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Intel Xeon X5450 vs Xeon X5660

The Intel Xeon X5660 @ 2.80GHz is newer than Intel Xeon X5450 @ 3.00GHz and is significantly faster in multi-threaded (CPU Mark) testing, it is around 8% faster in single-thread testing. However, Intel Xeon X5450 @ 3.00GHz uses around 23% more power. All the CPUs in this comparison belong in the Server CPU Class.The values below were tabulated from a combined 810 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 X5450 @ 3.00GHz×Intel Xeon X5660 @ 2.80GHz+ ADD
Price Search Online Search Online
Socket TypeLGA771LGA1366
CPU ClassServerServer
Clockspeed3.0 GHz2.8 GHz
Turbo SpeedNot SupportedUp to 3.2 GHz
# of Physical Cores4 (Threads: 4)6 (Threads: 12)
CacheL1: 256KB, L2: 12.0MB, L3: 0MBL1: 384KB, L2: 1.5MB, L3: 12MB
TDP120W95W
Yearly Running Cost$21.90$17.34
Other
First Seen on ChartQ1 2009Q2 2010
# of Samples499311
CPU Value47.940.1
Single Thread Rating(% diff. to max in group)1257(-8.4%)1372(0.0%)
CPU Mark(% diff. to max in group)2394(-60.2%)6015(0.0%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 31st of October 2024 - Higher results represent better performance
Intel Xeon X5450 @ 3.00GHz
2,394
Intel Xeon X5660 @ 2.80GHz
6,015
PassMark Software © 2008-2024
CPU Value (CPU Mark / $Price)
As of 31st of October 2024 - Higher results represent better value
Intel Xeon X5450 @ 3.00GHz
47.9
Intel Xeon X5660 @ 2.80GHz
40.1
PassMark Software © 2008-2024
CPU Single Thread Rating
As of 31st of October 2024 - Higher results represent better performance
Intel Xeon X5450 @ 3.00GHz
1,257
Intel Xeon X5660 @ 2.80GHz
1,372
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 X5450 @ 3.00GHz Intel Xeon X5660 @ 2.80GHz
Max TDP120W95W
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.