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Intel Xeon X3350 vs Xeon X5450

The Intel Xeon X5450 @ 3.00GHz is newer than Intel Xeon X3350 @ 2.66GHz also around 6% 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 524 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 X3350 @ 2.66GHz×Intel Xeon X5450 @ 3.00GHz+ ADD
Price Search Online Search Online
Socket TypeLGA775LGA771
CPU ClassServerServer
Clockspeed2.7 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
TDP95W120W
Yearly Running Cost$17.34$21.90
Other
First Seen on ChartQ4 2008Q1 2009
# of Samples22502
CPU Value37.740.9
Single Thread Rating(% diff. to max in group)1158(-8.0%)1260(0.0%)
CPU Mark(% diff. to max in group)2263(-6.2%)2413(0.0%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 6th of April 2025 - Higher results represent better performance
Intel Xeon X3350 @ 2.66GHz
2,263
Intel Xeon X5450 @ 3.00GHz
2,413
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 6th of April 2025 - Higher results represent better value
Intel Xeon X3350 @ 2.66GHz
37.7
Intel Xeon X5450 @ 3.00GHz
40.9
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 6th of April 2025 - Higher results represent better performance
Intel Xeon X3350 @ 2.66GHz
1,158
Intel Xeon X5450 @ 3.00GHz
1,260
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 X3350 @ 2.66GHz Intel Xeon X5450 @ 3.00GHz
Max TDP95W120W
Power consumption per day (kWh)0.190.24
Running cost per day$0.048$0.060
Power consumption per year (kWh)69.387.6
Running cost per year$17.34$21.90
Shown CPU power usage is based on linear interpolation of Max TDP (i.e. max load). Actual CPU power profile may vary.