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Intel Atom C3538 vs Xeon X3350

The Intel Atom C3538 @ 2.10GHz is newer than Intel Xeon X3350 @ 2.66GHz, while Intel Xeon X3350 @ 2.66GHz is around 17% faster in multi-threaded (CPU Mark) testing, it is around 36% faster in single-thread testing. However, Intel Atom C3538 @ 2.10GHz uses substantially less power. All the CPUs in this comparison belong in the Server CPU Class.The values below were tabulated from a combined 26 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 C3538 @ 2.10GHz×Intel Xeon X3350 @ 2.66GHz+ ADD
Price Search Online Search Online
Socket TypeFCBGA1310LGA775
CPU ClassServerServer
Clockspeed2.1 GHz2.7 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores4 (Threads: 4)4 (Threads: 4)
CacheL1: 112KB, L2: 4.0MB, L3: 0MBL1: 256KB, L2: 12.0MB, L3: 0MB
TDP15W95W
Yearly Running Cost$2.74$17.34
Other
First Seen on ChartQ2 2018Q4 2008
# of Samples422
CPU Value25.237.7
Single Thread Rating(% diff. to max in group)744(-35.8%)1158(0.0%)
CPU Mark(% diff. to max in group)1889(-16.6%)2263(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 Atom C3538 @ 2.10GHz
1,889
Intel Xeon X3350 @ 2.66GHz
2,263
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 6th of April 2025 - Higher results represent better value
Intel Atom C3538 @ 2.10GHz
25.2
Intel Xeon X3350 @ 2.66GHz
37.7
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 6th of April 2025 - Higher results represent better performance
Intel Atom C3538 @ 2.10GHz
744
Intel Xeon X3350 @ 2.66GHz
1,158
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 Atom C3538 @ 2.10GHz Intel Xeon X3350 @ 2.66GHz
Max TDP15W95W
Power consumption per day (kWh)0.030.19
Running cost per day$0.007$0.048
Power consumption per year (kWh)10.969.3
Running cost per year$2.74$17.34
Shown CPU power usage is based on linear interpolation of Max TDP (i.e. max load). Actual CPU power profile may vary.