EPYC Embedded 3251 vs Atom N450

Primary details

Comparing Atom N450 and EPYC Embedded 3251 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	not rated	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Server
Series	Intel Atom	AMD EPYC Embedded
Architecture codename	Pinetrail (2009−2011)	Zen (2017−2020)
Release date	21 December 2009 (14 years ago)	21 February 2018 (6 years ago)
Launch price (MSRP)	$64	$315

Detailed specifications

Atom N450 and EPYC Embedded 3251 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)	8 (Octa-Core)
Threads	2	16
Base clock speed	1.66 GHz	2.5 GHz
Boost clock speed	1.67 GHz	2.5 GHz
Bus rate	533 MHz	no data
Multiplier	no data	25
L1 cache	56 KB (per core)	768 KB
L2 cache	512 KB (per core)	4 MB
L3 cache	0 KB	16 MB (shared)
Chip lithography	45 nm	14 nm
Die size	66 mm2	213 mm2
Maximum core temperature	100 °C	no data
Number of transistors	123 million	4800 Million
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	-	+

Compatibility

Information on Atom N450 and EPYC Embedded 3251 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 (Uniprocessor)
Socket	FCBGA559	TR4
Power consumption (TDP)	5.5 Watt	55 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Atom N450 and EPYC Embedded 3251. 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

Security technologies

Atom N450 and EPYC Embedded 3251 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 N450 and EPYC Embedded 3251 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 N450 and EPYC Embedded 3251. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR2	DDR4 Eight-channel
Maximum memory size	2 GB	512 GB
Max memory channels	1	2
Maximum memory bandwidth	no data	42.671 GB/s
ECC memory support	-	+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

On certain motherboards (Chipset feature)

no data

Pros & cons summary

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Recency	21 December 2009	21 February 2018
Physical cores	1	8
Threads	2	16
Chip lithography	45 nm	14 nm
Power consumption (TDP)	5 Watt	55 Watt

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Should you still have questions on choice between Atom N450 and EPYC Embedded 3251, ask them in Comments section, and we shall answer.

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