EPYC 9555P vs Atom N270

Primary details

Comparing Atom N270 and EPYC 9555P processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	3380	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Server
Series	Intel Atom	no data
Architecture codename	DiamondVille (2008−2009)	Turin (2024)
Release date	2 April 2008 (16 years ago)	10 October 2024 (less than a year ago)
Launch price (MSRP)	$44	$7,983

Detailed specifications

Atom N270 and EPYC 9555P 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)	64 (Tetrahexaconta-Core)
Threads	2	128
Base clock speed	1.6 GHz	3.2 GHz
Boost clock speed	0.1 GHz	4.4 GHz
Bus type	FSB	no data
Bus rate	533.33 MT/s	no data
Multiplier	12	no data
L1 cache	56 KB	80 KB (per core)
L2 cache	512 KB	1 MB (per core)
L3 cache	0 KB	256 MB (shared)
Chip lithography	45 nm	4 nm
Die size	25.9638 mm2	8x 70.6 mm2
Maximum core temperature	90 °C	no data
Number of transistors	47 Million	66,520 million
64 bit support	-	+
Windows 11 compatibility	-	no data
VID voltage range	0.9V-1.1625V	no data

Compatibility

Information on Atom N270 and EPYC 9555P 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	PBGA437	SP5
Power consumption (TDP)	2.5 Watt	360 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Atom N270 and EPYC 9555P. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE, 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
Idle States	-	no data
Thermal Monitoring	+	-
Demand Based Switching	-	no data
FSB parity	-	no data
Precision Boost 2	no data	+

Security technologies

Atom N270 and EPYC 9555P 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 N270 and EPYC 9555P 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 N270 and EPYC 9555P. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	no data	DDR5
Maximum memory size	8 GB	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

-

N/A

Peripherals

Specifications and connection of peripherals supported by Atom N270 and EPYC 9555P.

PCIe version	no data	5.0
PCI Express lanes	no data	128

Pros & cons summary

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Recency	2 April 2008	10 October 2024
Physical cores	1	64
Threads	2	128
Chip lithography	45 nm	4 nm
Power consumption (TDP)	2 Watt	360 Watt

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