EPYC 9745 vs FX-8140

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Primary details

Comparing FX-8140 and EPYC 9745 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking1637not rated
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorServer
Power efficiency3.05no data
Architecture codenameZambezi (2011−2012)Turin (2024)
Release date23 October 2012 (12 years ago)10 October 2024 (less than a year ago)
Launch price (MSRP)no data$12,141

Detailed specifications

FX-8140 and EPYC 9745 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 cores8 (Octa-Core)128
Threads8256
Base clock speed3.2 GHz2.4 GHz
Boost clock speed4.1 GHz3.7 GHz
L1 cache384 KB80 KB (per core)
L2 cache8 MB1 MB (per core)
L3 cache8 MB (shared)256 MB (shared)
Chip lithography32 nm3 nm
Die size315 mm2no data
Number of transistors1,200 millionno data
64 bit support++
Windows 11 compatibility-no data
Unlocked multiplier+-

Compatibility

Information on FX-8140 and EPYC 9745 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 configuration12
SocketAM3+SP5
Power consumption (TDP)95 Watt400 Watt

Technologies and extensions

Technological solutions and additional instructions supported by FX-8140 and EPYC 9745. You'll probably need this information if you require some particular technology.

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

Virtualization technologies

Virtual machine speed-up technologies supported by FX-8140 and EPYC 9745 are enumerated here.

AMD-V++

Memory specs

Types, maximum amount and channel quantity of RAM supported by FX-8140 and EPYC 9745. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR5

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataN/A

Peripherals

Specifications and connection of peripherals supported by FX-8140 and EPYC 9745.

PCIe version2.05.0
PCI Express lanesno data128

Pros & cons summary


Recency 23 October 2012 10 October 2024
Physical cores 8 128
Threads 8 256
Chip lithography 32 nm 3 nm
Power consumption (TDP) 95 Watt 400 Watt

FX-8140 has 321.1% lower power consumption.

EPYC 9745, on the other hand, has an age advantage of 11 years, 1500% more physical cores and 3100% more threads, and a 966.7% more advanced lithography process.

We couldn't decide between FX-8140 and EPYC 9745. We've got no test results to judge.

Note that FX-8140 is a desktop processor while EPYC 9745 is a server/workstation one.


Should you still have questions on choice between FX-8140 and EPYC 9745, ask them in Comments section, and we shall answer.

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AMD FX-8140
FX-8140
AMD EPYC 9745
EPYC 9745

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Community ratings

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