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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel Xeon W3520 vs Xeon W3540 vs Xeon W3580

All the CPUs in this comparison belong in the Server CPU Class.The values below were tabulated from a combined 699 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 W3520 @ 2.67GHz×Intel Xeon W3540 @ 2.93GHz×Intel Xeon W3580 @ 3.33GHz+ ADD
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Socket TypeLGA1366LGA1366LGA1366
CPU ClassServerServerServer
Clockspeed2.7 GHz2.9 GHz3.3 GHz
Turbo SpeedUp to 2.9 GHzUp to 3.2 GHzUp to 3.6 GHz
# of Physical Cores4 (Threads: 8)4 (Threads: 8)4 (Threads: 8)
CacheL1: 256KB, L2: 1.0MB, L3: 8MBL1: 256KB, L2: 1.0MB, L3: 8MBL1: 256KB, L2: 1.0MB, L3: 8MB
TDP130W130W130W
Yearly Running Cost$23.73$23.73$23.73
Other
First Seen on ChartQ1 2009Q2 2009Q4 2009
# of Samples5249085
CPU Value49.720.917.0
Single Thread Rating(% diff. to max in group)1266(-18.6%)1297(-16.7%)1556(0.0%)
CPU Mark(% diff. to max in group)2932(-19.4%)3109(-14.5%)3638(0.0%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 16th of April 2025 - Higher results represent better performance
Intel Xeon W3520 @ 2.67GHz
2,932
Intel Xeon W3540 @ 2.93GHz
3,109
Intel Xeon W3580 @ 3.33GHz
3,638
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 16th of April 2025 - Higher results represent better value
Intel Xeon W3520 @ 2.67GHz
49.7
Intel Xeon W3540 @ 2.93GHz
20.9
Intel Xeon W3580 @ 3.33GHz
17.0
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 16th of April 2025 - Higher results represent better performance
Intel Xeon W3520 @ 2.67GHz
1,266
Intel Xeon W3540 @ 2.93GHz
1,297
Intel Xeon W3580 @ 3.33GHz
1,556
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 W3520 @ 2.67GHz Intel Xeon W3540 @ 2.93GHz Intel Xeon W3580 @ 3.33GHz
Max TDP130W130W130W
Power consumption per day (kWh)NANANA
Running cost per dayNANANA
Power consumption per year (kWh)NANANA
Running cost per yearNANANA
Shown CPU power usage is based on linear interpolation of Max TDP (i.e. max load). Actual CPU power profile may vary.