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Intel Xeon X3450 vs Xeon E5450

The Intel Xeon X3450 @ 2.67GHz is newer than Intel Xeon E5450 @ 3.00GHz and is around 11% faster in multi-threaded (CPU Mark) testing. However the CPUs have comparable single-thread rating. Also, 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 1497 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 E5450 @ 3.00GHz+ ADD
Price Search Online Search Online
Socket TypeLGA1156LGA771
CPU ClassServerServer
Clockspeed2.7 GHz3.0 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 2009Q2 2009
# of Samples1761321
CPU Value73.669.6
Single Thread Rating(% diff. to max in group)1222(-4.9%)1284(0.0%)
CPU Mark(% diff. to max in group)2869(0.0%)2576(-10.2%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 26th of April 2025 - Higher results represent better performance
Intel Xeon X3450 @ 2.67GHz
2,869
Intel Xeon E5450 @ 3.00GHz
2,576
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 26th of April 2025 - Higher results represent better value
Intel Xeon X3450 @ 2.67GHz
73.6
Intel Xeon E5450 @ 3.00GHz
69.6
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 26th of April 2025 - Higher results represent better performance
Intel Xeon X3450 @ 2.67GHz
1,222
Intel Xeon E5450 @ 3.00GHz
1,284
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 X3450 @ 2.67GHz Intel Xeon E5450 @ 3.00GHz
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.