Phenom II X2 550 vs FX-8320

Primary Details

Comparing FX-8320 and Phenom II X2 550 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	1430	2535
Place by popularity	not in top-100	not in top-100
Cost-Effectiveness Evaluation	1.42	3.55
Market segment	Desktop processor	Desktop processor
Architecture codename	Vishera (2012−2015)	Callisto (2009−2010)
Release date	23 October 2012 (11 years ago)	November 2009 (14 years ago)
Launch price (MSRP)	no data	$133
Current price	$110	$21 (0.2x MSRP)

Cost-Effectiveness Evaluation

Performance per price, higher is better.

Phenom II X2 550 has 150% better value for money than FX-8320.

Detailed Specifications

FX-8320 and Phenom II X2 550 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	8 (Octa-Core)	2 (Dual-core)
Threads	8	2
Base clock speed	3.5 GHz	no data
Boost clock speed	4 GHz	3.1 GHz
L1 cache	no data	128 KB (per core)
L2 cache	8192 KB	512 KB (per core)
L3 cache	no data	6 MB (shared)
Chip lithography	32 nm	45 nm
Die size	315 mm2	258 mm2
Maximum core temperature	61 °C	no data
Number of transistors	1,200 million	758 million
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	Yes	No
P0 Vcore voltage	Min: 1.2 V - Max: 1.4 V	no data

Compatibility

Information on FX-8320 and Phenom II X2 550 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+	AM3
Power consumption (TDP)	125 Watt	80 Watt

Technologies and extensions

Technological solutions and additional instructions supported by FX-8320 and Phenom II X2 550. You'll probably need this information if you require some particular technology.

AES-NI	+	no data
FMA	+	no data
AVX	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by FX-8320 and Phenom II X2 550 are enumerated here.

AMD-V

+

no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by FX-8320 and Phenom II X2 550. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types

DDR3

DDR3

Peripherals

Specifications and connection of peripherals supported by FX-8320 and Phenom II X2 550.

PCIe version

n/a

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.

FX-8320 outperforms Phenom II X2 550 by 371% based on our aggregated benchmark results.

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Pros & Cons Summary

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Performance score	3.53	0.75
Physical cores	8	2
Threads	8	2
Chip lithography	32 nm	45 nm
Power consumption (TDP)	125 Watt	80 Watt

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Should you still have questions on choice between FX-8320 and Phenom II X2 550, ask them in Comments section, and we shall answer.

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