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Intel Xeon E3-1246 v3 vs AMD Opteron 6366 HE

The Intel Xeon E3-1246 v3 @ 3.50GHz is newer than AMD Opteron 6366 HE and is around 29% faster in multi-threaded (CPU Mark) testing. It is also significantly 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 489 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 E3-1246 v3 @ 3.50GHz×AMD Opteron 6366 HE+ ADD
Price Search Online Search Online
Socket TypeFCLGA1150NA2
CPU ClassServerServer
Clockspeed3.5 GHz1.8 GHz
Turbo SpeedUp to 3.9 GHzUp to 2.3 GHz
# of Physical Cores4 (Threads: 8)16 (in 8 physical modules)
CacheL1: 256KB, L2: 1.0MB, L3: 8MBL1: 1,280KB, L2: 32.0MB, L3: 12MB
TDP84W85W
Yearly Running Cost$15.33$15.51
OtherIntel HD Graphics P4600
First Seen on ChartQ2 2014Q2 2014
# of Samples4872
CPU Value9.57.3
Single Thread Rating(% diff. to max in group)2200(0.0%)1003(-54.4%)
CPU Mark(% diff. to max in group)7231(0.0%)5613(-22.4%)
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 11th of December 2025 - Higher results represent better performance
Intel Xeon E3-1246 v3 @ 3.50GHz
7,231
AMD Opteron 6366 HE
5,613
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 11th of December 2025 - Higher results represent better value
Intel Xeon E3-1246 v3 @ 3.50GHz
9.5
AMD Opteron 6366 HE
7.3
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 11th of December 2025 - Higher results represent better performance
Intel Xeon E3-1246 v3 @ 3.50GHz
2,200
AMD Opteron 6366 HE
1,003
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 E3-1246 v3 @ 3.50GHz AMD Opteron 6366 HE
Max TDP84W85W
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.