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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

ZHAOXIN KaiXian KX-6640MA@2.2+GHz vs AMD Phenom II X3 B75 vs AMD Ryzen 7 5700X

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


×ZHAOXIN KaiXian KX-6640MA@2.2+GHz×AMD Phenom II X3 B75×AMD Ryzen 7 5700X+ ADD
PriceSearch Online$49.951$286.98
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Socket TypeNA2AM3AM4
CPU ClassNA2DesktopDesktop
Clockspeed3.0 GHz3.0 GHz3.4 GHz
Turbo SpeedUp to 3.0 GHzNot SupportedUp to 4.6 GHz
# of Physical Cores4 (Threads: 4)3 (Threads: 3)8 (Threads: 16)
Max TDP70W95W65W
Yearly Running Cost$12.78$17.34$11.86
First Seen on ChartQ4 2020Q3 2009Q2 2022
# of Samples762127
Single Thread Rating69311613323
CPU Mark1519156026442
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 28th of June 2022 - Higher results represent better performance
ZHAOXIN KaiXian KX-6640MA@2.2+GHz
 1,519
AMD Phenom II X3 B75
 1,560
AMD Ryzen 7 5700X
 26,442
PassMark Software © 2008-2022
CPU Value (CPU Mark / $Price)
As of 28th of June 2022 - Higher results represent better value
ZHAOXIN KaiXian KX-6640MA@2.2+GHz
 NA
AMD Phenom II X3 B75
 31.23
AMD Ryzen 7 5700X
 92.14
PassMark Software © 2008-2022
CPU Single Thread Rating
As of 28th of June 2022 - Higher results represent better performance
ZHAOXIN KaiXian KX-6640MA@2.2+GHz
 693
AMD Phenom II X3 B75
 1,161
AMD Ryzen 7 5700X
 3,323
PassMark Software © 2008-2022

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.
ZHAOXIN KaiXian KX-6640MA@2.2+GHzAMD Phenom II X3 B75AMD Ryzen 7 5700X
Max TDP70W95W65W
Power consumption per day (kWh)NANANA
Running cost per dayNANANA
Power consumption per year (kWh)NANANA
Running cost per yearNANANA
Shown CPU power usage is based on linear interpolation of Max TDP (i.e. max load). Actual CPU power profile may vary.