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AMD Turion II N550 Dual- vs Phenom II N640 Dual-

The AMD Turion II N550 Dual-Core is newer than AMD Phenom II N640 Dual-Core, while AMD Phenom II N640 Dual-Core is around 9% faster in multi-threaded (CPU Mark) testing, it is around 14% faster in single-thread testing. Both CPUs operates at simliar power levels (TDP). All the CPUs in this comparison belong in the Laptop CPU Class.The values below were tabulated from a combined 62 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 N550 Dual-Core×AMD Phenom II N640 Dual-Core+ ADD
Price Search Online Search Online
Socket TypeS1S1
CPU ClassLaptopLaptop
Clockspeed2.6 GHz2.9 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores2 (Threads: 2)2 (Threads: 2)
CacheL1: 256KB, L2: 2.0MB, L1: 256KB, L2: 2.0MB,
TDP35W35W
Yearly Running Cost$6.39$6.39
Other
First Seen on ChartQ1 2011Q4 2010
# of Samples557
CPU Value0.017.6
Single Thread Rating(% diff. to max in group)8913(-14.2%)10393(0.0%)
CPU Mark(% diff. to max in group)877(-9.2%)965(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 31st of October 2024 - Higher results represent better performance
AMD Turion II N550 Dual-Core
877
AMD Phenom II N640 Dual-Core
965
PassMark Software © 2008-2024
CPU Value (CPU Mark / $Price)
As of 31st of October 2024 - Higher results represent better value
AMD Turion II N550 Dual-Core
NA
AMD Phenom II N640 Dual-Core
17.6
PassMark Software © 2008-2024
CPU Single Thread Rating
As of 31st of October 2024 - Higher results represent better performance
AMD Turion II N550 Dual-Core
891
AMD Phenom II N640 Dual-Core
1,039
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 Turion II N550 Dual-Core AMD Phenom II N640 Dual-Core
Max TDP35W35W
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.