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Intel Atom C3758R vs Xeon X5687

The Intel Atom C3758R @ 2.40GHz is newer than Intel Xeon X5687 @ 3.60GHz however both CPUs have comparable multi-threaded (CPU Mark) and single-thread rating. Also, Intel Atom C3758R @ 2.40GHz uses substantially less power. All the CPUs in this comparison belong in the Server CPU Class. The values below were tabulated from a combined 146 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 C3758R @ 2.40GHz×Intel Xeon X5687 @ 3.60GHz+ ADD
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Socket TypeFCBGA1310LGA1366
CPU ClassServerServer
Clockspeed2.4 GHz3.6 GHz
Turbo SpeedNot SupportedUp to 3.9 GHz
# of Physical Cores8 (Threads: 8)4 (Threads: 8)
CacheNA2L1: 256KB, L2: 1.0MB, L3: 12MB
TDP26W130W
Yearly Running Cost$4.75$23.73
Other
First Seen on ChartQ1 2024Q2 2011
# of Samples3143
CPU Value22.828.3
Single Thread Rating(% diff. to max in group)955(-41.7%)1639(0.0%)
CPU Mark(% diff. to max in group)5100(-5.0%)5367(0.0%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.
2 - Information not available. Do you know? Notify Us.

CPU Mark Rating
As of 15th of November 2025 - Higher results represent better performance
Intel Atom C3758R @ 2.40GHz
5,100
Intel Xeon X5687 @ 3.60GHz
5,367
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 15th of November 2025 - Higher results represent better value
Intel Atom C3758R @ 2.40GHz
22.8
Intel Xeon X5687 @ 3.60GHz
28.3
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 15th of November 2025 - Higher results represent better performance
Intel Atom C3758R @ 2.40GHz
955
Intel Xeon X5687 @ 3.60GHz
1,639
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 C3758R @ 2.40GHz Intel Xeon X5687 @ 3.60GHz
Max TDP26W130W
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.