Xeon Silver 4514Y vs Atom N455

Primary details

Comparing Atom N455 and Xeon Silver 4514Y 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	no data
Architecture codename	Pinetrail (2009−2011)	Emerald Rapids (2023)
Release date	1 June 2010 (14 years ago)	14 December 2023 (less than a year ago)
Launch price (MSRP)	$64	$780

Detailed specifications

Atom N455 and Xeon Silver 4514Y 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)	16 (Hexadeca-Core)
Threads	2	32
Base clock speed	1.66 GHz	2 GHz
Boost clock speed	1.67 GHz	3.4 GHz
Bus rate	533 MHz	no data
L1 cache	64 KB (per core)	80 KB (per core)
L2 cache	512K (per core)	2 MB (per core)
L3 cache	0 KB	30 MB (shared)
Chip lithography	45 nm	Intel 7 nm
Die size	66 mm2	2x 763 mm2
Maximum core temperature	100 °C	no data
Maximum case temperature (TCase)	no data	79 °C
Number of transistors	123 million	no data
64 bit support	+	+
Windows 11 compatibility	-	no data

Compatibility

Information on Atom N455 and Xeon Silver 4514Y 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	2
Socket	FCBGA559	FCLGA4677
Power consumption (TDP)	6.5 Watt	150 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Atom N455 and Xeon Silver 4514Y. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE2, Intel® SSE3, Intel® SSSE3	Intel® AMX, Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512
AES-NI	-	+
AVX	-	+
vPro	no data	+
Enhanced SpeedStep (EIST)	+	+
Speed Shift	no data	+
Turbo Boost Technology	-	2.0
Hyper-Threading Technology	+	+
TSX	-	+
Thermal Monitoring	+	-
Demand Based Switching	-	no data
Deep Learning Boost	-	+

Security technologies

Atom N455 and Xeon Silver 4514Y technologies aimed at improving security, for example, by protecting against hacks.

TXT	-	+
EDB	+	+
SGX	no data	Yes with Intel® SPS
OS Guard	no data	+

Virtualization technologies

Virtual machine speed-up technologies supported by Atom N455 and Xeon Silver 4514Y are enumerated here.

VT-d	-	+
VT-x	-	+
EPT	no data	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Atom N455 and Xeon Silver 4514Y. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR5-4400
Maximum memory size	2 GB	4 TB
Max memory channels	1	8
ECC memory support	-	+

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 N455 and Xeon Silver 4514Y.

PCIe version	no data	5.0
PCI Express lanes	no data	80

Pros & cons summary

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Recency	1 June 2010	14 December 2023
Physical cores	1	16
Threads	2	32
Power consumption (TDP)	6 Watt	150 Watt

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Should you still have questions on choice between Atom N455 and Xeon Silver 4514Y, ask them in Comments section, and we shall answer.

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