EPYC 9655 vs i486SX2-66

VS

Primary details

Comparing i486SX2-66 and EPYC 9655 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the rankingnot ratednot rated
Place by popularitynot in top-100not in top-100
Market segmentLaptopServer
SeriesIntel 80486no data
Architecture codename80486 (1989)Turin (2024)
Release dateno data (2024 years ago)10 October 2024 (less than a year ago)
Launch price (MSRP)no data$11,852

Detailed specifications

i486SX2-66 and EPYC 9655 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 cores1 (Single-Core)96
Threadsno data192
Base clock speedno data2.6 GHz
Boost clock speed0.07 GHz4.5 GHz
Bus typeFSBno data
Bus rate33 MT/sno data
Multiplier2no data
L1 cache8 KB80 KB (per core)
L2 cacheno data1 MB (per core)
L3 cacheno data384 MB (shared)
Chip lithography800 nm4 nm
Die sizeno data12x 70.6 mm2
Number of transistors1 Million99,780 million
64 bit support-+

Compatibility

Information on i486SX2-66 and EPYC 9655 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 configurationno data2
Socketno dataSP5
Power consumption (TDP)no data400 Watt

Technologies and extensions

Technological solutions and additional instructions supported by i486SX2-66 and EPYC 9655. You'll probably need this information if you require some particular technology.

AES-NI-+
AVX-+
Precision Boost 2no data+

Virtualization technologies

Virtual machine speed-up technologies supported by i486SX2-66 and EPYC 9655 are enumerated here.

AMD-V-+

Memory specs

Types, maximum amount and channel quantity of RAM supported by i486SX2-66 and EPYC 9655. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesno dataDDR5
Maximum memory size4 GBno data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataN/A

Peripherals

Specifications and connection of peripherals supported by i486SX2-66 and EPYC 9655.

PCIe versionno data5.0
PCI Express lanesno data128

Pros & cons summary


Physical cores 1 96
Chip lithography 800 nm 4 nm

EPYC 9655 has 9500% more physical cores, and a 19900% more advanced lithography process.

We couldn't decide between i486SX2-66 and EPYC 9655. We've got no test results to judge.

Be aware that i486SX2-66 is a notebook processor while EPYC 9655 is a server/workstation one.


Should you still have questions on choice between i486SX2-66 and EPYC 9655, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite CPU.


Intel i486SX2-66
i486SX2-66
AMD EPYC 9655
EPYC 9655

Similar processor comparisons

We picked several similar comparisons of processors in the same market segment and performance relatively close to those reviewed on this page.

Community ratings

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


No user ratings yet.

Rate i486SX2-66 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

No user ratings yet.

Rate EPYC 9655 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about i486SX2-66 or EPYC 9655, agree or disagree with our judgements, or report an error or mismatch.