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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel i5 E 520 vs i3-550

The Intel Core i3-550 @ 3.20GHz is newer than Intel Core i5 E 520 @ 2.40GHz is around 30% faster in single-thread testing. Also, Intel Core i5 E 520 @ 2.40GHz uses substantially less power. All the CPUs in this comparison belong in the Desktop CPU Class. The values below were tabulated from a combined 1397 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 Core i5 E 520 @ 2.40GHz×Intel Core i3-550 @ 3.20GHz+ ADD
Price Search Online $129.95 - BUY
Socket TypeBGA1288LGA1156
CPU ClassDesktopDesktop
Clockspeed2.4 GHz3.2 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores2 (Threads: 4)2 (Threads: 4)
CacheL1: 256KB, L2: 1.0MB, L1: 128KB, L2: 0.5MB, L3: 4MB
TDP35W73W
Yearly Running Cost$6.39$13.32
Other
First Seen on ChartQ1 2010Q2 2010
# of Samples11396
CPU Value0.012.6
Single Thread Rating(% diff. to max in group)1032(-23.1%)1341(0.0%)
CPU Mark(% diff. to max in group)1619(-0.7%)1631(0.0%)

CPU Mark Rating
As of 12th of November 2025 - Higher results represent better performance
Intel Core i5 E 520 @ 2.40GHz
1,619
Intel Core i3-550 @ 3.20GHz
1,631
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 12th of November 2025 - Higher results represent better value
Intel Core i5 E 520 @ 2.40GHz
NA
Intel Core i3-550 @ 3.20GHz
12.6
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 12th of November 2025 - Higher results represent better performance
Intel Core i5 E 520 @ 2.40GHz
1,032
Intel Core i3-550 @ 3.20GHz
1,341
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 Core i5 E 520 @ 2.40GHz Intel Core i3-550 @ 3.20GHz
Max TDP35W73W
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.