Ryzen 5 8400F vs Atom Z550

Primary details

Comparing Atom Z550 and Ryzen 5 8400F processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	not rated	459
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	no data	59.85
Market segment	Laptop	Desktop processor
Series	Intel Atom	no data
Power efficiency	no data	21.98
Architecture codename	Silverthorne (2008−2010)	Phoenix (2023−2024)
Release date	8 April 2009 (15 years ago)	1 April 2024 (less than a year ago)
Launch price (MSRP)	no data	$170

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Atom Z550 and Ryzen 5 8400F 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	1 (Single-Core)	6 (Hexa-Core)
Threads	2	12
Base clock speed	2 GHz	4.2 GHz
Boost clock speed	2 GHz	4.7 GHz
Bus type	FSB	no data
Bus rate	533.33 MT/s	no data
Multiplier	15	no data
L1 cache	56 KB (per core)	64 KB (per core)
L2 cache	512 KB (per core)	1 MB (per core)
L3 cache	0 KB	16 MB (shared)
Chip lithography	45 nm	4 nm
Die size	26 mm2	178 mm2
Maximum core temperature	90 °C	no data
Number of transistors	47 million	25,000 million
64 bit support	-	+
Windows 11 compatibility	-	no data
Unlocked multiplier	-	+

Compatibility

Information on Atom Z550 and Ryzen 5 8400F 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	PBGA441	AM5
Power consumption (TDP)	2.4 Watt	65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Atom Z550 and Ryzen 5 8400F. You'll probably need this information if you require some particular technology.

AES-NI	-	+
AVX	-	+
Enhanced SpeedStep (EIST)	+	no data
Turbo Boost Technology	-	no data
Hyper-Threading Technology	+	no data
Idle States	+	no data
Thermal Monitoring	+	-
Demand Based Switching	+	no data
FSB parity	-	no data
Precision Boost 2	no data	+

Security technologies

Atom Z550 and Ryzen 5 8400F technologies aimed at improving security, for example, by protecting against hacks.

TXT	-	no data
EDB	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Atom Z550 and Ryzen 5 8400F are enumerated here.

AMD-V	-	+
VT-d	-	no data
VT-x	+	no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Atom Z550 and Ryzen 5 8400F. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types

unknown

DDR5

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

On certain motherboards (Chipset feature)

N/A

Peripherals

Specifications and connection of peripherals supported by Atom Z550 and Ryzen 5 8400F.

PCIe version	no data	4.0
PCI Express lanes	no data	20

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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Pros & cons summary

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Recency	8 April 2009	1 April 2024
Physical cores	1	6
Threads	2	12
Chip lithography	45 nm	4 nm
Power consumption (TDP)	2 Watt	65 Watt

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Should you still have questions on choice between Atom Z550 and Ryzen 5 8400F, ask them in Comments section, and we shall answer.

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