Phenom X4 9150e vs Athlon II X2 255

Primary details

Comparing Athlon II X2 255 and Phenom X4 9150e processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	2558	2431
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	0.02	3.48
Market segment	Desktop processor	Desktop processor
Architecture codename	Regor (2009−2013)	Agena (2007−2008)
Release date	25 January 2010 (14 years ago)	July 2008 (16 years ago)
Launch price (MSRP)	$60	no data
Current price	$16.55 (0.3x MSRP)	$32

Cost-effectiveness evaluation

Performance per price, higher is better.

Phenom X4 9150e has 17300% better value for money than Athlon II X2 255.

Detailed specifications

Athlon II X2 255 and Phenom X4 9150e basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.

Physical cores	2 (Dual-core)	4 (Quad-Core)
Threads	2	4
Base clock speed	3.1 GHz	no data
Boost clock speed	3.1 GHz	1.8 GHz
L1 cache	128 KB	128 KB (per core)
L2 cache	1 MB	512 KB (per core)
L3 cache	0 KB	2 MB (shared)
Chip lithography	45 nm	65 nm
Die size	117 mm2	285 mm2
Number of transistors	410 million	450 million
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	No	No

Compatibility

Information on Athlon II X2 255 and Phenom X4 9150e compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.

Number of CPUs in a configuration	1	1
Socket	AM3	AM2+
Power consumption (TDP)	65 Watt	65 Watt

Virtualization technologies

Virtual machine speed-up technologies supported by Athlon II X2 255 and Phenom X4 9150e are enumerated here.

AMD-V

no data

+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Athlon II X2 255 and Phenom X4 9150e. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types

DDR3

no data

Peripherals

Specifications and connection of peripherals supported by Athlon II X2 255 and Phenom X4 9150e.

PCIe version

2.0

no data

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.

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Combined synthetic benchmark score

This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

Phenom X4 9150e outperforms Athlon II X2 255 by 20% based on our aggregate benchmark results.

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Pros & cons summary

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Performance score	0.76	0.91
Physical cores	2	4
Threads	2	4
Chip lithography	45 nm	65 nm

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Should you still have questions on choice between Athlon II X2 255 and Phenom X4 9150e, ask them in Comments section, and we shall answer.

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