Core i9-14900 vs Atom N455

Primary details

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

Place in performance ranking	not rated	115
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	no data	55.74
Market segment	Laptop	Desktop processor
Series	Intel Atom	no data
Architecture codename	Pinetrail (2009−2010)	no data
Release date	1 June 2010 (14 years ago)	1 January 2024 (less than a year ago)
Launch price (MSRP)	$64	no data
Current price	$163 (2.5x MSRP)	$602

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Atom N455 and Core i9-14900 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)
Threads	2	32
Base clock speed	1.66 GHz	no data
Boost clock speed	1.67 GHz	5.6 GHz
Bus support	533 MHz	no data
L1 cache	64 KB (per core)	no data
L2 cache	512K (per core)	no data
L3 cache	0 KB	36 MB Intel® Smart Cache
Chip lithography	45 nm	Intel 7 nm
Die size	66 mm2	no data
Maximum core temperature	100 °C	100 °C
Number of transistors	123 million	no data
64 bit support	+	+
Windows 11 compatibility	-	+
Unlocked multiplier	No	No

Compatibility

Information on Atom N455 and Core i9-14900 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	no data

Technologies and extensions

Technological solutions and additional instructions supported by Atom N455 and Core i9-14900. 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	no data	+
Enhanced SpeedStep (EIST)	+	+
Speed Shift	no data	+
Turbo Boost Technology	-	2.0
Hyper-Threading Technology	+	+
Idle States	no data	+
Thermal Monitoring	+	+
SIPP	no data	+
Demand Based Switching	-	no data
Turbo Boost Max 3.0	no data	+
Status	Discontinued	Launched

Security technologies

Atom N455 and Core i9-14900 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 i9-14900 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 i9-14900. 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
ECC memory support	no data	+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card Compare	Intel GMA 3150	Intel UHD Graphics 770
Quick Sync Video	no data	+
Clear Video HD	no data	+
Graphics max frequency	no data	1.65 GHz
Execution Units	no data	32

Graphics interfaces

Available interfaces and connections of Atom N455 and Core i9-14900 integrated GPUs.

Number of displays supported

no data

4

Graphics image quality

Maximum display resolutions supported by Atom N455 and Core i9-14900 integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.4	no data	4096 x 2160 @ 60Hz
Max resolution over eDP	no data	5120 x 3200 @ 120Hz
Max resolution over DisplayPort	no data	7680 x 4320 @ 60Hz

Graphics API support

APIs supported by Atom N455 and Core i9-14900 integrated GPUs, sometimes API versions are included.

DirectX	no data	12
OpenGL	no data	4.5

Peripherals

Specifications and connection of peripherals supported by Atom N455 and Core i9-14900.

PCIe version	no data	5.0 and 4.0
PCI Express lanes	no data	20

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	1 June 2010	1 January 2024
Physical cores	1	24
Threads	2	32

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

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