Xeon Gold 6342 vs Atom C3858

Primary details

Comparing Atom C3858 and Xeon Gold 6342 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	1554	122
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	0.40	24.63
Market segment	Server	Server
Series	Intel Atom	no data
Architecture codename	Goldmont (2016−2017)	Ice Lake-SP (2021)
Release date	15 August 2017 (6 years ago)	6 April 2021 (3 years ago)
Launch price (MSRP)	$332	no data
Current price	$1249 (3.8x MSRP)	$2400

Cost-effectiveness evaluation

Performance per price, higher is better.

Xeon Gold 6342 has 6058% better value for money than Atom C3858.

Detailed specifications

Atom C3858 and Xeon Gold 6342 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)	24 (Tetracosa-Core)
Threads	12	48
Base clock speed	2 GHz	2.8 GHz
Boost clock speed	2 GHz	3.5 GHz
L1 cache	672 KB	64K (per core)
L2 cache	12 MB	1 MB (per core)
L3 cache	12 MB	36 MB (shared)
Chip lithography	14 nm	10 nm
Maximum core temperature	83 °C	81 °C
Maximum case temperature (TCase)	no data	81 °C
64 bit support	+	+
Windows 11 compatibility	-	+
Unlocked multiplier	No	No

Compatibility

Information on Atom C3858 and Xeon Gold 6342 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	2
Socket	FCBGA1310	FCLGA4189
Power consumption (TDP)	25 Watt	230 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Atom C3858 and Xeon Gold 6342. You'll probably need this information if you require some particular technology.

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

Security technologies

Atom C3858 and Xeon Gold 6342 technologies aimed at improving security, for example, by protecting against hacks.

TXT	no data	+
EDB	+	+
Secure Boot	+	no data
Secure Key	+	no data
SGX	-	Yes with Intel® SPS
OS Guard	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Atom C3858 and Xeon Gold 6342 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Atom C3858 and Xeon Gold 6342. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4: 2400	DDR4-3200
Maximum memory size	256 GB	6 TB
Max memory channels	2	8
Maximum memory bandwidth	38.397 GB/s	no data
ECC memory support	+	+

Peripherals

Specifications and connection of peripherals supported by Atom C3858 and Xeon Gold 6342.

PCIe version	3	4.0
PCI Express lanes	16	64
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.

Xeon Gold 6342 outperforms Atom C3858 by 906% based on our aggregate benchmark results.

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Pros & cons summary

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Performance score	3.04	30.59
Recency	15 August 2017	6 April 2021
Physical cores	12	24
Threads	12	48
Chip lithography	14 nm	10 nm
Power consumption (TDP)	25 Watt	230 Watt

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Should you still have questions on choice between Atom C3858 and Xeon Gold 6342, ask them in Comments section, and we shall answer.

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