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Intel Xeon X3450 vs Xeon E5440

The Intel Xeon X3450 @ 2.67GHz is newer than Intel Xeon E5440 @ 2.83GHz also around 16% faster in multi-threaded (CPU Mark) testing but the CPUs have comparable single-thread rating. However, Intel Xeon X3450 @ 2.67GHz 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 694 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 X3450 @ 2.67GHz×Intel Xeon E5440 @ 2.83GHz+ ADD
Price Search Online Search Online
Socket TypeLGA1156LGA771
CPU ClassServerServer
Clockspeed2.7 GHz2.8 GHz
Turbo SpeedUp to 3.2 GHzNot Supported
# of Physical Cores4 (Threads: 8)4 (Threads: 4)
CacheL1: 256KB, L2: 1.0MB, L3: 8MBL1: 256KB, L2: 12.0MB, L3: 0MB
TDP95W80W
Yearly Running Cost$17.34$14.60
Other
First Seen on ChartQ4 2009Q1 2009
# of Samples171523
CPU Value73.362.9
Single Thread Rating(% diff. to max in group)1224(-0.4%)1228(0.0%)
CPU Mark(% diff. to max in group)2858(0.0%)2389(-16.4%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 26th of December 2024 - Higher results represent better performance
Intel Xeon X3450 @ 2.67GHz
2,858
Intel Xeon E5440 @ 2.83GHz
2,389
PassMark Software © 2008-2024
CPU Value (CPU Mark / $Price)
As of 26th of December 2024 - Higher results represent better value
Intel Xeon X3450 @ 2.67GHz
73.3
Intel Xeon E5440 @ 2.83GHz
62.9
PassMark Software © 2008-2024
CPU Single Thread Rating
As of 26th of December 2024 - Higher results represent better performance
Intel Xeon X3450 @ 2.67GHz
1,224
Intel Xeon E5440 @ 2.83GHz
1,228
PassMark Software © 2008-2024
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 X3450 @ 2.67GHz Intel Xeon E5440 @ 2.83GHz
Max TDP95W80W
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.