i9-14900KF vs Atom N455

Primary details

Comparing Atom N455 and Core i9-14900KF processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	3353	82
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	no data	66.46
Market segment	Laptop	Desktop processor
Series	Intel Atom	no data
Power efficiency	1.62	28.27
Architecture codename	Pinetrail (2009−2011)	Raptor Lake-R (2023−2024)
Release date	1 June 2010 (14 years ago)	17 October 2023 (1 year ago)
Launch price (MSRP)	$64	$564

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Atom N455 and Core i9-14900KF 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)	24 (Tetracosa-Core)
Performance-cores	no data	8
Efficient-cores	no data	16
Threads	2	32
Base clock speed	1.66 GHz	3.2 GHz
Boost clock speed	1.67 GHz	5.8 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	36 MB (shared)
Chip lithography	45 nm	Intel 7 nm
Die size	66 mm2	257 mm2
Maximum core temperature	100 °C	100 °C
Number of transistors	123 million	no data
64 bit support	+	+
Windows 11 compatibility	-	+
Unlocked multiplier	-	+

Compatibility

Information on Atom N455 and Core i9-14900KF 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	FCLGA1700
Power consumption (TDP)	6.5 Watt	125 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Atom N455 and Core i9-14900KF. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE2, Intel® SSE3, Intel® SSSE3	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI	-	+
AVX	-	+
Enhanced SpeedStep (EIST)	+	+
Speed Shift	no data	+
Turbo Boost Technology	-	2.0
Hyper-Threading Technology	+	+
TSX	-	+
Idle States	no data	+
Thermal Monitoring	+	+
Demand Based Switching	-	no data
Turbo Boost Max 3.0	no data	+
Deep Learning Boost	-	+

Security technologies

Atom N455 and Core i9-14900KF technologies aimed at improving security, for example, by protecting against hacks.

TXT	-	+
EDB	+	+
Secure Key	no data	+
OS Guard	no data	+

Virtualization technologies

Virtual machine speed-up technologies supported by Atom N455 and Core i9-14900KF 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 Core i9-14900KF. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR5-5600, DDR4-3200
Maximum memory size	2 GB	192 GB
Max memory channels	1	2
Maximum memory bandwidth	no data	89.6 GB/s

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 Core i9-14900KF.

PCIe version	no data	5.0 and 4.0
PCI Express lanes	no data	16

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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Combined synthetic benchmark score

This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

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Pros & cons summary

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Performance score	0.12	37.34
Recency	1 June 2010	17 October 2023
Physical cores	1	24
Threads	2	32
Power consumption (TDP)	6 Watt	125 Watt

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Should you still have questions on choice between Atom N455 and Core i9-14900KF, ask them in Comments section, and we shall answer.

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