Ultra 9 185H vs Atom C3538

Primary details

Comparing Atom C3538 and Core Ultra 9 185H processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	2340	315
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	0.04	no data
Market segment	Server	Laptop
Series	Intel Atom	Intel Meteor Lake-H
Power efficiency	7.48	38.91
Architecture codename	Goldmont (2016−2017)	Meteor Lake-H (2023)
Release date	15 August 2017 (7 years ago)	14 December 2023 (less than a year ago)
Launch price (MSRP)	$75	$640

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Atom C3538 and Core Ultra 9 185H 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	4 (Quad-Core)	16 (Hexadeca-Core)
Threads	4	22
Base clock speed	2.1 GHz	3.9 GHz
Boost clock speed	2.1 GHz	5.1 GHz
Multiplier	21	no data
L1 cache	224 KB	112 KB (per core)
L2 cache	8 MB	2 MB (per core)
L3 cache	8 MB	24 MB (shared)
Chip lithography	14 nm	Intel 4 nm
Maximum core temperature	87 °C	110 °C
64 bit support	+	+
Windows 11 compatibility	-	no data

Compatibility

Information on Atom C3538 and Core Ultra 9 185H 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 (Uniprocessor)	1
Socket	FCBGA1310	FCBGA2049
Power consumption (TDP)	15 Watt	45 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Atom C3538 and Core Ultra 9 185H. You'll probably need this information if you require some particular technology.

Instruction set extensions	no data	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI	+	+
AVX	-	+
vPro	no data	+
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	+
SIPP	-	+
Turbo Boost Max 3.0	no data	+
Deep Learning Boost	-	+
Supported AI Software Frameworks	-	OpenVINO™, WindowsML, ONNX RT

Security technologies

Atom C3538 and Core Ultra 9 185H technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Atom C3538 and Core Ultra 9 185H are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Atom C3538 and Core Ultra 9 185H. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4: 2133	DDR5
Maximum memory size	256 GB	96 GB
Max memory channels	2	2
Maximum memory bandwidth	29.871 GB/s	no data
ECC memory support	+	-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	no data	Intel® Arc™ graphics
Quick Sync Video	-	+
Graphics max frequency	no data	2.35 GHz

Graphics interfaces

Available interfaces and connections of Atom C3538 and Core Ultra 9 185H integrated GPUs.

Number of displays supported

no data

4

Graphics image quality

Maximum display resolutions supported by Atom C3538 and Core Ultra 9 185H integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.4	no data	4096 x 2304 @ 60Hz (HDMI 2.1 TMDS) 7680 x 4320 @ 60Hz (HDMI2.1 FRL)
Max resolution over eDP	no data	3840x2400 @ 120Hz
Max resolution over DisplayPort	no data	7680 x 4320 @ 60Hz

Graphics API support

APIs supported by Atom C3538 and Core Ultra 9 185H integrated GPUs, sometimes API versions are included.

DirectX	no data	12.2
OpenGL	no data	4.6

Peripherals

Specifications and connection of peripherals supported by Atom C3538 and Core Ultra 9 185H.

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

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	1.23	19.20
Recency	15 August 2017	14 December 2023
Physical cores	4	16
Threads	4	22
Power consumption (TDP)	15 Watt	45 Watt

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Should you still have questions on choice between Atom C3538 and Core Ultra 9 185H, ask them in Comments section, and we shall answer.

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