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Intel Xeon E5-1603 vs Xeon E3-1225 v3

The Intel Xeon E3-1225 v3 @ 3.20GHz is newer than Intel Xeon E5-1603 @ 2.80GHz and is significantly faster in multi-threaded (CPU Mark) testing. It is also significantly faster in single-thread testing. Also, Intel Xeon E5-1603 @ 2.80GHz uses around 43% more power. All the CPUs in this comparison belong in the Server CPU Class. The values below were tabulated from a combined 964 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 E5-1603 @ 2.80GHz×Intel Xeon E3-1225 v3 @ 3.20GHz+ ADD
Price Search Online Search Online
Socket TypeLGA2011LGA1150
CPU ClassServerServer
Clockspeed2.8 GHz3.2 GHz
Turbo SpeedNot SupportedUp to 3.6 GHz
# of Physical Cores4 (Threads: 4)4 (Threads: 4)
CacheL1: 256KB, L2: 1.0MB, L3: 10MBL1: 256KB, L2: 1.0MB, L3: 8MB
TDP130W84W
Yearly Running Cost$23.73$15.33
OtherIntel HD Graphics P4600
First Seen on ChartQ2 2012Q2 2013
# of Samples350614
CPU Rank28182330
CPU Value102.5177.1
Single Thread Rating(% diff. to max in group)1337(-33.7%)2017(0.0%)
CPU Mark(% diff. to max in group)3473(-34.6%)5312(0.0%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 14th of March 2026 - Higher results represent better performance
Intel Xeon E5-1603 @ 2.80GHz
3,473
Intel Xeon E3-1225 v3 @ 3.20GHz
5,312
PassMark Software © 2008-2026
CPU Value (CPU Mark / $Price)
As of 14th of March 2026 - Higher results represent better value
Intel Xeon E5-1603 @ 2.80GHz
102.5
Intel Xeon E3-1225 v3 @ 3.20GHz
177.1
PassMark Software © 2008-2026
CPU Single Thread Rating
As of 14th of March 2026 - Higher results represent better performance
Intel Xeon E5-1603 @ 2.80GHz
1,337
Intel Xeon E3-1225 v3 @ 3.20GHz
2,017
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 E5-1603 @ 2.80GHz Intel Xeon E3-1225 v3 @ 3.20GHz
Max TDP130W84W
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.