Xeon Platinum 8558U vs Phenom II X4 805

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Primary details

Comparing Phenom II X4 805 and Xeon Platinum 8558U processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking2320not rated
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation0.10no data
Market segmentDesktop processorServer
Power efficiency1.22no data
Architecture codenameDeneb (2009−2011)Emerald Rapids (2023)
Release date9 February 2009 (15 years ago)14 December 2023 (1 year ago)
Launch price (MSRP)$174$3,720

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Phenom II X4 805 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 cores4 (Quad-Core)48 (Octatetraconta-Core)
Threads496
Base clock speed2.5 GHz2 GHz
Boost clock speed2.5 GHz4 GHz
L1 cache128 KB (per core)80 KB (per core)
L2 cache512 KB (per core)2 MB (per core)
L3 cache4 MB (shared)260 MB (shared)
Chip lithography45 nmIntel 7 nm
Die size258 mm22x 763 mm2
Maximum case temperature (TCase)no data78 °C
Number of transistors758 millionno data
64 bit support++
Windows 11 compatibility-no data

Compatibility

Information on Phenom II X4 805 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
SocketAM3FCLGA4677
Power consumption (TDP)95 Watt300 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Phenom II X4 805 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

Phenom II X4 805 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 Phenom II X4 805 and Xeon Platinum 8558U are enumerated here.

AMD-V+-
VT-dno data+
VT-xno data+
EPTno data+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Phenom II X4 805 and Xeon Platinum 8558U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR5 @ 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 Phenom II X4 805 and Xeon Platinum 8558U.

PCIe version2.05.0
PCI Express lanesno data80

Pros & cons summary


Recency 9 February 2009 14 December 2023
Physical cores 4 48
Threads 4 96
Power consumption (TDP) 95 Watt 300 Watt

Phenom II X4 805 has 215.8% lower power consumption.

Xeon Platinum 8558U, on the other hand, has an age advantage of 14 years, and 1100% more physical cores and 2300% more threads.

We couldn't decide between Phenom II X4 805 and Xeon Platinum 8558U. We've got no test results to judge.

Note that Phenom II X4 805 is a desktop processor while Xeon Platinum 8558U is a server/workstation one.


Should you still have questions on choice between Phenom II X4 805 and Xeon Platinum 8558U, ask them in Comments section, and we shall answer.

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AMD Phenom II X4 805
Phenom II X4 805
Intel Xeon Platinum 8558U
Xeon Platinum 8558U

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