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Intel Xeon E5335 vs Xeon E5520

The Intel Xeon E5335 @ 2.00GHz is newer than Intel Xeon E5520 @ 2.27GHz and is around -39% slower in multi-threaded (CPU Mark) testing. The Intel Xeon E5335 @ 2.00GHz is around -23% slower in single-thread testing. Both CPUs operates at simliar power levels (TDP). All the CPUs in this comparison belong in the Server CPU Class. The values below were tabulated from a combined 205 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 E5335 @ 2.00GHz×Intel Xeon E5520 @ 2.27GHz+ ADD
Price Search Online Search Online
Socket TypeLGA771LGA1366
CPU ClassServerServer
Clockspeed2.0 GHz2.3 GHz
Turbo SpeedNot SupportedUp to 2.5 GHz
# of Physical Cores4 (Threads: 4)4 (Threads: 8)
CacheL1: 256KB, L2: 8.0MB, L3: 0MBL1: 256KB, L2: 1.0MB, L3: 8MB
TDP80W80W
Yearly Running Cost$14.60$14.60
Other
First Seen on ChartQ2 2009Q1 2009
# of Samples14191
CPU Rank39643274
CPU Value87.294.1
Single Thread Rating(% diff. to max in group)817(-22.9%)1060(0.0%)
CPU Mark(% diff. to max in group)1549(-39.1%)2541(0.0%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 9th of March 2026 - Higher results represent better performance
Intel Xeon E5335 @ 2.00GHz
1,549
Intel Xeon E5520 @ 2.27GHz
2,541
PassMark Software © 2008-2026
CPU Value (CPU Mark / $Price)
As of 9th of March 2026 - Higher results represent better value
Intel Xeon E5335 @ 2.00GHz
87.2
Intel Xeon E5520 @ 2.27GHz
94.1
PassMark Software © 2008-2026
CPU Single Thread Rating
As of 9th of March 2026 - Higher results represent better performance
Intel Xeon E5335 @ 2.00GHz
817
Intel Xeon E5520 @ 2.27GHz
1,060
PassMark Software © 2008-2026
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 E5335 @ 2.00GHz Intel Xeon E5520 @ 2.27GHz
Max TDP80W80W
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.