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Intel Xeon E5440 vs Xeon X3370

The Intel Xeon X3370 @ 3.00GHz is newer than Intel Xeon E5440 @ 2.83GHz however both CPUs have comparable multi-threaded (CPU Mark) and single-thread rating. Also, Intel Xeon X3370 @ 3.00GHz uses around 17% more power. All the CPUs in this comparison belong in the Server CPU Class. The values below were tabulated from a combined 584 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 E5440 @ 2.83GHz×Intel Xeon X3370 @ 3.00GHz+ ADD
Price Search Online Search Online
Socket TypeLGA771LGA775
CPU ClassServerServer
Clockspeed2.8 GHz3.0 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores4 (Threads: 4)4 (Threads: 4)
CacheL1: 256KB, L2: 12.0MB, L3: 0MBL1: 256KB, L2: 12.0MB, L3: 0MB
TDP80W95W
Yearly Running Cost$14.60$17.34
Other
First Seen on ChartQ1 2009Q2 2009
# of Samples52658
CPU Value62.862.6
Single Thread Rating(% diff. to max in group)1229(-2.6%)1262(0.0%)
CPU Mark(% diff. to max in group)2386(-4.8%)2505(0.0%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 23rd of April 2025 - Higher results represent better performance
Intel Xeon E5440 @ 2.83GHz
2,386
Intel Xeon X3370 @ 3.00GHz
2,505
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 23rd of April 2025 - Higher results represent better value
Intel Xeon E5440 @ 2.83GHz
62.8
Intel Xeon X3370 @ 3.00GHz
62.6
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 23rd of April 2025 - Higher results represent better performance
Intel Xeon E5440 @ 2.83GHz
1,229
Intel Xeon X3370 @ 3.00GHz
1,262
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 E5440 @ 2.83GHz Intel Xeon X3370 @ 3.00GHz
Max TDP80W95W
Power consumption per day (kWh)0.160.19
Running cost per day$0.040$0.048
Power consumption per year (kWh)58.469.3
Running cost per year$14.60$17.34
Shown CPU power usage is based on linear interpolation of Max TDP (i.e. max load). Actual CPU power profile may vary.