CPU Performance Comparison

Performance of selected CPUs can be found below. The values for the CPU are determined from thousands of PerformanceTest benchmark results and is updated daily.

	AMD Phenom 8400 Triple-Core	AMD Phenom 8450 Triple-Core
Price	Search Online	$29.95¹
Socket Type	AM2+	AM2+
CPU Class	Desktop	Desktop
Clockspeed	2.1 GHz	2.1 GHz
Turbo Speed	Not Supported	Not Supported
# of Physical Cores	3	3
Max TDP	95W	95W
Yearly Running Cost	$17.34	$17.34
First Seen on Chart	Q1 2009	Q4 2008
# of Samples	93	238
Single Thread Rating	718	721
CPU Mark	1632	1889

¹ - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 22nd of August 2019 - Higher results represent better performance
AMD Phenom 8400 Triple-Core	1,632
AMD Phenom 8450 Triple-Core	1,889
Intel Core i9-9900K @ 3.60GHz	20,220
AMD Ryzen 7 2700X	16,960
Intel Core i7-8700K @ 3.70GHz	15,963
Intel Core i7-8700 @ 3.20GHz	15,160
AMD Ryzen 7 1700X	14,682
PassMark Software © 2008-2019

CPU Value (CPU Mark / $Price)
As of 22nd of August 2019 - Higher results represent better value
AMD Phenom 8400 Triple-Core	NA
AMD Phenom 8450 Triple-Core	63.09
Intel Core i9-9900K @ 3.60GHz	40.85
AMD Ryzen 7 2700X	68.15
Intel Core i7-8700K @ 3.70GHz	45.61
Intel Core i7-8700 @ 3.20GHz	44.59
AMD Ryzen 7 1700X	89.55
PassMark Software © 2008-2019

CPU Single Thread Rating
As of 22nd of August 2019 - Higher results represent better performance
AMD Phenom 8400 Triple-Core	718
AMD Phenom 8450 Triple-Core	721
Intel Core i9-9900K @ 3.60GHz	2,898
AMD Ryzen 7 2700X	2,190
Intel Core i7-8700K @ 3.70GHz	2,701
Intel Core i7-8700 @ 3.20GHz	2,631
AMD Ryzen 7 1700X	1,881
PassMark Software © 2008-2019

Show other common CPUs in charts

Estimated Energy Usage Cost

Estimated Energy Adjustable Values
Average hours of use per day
Average CPU Utilization (0-100%)¹
Power 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 Phenom 8400 Triple-Core	AMD Phenom 8450 Triple-Core
Max TDP	95W	95W
Power consumption per day (kWh)	abc	abc
Running cost per day	abc	abc
Power consumption per year (kWh)	abc	abc
Running cost per year	abc	abc

Shown CPU power usage is based on linear interpolation of Max TDP (i.e. max load). Actual CPU power profile may vary.

[Home] - [Common CPUs] - [Overclocked CPUs] - [Searchable CPU List] - [Graph Notes]

[High-End CPUs] - [High Mid-Range CPUs] - [Low Mid-Range CPUs] - [Low-End CPUs]

[CPU Mega Page - Detailed CPU List] - [Single Thread CPU Performance]

[CPU Mark by Socket Type] - [Manufacturer Market Share]