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Intel Xeon L5640 vs AMD Opteron 3280

The AMD Opteron 3280 is newer than Intel Xeon L5640 @ 2.27GHz, while Intel Xeon L5640 @ 2.27GHz is around 20% faster in multi-threaded (CPU Mark) testing, it is around 7% faster in single-thread testing. Both CPUs operates at simliar power levels (TDP). All the CPUs in this comparison belong in the Server CPU Class.The values below were tabulated from a combined 59 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 Xeon L5640 @ 2.27GHz×AMD Opteron 3280+ ADD
Price Search Online Search Online
Socket TypeLGA1366AM3+
CPU ClassServerServer
Clockspeed2.3 GHz2.4 GHz
Turbo SpeedUp to 2.8 GHzUp to 2.7 GHz
# of Physical Cores6 (Threads: 12)8 (in 8 physical modules)
CacheL1: 384KB, L2: 1.5MB, L3: 12MBL1: 640KB, L2: 16.0MB, L3: 8MB
TDP60W65W
Yearly Running Cost$10.95$11.86
Other
First Seen on ChartQ3 2010Q3 2012
# of Samples4613
CPU Value51.651.7
Single Thread Rating(% diff. to max in group)1117(0.0%)1036(-7.3%)
CPU Mark(% diff. to max in group)4645(0.0%)3723(-19.8%)
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 Xeon L5640 @ 2.27GHz
4,645
AMD Opteron 3280
3,723
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 6th of April 2025 - Higher results represent better value
Intel Xeon L5640 @ 2.27GHz
51.6
AMD Opteron 3280
51.7
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 6th of April 2025 - Higher results represent better performance
Intel Xeon L5640 @ 2.27GHz
1,117
AMD Opteron 3280
1,036
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 Xeon L5640 @ 2.27GHz AMD Opteron 3280
Max TDP60W65W
Power consumption per day (kWh)0.120.13
Running cost per day$0.030$0.033
Power consumption per year (kWh)43.847.5
Running cost per year$10.95$11.86
Shown CPU power usage is based on linear interpolation of Max TDP (i.e. max load). Actual CPU power profile may vary.