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AMD Phenom II N640 Dual- vs Intel Core2 Duo E8435

The AMD Phenom II N640 Dual-Core is newer than Intel Core2 Duo E8435 @ 3.06GHz, while Intel Core2 Duo E8435 @ 3.06GHz is around 13% faster in multi-threaded (CPU Mark) testing, it is around 15% faster in single-thread testing. However, Intel Core2 Duo E8435 @ 3.06GHz uses substantially less power. All the CPUs in this comparison belong in the Laptop CPU Class.The values below were tabulated from a combined 89 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 Phenom II N640 Dual-Core×Intel Core2 Duo E8435 @ 3.06GHz+ ADD
Price Search Online Search Online
Socket TypeS1Socket P
CPU ClassLaptopLaptop
Clockspeed2.9 GHz3.1 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores2 (Threads: 2)2 (Threads: 2)
CacheL1: 256KB, L2: 2.0MB, L1: 128KB, L2: 6.0MB, L3: 0MB
TDP35WNA2
Yearly Running Cost$6.39NA
Other
First Seen on ChartQ4 2010Q1 2009
# of Samples5732
CPU Value17.618.4
Single Thread Rating(% diff. to max in group)10393(-15.1%)12233(0.0%)
CPU Mark(% diff. to max in group)965(-12.6%)1104(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 27th of December 2024 - Higher results represent better performance
AMD Phenom II N640 Dual-Core
965
Intel Core2 Duo E8435 @ 3.06GHz
1,104
PassMark Software © 2008-2024
CPU Value (CPU Mark / $Price)
As of 27th of December 2024 - Higher results represent better value
AMD Phenom II N640 Dual-Core
17.6
Intel Core2 Duo E8435 @ 3.06GHz
18.4
PassMark Software © 2008-2024
CPU Single Thread Rating
As of 27th of December 2024 - Higher results represent better performance
AMD Phenom II N640 Dual-Core
1,039
Intel Core2 Duo E8435 @ 3.06GHz
1,223
PassMark Software © 2008-2024
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 Phenom II N640 Dual-Core Intel Core2 Duo E8435 @ 3.06GHz
Max TDP35WNA
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.