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AMD Turion II Ultra Dual- Mobile M660 vs Intel Core2 Duo P8400

The AMD Turion II Ultra Dual-Core Mobile M660 is newer than Intel Core2 Duo P8400 @ 2.26GHz also around 15% faster in multi-threaded (CPU Mark) testing, it is around 16% faster in single-thread testing. However, AMD Turion II Ultra Dual-Core Mobile M660 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 1292 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.

×AMD Turion II Ultra Dual-Core Mobile M660×Intel Core2 Duo P8400 @ 2.26GHz+ ADD
Price Search Online Search Online
Socket TypeS1BGA479
CPU ClassLaptopLaptop
Clockspeed2.7 GHz2.3 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores2 (Threads: 2)2 (Threads: 2)
CacheL1: 256KB, L2: 2.0MB, L1: 128KB, L2: 3.0MB, L3: 0MB
TDP35W25W
Yearly Running Cost$6.39$4.56
Other
First Seen on ChartQ1 2010Q4 2008
# of Samples91283
CPU Value0.02.9
Single Thread Rating(% diff. to max in group)11033(0.0%)9223(-16.5%)
CPU Mark(% diff. to max in group)1011(0.0%)861(-14.9%)
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 26th of February 2025 - Higher results represent better performance
AMD Turion II Ultra Dual-Core Mobile M660
1,011
Intel Core2 Duo P8400 @ 2.26GHz
861
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 26th of February 2025 - Higher results represent better value
AMD Turion II Ultra Dual-Core Mobile M660
NA
Intel Core2 Duo P8400 @ 2.26GHz
2.9
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 26th of February 2025 - Higher results represent better performance
AMD Turion II Ultra Dual-Core Mobile M660
1,103
Intel Core2 Duo P8400 @ 2.26GHz
922
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.
AMD Turion II Ultra Dual-Core Mobile M660 Intel Core2 Duo P8400 @ 2.26GHz
Max TDP35W25W
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.