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Intel Xeon E5649 vs Xeon X5679

The Intel Xeon X5679 @ 3.20GHz is newer than Intel Xeon E5649 @ 2.53GHz also around 20% faster in multi-threaded (CPU Mark) testing, it is around 14% faster in single-thread testing. However, Intel Xeon X5679 @ 3.20GHz 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 47 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 E5649 @ 2.53GHz×Intel Xeon X5679 @ 3.20GHz+ ADD
Price Search Online Search Online
Socket TypeLGA1366LGA1366
CPU ClassServerServer
Clockspeed2.5 GHz3.2 GHz
Turbo SpeedUp to 2.9 GHzUp to 3.6 GHz
# of Physical Cores6 (Threads: 12)6 (Threads: 12)
CacheL1: 384KB, L2: 1.5MB, L3: 12MBL1: 512KB, L2: 2.0MB, L3: 12MB
TDP80W115W
Yearly Running Cost$14.60$20.99
Other
First Seen on ChartQ3 2011Q4 2011
# of Samples407
CPU Value440.80.0
Single Thread Rating(% diff. to max in group)1327(-14.2%)1547(0.0%)
CPU Mark(% diff. to max in group)5686(-19.9%)7095(0.0%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 30th of October 2024 - Higher results represent better performance
Intel Xeon E5649 @ 2.53GHz
5,686
Intel Xeon X5679 @ 3.20GHz
7,095
PassMark Software © 2008-2024
CPU Value (CPU Mark / $Price)
As of 30th of October 2024 - Higher results represent better value
Intel Xeon E5649 @ 2.53GHz
440.8
Intel Xeon X5679 @ 3.20GHz
NA
PassMark Software © 2008-2024
CPU Single Thread Rating
As of 30th of October 2024 - Higher results represent better performance
Intel Xeon E5649 @ 2.53GHz
1,327
Intel Xeon X5679 @ 3.20GHz
1,547
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 E5649 @ 2.53GHz Intel Xeon X5679 @ 3.20GHz
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.