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Intel Xeon E5-2603 v3 vs Xeon W3520

The Intel Xeon E5-2603 v3 @ 1.60GHz is newer than Intel Xeon W3520 @ 2.67GHz also around 24% faster in multi-threaded (CPU Mark) testing, but Intel Xeon W3520 @ 2.67GHz is around 26% faster in single-thread testing. However, Intel Xeon W3520 @ 2.67GHz uses around 42% more power. All the CPUs in this comparison belong in the Server CPU Class.The values below were tabulated from a combined 562 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 E5-2603 v3 @ 1.60GHz×Intel Xeon W3520 @ 2.67GHz+ ADD
Price $49.77 - BUY Search Online
Socket TypeLGA2011-v3LGA1366
CPU ClassServerServer
Clockspeed1.6 GHz2.7 GHz
Turbo SpeedNot SupportedUp to 2.9 GHz
# of Physical Cores6 (Threads: 6)4 (Threads: 8)
CacheL1: 384KB, L2: 1.5MB, L3: 15MBL1: 256KB, L2: 1.0MB, L3: 8MB
TDP85W130W
Yearly Running Cost$15.51$23.73
Other
First Seen on ChartQ1 2015Q1 2009
# of Samples39523
CPU Value77.549.7
Single Thread Rating(% diff. to max in group)938(-25.9%)1266(0.0%)
CPU Mark(% diff. to max in group)3858(0.0%)2930(-24.0%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 2nd of April 2025 - Higher results represent better performance
Intel Xeon E5-2603 v3 @ 1.60GHz
3,858
Intel Xeon W3520 @ 2.67GHz
2,930
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 2nd of April 2025 - Higher results represent better value
Intel Xeon E5-2603 v3 @ 1.60GHz
77.5
Intel Xeon W3520 @ 2.67GHz
49.7
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 2nd of April 2025 - Higher results represent better performance
Intel Xeon E5-2603 v3 @ 1.60GHz
938
Intel Xeon W3520 @ 2.67GHz
1,266
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 E5-2603 v3 @ 1.60GHz Intel Xeon W3520 @ 2.67GHz
Max TDP85W130W
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.