Atom C3958 vs Xeon Gold 6126

Primary details

Comparing Xeon Gold 6126 and Atom C3958 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	619	1633
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	19.67	0.54
Market segment	Server	Server
Series	Intel Xeon Gold	Intel Atom
Architecture codename	Skylake (server) (2017−2019)	Goldmont (2016−2017)
Release date	25 April 2017 (7 years ago)	15 August 2017 (6 years ago)
Launch price (MSRP)	$1,776	$449

Cost-effectiveness evaluation

Performance per price, higher is better.

Xeon Gold 6126 has 3543% better value for money than Atom C3958.

Detailed specifications

Xeon Gold 6126 and Atom C3958 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)	16 (Hexadeca-Core)
Threads	24	16
Boost clock speed	2.6 GHz	2 GHz
Bus support	4 × 8 GT/s	no data
L1 cache	768 KB	896 KB
L2 cache	12 MB	16 MB
L3 cache	19.25 MB	no data
Chip lithography	14 nm	14 nm
Maximum core temperature	86 °C	83 °C
64 bit support	+	+
Windows 11 compatibility	+	-
Unlocked multiplier	No	No

Compatibility

Information on Xeon Gold 6126 and Atom C3958 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	4 (Multiprocessor)	1 (Uniprocessor)
Socket	Socket P	no data
Power consumption (TDP)	125 Watt	31 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon Gold 6126 and Atom C3958. You'll probably need this information if you require some particular technology.

AES-NI	+	+
AVX	+	no data
vPro	+	no data
Enhanced SpeedStep (EIST)	+	+
TSX	+	no data

Security technologies

Xeon Gold 6126 and Atom C3958 technologies aimed at improving security, for example, by protecting against hacks.

TXT

+

no data

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon Gold 6126 and Atom C3958 are enumerated here.

VT-d	+	+
VT-x	+	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon Gold 6126 and Atom C3958. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-2666	DDR3L-1600
Maximum memory size	768 GB	256 GB
Max memory channels	6	2
Maximum memory bandwidth	128.001 GB/s	38.397 GB/s
ECC memory support	+	+

Peripherals

Specifications and connection of peripherals supported by Xeon Gold 6126 and Atom C3958.

PCIe version	3.0	no data
PCI Express lanes	48	16

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 6126 outperforms Atom C3958 by 330% based on our aggregate benchmark results.

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Pros & cons summary

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Performance score	11.92	2.77
Recency	25 April 2017	15 August 2017
Physical cores	12	16
Threads	24	16
Power consumption (TDP)	125 Watt	31 Watt

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Should you still have questions on choice between Xeon Gold 6126 and Atom C3958, ask them in Comments section, and we shall answer.

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