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Intel Atom C3858 vs AMD Opteron 4280

The Intel Atom C3858 @ 2.00GHz is newer than AMD Opteron 4280 however both CPUs have comparable multi-threaded (CPU Mark) and single-thread rating. Also, Intel Atom C3858 @ 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 3 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 C3858 @ 2.00GHz×AMD Opteron 4280+ ADD
Price Search Online $260.75 - BUY
Socket TypeFCBGA1310Socket C32
CPU ClassServerServer
Clockspeed2.0 GHz2.8 GHz
Turbo SpeedNot SupportedUp to 3.1 GHz
# of Physical Cores12 (Threads: 12)8 (in 4 physical modules)
CacheL1: 896KB, L2: 8.0MB, L3: 0MBL1: 640KB, L2: 16.0MB, L3: 8MB
TDP25W95W
Yearly Running Cost$4.56$17.34
Other
First Seen on ChartQ3 2018Q1 2014
# of Samples21
CPU Value14.217.3
Single Thread Rating(% diff. to max in group)652(-42.9%)1141(0.0%)
CPU Mark(% diff. to max in group)4707(0.0%)4504(-4.3%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 21st of May 2025 - Higher results represent better performance
Intel Atom C3858 @ 2.00GHz
4,707
AMD Opteron 4280
4,504
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 21st of May 2025 - Higher results represent better value
Intel Atom C3858 @ 2.00GHz
14.2
AMD Opteron 4280
17.3
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 21st of May 2025 - Higher results represent better performance
Intel Atom C3858 @ 2.00GHz
652
AMD Opteron 4280
1,141
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 C3858 @ 2.00GHz AMD Opteron 4280
Max TDP25W95W
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.