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Intel Xeon E3-1240 vs Xeon X5677

The Intel Xeon E3-1240 @ 3.30GHz is newer than Intel Xeon X5677 @ 3.47GHz also around 7% faster in multi-threaded (CPU Mark) testing, it is around 6% faster in single-thread testing. However, Intel Xeon X5677 @ 3.47GHz uses around 48% more power. All the CPUs in this comparison belong in the Server CPU Class.The values below were tabulated from a combined 321 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 E3-1240 @ 3.30GHz×Intel Xeon X5677 @ 3.47GHz+ ADD
Price Search Online Search Online
Socket TypeLGA1155LGA1366
CPU ClassServerServer
Clockspeed3.3 GHz3.5 GHz
Turbo SpeedUp to 3.7 GHzUp to 3.7 GHz
# of Physical Cores4 (Threads: 8)4 (Threads: 8)
CacheL1: 256KB, L2: 1.0MB, L3: 8MBL1: 256KB, L2: 1.0MB, L3: 12MB
TDP80W130W
Yearly Running Cost$14.60$23.73
Other
First Seen on ChartQ2 2011Q1 2010
# of Samples23784
CPU Value41.045.9
Single Thread Rating(% diff. to max in group)1724(0.0%)1617(-6.2%)
CPU Mark(% diff. to max in group)5417(0.0%)5053(-6.7%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 1st of March 2025 - Higher results represent better performance
Intel Xeon E3-1240 @ 3.30GHz
5,417
Intel Xeon X5677 @ 3.47GHz
5,053
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 1st of March 2025 - Higher results represent better value
Intel Xeon E3-1240 @ 3.30GHz
41.0
Intel Xeon X5677 @ 3.47GHz
45.9
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 1st of March 2025 - Higher results represent better performance
Intel Xeon E3-1240 @ 3.30GHz
1,724
Intel Xeon X5677 @ 3.47GHz
1,617
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 E3-1240 @ 3.30GHz Intel Xeon X5677 @ 3.47GHz
Max TDP80W130W
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.