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Intel Xeon E5603 vs Xeon X3363

The Intel Xeon X3363 @ 2.83GHz is newer than Intel Xeon E5603 @ 1.60GHz also around 18% faster in multi-threaded (CPU Mark) testing, it is around 43% faster 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 160 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 E5603 @ 1.60GHz×Intel Xeon X3363 @ 2.83GHz+ ADD
Price Search Online Search Online
Socket TypeLGA1366LGA771
CPU ClassServerServer
Clockspeed1.6 GHz2.8 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores4 (Threads: 4)4 (Threads: 4)
CacheL1: 512KB, L2: 2.0MB, L1: 256KB, L2: 12.0MB, L3: 0MB
TDP80W80W
Yearly Running Cost$14.60$14.60
Other
First Seen on ChartQ2 2011Q4 2013
# of Samples20140
CPU Value21.726.9
Single Thread Rating(% diff. to max in group)712(-42.6%)1240(0.0%)
CPU Mark(% diff. to max in group)1935(-18.0%)2358(0.0%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 2nd of January 2025 - Higher results represent better performance
Intel Xeon E5603 @ 1.60GHz
1,935
Intel Xeon X3363 @ 2.83GHz
2,358
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 2nd of January 2025 - Higher results represent better value
Intel Xeon E5603 @ 1.60GHz
21.7
Intel Xeon X3363 @ 2.83GHz
26.9
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 2nd of January 2025 - Higher results represent better performance
Intel Xeon E5603 @ 1.60GHz
712
Intel Xeon X3363 @ 2.83GHz
1,240
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 E5603 @ 1.60GHz Intel Xeon X3363 @ 2.83GHz
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.