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Intel Atom C3958 vs Xeon E-2278G

The Intel Xeon E-2278G @ 3.40GHz is newer than Intel Atom C3958 @ 2.00GHz and is significantly faster in multi-threaded (CPU Mark) testing. It is also significantly faster in single-thread testing. Also, Intel Atom C3958 @ 2.00GHz uses substantially less power. All the CPUs in this comparison belong in the Server CPU Class. The values below were tabulated from a combined 30 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 C3958 @ 2.00GHz×Intel Xeon E-2278G @ 3.40GHz+ ADD
Price Search Online Search Online
Socket TypeFCBGA1310FCLGA1151-2
CPU ClassServerServer
Clockspeed2.0 GHz3.4 GHz
Turbo SpeedNot SupportedUp to 5.0 GHz
# of Physical Cores16 (Threads: 16)8 (Threads: 16)
CacheL1: 896KB, L2: 8.0MB, L3: 0MBL1: 256KB, L2: 1.0MB, L3: 16MB
TDP31W80W
Yearly Running Cost$5.66$14.60
OtherIntel UHD Graphics P630
First Seen on ChartQ3 2019Q4 2019
# of Samples624
CPU Rank26511122
CPU Value8.834.2
Single Thread Rating(% diff. to max in group)737(-74.5%)2890(0.0%)
CPU Mark(% diff. to max in group)3929(-76.8%)16913(0.0%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 5th of March 2026 - Higher results represent better performance
Intel Atom C3958 @ 2.00GHz
3,929
Intel Xeon E-2278G @ 3.40GHz
16,913
PassMark Software © 2008-2026
CPU Value (CPU Mark / $Price)
As of 5th of March 2026 - Higher results represent better value
Intel Atom C3958 @ 2.00GHz
8.8
Intel Xeon E-2278G @ 3.40GHz
34.2
PassMark Software © 2008-2026
CPU Single Thread Rating
As of 5th of March 2026 - Higher results represent better performance
Intel Atom C3958 @ 2.00GHz
737
Intel Xeon E-2278G @ 3.40GHz
2,890
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 C3958 @ 2.00GHz Intel Xeon E-2278G @ 3.40GHz
Max TDP31W80W
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.