EPYC 9655P vs Atom C3958

VS

Aggregate performance score

Atom C3958
2017
16 cores / 16 threads, 31 Watt
2.47
EPYC 9655P
2024
96 cores / 192 threads, 400 Watt
100.00
+3949%

EPYC 9655P outperforms Atom C3958 by a whopping 3949% based on our aggregate benchmark results.

Primary details

Comparing Atom C3958 and EPYC 9655P processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking17621
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation0.542.62
Market segmentServerServer
SeriesIntel Atomno data
Power efficiency7.5423.66
Architecture codenameGoldmont (2016−2017)Turin (2024)
Release date15 August 2017 (7 years ago)10 October 2024 (less than a year ago)
Launch price (MSRP)$449$10,811

Cost-effectiveness evaluation

Performance per price, higher is better.

EPYC 9655P has 385% better value for money than Atom C3958.

Detailed specifications

Atom C3958 and EPYC 9655P 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 cores16 (Hexadeca-Core)96
Threads16192
Base clock speed2 GHz2.6 GHz
Boost clock speed2 GHz4.5 GHz
Multiplier20no data
L1 cache896 KB80 KB (per core)
L2 cache16 MB1 MB (per core)
L3 cache16 MB384 MB (shared)
Chip lithography14 nm4 nm
Die sizeno data12x 70.6 mm2
Maximum core temperature83 °Cno data
Number of transistorsno data99,780 million
64 bit support++
Windows 11 compatibility-no data

Compatibility

Information on Atom C3958 and EPYC 9655P 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 configuration1 (Uniprocessor)1
SocketFCBGA1310SP5
Power consumption (TDP)31 Watt400 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Atom C3958 and EPYC 9655P. 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 2no data+

Security technologies

Atom C3958 and EPYC 9655P 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 9655P 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 9655P. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4: 2400DDR5
Maximum memory size256 GBno data
Max memory channels2no data
Maximum memory bandwidth38.397 GB/sno data
ECC memory support+-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataN/A

Peripherals

Specifications and connection of peripherals supported by Atom C3958 and EPYC 9655P.

PCIe version35.0
PCI Express lanes16128
USB revision3no data
Total number of SATA ports16no data
Max number of SATA 6 Gb/s Ports16no data
Number of USB ports8no data
Integrated LAN4x10/2.5/1 GBEno 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.


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.

Atom C3958 2.47
EPYC 9655P 100.00
+3949%

Passmark

Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.

Atom C3958 3929
EPYC 9655P 158845
+3943%

Gaming performance

Pros & cons summary


Performance score 2.47 100.00
Recency 15 August 2017 10 October 2024
Physical cores 16 96
Threads 16 192
Chip lithography 14 nm 4 nm
Power consumption (TDP) 31 Watt 400 Watt

Atom C3958 has 1190.3% lower power consumption.

EPYC 9655P, on the other hand, has a 3948.6% higher aggregate performance score, an age advantage of 7 years, 500% more physical cores and 1100% more threads, and a 250% more advanced lithography process.

The EPYC 9655P is our recommended choice as it beats the Atom C3958 in performance tests.


Should you still have questions on choice between Atom C3958 and EPYC 9655P, ask them in Comments section, and we shall answer.

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Intel Atom C3958
Atom C3958
AMD EPYC 9655P
EPYC 9655P

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Community ratings

Here you can see how users rate the processors, as well as rate them yourself.


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Questions & comments

Here you can ask a question about Atom C3958 or EPYC 9655P, agree or disagree with our judgements, or report an error or mismatch.