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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel Core2 Duo E4400 @ 2.00GHz vs Intel Atom x7-Z8700 @ 1.60GHz vs Intel Core2 Duo E6600 @ 2.40GHz

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 Atom x7-Z8700 @ 1.60GHz×Intel Core2 Duo E6600 @ 2.40GHz+ ADD
Price Search Online Search Online $188.08 - BUY
Socket TypeLGA775BGA1380PLGA775
CPU ClassDesktopLaptopDesktop
Clockspeed2.0 GHz1.6 GHz2.4 GHz
Turbo SpeedNot SupportedUp to 2.4 GHzNot Supported
# of Physical Cores2 (Threads: 2)4 (Threads: 4)2 (Threads: 2)
CacheL1: 128KB, L2: 2.0MB, L3: 0MBL1: 224KB, L2: 2.0MB, L3: 0MBL1: 128KB, L2: 4.0MB, L3: 0MB
TDP65W4W65W
Yearly Running Cost$11.86$0.73$11.86
Other
First Seen on ChartQ4 2008Q2 2015Q4 2008
# of Samples4513371532
CPU Value15.818.15.0
Single Thread Rating(% diff. to max in group)7713(-18.6%)651(-31.3%)9483(0.0%)
CPU Mark(% diff. to max in group)673(-49.4%)1331(0.0%)939(-29.4%)
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 16th of April 2024 - Higher results represent better performance
Intel Core2 Duo E4400 @ 2.00GHz
673
Intel Atom x7-Z8700 @ 1.60GHz
1,331
Intel Core2 Duo E6600 @ 2.40GHz
939
PassMark Software © 2008-2024
CPU Value (CPU Mark / $Price)
As of 16th of April 2024 - Higher results represent better value
Intel Core2 Duo E4400 @ 2.00GHz
15.8
Intel Atom x7-Z8700 @ 1.60GHz
18.1
Intel Core2 Duo E6600 @ 2.40GHz
5.0
PassMark Software © 2008-2024
CPU Single Thread Rating
As of 16th of April 2024 - Higher results represent better performance
Intel Core2 Duo E4400 @ 2.00GHz
771
Intel Atom x7-Z8700 @ 1.60GHz
651
Intel Core2 Duo E6600 @ 2.40GHz
948
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 Atom x7-Z8700 @ 1.60GHzIntel Core2 Duo E6600 @ 2.40GHz
Max TDP65W4W65W
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.