EPYC 9135 vs Atom C3958

Primary details

Comparing Atom C3958 and EPYC 9135 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	1762	96
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	0.53	29.26
Market segment	Server	Server
Series	Intel Atom	no data
Power efficiency	7.54	17.29
Architecture codename	Goldmont (2016−2017)	Turin (2024)
Release date	15 August 2017 (7 years ago)	10 October 2024 (less than a year ago)
Launch price (MSRP)	$449	$1,214

Cost-effectiveness evaluation

Performance per price, higher is better.

EPYC 9135 has 5421% better value for money than Atom C3958.

Detailed specifications

Atom C3958 and EPYC 9135 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	16 (Hexadeca-Core)	16 (Hexadeca-Core)
Threads	16	32
Base clock speed	2 GHz	3.65 GHz
Boost clock speed	2 GHz	4.3 GHz
Multiplier	20	no data
L1 cache	896 KB	80 KB (per core)
L2 cache	16 MB	1 MB (per core)
L3 cache	16 MB	64 MB (shared)
Chip lithography	14 nm	4 nm
Die size	no data	2x 70.6 mm2
Maximum core temperature	83 °C	no data
Number of transistors	no data	16,630 million
64 bit support	+	+
Windows 11 compatibility	-	no data

Compatibility

Information on Atom C3958 and EPYC 9135 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)	2
Socket	FCBGA1310	SP5
Power consumption (TDP)	31 Watt	200 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Atom C3958 and EPYC 9135. You'll probably need this information if you require some particular technology.

AES-NI	+	+
AVX	-	+
Enhanced SpeedStep (EIST)	+	no data
QuickAssist	+	no data
Turbo Boost Technology	-	no data
Hyper-Threading Technology	-	no data
Precision Boost 2	no data	+

Security technologies

Atom C3958 and EPYC 9135 technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Atom C3958 and EPYC 9135 are enumerated here.

AMD-V	-	+
VT-d	+	no data
VT-x	+	no data
EPT	+	no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Atom C3958 and EPYC 9135. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4: 2400	DDR5
Maximum memory size	256 GB	no data
Max memory channels	2	no data
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 C3958 and EPYC 9135.

PCIe version	3	5.0
PCI Express lanes	16	128
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	2.47	36.56
Recency	15 August 2017	10 October 2024
Threads	16	32
Chip lithography	14 nm	4 nm
Power consumption (TDP)	31 Watt	200 Watt

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Should you still have questions on choice between Atom C3958 and EPYC 9135, ask them in Comments section, and we shall answer.

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