Phenom II X2 550 vs Ryzen 7 1700X

Primary details

Comparing Ryzen 7 1700X and Phenom II X2 550 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	712	2568
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	8.57	3.55
Market segment	Desktop processor	Desktop processor
Series	AMD Ryzen 7	no data
Architecture codename	Zen (2017−2020)	Callisto (2009−2010)
Release date	2 March 2017 (7 years ago)	November 2009 (14 years ago)
Launch price (MSRP)	$399	$133
Current price	$252 (0.6x MSRP)	$21 (0.2x MSRP)

Cost-effectiveness evaluation

Performance per price, higher is better.

Ryzen 7 1700X has 141% better value for money than Phenom II X2 550.

Detailed specifications

Ryzen 7 1700X 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	16	2
Base clock speed	3.4 GHz	no data
Boost clock speed	3.8 GHz	3.1 GHz
L1 cache	768 KB	128 KB (per core)
L2 cache	4096 KB	512 KB (per core)
L3 cache	16384 KB	6 MB (shared)
Chip lithography	14 nm	45 nm
Die size	192 mm2	258 mm2
Number of transistors	4,800 million	758 million
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	Yes	No

Compatibility

Information on Ryzen 7 1700X 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 (Uniprocessor)	1
Socket	AM4	AM3
Power consumption (TDP)	95 Watt	80 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen 7 1700X and Phenom II X2 550. You'll probably need this information if you require some particular technology.

Instruction set extensions	XFR, FMA3, SSE 4.2, AVX2, SMT	no data
AES-NI	+	no data
FMA	FMA3	no data
AVX	+	no data
XFR	+	no data
SenseMI	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Ryzen 7 1700X and Phenom II X2 550 are enumerated here.

AMD-V

+

no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Ryzen 7 1700X and Phenom II X2 550. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4	DDR3
Maximum memory size	64 GB	no data
Max memory channels	2	no data
Maximum memory bandwidth	42.671 GB/s	no data

Peripherals

Specifications and connection of peripherals supported by Ryzen 7 1700X and Phenom II X2 550.

PCIe version	n/a	no data
PCI Express lanes	20	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.

Ryzen 7 1700X outperforms Phenom II X2 550 by 1251% based on our aggregate benchmark results.

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Pros & cons summary

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Performance score	10.13	0.75
Physical cores	8	2
Threads	16	2
Cost	$399	$133
Chip lithography	14 nm	45 nm
Power consumption (TDP)	95 Watt	80 Watt

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Should you still have questions on choice between Ryzen 7 1700X and Phenom II X2 550, ask them in Comments section, and we shall answer.

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