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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel Xeon X5677 @ 3.47GHz vs Intel Xeon E5640 @ 2.67GHz

The values for the CPUs below are determined from thousands of PerformanceTest benchmark results and are updated daily.

×Intel Xeon X5677 @ 3.47GHz×Intel Xeon E5640 @ 2.67GHz+ ADD
Price$33.991$251.361
Socket TypeLGA1366LGA1366
CPU ClassServerServer
Clockspeed3.5 GHz2.7 GHz
Turbo SpeedUp to 3.7 GHzUp to 2.9 GHz
# of Physical Cores4 (Threads: 8)4 (Threads: 8)
Max TDP130W80W
Yearly Running Cost$23.73$14.60
First Seen on ChartQ1 2010Q2 2010
# of Samples6745
Cross-Platform Rating121920
Single Thread Rating16251204
CPU Mark52264018
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 27th of September 2020 - Higher results represent better performance
Intel Xeon X5677 @ 3.47GHz
5,226
Intel Xeon E5640 @ 2.67GHz
4,018
CPU Value (CPU Mark / $Price)
As of 27th of September 2020 - Higher results represent better value
Intel Xeon X5677 @ 3.47GHz
153.75
Intel Xeon E5640 @ 2.67GHz
15.98
CPU Single Thread Rating
As of 27th of September 2020 - Higher results represent better performance
Intel Xeon X5677 @ 3.47GHz
1,625
Intel Xeon E5640 @ 2.67GHz
1,204

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 X5677 @ 3.47GHzIntel Xeon E5640 @ 2.67GHz
Max TDP130W80W
Power consumption per day (kWh)abcabc
Running cost per dayabcabc
Power consumption per year (kWh)abcabc
Running cost per yearabcabc
Shown CPU power usage is based on linear interpolation of Max TDP (i.e. max load). Actual CPU power profile may vary.