L2: 2.0MB, L3: 12MBL1: 256KB, L2: 1.0MB, L3: 10MB
TDP40W130W
Yearly Running Cost$7.30$23.73
Other
First Seen on ChartQ1 2010Q2 2012
# of Samples1320
CPU Value0.0102.5
Single Thread Rating(% diff. to max in group)1160(-13.4%)1339(0.0%)
CPU Mark(% diff. to max in group)3298(-5.0%)3472(0.0%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 15th of March 2025 - Higher results represent better performance
Intel Xeon L5609 @ 1.87GHz
3,298
Intel Xeon E5-1603 @ 2.80GHz
3,472
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 15th of March 2025 - Higher results represent better value
Intel Xeon L5609 @ 1.87GHz
NA
Intel Xeon E5-1603 @ 2.80GHz
102.5
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 15th of March 2025 - Higher results represent better performance
Intel Xeon L5609 @ 1.87GHz
1,160
Intel Xeon E5-1603 @ 2.80GHz
1,339
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 L5609 @ 1.87GHz Intel Xeon E5-1603 @ 2.80GHz
Max TDP40W130W
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.