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Intel Pentium III Mobile 800MHz vs Core2 Duo P8700

The Intel Pentium III Mobile 800MHz is newer than Intel Core2 Duo P8700 @ 2.53GHz however is significantly slower in multi-threaded (CPU Mark) testing. However, it is significantly slower in single-thread testing. All the CPUs in this comparison belong in the Laptop CPU Class. The values below were tabulated from a combined 1392 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 Pentium III Mobile 800MHz×Intel Core2 Duo P8700 @ 2.53GHz+ ADD
Price Search Online Search Online
Socket TypeNA2BGA479
CPU ClassLaptopLaptop
Clockspeed0.8 GHz2.5 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores1 (Threads: 1)2 (Threads: 2)
CacheL1: 2KB, L2: 0.0MB, L3: 0MBL1: 128KB, L2: 3.0MB, L3: 0MB
TDPNA225W
Yearly Running CostNA$4.56
Other
First Seen on ChartQ2 2009Q1 2009
# of Samples21390
CPU Value1.511.3
Single Thread Rating(% diff. to max in group)1553(-84.7%)10123(0.0%)
CPU Mark(% diff. to max in group)119(-87.6%)959(0.0%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.
2 - Information not available. Do you know? Notify Us.
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 9th of November 2025 - Higher results represent better performance
Intel Pentium III Mobile 800MHz
119
Intel Core2 Duo P8700 @ 2.53GHz
959
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 9th of November 2025 - Higher results represent better value
Intel Pentium III Mobile 800MHz
1.5
Intel Core2 Duo P8700 @ 2.53GHz
11.3
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 9th of November 2025 - Higher results represent better performance
Intel Pentium III Mobile 800MHz
155
Intel Core2 Duo P8700 @ 2.53GHz
1,012
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 Pentium III Mobile 800MHz Intel Core2 Duo P8700 @ 2.53GHz
Max TDPNA25W
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.