EPYC 9655P vs Atom N550

Primary details

Comparing Atom N550 and EPYC 9655P processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	not rated	1
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	no data	2.42
Market segment	Laptop	Server
Series	Intel Atom	no data
Power efficiency	no data	23.22
Architecture codename	Pineview (2009−2011)	Turin (2024)
Release date	23 August 2010 (14 years ago)	10 October 2024 (less than a year ago)
Launch price (MSRP)	$86	$10,811

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Atom N550 and EPYC 9655P 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)	96
Threads	4	192
Base clock speed	1.5 GHz	2.6 GHz
Boost clock speed	1.5 GHz	4.5 GHz
Bus rate	666 MHz	no data
L1 cache	64K (per core)	80 KB (per core)
L2 cache	512K (per core)	1 MB (per core)
L3 cache	0 KB	384 MB (shared)
Chip lithography	45 nm	4 nm
Die size	87 mm2	12x 70.6 mm2
Number of transistors	176 million	99,780 million
64 bit support	+	+
Windows 11 compatibility	-	no data

Compatibility

Information on Atom N550 and EPYC 9655P 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	FCBGA559	SP5
Power consumption (TDP)	8.5 Watt	400 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Atom N550 and EPYC 9655P. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE2, Intel® SSE3, Intel® SSSE3	no data
AES-NI	-	+
AVX	-	+
Enhanced SpeedStep (EIST)	+	no data
Turbo Boost Technology	-	no data
Hyper-Threading Technology	+	no data
Thermal Monitoring	+	-
Demand Based Switching	-	no data
Precision Boost 2	no data	+

Security technologies

Atom N550 and EPYC 9655P 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 N550 and EPYC 9655P 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 N550 and EPYC 9655P. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR5
Maximum memory size	2 GB	no data
Max memory channels	1	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

Intel GMA 3150

N/A

Peripherals

Specifications and connection of peripherals supported by Atom N550 and EPYC 9655P.

PCIe version	no data	5.0
PCI Express lanes	no data	128

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	23 August 2010	10 October 2024
Physical cores	2	96
Threads	4	192
Chip lithography	45 nm	4 nm
Power consumption (TDP)	8 Watt	400 Watt

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Should you still have questions on choice between Atom N550 and EPYC 9655P, ask them in Comments section, and we shall answer.

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