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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel Atom x5-Z8500 @ 1.44GHz vs AMD Phenom II N640 Dual-Core

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

×Intel Atom x5-Z8500 @ 1.44GHz×AMD Phenom II N640 Dual-Core+ ADD
Price$62.571$64.951
Socket TypeUTFCBGA1380S1
CPU ClassLaptopLaptop
Clockspeed1.4 GHz2.9 GHz
Turbo SpeedUp to 2.2 GHzNot Supported
# of Physical Cores4 (Threads: 4)2 (Threads: 2)
Max TDP4W35W
Yearly Running Cost$0.73$6.39
First Seen on ChartQ2 2015Q4 2010
# of Samples19157
Cross-Platform Rating21590
Single Thread Rating6129893
CPU Mark1143950
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 28th of May 2020 - Higher results represent better performance
Intel Atom x5-Z8500 @ 1.44GHz
1,143
AMD Phenom II N640 Dual-Core
950
CPU Value (CPU Mark / $Price)
As of 28th of May 2020 - Higher results represent better value
Intel Atom x5-Z8500 @ 1.44GHz
18.27
AMD Phenom II N640 Dual-Core
14.63
CPU Single Thread Rating
As of 28th of May 2020 - Higher results represent better performance
Intel Atom x5-Z8500 @ 1.44GHz
612
AMD Phenom II N640 Dual-Core
989

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.
Intel Atom x5-Z8500 @ 1.44GHzAMD Phenom II N640 Dual-Core
Max TDP4W35W
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.