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Intel Xeon E5240 vs Xeon E3120

The Intel Xeon E3120 @ 3.16GHz is newer than Intel Xeon E5240 @ 3.00GHz however both CPUs have comparable multi-threaded (CPU Mark) and single-thread rating. Both CPUs operates at simliar power levels (TDP). All the CPUs in this comparison belong in the Server CPU Class. The values below were tabulated from a combined 13 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 E5240 @ 3.00GHz×Intel Xeon E3120 @ 3.16GHz+ ADD
Price Search Online Search Online
Socket TypeLGA771LGA775
CPU ClassServerServer
Clockspeed3.0 GHz3.2 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores2 (Threads: 2)2 (Threads: 2)
CacheL1: 128KB, L2: 6.0MB, L3: 0MBL1: 128KB, L2: 6.0MB, L3: 0MB
TDP65W65W
Yearly Running Cost$11.86$11.86
Other
First Seen on ChartQ4 2009Q1 2010
# of Samples310
CPU Rank40184057
CPU Value16.30.0
Single Thread Rating(% diff. to max in group)1312(-4.2%)1370(0.0%)
CPU Mark(% diff. to max in group)1448(0.0%)1408(-2.8%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 14th of February 2026 - Higher results represent better performance
Intel Xeon E5240 @ 3.00GHz
1,448
Intel Xeon E3120 @ 3.16GHz
1,408
PassMark Software © 2008-2026
CPU Value (CPU Mark / $Price)
As of 14th of February 2026 - Higher results represent better value
Intel Xeon E5240 @ 3.00GHz
16.3
Intel Xeon E3120 @ 3.16GHz
NA
PassMark Software © 2008-2026
CPU Single Thread Rating
As of 14th of February 2026 - Higher results represent better performance
Intel Xeon E5240 @ 3.00GHz
1,312
Intel Xeon E3120 @ 3.16GHz
1,370
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 E5240 @ 3.00GHz Intel Xeon E3120 @ 3.16GHz
Max TDP65W65W
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.