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CPU Benchmarks

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Intel Xeon E5-4640 vs Xeon E5649

The Intel Xeon E5-4640 @ 2.40GHz is newer than Intel Xeon E5649 @ 2.53GHz also around 19% faster in multi-threaded (CPU Mark) testing, but Intel Xeon E5649 @ 2.53GHz is around 7% faster in single-thread testing. However, Intel Xeon E5-4640 @ 2.40GHz uses around 17% more power. All the CPUs in this comparison belong in the Server CPU Class.The values below were tabulated from a combined 46 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×Intel Xeon E5649 @ 2.53GHz+ ADD
Price $13.99 - BUY Search Online
Socket TypeLGA2011LGA1366
CPU ClassServerServer
Clockspeed2.4 GHz2.5 GHz
Turbo SpeedUp to 2.8 GHzUp to 2.9 GHz
# of Physical Cores8 (Threads: 16)6 (Threads: 12)
CacheL1: 512KB, L2: 2.0MB, L1: 384KB, L2: 1.5MB, L3: 12MB
TDP95W80W
Yearly Running Cost$17.34$14.60
Other
First Seen on ChartQ3 2012Q3 2011
# of Samples640
CPU Value501.2440.8
Single Thread Rating(% diff. to max in group)1233(-7.1%)1327(0.0%)
CPU Mark(% diff. to max in group)7012(0.0%)5686(-18.9%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 27th of July 2024 - Higher results represent better performance
Intel Xeon E5-4640 @ 2.40GHz
7,012
Intel Xeon E5649 @ 2.53GHz
5,686
PassMark Software © 2008-2024
CPU Value (CPU Mark / $Price)
As of 27th of July 2024 - Higher results represent better value
Intel Xeon E5-4640 @ 2.40GHz
501.2
Intel Xeon E5649 @ 2.53GHz
440.8
PassMark Software © 2008-2024
CPU Single Thread Rating
As of 27th of July 2024 - Higher results represent better performance
Intel Xeon E5-4640 @ 2.40GHz
1,233
Intel Xeon E5649 @ 2.53GHz
1,327
PassMark Software © 2008-2024

Estimated Energy Usage Cost
Estimated Energy Adjustable Values
Average hours of use per dayAverage CPU Utilization (0-100%)1Power cost, $ per kWh2
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 @ 2.40GHzIntel Xeon E5649 @ 2.53GHz
Max TDP95W80W
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.