Xeon w9-3575X vs Atom C3858

Primary details

Comparing Atom C3858 and Xeon w9-3575X processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	1640	30
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	0.93	33.64
Market segment	Server	Server
Series	Intel Atom	no data
Power efficiency	11.22	14.41
Architecture codename	Goldmont (2016−2017)	Sapphire Rapids (2023−2024)
Release date	15 August 2017 (7 years ago)	24 August 2024 (less than a year ago)
Launch price (MSRP)	$332	$3,789

Cost-effectiveness evaluation

Performance per price, higher is better.

Xeon w9-3575X has 3517% better value for money than Atom C3858.

Detailed specifications

Atom C3858 and Xeon w9-3575X 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	12 (Dodeca-Core)	44
Threads	12	88
Base clock speed	2 GHz	2.2 GHz
Boost clock speed	2 GHz	4.8 GHz
Multiplier	20	no data
L1 cache	672 KB	80 KB (per core)
L2 cache	12 MB	2 MB (per core)
L3 cache	12 MB	97.5 MB
Chip lithography	14 nm	Intel 7 nm
Die size	no data	4x 477 mm2
Maximum core temperature	83 °C	no data
Maximum case temperature (TCase)	no data	79 °C
64 bit support	+	+
Windows 11 compatibility	-	no data
Unlocked multiplier	-	+

Compatibility

Information on Atom C3858 and Xeon w9-3575X 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	FCLGA4677
Power consumption (TDP)	25 Watt	340 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Atom C3858 and Xeon w9-3575X. You'll probably need this information if you require some particular technology.

Instruction set extensions	no data	Intel® SSE4.1, Intel® AMX, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512
AES-NI	+	+
AVX	-	+
vPro	no data	+
Enhanced SpeedStep (EIST)	+	+
QuickAssist	+	no data
Speed Shift	no data	+
Turbo Boost Technology	-	2.0
Hyper-Threading Technology	-	+
TSX	-	+
Turbo Boost Max 3.0	no data	+
Deep Learning Boost	-	+

Security technologies

Atom C3858 and Xeon w9-3575X technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Atom C3858 and Xeon w9-3575X are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Atom C3858 and Xeon w9-3575X. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4: 2400	DDR5-4800
Maximum memory size	256 GB	4 TB
Max memory channels	2	8
Maximum memory bandwidth	38.397 GB/s	no data
ECC memory support	+	+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

no data

N/A

Peripherals

Specifications and connection of peripherals supported by Atom C3858 and Xeon w9-3575X.

PCIe version	3	5.0
PCI Express lanes	16	112
USB revision	3	no data
Total number of SATA ports	16	no data
Max number of SATA 6 Gb/s Ports	16	no data
Number of USB ports	8	no data
Integrated LAN	4x10/2.5/1 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	3.02	52.74
Recency	15 August 2017	24 August 2024
Physical cores	12	44
Threads	12	88
Power consumption (TDP)	25 Watt	340 Watt

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Should you still have questions on choice between Atom C3858 and Xeon w9-3575X, ask them in Comments section, and we shall answer.

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