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Intel Xeon E5645 vs AMD Opteron 6272

The AMD Opteron 6272 is newer than Intel Xeon E5645 @ 2.40GHz, while the multi-threaded (CPU Mark) is simliar, Intel Xeon E5645 @ 2.40GHz is around 35% faster in single-thread testing. However, AMD Opteron 6272 uses around 36% more power. All the CPUs in this comparison belong in the Server CPU Class.The values below were tabulated from a combined 106 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 E5645 @ 2.40GHz×AMD Opteron 6272+ ADD
Price Search Online $129.95 - BUY
Socket TypeLGA1366G34
CPU ClassServerServer
Clockspeed2.4 GHz2.1 GHz
Turbo SpeedUp to 2.7 GHzUp to 3.0 GHz
# of Physical Cores6 (Threads: 12)16 (in 8 physical modules)
CacheL1: 384KB, L2: 1.5MB, L3: 12MBL1: 1,280KB, L2: 32.0MB, L3: 12MB
TDP80W115W
Yearly Running Cost$14.60$20.99
Other
First Seen on ChartQ2 2011Q4 2011
# of Samples1006
CPU Value36.840.3
Single Thread Rating(% diff. to max in group)1156(0.0%)753(-34.8%)
CPU Mark(% diff. to max in group)5048(-3.7%)5240(0.0%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 30th of December 2024 - Higher results represent better performance
Intel Xeon E5645 @ 2.40GHz
5,048
AMD Opteron 6272
5,240
PassMark Software © 2008-2024
CPU Value (CPU Mark / $Price)
As of 30th of December 2024 - Higher results represent better value
Intel Xeon E5645 @ 2.40GHz
36.8
AMD Opteron 6272
40.3
PassMark Software © 2008-2024
CPU Single Thread Rating
As of 30th of December 2024 - Higher results represent better performance
Intel Xeon E5645 @ 2.40GHz
1,156
AMD Opteron 6272
753
PassMark Software © 2008-2024
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 E5645 @ 2.40GHz AMD Opteron 6272
Max TDP80W115W
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.