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Intel Xeon E5462 vs Xeon E3-1226 v3

The Intel Xeon E3-1226 v3 @ 3.30GHz is newer than Intel Xeon E5462 @ 2.80GHz and is significantly faster in multi-threaded (CPU Mark) testing, it is around 45% 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 297 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 E5462 @ 2.80GHz×Intel Xeon E3-1226 v3 @ 3.30GHz+ ADD
Price Search Online Search Online
Socket TypeLGA771FCLGA1150
CPU ClassServerServer
Clockspeed2.8 GHz3.3 GHz
Turbo SpeedNot SupportedUp to 3.7 GHz
# of Physical Cores4 (Threads: 4)4 (Threads: 4)
CacheL1: 256KB, L2: 12.0MB, L3: 0MBL1: 256KB, L2: 1.0MB, L3: 8MB
TDP80W84W
Yearly Running Cost$14.60$15.33
Other
First Seen on ChartQ1 2009Q3 2014
# of Samples82215
CPU Value9.98.7
Single Thread Rating(% diff. to max in group)1161(-44.8%)2105(0.0%)
CPU Mark(% diff. to max in group)2231(-59.7%)5535(0.0%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 13th of March 2025 - Higher results represent better performance
Intel Xeon E5462 @ 2.80GHz
2,231
Intel Xeon E3-1226 v3 @ 3.30GHz
5,535
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 13th of March 2025 - Higher results represent better value
Intel Xeon E5462 @ 2.80GHz
9.9
Intel Xeon E3-1226 v3 @ 3.30GHz
8.7
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 13th of March 2025 - Higher results represent better performance
Intel Xeon E5462 @ 2.80GHz
1,161
Intel Xeon E3-1226 v3 @ 3.30GHz
2,105
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 E5462 @ 2.80GHz Intel Xeon E3-1226 v3 @ 3.30GHz
Max TDP80W84W
Power consumption per day (kWh)0.160.17
Running cost per day$0.040$0.042
Power consumption per year (kWh)58.461.3
Running cost per year$14.60$15.33
Shown CPU power usage is based on linear interpolation of Max TDP (i.e. max load). Actual CPU power profile may vary.