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Intel Xeon L5430 vs Xeon X3430

The Intel Xeon L5430 @ 2.66GHz is newer than Intel Xeon X3430 @ 2.40GHz is around 11% faster in single-thread testing. Also, Intel Xeon L5430 @ 2.66GHz uses substantially less power. All the CPUs in this comparison belong in the Server CPU Class. The values below were tabulated from a combined 299 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 L5430 @ 2.66GHz×Intel Xeon X3430 @ 2.40GHz+ ADD
Price Search Online Search Online
Socket TypeLGA771LGA1156
CPU ClassServerServer
Clockspeed2.7 GHz2.4 GHz
Turbo SpeedNot SupportedUp to 2.8 GHz
# of Physical Cores4 (Threads: 4)4 (Threads: 4)
CacheL1: 256KB, L2: 12.0MB, L3: 0MBL1: 256KB, L2: 1.0MB, L3: 8MB
TDP50W95W
Yearly Running Cost$9.13$17.34
Other
First Seen on ChartQ1 2014Q4 2009
# of Samples49250
CPU Rank34023364
CPU Value10.314.1
Single Thread Rating(% diff. to max in group)1154(0.0%)1040(-9.8%)
CPU Mark(% diff. to max in group)2260(-2.7%)2323(0.0%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 25th of January 2026 - Higher results represent better performance
Intel Xeon L5430 @ 2.66GHz
2,260
Intel Xeon X3430 @ 2.40GHz
2,323
PassMark Software © 2008-2026
CPU Value (CPU Mark / $Price)
As of 25th of January 2026 - Higher results represent better value
Intel Xeon L5430 @ 2.66GHz
10.3
Intel Xeon X3430 @ 2.40GHz
14.1
PassMark Software © 2008-2026
CPU Single Thread Rating
As of 25th of January 2026 - Higher results represent better performance
Intel Xeon L5430 @ 2.66GHz
1,154
Intel Xeon X3430 @ 2.40GHz
1,040
PassMark Software © 2008-2026
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 L5430 @ 2.66GHz Intel Xeon X3430 @ 2.40GHz
Max TDP50W95W
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.