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Intel Atom C2750 vs Xeon E5450

The Intel Atom C2750 @ 2.41GHz is newer than Intel Xeon E5450 @ 3.00GHz and is around -16% slower in multi-threaded (CPU Mark) testing. However, it is significantly slower in single-thread testing. Also, Intel Atom C2750 @ 2.41GHz uses substantially less power. All the CPUs in this comparison belong in the Server CPU Class. The values below were tabulated from a combined 1353 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 Atom C2750 @ 2.41GHz×Intel Xeon E5450 @ 3.00GHz+ ADD
Price Search Online Search Online
Socket TypeBGA 1283LGA771
CPU ClassServerServer
Clockspeed2.4 GHz3.0 GHz
Turbo SpeedUp to 2.6 GHzNot Supported
# of Physical Cores8 (Threads: 8)4 (Threads: 4)
CacheL1: 448KB, L2: 2.0MB, L3: 0MBL1: 256KB, L2: 12.0MB, L3: 0MB
TDP20W80W
Yearly Running Cost$3.65$14.60
Other
First Seen on ChartQ2 2015Q2 2009
# of Samples21351
CPU Rank34843218
CPU Value0.069.8
Single Thread Rating(% diff. to max in group)291(-77.4%)1287(0.0%)
CPU Mark(% diff. to max in group)2174(-15.8%)2581(0.0%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 10th of February 2026 - Higher results represent better performance
Intel Atom C2750 @ 2.41GHz
2,174
Intel Xeon E5450 @ 3.00GHz
2,581
PassMark Software © 2008-2026
CPU Value (CPU Mark / $Price)
As of 10th of February 2026 - Higher results represent better value
Intel Atom C2750 @ 2.41GHz
NA
Intel Xeon E5450 @ 3.00GHz
69.8
PassMark Software © 2008-2026
CPU Single Thread Rating
As of 10th of February 2026 - Higher results represent better performance
Intel Atom C2750 @ 2.41GHz
291
Intel Xeon E5450 @ 3.00GHz
1,287
PassMark Software © 2008-2026
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 Atom C2750 @ 2.41GHz Intel Xeon E5450 @ 3.00GHz
Max TDP20W80W
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.