Xeon Gold 6542Y vs Ryzen 9 7900

Primary details

Comparing Ryzen 9 7900 and Xeon Gold 6542Y processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	115	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	66.54	no data
Market segment	Desktop processor	Server
Architecture codename	Raphael (Zen4)	Emerald Rapids
Release date	14 January 2023 (1 year ago)	1 October 2023 (less than a year ago)
Current price	$487	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Ryzen 9 7900 and Xeon Gold 6542Y 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	12 (Dodeca-Core)	24 (Tetracosa-Core)
Threads	24	48
Base clock speed	3.7 GHz	2.9 GHz
Boost clock speed	5.4 GHz	4.1 GHz
L1 cache	64K (per core)	80 KB (per core)
L2 cache	1 MB (per core)	2 MB (per core)
L3 cache	64 MB (shared)	60 MB (shared)
Chip lithography	5 nm	Intel 7 nm
Die size	2x 71 mm2	2x 763 mm2
Maximum core temperature	95 °C	83 °C
Maximum case temperature (TCase)	47 °C	83 °C
Number of transistors	13,140 million	no data
64 bit support	+	+
Windows 11 compatibility	+	no data
Unlocked multiplier	Yes	No

Compatibility

Information on Ryzen 9 7900 and Xeon Gold 6542Y 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	FCLGA4677
Power consumption (TDP)	65 Watt	250 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen 9 7900 and Xeon Gold 6542Y. You'll probably need this information if you require some particular technology.

Instruction set extensions	5 nm, 0.650 - 1.475V	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

Ryzen 9 7900 and Xeon Gold 6542Y 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 7900 and Xeon Gold 6542Y 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 Ryzen 9 7900 and Xeon Gold 6542Y. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR5-5200	DDR5-5200
Maximum memory size	no data	4 TB
Max memory channels	no data	8
ECC memory support	no data	+

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 7900 and Xeon Gold 6542Y.

PCIe version	5.0	5.0
PCI Express lanes	24	80

Pros & cons summary

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Recency	14 January 2023	1 October 2023
Physical cores	12	24
Threads	24	48
Power consumption (TDP)	65 Watt	250 Watt

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Should you still have questions on choice between Ryzen 9 7900 and Xeon Gold 6542Y, ask them in Comments section, and we shall answer.

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