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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

AMD Turion II Ultra Dual-Core Mobile M640 vs Intel Core2 Duo P8400 @ 2.26GHz

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

×AMD Turion II Ultra Dual-Core Mobile M640×Intel Core2 Duo P8400 @ 2.26GHz+ ADD
PriceSearch Online$297.011
Socket TypeS1BGA479
CPU ClassLaptopLaptop
Clockspeed2.6 GHz2.3 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores2 (Threads: 2)2 (Threads: 2)
Max TDP35W25W
Yearly Running Cost$6.39$4.56
First Seen on ChartQ4 2009Q4 2008
# of Samples161182
Cross-Platform Rating24112208
Single Thread Rating98639183
CPU Mark953840
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 5th of June 2020 - Higher results represent better performance
AMD Turion II Ultra Dual-Core Mobile M640
953
Intel Core2 Duo P8400 @ 2.26GHz
840
CPU Value (CPU Mark / $Price)
As of 5th of June 2020 - Higher results represent better value
AMD Turion II Ultra Dual-Core Mobile M640
NA
Intel Core2 Duo P8400 @ 2.26GHz
2.83
CPU Single Thread Rating
As of 5th of June 2020 - Higher results represent better performance
AMD Turion II Ultra Dual-Core Mobile M640
986
Intel Core2 Duo P8400 @ 2.26GHz
918

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.
AMD Turion II Ultra Dual-Core Mobile M640Intel Core2 Duo P8400 @ 2.26GHz
Max TDP35W25W
Power consumption per day (kWh)abcabc
Running cost per dayabcabc
Power consumption per year (kWh)abcabc
Running cost per yearabcabc
Shown CPU power usage is based on linear interpolation of Max TDP (i.e. max load). Actual CPU power profile may vary.