Xeon Platinum 8558 vs i9-12900E

Primary details

Comparing Core i9-12900E and Xeon Platinum 8558 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	382	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Desktop processor	Server
Power efficiency	24.45	no data
Architecture codename	Alder Lake-S (2022)	Emerald Rapids (2023)
Release date	4 January 2022 (2 years ago)	14 December 2023 (less than a year ago)
Launch price (MSRP)	no data	$4,650

Detailed specifications

Core i9-12900E 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	24	96
Base clock speed	2.3 GHz	2.1 GHz
Boost clock speed	5 GHz	4 GHz
L1 cache	80K (per core)	80 KB (per core)
L2 cache	1.25 MB (per core)	2 MB (per core)
L3 cache	30 MB (shared)	260 MB (shared)
Chip lithography	10 nm	Intel 7 nm
Die size	215 mm2	2x 763 mm2
Maximum case temperature (TCase)	72 °C	78 °C
64 bit support	+	+
Windows 11 compatibility	+	no data
Unlocked multiplier	+	-

Compatibility

Information on Core i9-12900E 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	1700	FCLGA4677
Power consumption (TDP)	65 Watt	330 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i9-12900E and Xeon Platinum 8558. You'll probably need this information if you require some particular technology.

Instruction set extensions	no data	Intel® AMX, Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512
AES-NI	+	+
AVX	+	+
vPro	no data	+
Enhanced SpeedStep (EIST)	+	+
Speed Shift	no data	+
Turbo Boost Technology	no data	2.0
Hyper-Threading Technology	no data	+
TSX	+	+
Deep Learning Boost	-	+

Security technologies

Core i9-12900E and Xeon Platinum 8558 technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Core i9-12900E and Xeon Platinum 8558 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i9-12900E and Xeon Platinum 8558. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4, DDR5 Dual-channel	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

Intel UHD Graphics 770

N/A

Peripherals

Specifications and connection of peripherals supported by Core i9-12900E and Xeon Platinum 8558.

PCIe version	5.0	5.0
PCI Express lanes	20	80

Pros & cons summary

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Recency	4 January 2022	14 December 2023
Physical cores	16	48
Threads	24	96
Power consumption (TDP)	65 Watt	330 Watt

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Should you still have questions on choice between Core i9-12900E and Xeon Platinum 8558, ask them in Comments section, and we shall answer.

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