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Intel Xeon E5-4640 vs AMD Opteron 6344

The AMD Opteron 6344 is newer than Intel Xeon E5-4640 @ 2.40GHz, while Intel Xeon E5-4640 @ 2.40GHz is around 13% faster in multi-threaded (CPU Mark) testing but the CPUs have comparable single-thread rating. However, AMD Opteron 6344 uses around 19% more power. All the CPUs in this comparison belong in the Server CPU Class.The values below were tabulated from a combined 7 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 E5-4640 @ 2.40GHz×AMD Opteron 6344+ ADD
Price Search Online $54 - BUY
Socket TypeLGA2011NA2
CPU ClassServerServer
Clockspeed2.4 GHz2.6 GHz
Turbo SpeedUp to 2.8 GHzUp to 3.2 GHz
# of Physical Cores8 (Threads: 16)12 (in 6 physical modules)
CacheL1: 512KB, L2: 2.0MB, L1: 960KB, L2: 24.0MB, L3: 12MB
TDP95W115W
Yearly Running Cost$17.34$20.99
Other
First Seen on ChartQ3 2012Q3 2013
# of Samples61
CPU Value501.2112.4
Single Thread Rating(% diff. to max in group)1233(0.0%)1231(-0.1%)
CPU Mark(% diff. to max in group)7012(0.0%)6069(-13.5%)
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 9th of January 2025 - Higher results represent better performance
Intel Xeon E5-4640 @ 2.40GHz
7,012
AMD Opteron 6344
6,069
CPU Value (CPU Mark / $Price)
As of 9th of January 2025 - Higher results represent better value
Intel Xeon E5-4640 @ 2.40GHz
501.2
AMD Opteron 6344
112.4
CPU Single Thread Rating
As of 9th of January 2025 - Higher results represent better performance
Intel Xeon E5-4640 @ 2.40GHz
1,233
AMD Opteron 6344
1,231
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 E5-4640 @ 2.40GHz AMD Opteron 6344
Max TDP95W115W
Power consumption per day (kWh)0.190.23
Running cost per day$0.048$0.058
Power consumption per year (kWh)69.384.0
Running cost per year$17.34$20.99
Shown CPU power usage is based on linear interpolation of Max TDP (i.e. max load). Actual CPU power profile may vary.