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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel Core2 Duo E4400 @ 2.00GHz vs Intel Core2 Duo SL9400 @ 1.86GHz vs Intel Atom x5-Z8300 @ 1.44GHz

The values for the CPUs below are determined from thousands of PerformanceTest benchmark results and are updated daily.

  • 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 Core2 Duo E4400 @ 2.00GHz×Intel Core2 Duo SL9400 @ 1.86GHz×Intel Atom x5-Z8300 @ 1.44GHz+ ADD
Price Search Online Search Online Search Online
Socket TypeLGA775BGA956UTFCBGA592
CPU ClassDesktopLaptopLaptop, Mobile/Embedded
Clockspeed2.0 GHz1.9 GHz1.4 GHz
Turbo SpeedNot SupportedNot SupportedUp to 1.8 GHz
# of Physical Cores2 (Threads: 2)2 (Threads: 2)4 (Threads: 4)
CacheL1: 128KB, L2: 2.0MB, L3: 0MBL1: 128KB, L2: 6.0MB, L3: 0MBL1: 224KB, L2: 2.0MB, L3: 0MB
TDP65W17W4W
Yearly Running Cost$11.86$3.10$0.73
Other
First Seen on ChartQ4 2008Q1 2009Q3 2015
# of Samples451181670
CPU Value15.83.06.1
Single Thread Rating(% diff. to max in group)7713(-1.9%)7863(0.0%)455(-42.2%)
CPU Mark(% diff. to max in group)673(-17.3%)759(-6.7%)814(0.0%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.
3 - Single thread rating may be higher than the overall rating, thread performance is just one component of the CPU Mark.

CPU Mark Rating
As of 27th of April 2024 - Higher results represent better performance
Intel Core2 Duo E4400 @ 2.00GHz
673
Intel Core2 Duo SL9400 @ 1.86GHz
759
Intel Atom x5-Z8300 @ 1.44GHz
814
PassMark Software © 2008-2024
CPU Value (CPU Mark / $Price)
As of 27th of April 2024 - Higher results represent better value
Intel Core2 Duo E4400 @ 2.00GHz
15.8
Intel Core2 Duo SL9400 @ 1.86GHz
3.0
Intel Atom x5-Z8300 @ 1.44GHz
6.1
PassMark Software © 2008-2024
CPU Single Thread Rating
As of 27th of April 2024 - Higher results represent better performance
Intel Core2 Duo E4400 @ 2.00GHz
771
Intel Core2 Duo SL9400 @ 1.86GHz
786
Intel Atom x5-Z8300 @ 1.44GHz
455
PassMark Software © 2008-2024

Estimated Energy Usage Cost
Estimated Energy Adjustable Values
Average hours of use per dayAverage CPU Utilization (0-100%)1Power cost, $ per kWh2
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 Core2 Duo E4400 @ 2.00GHzIntel Core2 Duo SL9400 @ 1.86GHzIntel Atom x5-Z8300 @ 1.44GHz
Max TDP65W17W4W
Power consumption per day (kWh)NANANA
Running cost per dayNANANA
Power consumption per year (kWh)NANANA
Running cost per yearNANANA
Shown CPU power usage is based on linear interpolation of Max TDP (i.e. max load). Actual CPU power profile may vary.