Xeon Platinum 8558U vs Athlon 64 FX-55

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Primary details

Comparing Athlon 64 FX-55 and Xeon Platinum 8558U processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking3164not rated
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorServer
Power efficiency0.23no data
Architecture codenameClawhammer (2001−2005)Emerald Rapids (2023)
Release date10 October 2004 (20 years ago)14 December 2023 (1 year ago)
Launch price (MSRP)$180$3,720

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Athlon 64 FX-55 and Xeon Platinum 8558U 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)48 (Octatetraconta-Core)
Threads196
Base clock speed2.6 GHz2 GHz
Boost clock speed2.6 GHz4 GHz
L1 cache128 KB80 KB (per core)
L2 cache1 MB2 MB (per core)
L3 cache0 KB260 MB (shared)
Chip lithography130 nmIntel 7 nm
Die size193 mm22x 763 mm2
Maximum case temperature (TCase)63 °C78 °C
Number of transistors105 millionno data
64 bit support++
Windows 11 compatibility-no data
Unlocked multiplier+-

Compatibility

Information on Athlon 64 FX-55 and Xeon Platinum 8558U 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 configuration11
Socket939FCLGA4677
Power consumption (TDP)104 Watt300 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Athlon 64 FX-55 and Xeon Platinum 8558U. You'll probably need this information if you require some particular technology.

Instruction set extensionsno dataIntel® AMX, Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512
AES-NI-+
AVX-+
vProno data+
Enhanced SpeedStep (EIST)no data+
Speed Shiftno data+
Turbo Boost Technologyno data2.0
Hyper-Threading Technologyno data+
TSX-+
Deep Learning Boost-+

Security technologies

Athlon 64 FX-55 and Xeon Platinum 8558U technologies aimed at improving security, for example, by protecting against hacks.

TXTno data+
EDBno data+
SGXno dataYes with Intel® SPS
OS Guardno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Athlon 64 FX-55 and Xeon Platinum 8558U are enumerated here.

VT-dno data+
VT-xno data+
EPTno data+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Athlon 64 FX-55 and Xeon Platinum 8558U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR1 Depends on motherboardDDR5 @ 4800 MT/s (1 DPC)
Maximum memory sizeno data4 TB
Max memory channelsno data8
ECC memory support-+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardOn certain motherboards (Chipset feature)N/A

Peripherals

Specifications and connection of peripherals supported by Athlon 64 FX-55 and Xeon Platinum 8558U.

PCIe versionno data5.0
PCI Express lanesno data80

Pros & cons summary


Recency 10 October 2004 14 December 2023
Physical cores 1 48
Threads 1 96
Power consumption (TDP) 104 Watt 300 Watt

Athlon 64 FX-55 has 188.5% lower power consumption.

Xeon Platinum 8558U, on the other hand, has an age advantage of 19 years, and 4700% more physical cores and 9500% more threads.

We couldn't decide between Athlon 64 FX-55 and Xeon Platinum 8558U. We've got no test results to judge.

Note that Athlon 64 FX-55 is a desktop processor while Xeon Platinum 8558U is a server/workstation one.


Should you still have questions on choice between Athlon 64 FX-55 and Xeon Platinum 8558U, ask them in Comments section, and we shall answer.

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AMD Athlon 64 FX-55
Athlon 64 FX-55
Intel Xeon Platinum 8558U
Xeon Platinum 8558U

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