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Intel Xeon W5580 vs Xeon E5540

The Intel Xeon E5540 @ 2.53GHz is newer than Intel Xeon W5580 @ 3.20GHz, while Intel Xeon W5580 @ 3.20GHz is around 18% faster in multi-threaded (CPU Mark) testing, it is around 20% faster in single-thread testing. However, Intel Xeon W5580 @ 3.20GHz 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 83 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 W5580 @ 3.20GHz×Intel Xeon E5540 @ 2.53GHz+ ADD
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Socket TypeLGA1366LGA1366
CPU ClassServerServer
Clockspeed3.2 GHz2.5 GHz
Turbo SpeedUp to 3.5 GHzUp to 2.8 GHz
# of Physical Cores4 (Threads: 8)4 (Threads: 8)
CacheL1: 256KB, L2: 1.0MB, L3: 8MBL1: 256KB, L2: 1.0MB, L3: 8MB
TDP130W80W
Yearly Running Cost$23.73$14.60
Other
First Seen on ChartQ1 2009Q3 2009
# of Samples3449
CPU Value5.931.3
Single Thread Rating(% diff. to max in group)1496(0.0%)1203(-19.6%)
CPU Mark(% diff. to max in group)3407(0.0%)2783(-18.3%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 20th of April 2025 - Higher results represent better performance
Intel Xeon W5580 @ 3.20GHz
3,407
Intel Xeon E5540 @ 2.53GHz
2,783
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 20th of April 2025 - Higher results represent better value
Intel Xeon W5580 @ 3.20GHz
5.9
Intel Xeon E5540 @ 2.53GHz
31.3
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 20th of April 2025 - Higher results represent better performance
Intel Xeon W5580 @ 3.20GHz
1,496
Intel Xeon E5540 @ 2.53GHz
1,203
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 W5580 @ 3.20GHz Intel Xeon E5540 @ 2.53GHz
Max TDP130W80W
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.