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Intel Xeon E5603 vs Xeon E3-1225 V2

The Intel Xeon E3-1225 V2 @ 3.20GHz is newer than Intel Xeon E5603 @ 1.60GHz and is significantly faster in multi-threaded (CPU Mark) testing. It is also significantly 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 334 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 E3-1225 V2 @ 3.20GHz+ ADD
Price Search Online Search Online
Socket TypeLGA1366LGA1155
CPU ClassServerServer
Clockspeed1.6 GHz3.2 GHz
Turbo SpeedNot SupportedUp to 3.6 GHz
# of Physical Cores4 (Threads: 4)4 (Threads: 4)
CacheL1: 512KB, L2: 2.0MB, L1: 256KB, L2: 1.0MB, L3: 8MB
TDP80W77W
Yearly Running Cost$14.60$14.05
Other
First Seen on ChartQ2 2011Q3 2012
# of Samples20314
CPU Rank36082409
CPU Value21.722.4
Single Thread Rating(% diff. to max in group)712(-63.1%)1928(0.0%)
CPU Mark(% diff. to max in group)1935(-58.9%)4708(0.0%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 25th of January 2026 - Higher results represent better performance
Intel Xeon E5603 @ 1.60GHz
1,935
Intel Xeon E3-1225 V2 @ 3.20GHz
4,708
PassMark Software © 2008-2026
CPU Value (CPU Mark / $Price)
As of 25th of January 2026 - Higher results represent better value
Intel Xeon E5603 @ 1.60GHz
21.7
Intel Xeon E3-1225 V2 @ 3.20GHz
22.4
PassMark Software © 2008-2026
CPU Single Thread Rating
As of 25th of January 2026 - Higher results represent better performance
Intel Xeon E5603 @ 1.60GHz
712
Intel Xeon E3-1225 V2 @ 3.20GHz
1,928
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 E5603 @ 1.60GHz Intel Xeon E3-1225 V2 @ 3.20GHz
Max TDP80W77W
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.