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Intel Core2 Duo P8800 vs AMD Phenom II N640 Dual-

The AMD Phenom II N640 Dual-Core is newer than Intel Core2 Duo P8800 @ 2.66GHz and is around 21% faster in multi-threaded (CPU Mark) testing. However the CPUs have comparable single-thread rating. Also, AMD Phenom II N640 Dual-Core uses around 33% more power. All the CPUs in this comparison belong in the Laptop CPU Class. The values below were tabulated from a combined 279 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 Core2 Duo P8800 @ 2.66GHz×AMD Phenom II N640 Dual-Core+ ADD
Price Search Online Search Online
Socket TypeBGA479S1
CPU ClassLaptopLaptop
Clockspeed2.7 GHz2.9 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores2 (Threads: 2)2 (Threads: 2)
CacheL1: 128KB, L2: 3.0MB, L3: 0MBL1: 256KB, L2: 2.0MB,
TDP25W35W
Yearly Running Cost$4.56$6.39
Other
First Seen on ChartQ3 2009Q4 2010
# of Samples22158
CPU Value16.420.7
Single Thread Rating(% diff. to max in group)10753(-4.1%)1121(0.0%)
CPU Mark(% diff. to max in group)937(-17.5%)1135(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 14th of November 2025 - Higher results represent better performance
Intel Core2 Duo P8800 @ 2.66GHz
937
AMD Phenom II N640 Dual-Core
1,135
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 14th of November 2025 - Higher results represent better value
Intel Core2 Duo P8800 @ 2.66GHz
16.4
AMD Phenom II N640 Dual-Core
20.7
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 14th of November 2025 - Higher results represent better performance
Intel Core2 Duo P8800 @ 2.66GHz
1,075
AMD Phenom II N640 Dual-Core
1,121
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 Core2 Duo P8800 @ 2.66GHz AMD Phenom II N640 Dual-Core
Max TDP25W35W
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.