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AMD Opteron 3280 vs Intel Xeon W3520

The AMD Opteron 3280 is newer than Intel Xeon W3520 @ 2.67GHz also around 21% faster in multi-threaded (CPU Mark) testing, but Intel Xeon W3520 @ 2.67GHz is around 18% faster in single-thread testing. However, AMD Opteron 3280 uses substantially less power. All the CPUs in this comparison belong in the Server CPU Class.The values below were tabulated from a combined 536 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.

×AMD Opteron 3280×Intel Xeon W3520 @ 2.67GHz+ ADD
Price Search Online Search Online
Socket TypeAM3+LGA1366
CPU ClassServerServer
Clockspeed2.4 GHz2.7 GHz
Turbo SpeedUp to 2.7 GHzUp to 2.9 GHz
# of Physical Cores8 (in 8 physical modules)4 (Threads: 8)
CacheL1: 640KB, L2: 16.0MB, L3: 8MBL1: 256KB, L2: 1.0MB, L3: 8MB
TDP65W130W
Yearly Running Cost$11.86$23.73
Other
First Seen on ChartQ3 2012Q1 2009
# of Samples13523
CPU Value51.749.7
Single Thread Rating(% diff. to max in group)1036(-18.1%)1266(0.0%)
CPU Mark(% diff. to max in group)3723(0.0%)2930(-21.3%)
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
AMD Opteron 3280
3,723
Intel Xeon W3520 @ 2.67GHz
2,930
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 6th of April 2025 - Higher results represent better value
AMD Opteron 3280
51.7
Intel Xeon W3520 @ 2.67GHz
49.7
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 6th of April 2025 - Higher results represent better performance
AMD Opteron 3280
1,036
Intel Xeon W3520 @ 2.67GHz
1,266
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.
AMD Opteron 3280 Intel Xeon W3520 @ 2.67GHz
Max TDP65W130W
Power consumption per day (kWh)0.130.26
Running cost per day$0.033$0.065
Power consumption per year (kWh)47.594.9
Running cost per year$11.86$23.73
Shown CPU power usage is based on linear interpolation of Max TDP (i.e. max load). Actual CPU power profile may vary.