Xeon Platinum 8558 vs Ryzen 9 7950X

Primary details

Comparing Ryzen 9 7950X and Xeon Platinum 8558 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	64	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Desktop processor	Server
Architecture codename	Raphael (Zen 4) (2022)	Emerald Rapids (2023)
Release date	26 September 2022 (1 year ago)	14 December 2023 (less than a year ago)

Detailed specifications

Ryzen 9 7950X and Xeon Platinum 8558 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 cores	16 (Hexadeca-Core)	48 (Octatetraconta-Core)
Threads	32	96
Base clock speed	4.5 GHz	2.1 GHz
Boost clock speed	5.7 GHz	4 GHz
L1 cache	1 MB	80 KB (per core)
L2 cache	16 MB	2 MB (per core)
L3 cache	64 MB	260 MB (shared)
Chip lithography	0 nm	Intel 7 nm
Die size	CCD = 2x 70 sq. mm, I/O = 122 mm2	2x 763 mm2
Maximum core temperature	95 °C	no data
Maximum case temperature (TCase)	47 °C	78 °C
Number of transistors	13140 Million	no data
64 bit support	+	+
Windows 11 compatibility	+	no data
Unlocked multiplier	+	-

Compatibility

Information on Ryzen 9 7950X and Xeon Platinum 8558 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 configuration	1	2
Socket	AM5 (LGA1718)	FCLGA4677
Power consumption (TDP)	170 Watt	330 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen 9 7950X and Xeon Platinum 8558. You'll probably need this information if you require some particular technology.

Instruction set extensions	CCD = 5 nm, I/O = 6 nm, 0.650 - 1.475 V	Intel® AMX, Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512
AES-NI	+	+
AVX	+	+
vPro	no data	+
Enhanced SpeedStep (EIST)	no data	+
Speed Shift	no data	+
Turbo Boost Technology	no data	2.0
Hyper-Threading Technology	no data	+
TSX	-	+
Status	no data	Launched
Precision Boost 2	+	no data
Deep Learning Boost	-	+

Security technologies

Ryzen 9 7950X and Xeon Platinum 8558 technologies aimed at improving security, for example, by protecting against hacks.

TXT	no data	+
EDB	no data	+
SGX	no data	Yes with Intel® SPS
OS Guard	no data	+

Virtualization technologies

Virtual machine speed-up technologies supported by Ryzen 9 7950X and Xeon Platinum 8558 are enumerated here.

AMD-V	+	-
VT-d	no data	+
VT-x	no data	+
EPT	no data	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Ryzen 9 7950X and Xeon Platinum 8558. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR5-5200	DDR5 @ 5200 MT/s (1 DPC)
Maximum memory size	no data	4 TB
Max memory channels	no data	8
ECC memory support	-	+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

AMD Radeon Graphics (Ryzen 7000)

N/A

Peripherals

Specifications and connection of peripherals supported by Ryzen 9 7950X and Xeon Platinum 8558.

PCIe version	5.0	5.0
PCI Express lanes	24	80

Pros & cons summary

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Recency	26 September 2022	14 December 2023
Physical cores	16	48
Threads	32	96
Power consumption (TDP)	170 Watt	330 Watt

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Should you still have questions on choice between Ryzen 9 7950X and Xeon Platinum 8558, ask them in Comments section, and we shall answer.

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