EPYC 9755 vs Athlon X4 845

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Primary details

Comparing Athlon X4 845 and EPYC 9755 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking1784not rated
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorServer
Power efficiency3.46no data
Architecture codenameCarrizo (2015−2018)Turin (2024)
Release date2 February 2016 (8 years ago)10 October 2024 (less than a year ago)
Launch price (MSRP)no data$12,984

Detailed specifications

Athlon X4 845 and EPYC 9755 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 cores4 (Quad-Core)128
Threads4256
Base clock speed3.5 GHz2.7 GHz
Boost clock speed3.8 GHz4.1 GHz
L1 cache320K80 KB (per core)
L2 cache2 MB1 MB (per core)
L3 cacheno data512 MB (shared)
Chip lithography28 nm4 nm
Die size250 mm216x 70.6 mm2
Maximum case temperature (TCase)74 °Cno data
Number of transistors3,100 million133,040 million
64 bit support++
Unlocked multiplier+-

Compatibility

Information on Athlon X4 845 and EPYC 9755 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
SocketFM2+SP5
Power consumption (TDP)65 Watt500 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Athlon X4 845 and EPYC 9755. 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 Athlon X4 845 and EPYC 9755 are enumerated here.

AMD-V++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Athlon X4 845 and EPYC 9755. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3-2133DDR5

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataN/A

Peripherals

Specifications and connection of peripherals supported by Athlon X4 845 and EPYC 9755.

PCIe version3.05.0
PCI Express lanes8128

Pros & cons summary


Recency 2 February 2016 10 October 2024
Physical cores 4 128
Threads 4 256
Chip lithography 28 nm 4 nm
Power consumption (TDP) 65 Watt 500 Watt

Athlon X4 845 has 669.2% lower power consumption.

EPYC 9755, on the other hand, has an age advantage of 8 years, 3100% more physical cores and 6300% more threads, and a 600% more advanced lithography process.

We couldn't decide between Athlon X4 845 and EPYC 9755. We've got no test results to judge.

Note that Athlon X4 845 is a desktop processor while EPYC 9755 is a server/workstation one.


Should you still have questions on choice between Athlon X4 845 and EPYC 9755, ask them in Comments section, and we shall answer.

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AMD Athlon X4 845
Athlon X4 845
AMD EPYC 9755
EPYC 9755

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Community ratings

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


3.9 81 vote

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Questions & comments

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