Xeon Platinum 8490H vs EPYC 9654

Primary details

Comparing EPYC 9654 and Xeon Platinum 8490H processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	4	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	10.12	no data
Market segment	Server	Server
Series	AMD EPYC	no data
Architecture codename	Genoa	Sapphire Rapids
Release date	10 November 2022 (1 year ago)	10 January 2023 (1 year ago)
Launch price (MSRP)	$11,805	no data
Current price	$4544 (0.4x MSRP)	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

EPYC 9654 and Xeon Platinum 8490H 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	96	60 (Hexaconta-Core)
Threads	192	120
Base clock speed	2.4 GHz	1.9 GHz
Boost clock speed	3.7 GHz	3.5 GHz
L1 cache	64K (per core)	80K (per core)
L2 cache	1 MB (per core)	2 MB (per core)
L3 cache	384 MB (shared)	112.5 MB
Chip lithography	5 nm, 6 nm	Intel 7 nm
Die size	12x 72 mm2	4x 477 mm2
Maximum core temperature	no data	79 °C
Maximum case temperature (TCase)	no data	79 °C
Number of transistors	78,840 million	no data
64 bit support	+	+
Windows 11 compatibility	no data	+
Unlocked multiplier	No	No

Compatibility

Information on EPYC 9654 and Xeon Platinum 8490H 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	2	8
Socket	SP5	FCLGA4677
Power consumption (TDP)	360 Watt	350 Watt

Technologies and extensions

Technological solutions and additional instructions supported by EPYC 9654 and Xeon Platinum 8490H. 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)	no data	+
Speed Shift	no data	+
Turbo Boost Technology	no data	2.0
Hyper-Threading Technology	no data	+
TSX	no data	+
Status	no data	Launched

Security technologies

EPYC 9654 and Xeon Platinum 8490H 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 EPYC 9654 and Xeon Platinum 8490H are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by EPYC 9654 and Xeon Platinum 8490H. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR5-4800	DDR5-4800, DDR5-4400
Maximum memory size	6 TiB	4 TB
Max memory channels	no data	8
Maximum memory bandwidth	460.8 GB/s	no data
ECC memory support	no data	+

Peripherals

Specifications and connection of peripherals supported by EPYC 9654 and Xeon Platinum 8490H.

PCIe version	5.0	5.0
PCI Express lanes	128	80

Pros & cons summary

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Recency	10 November 2022	10 January 2023
Physical cores	96	60
Threads	192	120
Power consumption (TDP)	360 Watt	350 Watt

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Should you still have questions on choice between EPYC 9654 and Xeon Platinum 8490H, ask them in Comments section, and we shall answer.

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