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Intel Xeon E5420 vs Xeon W5580

The Intel Xeon W5580 @ 3.20GHz is newer than Intel Xeon E5420 @ 2.50GHz also around 40% faster in multi-threaded (CPU Mark) testing, it is around 29% 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 267 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 E5420 @ 2.50GHz×Intel Xeon W5580 @ 3.20GHz+ ADD
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Socket TypeLGA771LGA1366
CPU ClassServerServer
Clockspeed2.5 GHz3.2 GHz
Turbo SpeedNot SupportedUp to 3.5 GHz
# of Physical Cores4 (Threads: 4)4 (Threads: 8)
CacheL1: 256KB, L2: 12.0MB, L3: 0MBL1: 256KB, L2: 1.0MB, L3: 8MB
TDP80W130W
Yearly Running Cost$14.60$23.73
Other
First Seen on ChartQ1 2009Q1 2009
# of Samples23433
CPU Value8.15.8
Single Thread Rating(% diff. to max in group)1060(-29.3%)1499(0.0%)
CPU Mark(% diff. to max in group)2022(-40.0%)3368(0.0%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 13th of October 2024 - Higher results represent better performance
Intel Xeon E5420 @ 2.50GHz
2,022
Intel Xeon W5580 @ 3.20GHz
3,368
CPU Value (CPU Mark / $Price)
As of 13th of October 2024 - Higher results represent better value
Intel Xeon E5420 @ 2.50GHz
8.1
Intel Xeon W5580 @ 3.20GHz
5.8
CPU Single Thread Rating
As of 13th of October 2024 - Higher results represent better performance
Intel Xeon E5420 @ 2.50GHz
1,060
Intel Xeon W5580 @ 3.20GHz
1,499
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 E5420 @ 2.50GHz Intel Xeon W5580 @ 3.20GHz
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.