Atom C3538 vs i9-14900HX

Primary details

Comparing Core i9-14900HX and Atom C3538 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	159	2361
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	no data	0.04
Market segment	Laptop	Server
Series	Raptor Lake-HX	Intel Atom
Power efficiency	49.42	7.51
Architecture codename	Raptor Lake-HX Refresh (2024)	Goldmont (2016−2017)
Release date	8 January 2024 (less than a year ago)	15 August 2017 (7 years ago)
Launch price (MSRP)	no data	$75

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Core i9-14900HX and Atom C3538 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	24 (Tetracosa-Core)	4 (Quad-Core)
Threads	32	4
Base clock speed	2.2 GHz	2.1 GHz
Boost clock speed	5.7 GHz	2.1 GHz
Bus rate	157 MHz	no data
Multiplier	no data	21
L1 cache	80 KB (per core)	224 KB
L2 cache	2 MB (per core)	8 MB
L3 cache	36 MB (shared)	8 MB
Chip lithography	Intel 7 nm	14 nm
Die size	257 mm2	no data
Maximum core temperature	100 °C	87 °C
Maximum case temperature (TCase)	72 °C	no data
64 bit support	+	+
Windows 11 compatibility	no data	-
Unlocked multiplier	+	-

Compatibility

Information on Core i9-14900HX and Atom C3538 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	FCBGA1964	FCBGA1310
Power consumption (TDP)	55 Watt	15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i9-14900HX and Atom C3538. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2	no data
AES-NI	+	+
FMA	+	-
AVX	+	-
Enhanced SpeedStep (EIST)	+	+
QuickAssist	no data	+
Speed Shift	+	no data
Turbo Boost Technology	no data	-
Hyper-Threading Technology	+	-
TSX	+	-
Thermal Monitoring	+	-
Flex Memory Access	+	no data
Turbo Boost Max 3.0	+	no data
Deep Learning Boost	+	-

Security technologies

Core i9-14900HX and Atom C3538 technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Core i9-14900HX and Atom C3538 are enumerated here.

VT-d	+	+
VT-x	+	+
EPT	+	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i9-14900HX and Atom C3538. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4, DDR5	DDR4: 2133
Maximum memory size	192 GB	256 GB
Max memory channels	2	2
Maximum memory bandwidth	89.6 GB/s	29.871 GB/s
ECC memory support	-	+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel UHD Graphics for 14th Gen Intel Processors	no data
Quick Sync Video	+	-
Graphics max frequency	1.65 GHz	no data
Execution Units	32	no data

Graphics interfaces

Available interfaces and connections of Core i9-14900HX and Atom C3538 integrated GPUs.

Number of displays supported

4

no data

Graphics image quality

Maximum display resolutions supported by Core i9-14900HX and Atom C3538 integrated GPUs, including resolutions over different interfaces.

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

Graphics API support

APIs supported by Core i9-14900HX and Atom C3538 integrated GPUs, sometimes API versions are included.

DirectX	12.1	no data
OpenGL	4.6	no data

Peripherals

Specifications and connection of peripherals supported by Core i9-14900HX and Atom C3538.

PCIe version	5.0 and 4.0	3
PCI Express lanes	16	12
USB revision	no data	3
Total number of SATA ports	no data	12
Max number of SATA 6 Gb/s Ports	no data	12
Number of USB ports	no data	8
Integrated LAN	no data	2x10/2.5/1 GBE + 2x2.5/1 GBE

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	28.72	1.19
Recency	8 January 2024	15 August 2017
Physical cores	24	4
Threads	32	4
Power consumption (TDP)	55 Watt	15 Watt

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Should you still have questions on choice between Core i9-14900HX and Atom C3538, ask them in Comments section, and we shall answer.

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